High-pT π0 production with respect to the reaction plane in Au+Au collisions at sNN=200 GeV

S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, J. Alexander, A. Al-Jamel, K. Aoki, L. Aphecetche, R. Armendariz, S. H. Aronson, R. Averbeck, T. C. Awes, B. Azmoun, V. Babintsev, A. Baldisseri, K. N. Barish, P. D. Barnes, B. Bassalleck, S. Bathe, S. Batsouli & 324 others V. Baublis, F. Bauer, A. Bazilevsky, S. Belikov, R. Bennett, Y. Berdnikov, M. T. Bjorndal, J. G. Boissevain, H. Borel, K. Boyle, M. L. Brooks, D. S. Brown, D. Bucher, H. Buesching, V. Bumazhnov, G. Bunce, J. M. Burward-Hoy, S. Butsyk, S. Campbell, J. S. Chai, S. Chernichenko, J. Chiba, C. Y. Chi, M. Chiu, I. J. Choi, T. Chujo, V. Cianciolo, C. R. Cleven, Y. Cobigo, B. A. Cole, M. P. Comets, P. Constantin, M. Csanád, T. Csörgo, T. Dahms, K. Das, G. David, H. Delagrange, A. Denisov, D. D'Enterria, A. Deshpande, E. J. Desmond, O. Dietzsch, A. Dion, J. L. Drachenberg, O. Drapier, A. Drees, A. K. Dubey, A. Durum, V. Dzhordzhadze, Y. V. Efremenko, J. Egdemir, A. Enokizono, H. En'Yo, B. Espagnon, S. Esumi, D. E. Fields, F. Fleuret, S. L. Fokin, B. Forestier, Z. Fraenkel, J. E. Frantz, A. Franz, A. D. Frawley, Y. Fukao, S. Y. Fung, S. Gadrat, F. Gastineau, M. Germain, A. Glenn, M. Gonin, J. Gosset, Y. Goto, R. Granier De Cassagnac, N. Grau, S. V. Greene, M. Grosse Perdekamp, T. Gunji, H. Å Gustafsson, T. Hachiya, A. Hadj Henni, J. S. Haggerty, M. N. Hagiwara, H. Hamagaki, H. Harada, E. P. Hartouni, K. Haruna, M. Harvey, E. Haslum, K. Hasuko, R. Hayano, M. Heffner, T. K. Hemmick, J. M. Heuser, X. He, H. Hiejima, J. C. Hill, R. Hobbs, M. Holmes, W. Holzmann, K. Homma, Byungsik Hong, T. Horaguchi, M. G. Hur, T. Ichihara, K. Imai, M. Inaba, D. Isenhower, L. Isenhower, M. Ishihara, T. Isobe, M. Issah, A. Isupov, B. V. Jacak, J. Jia, J. Jin, O. Jinnouchi, B. M. Johnson, K. S. Joo, D. Jouan, F. Kajihara, S. Kametani, N. Kamihara, M. Kaneta, J. H. Kang, T. Kawagishi, A. V. Kazantsev, S. Kelly, A. Khanzadeev, D. J. Kim, E. Kim, Y. S. Kim, E. Kinney, Á Kiss, E. Kistenev, A. Kiyomichi, C. Klein-Boesing, L. Kochenda, V. Kochetkov, B. Komkov, M. Konno, D. Kotchetkov, A. Kozlov, P. J. Kroon, G. J. Kunde, N. Kurihara, K. Kurita, M. J. Kweon, Y. Kwon, G. S. Kyle, R. Lacey, J. G. Lajoie, A. Lebedev, Y. Le Bornec, S. Leckey, D. M. Lee, M. K. Lee, M. J. Leitch, M. A L Leite, H. Lim, A. Litvinenko, M. X. Liu, X. H. Li, C. F. Maguire, Y. I. Makdisi, A. Malakhov, M. D. Malik, V. I. Manko, H. Masui, F. Matathias, M. C. McCain, P. L. McGaughey, Y. Miake, T. E. Miller, A. Milov, S. Mioduszewski, G. C. Mishra, J. T. Mitchell, D. P. Morrison, J. M. Moss, T. V. Moukhanova, D. Mukhopadhyay, J. Murata, S. Nagamiya, Y. Nagata, J. L. Nagle, M. Naglis, T. Nakamura, J. Newby, M. Nguyen, B. E. Norman, A. S. Nyanin, J. Nystrand, E. O'Brien, C. A. Ogilvie, H. Ohnishi, I. D. Ojha, H. Okada, K. Okada, O. O. Omiwade, A. Oskarsson, I. Otterlund, K. Ozawa, D. Pal, A. P T Palounek, V. Pantuev, V. Papavassiliou, J. Park, W. J. Park, S. F. Pate, H. Pei, J. C. Peng, H. Pereira, V. Peresedov, D. Yu Peressounko, C. Pinkenburg, R. P. Pisani, M. L. Purschke, A. K. Purwar, H. Qu, J. Rak, I. Ravinovich, K. F. Read, M. Reuter, K. Reygers, V. Riabov, Y. Riabov, G. Roche, A. Romana, M. Rosati, S. S E Rosendahl, P. Rosnet, P. Rukoyatkin, V. L. Rykov, S. S. Ryu, B. Sahlmueller, N. Saito, T. Sakaguchi, S. Sakai, V. Samsonov, H. D. Sato, S. Sato, S. Sawada, V. Semenov, R. Seto, D. Sharma, T. K. Shea, I. Shein, T. A. Shibata, K. Shigaki, M. Shimomura, T. Shohjoh, K. Shoji, A. Sickles, C. L. Silva, D. Silvermyr, K. S. Sim, C. P. Singh, V. Singh, S. Skutnik, W. C. Smith, A. Soldatov, R. A. Soltz, W. E. Sondheim, S. P. Sorensen, I. V. Sourikova, F. Staley, P. W. Stankus, E. Stenlund, M. Stepanov, A. Ster, S. P. Stoll, T. Sugitate, C. Suire, J. P. Sullivan, J. Sziklai, T. Tabaru, S. Takagi, E. M. Takagui, A. Taketani, K. H. Tanaka, Y. Tanaka, K. Tanida, M. J. Tannenbaum, A. Taranenko, P. Tarján, T. L. Thomas, M. Togawa, J. Tojo, H. Torii, R. S. Towell, V. N. Tram, I. Tserruya, Y. Tsuchimoto, S. K. Tuli, H. Tydesjö, N. Tyurin, C. Vale, H. Valle, H. W. Van Hecke, J. Velkovska, R. Vértesi, A. A. Vinogradov, E. Vznuzdaev, M. Wagner, X. R. Wang, Y. Watanabe, J. Wessels, S. N. White, N. Willis, D. Winter, C. L. Woody, M. Wysocki, W. Xie, A. Yanovich, S. Yokkaichi, G. R. Young, I. Younus, I. E. Yushmanov, W. A. Zajc, O. Zaudtke, C. Zhang, J. Zimányi, L. Zolin

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Measurements of the azimuthal anisotropy of high-pT neutral pion (π0) production in Au+Au collisions at sNN=200 GeV by the PHENIX experiment are presented. The data included in this article were collected during the 2004 Relativistic Heavy Ion Collider running period and represent approximately an order of magnitude increase in the number of analyzed events relative to previously published results. Azimuthal angle distributions of π0 mesons detected in the PHENIX electromagnetic calorimeters are measured relative to the reaction plane determined event-by-event using the forward and backward beam-beam counters. Amplitudes of the second Fourier component (v2) of the angular distributions are presented as a function of π0 transverse momentum (pT) for different bins in collision centrality. Measured reaction plane dependent π0 yields are used to determine the azimuthal dependence of the π0 suppression as a function of pT, RAA(Δ,pT). A jet-quenching motivated geometric analysis is presented that attempts to simultaneously describe the centrality dependence and reaction plane angle dependence of the π0 suppression in terms of the path lengths of hypothetical parent partons in the medium. This set of results allows for a detailed examination of the influence of geometry in the collision region and of the interplay between collective flow and jet-quenching effects along the azimuthal axis.

Original languageEnglish
Article number054907
JournalPhysical Review C - Nuclear Physics
Volume80
Issue number5
DOIs
Publication statusPublished - 2009 Nov 13

Fingerprint

collisions
quenching
retarding
transverse momentum
partons
calorimeters
heavy ions
counters
pions
angular distribution
mesons
examination
electromagnetism
anisotropy
geometry

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Afanasiev, S., Aidala, C., Ajitanand, N. N., Akiba, Y., Alexander, J., Al-Jamel, A., ... Zolin, L. (2009). High-pT π0 production with respect to the reaction plane in Au+Au collisions at sNN=200 GeV. Physical Review C - Nuclear Physics, 80(5), [054907]. https://doi.org/10.1103/PhysRevC.80.054907

High-pT π0 production with respect to the reaction plane in Au+Au collisions at sNN=200 GeV. / Afanasiev, S.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Alexander, J.; Al-Jamel, A.; Aoki, K.; Aphecetche, L.; Armendariz, R.; Aronson, S. H.; Averbeck, R.; Awes, T. C.; Azmoun, B.; Babintsev, V.; Baldisseri, A.; Barish, K. N.; Barnes, P. D.; Bassalleck, B.; Bathe, S.; Batsouli, S.; Baublis, V.; Bauer, F.; Bazilevsky, A.; Belikov, S.; Bennett, R.; Berdnikov, Y.; Bjorndal, M. T.; Boissevain, J. G.; Borel, H.; Boyle, K.; Brooks, M. L.; Brown, D. S.; Bucher, D.; Buesching, H.; Bumazhnov, V.; Bunce, G.; Burward-Hoy, J. M.; Butsyk, S.; Campbell, S.; Chai, J. S.; Chernichenko, S.; Chiba, J.; Chi, C. Y.; Chiu, M.; Choi, I. J.; Chujo, T.; Cianciolo, V.; Cleven, C. R.; Cobigo, Y.; Cole, B. A.; Comets, M. P.; Constantin, P.; Csanád, M.; Csörgo, T.; Dahms, T.; Das, K.; David, G.; Delagrange, H.; Denisov, A.; D'Enterria, D.; Deshpande, A.; Desmond, E. J.; Dietzsch, O.; Dion, A.; Drachenberg, J. L.; Drapier, O.; Drees, A.; Dubey, A. K.; Durum, A.; Dzhordzhadze, V.; Efremenko, Y. V.; Egdemir, J.; Enokizono, A.; En'Yo, H.; Espagnon, B.; Esumi, S.; Fields, D. E.; Fleuret, F.; Fokin, S. L.; Forestier, B.; Fraenkel, Z.; Frantz, J. E.; Franz, A.; Frawley, A. D.; Fukao, Y.; Fung, S. Y.; Gadrat, S.; Gastineau, F.; Germain, M.; Glenn, A.; Gonin, M.; Gosset, J.; Goto, Y.; De Cassagnac, R. Granier; Grau, N.; Greene, S. V.; Perdekamp, M. Grosse; Gunji, T.; Gustafsson, H. Å; Hachiya, T.; Henni, A. Hadj; Haggerty, J. S.; Hagiwara, M. N.; Hamagaki, H.; Harada, H.; Hartouni, E. P.; Haruna, K.; Harvey, M.; Haslum, E.; Hasuko, K.; Hayano, R.; Heffner, M.; Hemmick, T. K.; Heuser, J. M.; He, X.; Hiejima, H.; Hill, J. C.; Hobbs, R.; Holmes, M.; Holzmann, W.; Homma, K.; Hong, Byungsik; Horaguchi, T.; Hur, M. G.; Ichihara, T.; Imai, K.; Inaba, M.; Isenhower, D.; Isenhower, L.; Ishihara, M.; Isobe, T.; Issah, M.; Isupov, A.; Jacak, B. V.; Jia, J.; Jin, J.; Jinnouchi, O.; Johnson, B. M.; Joo, K. S.; Jouan, D.; Kajihara, F.; Kametani, S.; Kamihara, N.; Kaneta, M.; Kang, J. H.; Kawagishi, T.; Kazantsev, A. V.; Kelly, S.; Khanzadeev, A.; Kim, D. J.; Kim, E.; Kim, Y. S.; Kinney, E.; Kiss, Á; Kistenev, E.; Kiyomichi, A.; Klein-Boesing, C.; Kochenda, L.; Kochetkov, V.; Komkov, B.; Konno, M.; Kotchetkov, D.; Kozlov, A.; Kroon, P. J.; Kunde, G. J.; Kurihara, N.; Kurita, K.; Kweon, M. J.; Kwon, Y.; Kyle, G. S.; Lacey, R.; Lajoie, J. G.; Lebedev, A.; Bornec, Y. Le; Leckey, S.; Lee, D. M.; Lee, M. K.; Leitch, M. J.; Leite, M. A L; Lim, H.; Litvinenko, A.; Liu, M. X.; Li, X. H.; Maguire, C. F.; Makdisi, Y. I.; Malakhov, A.; Malik, M. D.; Manko, V. I.; Masui, H.; Matathias, F.; McCain, M. C.; McGaughey, P. L.; Miake, Y.; Miller, T. E.; Milov, A.; Mioduszewski, S.; Mishra, G. C.; Mitchell, J. T.; Morrison, D. P.; Moss, J. M.; Moukhanova, T. V.; Mukhopadhyay, D.; Murata, J.; Nagamiya, S.; Nagata, Y.; Nagle, J. L.; Naglis, M.; Nakamura, T.; Newby, J.; Nguyen, M.; Norman, B. E.; Nyanin, A. S.; Nystrand, J.; O'Brien, E.; Ogilvie, C. A.; Ohnishi, H.; Ojha, I. D.; Okada, H.; Okada, K.; Omiwade, O. O.; Oskarsson, A.; Otterlund, I.; Ozawa, K.; Pal, D.; Palounek, A. P T; Pantuev, V.; Papavassiliou, V.; Park, J.; Park, W. J.; Pate, S. F.; Pei, H.; Peng, J. C.; Pereira, H.; Peresedov, V.; Peressounko, D. Yu; Pinkenburg, C.; Pisani, R. P.; Purschke, M. L.; Purwar, A. K.; Qu, H.; Rak, J.; Ravinovich, I.; Read, K. F.; Reuter, M.; Reygers, K.; Riabov, V.; Riabov, Y.; Roche, G.; Romana, A.; Rosati, M.; Rosendahl, S. S E; Rosnet, P.; Rukoyatkin, P.; Rykov, V. L.; Ryu, S. S.; Sahlmueller, B.; Saito, N.; Sakaguchi, T.; Sakai, S.; Samsonov, V.; Sato, H. D.; Sato, S.; Sawada, S.; Semenov, V.; Seto, R.; Sharma, D.; Shea, T. K.; Shein, I.; Shibata, T. A.; Shigaki, K.; Shimomura, M.; Shohjoh, T.; Shoji, K.; Sickles, A.; Silva, C. L.; Silvermyr, D.; Sim, K. S.; Singh, C. P.; Singh, V.; Skutnik, S.; Smith, W. C.; Soldatov, A.; Soltz, R. A.; Sondheim, W. E.; Sorensen, S. P.; Sourikova, I. V.; Staley, F.; Stankus, P. W.; Stenlund, E.; Stepanov, M.; Ster, A.; Stoll, S. P.; Sugitate, T.; Suire, C.; Sullivan, J. P.; Sziklai, J.; Tabaru, T.; Takagi, S.; Takagui, E. M.; Taketani, A.; Tanaka, K. H.; Tanaka, Y.; Tanida, K.; Tannenbaum, M. J.; Taranenko, A.; Tarján, P.; Thomas, T. L.; Togawa, M.; Tojo, J.; Torii, H.; Towell, R. S.; Tram, V. N.; Tserruya, I.; Tsuchimoto, Y.; Tuli, S. K.; Tydesjö, H.; Tyurin, N.; Vale, C.; Valle, H.; Van Hecke, H. W.; Velkovska, J.; Vértesi, R.; Vinogradov, A. A.; Vznuzdaev, E.; Wagner, M.; Wang, X. R.; Watanabe, Y.; Wessels, J.; White, S. N.; Willis, N.; Winter, D.; Woody, C. L.; Wysocki, M.; Xie, W.; Yanovich, A.; Yokkaichi, S.; Young, G. R.; Younus, I.; Yushmanov, I. E.; Zajc, W. A.; Zaudtke, O.; Zhang, C.; Zimányi, J.; Zolin, L.

In: Physical Review C - Nuclear Physics, Vol. 80, No. 5, 054907, 13.11.2009.

Research output: Contribution to journalArticle

Afanasiev, S, Aidala, C, Ajitanand, NN, Akiba, Y, Alexander, J, Al-Jamel, A, Aoki, K, Aphecetche, L, Armendariz, R, Aronson, SH, Averbeck, R, Awes, TC, Azmoun, B, Babintsev, V, Baldisseri, A, Barish, KN, Barnes, PD, Bassalleck, B, Bathe, S, Batsouli, S, Baublis, V, Bauer, F, Bazilevsky, A, Belikov, S, Bennett, R, Berdnikov, Y, Bjorndal, MT, Boissevain, JG, Borel, H, Boyle, K, Brooks, ML, Brown, DS, Bucher, D, Buesching, H, Bumazhnov, V, Bunce, G, Burward-Hoy, JM, Butsyk, S, Campbell, S, Chai, JS, Chernichenko, S, Chiba, J, Chi, CY, Chiu, M, Choi, IJ, Chujo, T, Cianciolo, V, Cleven, CR, Cobigo, Y, Cole, BA, Comets, MP, Constantin, P, Csanád, M, Csörgo, T, Dahms, T, Das, K, David, G, Delagrange, H, Denisov, A, D'Enterria, D, Deshpande, A, Desmond, EJ, Dietzsch, O, Dion, A, Drachenberg, JL, Drapier, O, Drees, A, Dubey, AK, Durum, A, Dzhordzhadze, V, Efremenko, YV, Egdemir, J, Enokizono, A, En'Yo, H, Espagnon, B, Esumi, S, Fields, DE, Fleuret, F, Fokin, SL, Forestier, B, Fraenkel, Z, Frantz, JE, Franz, A, Frawley, AD, Fukao, Y, Fung, SY, Gadrat, S, Gastineau, F, Germain, M, Glenn, A, Gonin, M, Gosset, J, Goto, Y, De Cassagnac, RG, Grau, N, Greene, SV, Perdekamp, MG, Gunji, T, Gustafsson, HÅ, Hachiya, T, Henni, AH, Haggerty, JS, Hagiwara, MN, Hamagaki, H, Harada, H, Hartouni, EP, Haruna, K, Harvey, M, Haslum, E, Hasuko, K, Hayano, R, Heffner, M, Hemmick, TK, Heuser, JM, He, X, Hiejima, H, Hill, JC, Hobbs, R, Holmes, M, Holzmann, W, Homma, K, Hong, B, Horaguchi, T, Hur, MG, Ichihara, T, Imai, K, Inaba, M, Isenhower, D, Isenhower, L, Ishihara, M, Isobe, T, Issah, M, Isupov, A, Jacak, BV, Jia, J, Jin, J, Jinnouchi, O, Johnson, BM, Joo, KS, Jouan, D, Kajihara, F, Kametani, S, Kamihara, N, Kaneta, M, Kang, JH, Kawagishi, T, Kazantsev, AV, Kelly, S, Khanzadeev, A, Kim, DJ, Kim, E, Kim, YS, Kinney, E, Kiss, Á, Kistenev, E, Kiyomichi, A, Klein-Boesing, C, Kochenda, L, Kochetkov, V, Komkov, B, Konno, M, Kotchetkov, D, Kozlov, A, Kroon, PJ, Kunde, GJ, Kurihara, N, Kurita, K, Kweon, MJ, Kwon, Y, Kyle, GS, Lacey, R, Lajoie, JG, Lebedev, A, Bornec, YL, Leckey, S, Lee, DM, Lee, MK, Leitch, MJ, Leite, MAL, Lim, H, Litvinenko, A, Liu, MX, Li, XH, Maguire, CF, Makdisi, YI, Malakhov, A, Malik, MD, Manko, VI, Masui, H, Matathias, F, McCain, MC, McGaughey, PL, Miake, Y, Miller, TE, Milov, A, Mioduszewski, S, Mishra, GC, Mitchell, JT, Morrison, DP, Moss, JM, Moukhanova, TV, Mukhopadhyay, D, Murata, J, Nagamiya, S, Nagata, Y, Nagle, JL, Naglis, M, Nakamura, T, Newby, J, Nguyen, M, Norman, BE, Nyanin, AS, Nystrand, J, O'Brien, E, Ogilvie, CA, Ohnishi, H, Ojha, ID, Okada, H, Okada, K, Omiwade, OO, Oskarsson, A, Otterlund, I, Ozawa, K, Pal, D, Palounek, APT, Pantuev, V, Papavassiliou, V, Park, J, Park, WJ, Pate, SF, Pei, H, Peng, JC, Pereira, H, Peresedov, V, Peressounko, DY, Pinkenburg, C, Pisani, RP, Purschke, ML, Purwar, AK, Qu, H, Rak, J, Ravinovich, I, Read, KF, Reuter, M, Reygers, K, Riabov, V, Riabov, Y, Roche, G, Romana, A, Rosati, M, Rosendahl, SSE, Rosnet, P, Rukoyatkin, P, Rykov, VL, Ryu, SS, Sahlmueller, B, Saito, N, Sakaguchi, T, Sakai, S, Samsonov, V, Sato, HD, Sato, S, Sawada, S, Semenov, V, Seto, R, Sharma, D, Shea, TK, Shein, I, Shibata, TA, Shigaki, K, Shimomura, M, Shohjoh, T, Shoji, K, Sickles, A, Silva, CL, Silvermyr, D, Sim, KS, Singh, CP, Singh, V, Skutnik, S, Smith, WC, Soldatov, A, Soltz, RA, Sondheim, WE, Sorensen, SP, Sourikova, IV, Staley, F, Stankus, PW, Stenlund, E, Stepanov, M, Ster, A, Stoll, SP, Sugitate, T, Suire, C, Sullivan, JP, Sziklai, J, Tabaru, T, Takagi, S, Takagui, EM, Taketani, A, Tanaka, KH, Tanaka, Y, Tanida, K, Tannenbaum, MJ, Taranenko, A, Tarján, P, Thomas, TL, Togawa, M, Tojo, J, Torii, H, Towell, RS, Tram, VN, Tserruya, I, Tsuchimoto, Y, Tuli, SK, Tydesjö, H, Tyurin, N, Vale, C, Valle, H, Van Hecke, HW, Velkovska, J, Vértesi, R, Vinogradov, AA, Vznuzdaev, E, Wagner, M, Wang, XR, Watanabe, Y, Wessels, J, White, SN, Willis, N, Winter, D, Woody, CL, Wysocki, M, Xie, W, Yanovich, A, Yokkaichi, S, Young, GR, Younus, I, Yushmanov, IE, Zajc, WA, Zaudtke, O, Zhang, C, Zimányi, J & Zolin, L 2009, 'High-pT π0 production with respect to the reaction plane in Au+Au collisions at sNN=200 GeV', Physical Review C - Nuclear Physics, vol. 80, no. 5, 054907. https://doi.org/10.1103/PhysRevC.80.054907
Afanasiev, S. ; Aidala, C. ; Ajitanand, N. N. ; Akiba, Y. ; Alexander, J. ; Al-Jamel, A. ; Aoki, K. ; Aphecetche, L. ; Armendariz, R. ; Aronson, S. H. ; Averbeck, R. ; Awes, T. C. ; Azmoun, B. ; Babintsev, V. ; Baldisseri, A. ; Barish, K. N. ; Barnes, P. D. ; Bassalleck, B. ; Bathe, S. ; Batsouli, S. ; Baublis, V. ; Bauer, F. ; Bazilevsky, A. ; Belikov, S. ; Bennett, R. ; Berdnikov, Y. ; Bjorndal, M. T. ; Boissevain, J. G. ; Borel, H. ; Boyle, K. ; Brooks, M. L. ; Brown, D. S. ; Bucher, D. ; Buesching, H. ; Bumazhnov, V. ; Bunce, G. ; Burward-Hoy, J. M. ; Butsyk, S. ; Campbell, S. ; Chai, J. S. ; Chernichenko, S. ; Chiba, J. ; Chi, C. Y. ; Chiu, M. ; Choi, I. J. ; Chujo, T. ; Cianciolo, V. ; Cleven, C. R. ; Cobigo, Y. ; Cole, B. A. ; Comets, M. P. ; Constantin, P. ; Csanád, M. ; Csörgo, T. ; Dahms, T. ; Das, K. ; David, G. ; Delagrange, H. ; Denisov, A. ; D'Enterria, D. ; Deshpande, A. ; Desmond, E. J. ; Dietzsch, O. ; Dion, A. ; Drachenberg, J. L. ; Drapier, O. ; Drees, A. ; Dubey, A. K. ; Durum, A. ; Dzhordzhadze, V. ; Efremenko, Y. V. ; Egdemir, J. ; Enokizono, A. ; En'Yo, H. ; Espagnon, B. ; Esumi, S. ; Fields, D. E. ; Fleuret, F. ; Fokin, S. L. ; Forestier, B. ; Fraenkel, Z. ; Frantz, J. E. ; Franz, A. ; Frawley, A. D. ; Fukao, Y. ; Fung, S. Y. ; Gadrat, S. ; Gastineau, F. ; Germain, M. ; Glenn, A. ; Gonin, M. ; Gosset, J. ; Goto, Y. ; De Cassagnac, R. Granier ; Grau, N. ; Greene, S. V. ; Perdekamp, M. Grosse ; Gunji, T. ; Gustafsson, H. Å ; Hachiya, T. ; Henni, A. Hadj ; Haggerty, J. S. ; Hagiwara, M. N. ; Hamagaki, H. ; Harada, H. ; Hartouni, E. P. ; Haruna, K. ; Harvey, M. ; Haslum, E. ; Hasuko, K. ; Hayano, R. ; Heffner, M. ; Hemmick, T. K. ; Heuser, J. M. ; He, X. ; Hiejima, H. ; Hill, J. C. ; Hobbs, R. ; Holmes, M. ; Holzmann, W. ; Homma, K. ; Hong, Byungsik ; Horaguchi, T. ; Hur, M. G. ; Ichihara, T. ; Imai, K. ; Inaba, M. ; Isenhower, D. ; Isenhower, L. ; Ishihara, M. ; Isobe, T. ; Issah, M. ; Isupov, A. ; Jacak, B. V. ; Jia, J. ; Jin, J. ; Jinnouchi, O. ; Johnson, B. M. ; Joo, K. S. ; Jouan, D. ; Kajihara, F. ; Kametani, S. ; Kamihara, N. ; Kaneta, M. ; Kang, J. H. ; Kawagishi, T. ; Kazantsev, A. V. ; Kelly, S. ; Khanzadeev, A. ; Kim, D. J. ; Kim, E. ; Kim, Y. S. ; Kinney, E. ; Kiss, Á ; Kistenev, E. ; Kiyomichi, A. ; Klein-Boesing, C. ; Kochenda, L. ; Kochetkov, V. ; Komkov, B. ; Konno, M. ; Kotchetkov, D. ; Kozlov, A. ; Kroon, P. J. ; Kunde, G. J. ; Kurihara, N. ; Kurita, K. ; Kweon, M. J. ; Kwon, Y. ; Kyle, G. S. ; Lacey, R. ; Lajoie, J. G. ; Lebedev, A. ; Bornec, Y. Le ; Leckey, S. ; Lee, D. M. ; Lee, M. K. ; Leitch, M. J. ; Leite, M. A L ; Lim, H. ; Litvinenko, A. ; Liu, M. X. ; Li, X. H. ; Maguire, C. F. ; Makdisi, Y. I. ; Malakhov, A. ; Malik, M. D. ; Manko, V. I. ; Masui, H. ; Matathias, F. ; McCain, M. C. ; McGaughey, P. L. ; Miake, Y. ; Miller, T. E. ; Milov, A. ; Mioduszewski, S. ; Mishra, G. C. ; Mitchell, J. T. ; Morrison, D. P. ; Moss, J. M. ; Moukhanova, T. V. ; Mukhopadhyay, D. ; Murata, J. ; Nagamiya, S. ; Nagata, Y. ; Nagle, J. L. ; Naglis, M. ; Nakamura, T. ; Newby, J. ; Nguyen, M. ; Norman, B. E. ; Nyanin, A. S. ; Nystrand, J. ; O'Brien, E. ; Ogilvie, C. A. ; Ohnishi, H. ; Ojha, I. D. ; Okada, H. ; Okada, K. ; Omiwade, O. O. ; Oskarsson, A. ; Otterlund, I. ; Ozawa, K. ; Pal, D. ; Palounek, A. P T ; Pantuev, V. ; Papavassiliou, V. ; Park, J. ; Park, W. J. ; Pate, S. F. ; Pei, H. ; Peng, J. C. ; Pereira, H. ; Peresedov, V. ; Peressounko, D. Yu ; Pinkenburg, C. ; Pisani, R. P. ; Purschke, M. L. ; Purwar, A. K. ; Qu, H. ; Rak, J. ; Ravinovich, I. ; Read, K. F. ; Reuter, M. ; Reygers, K. ; Riabov, V. ; Riabov, Y. ; Roche, G. ; Romana, A. ; Rosati, M. ; Rosendahl, S. S E ; Rosnet, P. ; Rukoyatkin, P. ; Rykov, V. L. ; Ryu, S. S. ; Sahlmueller, B. ; Saito, N. ; Sakaguchi, T. ; Sakai, S. ; Samsonov, V. ; Sato, H. D. ; Sato, S. ; Sawada, S. ; Semenov, V. ; Seto, R. ; Sharma, D. ; Shea, T. K. ; Shein, I. ; Shibata, T. A. ; Shigaki, K. ; Shimomura, M. ; Shohjoh, T. ; Shoji, K. ; Sickles, A. ; Silva, C. L. ; Silvermyr, D. ; Sim, K. S. ; Singh, C. P. ; Singh, V. ; Skutnik, S. ; Smith, W. C. ; Soldatov, A. ; Soltz, R. A. ; Sondheim, W. E. ; Sorensen, S. P. ; Sourikova, I. V. ; Staley, F. ; Stankus, P. W. ; Stenlund, E. ; Stepanov, M. ; Ster, A. ; Stoll, S. P. ; Sugitate, T. ; Suire, C. ; Sullivan, J. P. ; Sziklai, J. ; Tabaru, T. ; Takagi, S. ; Takagui, E. M. ; Taketani, A. ; Tanaka, K. H. ; Tanaka, Y. ; Tanida, K. ; Tannenbaum, M. J. ; Taranenko, A. ; Tarján, P. ; Thomas, T. L. ; Togawa, M. ; Tojo, J. ; Torii, H. ; Towell, R. S. ; Tram, V. N. ; Tserruya, I. ; Tsuchimoto, Y. ; Tuli, S. K. ; Tydesjö, H. ; Tyurin, N. ; Vale, C. ; Valle, H. ; Van Hecke, H. W. ; Velkovska, J. ; Vértesi, R. ; Vinogradov, A. A. ; Vznuzdaev, E. ; Wagner, M. ; Wang, X. R. ; Watanabe, Y. ; Wessels, J. ; White, S. N. ; Willis, N. ; Winter, D. ; Woody, C. L. ; Wysocki, M. ; Xie, W. ; Yanovich, A. ; Yokkaichi, S. ; Young, G. R. ; Younus, I. ; Yushmanov, I. E. ; Zajc, W. A. ; Zaudtke, O. ; Zhang, C. ; Zimányi, J. ; Zolin, L. / High-pT π0 production with respect to the reaction plane in Au+Au collisions at sNN=200 GeV. In: Physical Review C - Nuclear Physics. 2009 ; Vol. 80, No. 5.
@article{b9daae0c8885413cabbb31c2be444081,
title = "High-pT π0 production with respect to the reaction plane in Au+Au collisions at sNN=200 GeV",
abstract = "Measurements of the azimuthal anisotropy of high-pT neutral pion (π0) production in Au+Au collisions at sNN=200 GeV by the PHENIX experiment are presented. The data included in this article were collected during the 2004 Relativistic Heavy Ion Collider running period and represent approximately an order of magnitude increase in the number of analyzed events relative to previously published results. Azimuthal angle distributions of π0 mesons detected in the PHENIX electromagnetic calorimeters are measured relative to the reaction plane determined event-by-event using the forward and backward beam-beam counters. Amplitudes of the second Fourier component (v2) of the angular distributions are presented as a function of π0 transverse momentum (pT) for different bins in collision centrality. Measured reaction plane dependent π0 yields are used to determine the azimuthal dependence of the π0 suppression as a function of pT, RAA(Δ,pT). A jet-quenching motivated geometric analysis is presented that attempts to simultaneously describe the centrality dependence and reaction plane angle dependence of the π0 suppression in terms of the path lengths of hypothetical parent partons in the medium. This set of results allows for a detailed examination of the influence of geometry in the collision region and of the interplay between collective flow and jet-quenching effects along the azimuthal axis.",
author = "S. Afanasiev and C. Aidala and Ajitanand, {N. N.} and Y. Akiba and J. Alexander and A. Al-Jamel and K. Aoki and L. Aphecetche and R. Armendariz and Aronson, {S. H.} and R. Averbeck and Awes, {T. C.} and B. Azmoun and V. Babintsev and A. Baldisseri and Barish, {K. N.} and Barnes, {P. D.} and B. Bassalleck and S. Bathe and S. Batsouli and V. Baublis and F. Bauer and A. Bazilevsky and S. Belikov and R. Bennett and Y. Berdnikov and Bjorndal, {M. T.} and Boissevain, {J. G.} and H. Borel and K. Boyle and Brooks, {M. L.} and Brown, {D. S.} and D. Bucher and H. Buesching and V. Bumazhnov and G. Bunce and Burward-Hoy, {J. M.} and S. Butsyk and S. Campbell and Chai, {J. S.} and S. Chernichenko and J. Chiba and Chi, {C. Y.} and M. Chiu and Choi, {I. J.} and T. Chujo and V. Cianciolo and Cleven, {C. R.} and Y. Cobigo and Cole, {B. A.} and Comets, {M. P.} and P. Constantin and M. Csan{\'a}d and T. Cs{\"o}rgo and T. Dahms and K. Das and G. David and H. Delagrange and A. Denisov and D. D'Enterria and A. Deshpande and Desmond, {E. J.} and O. Dietzsch and A. Dion and Drachenberg, {J. L.} and O. Drapier and A. Drees and Dubey, {A. K.} and A. Durum and V. Dzhordzhadze and Efremenko, {Y. V.} and J. Egdemir and A. Enokizono and H. En'Yo and B. Espagnon and S. Esumi and Fields, {D. E.} and F. Fleuret and Fokin, {S. L.} and B. Forestier and Z. Fraenkel and Frantz, {J. E.} and A. Franz and Frawley, {A. D.} and Y. Fukao and Fung, {S. Y.} and S. Gadrat and F. Gastineau and M. Germain and A. Glenn and M. Gonin and J. Gosset and Y. Goto and {De Cassagnac}, {R. Granier} and N. Grau and Greene, {S. V.} and Perdekamp, {M. Grosse} and T. Gunji and Gustafsson, {H. {\AA}} and T. Hachiya and Henni, {A. Hadj} and Haggerty, {J. S.} and Hagiwara, {M. N.} and H. Hamagaki and H. Harada and Hartouni, {E. P.} and K. Haruna and M. Harvey and E. Haslum and K. Hasuko and R. Hayano and M. Heffner and Hemmick, {T. K.} and Heuser, {J. M.} and X. He and H. Hiejima and Hill, {J. C.} and R. Hobbs and M. Holmes and W. Holzmann and K. Homma and Byungsik Hong and T. Horaguchi and Hur, {M. G.} and T. Ichihara and K. Imai and M. Inaba and D. Isenhower and L. Isenhower and M. Ishihara and T. Isobe and M. Issah and A. Isupov and Jacak, {B. V.} and J. Jia and J. Jin and O. Jinnouchi and Johnson, {B. M.} and Joo, {K. S.} and D. Jouan and F. Kajihara and S. Kametani and N. Kamihara and M. Kaneta and Kang, {J. H.} and T. Kawagishi and Kazantsev, {A. V.} and S. Kelly and A. Khanzadeev and Kim, {D. J.} and E. Kim and Kim, {Y. S.} and E. Kinney and {\'A} Kiss and E. Kistenev and A. Kiyomichi and C. Klein-Boesing and L. Kochenda and V. Kochetkov and B. Komkov and M. Konno and D. Kotchetkov and A. Kozlov and Kroon, {P. J.} and Kunde, {G. J.} and N. Kurihara and K. Kurita and Kweon, {M. J.} and Y. Kwon and Kyle, {G. S.} and R. Lacey and Lajoie, {J. G.} and A. Lebedev and Bornec, {Y. Le} and S. Leckey and Lee, {D. M.} and Lee, {M. K.} and Leitch, {M. J.} and Leite, {M. A L} and H. Lim and A. Litvinenko and Liu, {M. X.} and Li, {X. H.} and Maguire, {C. F.} and Makdisi, {Y. I.} and A. Malakhov and Malik, {M. D.} and Manko, {V. I.} and H. Masui and F. Matathias and McCain, {M. C.} and McGaughey, {P. L.} and Y. Miake and Miller, {T. E.} and A. Milov and S. Mioduszewski and Mishra, {G. C.} and Mitchell, {J. T.} and Morrison, {D. P.} and Moss, {J. M.} and Moukhanova, {T. V.} and D. Mukhopadhyay and J. Murata and S. Nagamiya and Y. Nagata and Nagle, {J. L.} and M. Naglis and T. Nakamura and J. Newby and M. Nguyen and Norman, {B. E.} and Nyanin, {A. S.} and J. Nystrand and E. O'Brien and Ogilvie, {C. A.} and H. Ohnishi and Ojha, {I. D.} and H. Okada and K. Okada and Omiwade, {O. O.} and A. Oskarsson and I. Otterlund and K. Ozawa and D. Pal and Palounek, {A. P T} and V. Pantuev and V. Papavassiliou and J. Park and Park, {W. J.} and Pate, {S. F.} and H. Pei and Peng, {J. C.} and H. Pereira and V. Peresedov and Peressounko, {D. Yu} and C. Pinkenburg and Pisani, {R. P.} and Purschke, {M. L.} and Purwar, {A. K.} and H. Qu and J. Rak and I. Ravinovich and Read, {K. F.} and M. Reuter and K. Reygers and V. Riabov and Y. Riabov and G. Roche and A. Romana and M. Rosati and Rosendahl, {S. S E} and P. Rosnet and P. Rukoyatkin and Rykov, {V. L.} and Ryu, {S. S.} and B. Sahlmueller and N. Saito and T. Sakaguchi and S. Sakai and V. Samsonov and Sato, {H. D.} and S. Sato and S. Sawada and V. Semenov and R. Seto and D. Sharma and Shea, {T. K.} and I. Shein and Shibata, {T. A.} and K. Shigaki and M. Shimomura and T. Shohjoh and K. Shoji and A. Sickles and Silva, {C. L.} and D. Silvermyr and Sim, {K. S.} and Singh, {C. P.} and V. Singh and S. Skutnik and Smith, {W. C.} and A. Soldatov and Soltz, {R. A.} and Sondheim, {W. E.} and Sorensen, {S. P.} and Sourikova, {I. V.} and F. Staley and Stankus, {P. W.} and E. Stenlund and M. Stepanov and A. Ster and Stoll, {S. P.} and T. Sugitate and C. Suire and Sullivan, {J. P.} and J. Sziklai and T. Tabaru and S. Takagi and Takagui, {E. M.} and A. Taketani and Tanaka, {K. H.} and Y. Tanaka and K. Tanida and Tannenbaum, {M. J.} and A. Taranenko and P. Tarj{\'a}n and Thomas, {T. L.} and M. Togawa and J. Tojo and H. Torii and Towell, {R. S.} and Tram, {V. N.} and I. Tserruya and Y. Tsuchimoto and Tuli, {S. K.} and H. Tydesj{\"o} and N. Tyurin and C. Vale and H. Valle and {Van Hecke}, {H. W.} and J. Velkovska and R. V{\'e}rtesi and Vinogradov, {A. A.} and E. Vznuzdaev and M. Wagner and Wang, {X. R.} and Y. Watanabe and J. Wessels and White, {S. N.} and N. Willis and D. Winter and Woody, {C. L.} and M. Wysocki and W. Xie and A. Yanovich and S. Yokkaichi and Young, {G. R.} and I. Younus and Yushmanov, {I. E.} and Zajc, {W. A.} and O. Zaudtke and C. Zhang and J. Zim{\'a}nyi and L. Zolin",
year = "2009",
month = "11",
day = "13",
doi = "10.1103/PhysRevC.80.054907",
language = "English",
volume = "80",
journal = "Physical Review C - Nuclear Physics",
issn = "0556-2813",
publisher = "American Physical Society",
number = "5",

}

TY - JOUR

T1 - High-pT π0 production with respect to the reaction plane in Au+Au collisions at sNN=200 GeV

AU - Afanasiev, S.

AU - Aidala, C.

AU - Ajitanand, N. N.

AU - Akiba, Y.

AU - Alexander, J.

AU - Al-Jamel, A.

AU - Aoki, K.

AU - Aphecetche, L.

AU - Armendariz, R.

AU - Aronson, S. H.

AU - Averbeck, R.

AU - Awes, T. C.

AU - Azmoun, B.

AU - Babintsev, V.

AU - Baldisseri, A.

AU - Barish, K. N.

AU - Barnes, P. D.

AU - Bassalleck, B.

AU - Bathe, S.

AU - Batsouli, S.

AU - Baublis, V.

AU - Bauer, F.

AU - Bazilevsky, A.

AU - Belikov, S.

AU - Bennett, R.

AU - Berdnikov, Y.

AU - Bjorndal, M. T.

AU - Boissevain, J. G.

AU - Borel, H.

AU - Boyle, K.

AU - Brooks, M. L.

AU - Brown, D. S.

AU - Bucher, D.

AU - Buesching, H.

AU - Bumazhnov, V.

AU - Bunce, G.

AU - Burward-Hoy, J. M.

AU - Butsyk, S.

AU - Campbell, S.

AU - Chai, J. S.

AU - Chernichenko, S.

AU - Chiba, J.

AU - Chi, C. Y.

AU - Chiu, M.

AU - Choi, I. J.

AU - Chujo, T.

AU - Cianciolo, V.

AU - Cleven, C. R.

AU - Cobigo, Y.

AU - Cole, B. A.

AU - Comets, M. P.

AU - Constantin, P.

AU - Csanád, M.

AU - Csörgo, T.

AU - Dahms, T.

AU - Das, K.

AU - David, G.

AU - Delagrange, H.

AU - Denisov, A.

AU - D'Enterria, D.

AU - Deshpande, A.

AU - Desmond, E. J.

AU - Dietzsch, O.

AU - Dion, A.

AU - Drachenberg, J. L.

AU - Drapier, O.

AU - Drees, A.

AU - Dubey, A. K.

AU - Durum, A.

AU - Dzhordzhadze, V.

AU - Efremenko, Y. V.

AU - Egdemir, J.

AU - Enokizono, A.

AU - En'Yo, H.

AU - Espagnon, B.

AU - Esumi, S.

AU - Fields, D. E.

AU - Fleuret, F.

AU - Fokin, S. L.

AU - Forestier, B.

AU - Fraenkel, Z.

AU - Frantz, J. E.

AU - Franz, A.

AU - Frawley, A. D.

AU - Fukao, Y.

AU - Fung, S. Y.

AU - Gadrat, S.

AU - Gastineau, F.

AU - Germain, M.

AU - Glenn, A.

AU - Gonin, M.

AU - Gosset, J.

AU - Goto, Y.

AU - De Cassagnac, R. Granier

AU - Grau, N.

AU - Greene, S. V.

AU - Perdekamp, M. Grosse

AU - Gunji, T.

AU - Gustafsson, H. Å

AU - Hachiya, T.

AU - Henni, A. Hadj

AU - Haggerty, J. S.

AU - Hagiwara, M. N.

AU - Hamagaki, H.

AU - Harada, H.

AU - Hartouni, E. P.

AU - Haruna, K.

AU - Harvey, M.

AU - Haslum, E.

AU - Hasuko, K.

AU - Hayano, R.

AU - Heffner, M.

AU - Hemmick, T. K.

AU - Heuser, J. M.

AU - He, X.

AU - Hiejima, H.

AU - Hill, J. C.

AU - Hobbs, R.

AU - Holmes, M.

AU - Holzmann, W.

AU - Homma, K.

AU - Hong, Byungsik

AU - Horaguchi, T.

AU - Hur, M. G.

AU - Ichihara, T.

AU - Imai, K.

AU - Inaba, M.

AU - Isenhower, D.

AU - Isenhower, L.

AU - Ishihara, M.

AU - Isobe, T.

AU - Issah, M.

AU - Isupov, A.

AU - Jacak, B. V.

AU - Jia, J.

AU - Jin, J.

AU - Jinnouchi, O.

AU - Johnson, B. M.

AU - Joo, K. S.

AU - Jouan, D.

AU - Kajihara, F.

AU - Kametani, S.

AU - Kamihara, N.

AU - Kaneta, M.

AU - Kang, J. H.

AU - Kawagishi, T.

AU - Kazantsev, A. V.

AU - Kelly, S.

AU - Khanzadeev, A.

AU - Kim, D. J.

AU - Kim, E.

AU - Kim, Y. S.

AU - Kinney, E.

AU - Kiss, Á

AU - Kistenev, E.

AU - Kiyomichi, A.

AU - Klein-Boesing, C.

AU - Kochenda, L.

AU - Kochetkov, V.

AU - Komkov, B.

AU - Konno, M.

AU - Kotchetkov, D.

AU - Kozlov, A.

AU - Kroon, P. J.

AU - Kunde, G. J.

AU - Kurihara, N.

AU - Kurita, K.

AU - Kweon, M. J.

AU - Kwon, Y.

AU - Kyle, G. S.

AU - Lacey, R.

AU - Lajoie, J. G.

AU - Lebedev, A.

AU - Bornec, Y. Le

AU - Leckey, S.

AU - Lee, D. M.

AU - Lee, M. K.

AU - Leitch, M. J.

AU - Leite, M. A L

AU - Lim, H.

AU - Litvinenko, A.

AU - Liu, M. X.

AU - Li, X. H.

AU - Maguire, C. F.

AU - Makdisi, Y. I.

AU - Malakhov, A.

AU - Malik, M. D.

AU - Manko, V. I.

AU - Masui, H.

AU - Matathias, F.

AU - McCain, M. C.

AU - McGaughey, P. L.

AU - Miake, Y.

AU - Miller, T. E.

AU - Milov, A.

AU - Mioduszewski, S.

AU - Mishra, G. C.

AU - Mitchell, J. T.

AU - Morrison, D. P.

AU - Moss, J. M.

AU - Moukhanova, T. V.

AU - Mukhopadhyay, D.

AU - Murata, J.

AU - Nagamiya, S.

AU - Nagata, Y.

AU - Nagle, J. L.

AU - Naglis, M.

AU - Nakamura, T.

AU - Newby, J.

AU - Nguyen, M.

AU - Norman, B. E.

AU - Nyanin, A. S.

AU - Nystrand, J.

AU - O'Brien, E.

AU - Ogilvie, C. A.

AU - Ohnishi, H.

AU - Ojha, I. D.

AU - Okada, H.

AU - Okada, K.

AU - Omiwade, O. O.

AU - Oskarsson, A.

AU - Otterlund, I.

AU - Ozawa, K.

AU - Pal, D.

AU - Palounek, A. P T

AU - Pantuev, V.

AU - Papavassiliou, V.

AU - Park, J.

AU - Park, W. J.

AU - Pate, S. F.

AU - Pei, H.

AU - Peng, J. C.

AU - Pereira, H.

AU - Peresedov, V.

AU - Peressounko, D. Yu

AU - Pinkenburg, C.

AU - Pisani, R. P.

AU - Purschke, M. L.

AU - Purwar, A. K.

AU - Qu, H.

AU - Rak, J.

AU - Ravinovich, I.

AU - Read, K. F.

AU - Reuter, M.

AU - Reygers, K.

AU - Riabov, V.

AU - Riabov, Y.

AU - Roche, G.

AU - Romana, A.

AU - Rosati, M.

AU - Rosendahl, S. S E

AU - Rosnet, P.

AU - Rukoyatkin, P.

AU - Rykov, V. L.

AU - Ryu, S. S.

AU - Sahlmueller, B.

AU - Saito, N.

AU - Sakaguchi, T.

AU - Sakai, S.

AU - Samsonov, V.

AU - Sato, H. D.

AU - Sato, S.

AU - Sawada, S.

AU - Semenov, V.

AU - Seto, R.

AU - Sharma, D.

AU - Shea, T. K.

AU - Shein, I.

AU - Shibata, T. A.

AU - Shigaki, K.

AU - Shimomura, M.

AU - Shohjoh, T.

AU - Shoji, K.

AU - Sickles, A.

AU - Silva, C. L.

AU - Silvermyr, D.

AU - Sim, K. S.

AU - Singh, C. P.

AU - Singh, V.

AU - Skutnik, S.

AU - Smith, W. C.

AU - Soldatov, A.

AU - Soltz, R. A.

AU - Sondheim, W. E.

AU - Sorensen, S. P.

AU - Sourikova, I. V.

AU - Staley, F.

AU - Stankus, P. W.

AU - Stenlund, E.

AU - Stepanov, M.

AU - Ster, A.

AU - Stoll, S. P.

AU - Sugitate, T.

AU - Suire, C.

AU - Sullivan, J. P.

AU - Sziklai, J.

AU - Tabaru, T.

AU - Takagi, S.

AU - Takagui, E. M.

AU - Taketani, A.

AU - Tanaka, K. H.

AU - Tanaka, Y.

AU - Tanida, K.

AU - Tannenbaum, M. J.

AU - Taranenko, A.

AU - Tarján, P.

AU - Thomas, T. L.

AU - Togawa, M.

AU - Tojo, J.

AU - Torii, H.

AU - Towell, R. S.

AU - Tram, V. N.

AU - Tserruya, I.

AU - Tsuchimoto, Y.

AU - Tuli, S. K.

AU - Tydesjö, H.

AU - Tyurin, N.

AU - Vale, C.

AU - Valle, H.

AU - Van Hecke, H. W.

AU - Velkovska, J.

AU - Vértesi, R.

AU - Vinogradov, A. A.

AU - Vznuzdaev, E.

AU - Wagner, M.

AU - Wang, X. R.

AU - Watanabe, Y.

AU - Wessels, J.

AU - White, S. N.

AU - Willis, N.

AU - Winter, D.

AU - Woody, C. L.

AU - Wysocki, M.

AU - Xie, W.

AU - Yanovich, A.

AU - Yokkaichi, S.

AU - Young, G. R.

AU - Younus, I.

AU - Yushmanov, I. E.

AU - Zajc, W. A.

AU - Zaudtke, O.

AU - Zhang, C.

AU - Zimányi, J.

AU - Zolin, L.

PY - 2009/11/13

Y1 - 2009/11/13

N2 - Measurements of the azimuthal anisotropy of high-pT neutral pion (π0) production in Au+Au collisions at sNN=200 GeV by the PHENIX experiment are presented. The data included in this article were collected during the 2004 Relativistic Heavy Ion Collider running period and represent approximately an order of magnitude increase in the number of analyzed events relative to previously published results. Azimuthal angle distributions of π0 mesons detected in the PHENIX electromagnetic calorimeters are measured relative to the reaction plane determined event-by-event using the forward and backward beam-beam counters. Amplitudes of the second Fourier component (v2) of the angular distributions are presented as a function of π0 transverse momentum (pT) for different bins in collision centrality. Measured reaction plane dependent π0 yields are used to determine the azimuthal dependence of the π0 suppression as a function of pT, RAA(Δ,pT). A jet-quenching motivated geometric analysis is presented that attempts to simultaneously describe the centrality dependence and reaction plane angle dependence of the π0 suppression in terms of the path lengths of hypothetical parent partons in the medium. This set of results allows for a detailed examination of the influence of geometry in the collision region and of the interplay between collective flow and jet-quenching effects along the azimuthal axis.

AB - Measurements of the azimuthal anisotropy of high-pT neutral pion (π0) production in Au+Au collisions at sNN=200 GeV by the PHENIX experiment are presented. The data included in this article were collected during the 2004 Relativistic Heavy Ion Collider running period and represent approximately an order of magnitude increase in the number of analyzed events relative to previously published results. Azimuthal angle distributions of π0 mesons detected in the PHENIX electromagnetic calorimeters are measured relative to the reaction plane determined event-by-event using the forward and backward beam-beam counters. Amplitudes of the second Fourier component (v2) of the angular distributions are presented as a function of π0 transverse momentum (pT) for different bins in collision centrality. Measured reaction plane dependent π0 yields are used to determine the azimuthal dependence of the π0 suppression as a function of pT, RAA(Δ,pT). A jet-quenching motivated geometric analysis is presented that attempts to simultaneously describe the centrality dependence and reaction plane angle dependence of the π0 suppression in terms of the path lengths of hypothetical parent partons in the medium. This set of results allows for a detailed examination of the influence of geometry in the collision region and of the interplay between collective flow and jet-quenching effects along the azimuthal axis.

UR - http://www.scopus.com/inward/record.url?scp=70849127698&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=70849127698&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.80.054907

DO - 10.1103/PhysRevC.80.054907

M3 - Article

VL - 80

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

SN - 0556-2813

IS - 5

M1 - 054907

ER -