Observation of diffractively produced W and Z bosons in p̄p collisions at √s = 1800 GeV

V. M. Abazov, B. Abbott, A. Abdesselam, M. Abolins, V. Abramov, B. S. Acharya, D. L. Adams, M. Adams, S. N. Ahmed, G. D. Alexeev, A. Alton, G. A. Alves, E. W. Anderson, Y. Arnoud, C. Avila, V. V. Babintsev, L. Babukhadia, T. C. Bacon, A. Baden, S. BaffioniB. Baldin, P. W. Balm, S. Banerjee, E. Barberis, P. Baringer, J. Barreto, J. F. Bartlett, U. Bassler, D. Bauer, A. Bean, F. Beaudette, M. Begel, A. Belyaev, S. B. Beri, G. Bernardi, I. Bertram, A. Besson, R. Beuselinck, V. A. Bezzubov, P. C. Bhat, V. Bhatnagar, M. Bhattacharjee, G. Blazey, F. Blekman, S. Blessing, A. Boehnlein, N. I. Bojko, T. A. Bolton, F. Borcherding, K. Bos, T. Bose, A. Brandt, G. Briskin, R. Brock, G. Brooijmans, A. Bross, D. Buchholz, M. Buehler, V. Buescher, V. S. Burtovoi, J. M. Butler, F. Canelli, W. Carvalho, D. Casey, H. Castilla-Valdez, D. Chakraborty, K. M. Chan, S. V. Chekulaev, D. K. Cho, Suyong Choi, S. Chopra, D. Claes, A. R. Clark, L. Coney, B. Connolly, W. E. Cooper, D. Coppage, S. Crépé-Renaudin, M. A C Cummings, D. Cutts, H. da Motta, G. A. Davis, K. De, S. J. de Jong, M. Demarteau, R. Demina, P. Demine, D. Denisov, S. P. Denisov, S. Desai, H. T. Diehl, M. Diesburg, S. Doulas, L. V. Dudko, S. Duensing, L. Duflot, S. R. Dugad, A. Duperrin, A. Dyshkant, D. Edmunds, J. Ellison, J. T. Eltzroth, V. D. Elvira, R. Engelmann, S. Eno, G. Eppley, P. Ermolov, O. V. Eroshin, J. Estrada, H. Evans, V. N. Evdokimov, D. Fein, T. Ferbel, F. Filthaut, H. E. Fisk, F. Fleuret, M. Fortner, H. Fox, S. Fu, S. Fuess, E. Gallas, A. N. Galyaev, M. Gao, V. Gavrilov, R. J. Genik, K. Genser, C. E. Gerber, Y. Gershtein, G. Ginther, B. Gómez, P. I. Goncharov, H. Gordon, K. Gounder, A. Goussiou, N. Graf, P. D. Grannis, J. A. Green, H. Greenlee, Z. D. Greenwood, S. Grinstein, L. Groer, S. Grünendahl, S. N. Gurzhiev, G. Gutierrez, P. Gutierrez, N. J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian, R. E. Hall, C. Han, S. Hansen, J. M. Hauptman, C. Hebert, D. Hedin, J. M. Heinmiller, A. P. Heinson, U. Heintz, M. D. Hildreth, R. Hirosky, J. D. Hobbs, B. Hoeneisen, J. Huang, Y. Huang, I. Iashvili, R. Illingworth, A. S. Ito, M. Jaffré, S. Jain, R. Jesik, K. Johns, M. Johnson, A. Jonckheere, H. Jöstlein, A. Juste, W. Kahl, S. Kahn, E. Kajfasz, A. M. Kalinin, D. Karmanov, D. Karmgard, R. Kehoe, A. Khanov, A. Kharchilava, B. Klima, J. M. Kohli, A. V. Kostritskiy, J. Kotcher, B. Kothari, A. V. Kozelov, E. A. Kozlovsky, J. Krane, M. R. Krishnaswamy, P. Krivkova, S. Krzywdzinski, M. Kubantsev, S. Kuleshov, Y. Kulik, S. Kunori, A. Kupco, V. E. Kuznetsov, G. Landsberg, W. M. Lee, A. Leflat, F. Lehner, C. Leonidopoulos, J. Li, Q. Z. Li, J. G R Lima, D. Lincoln, S. L. Linn, J. Linnemann, R. Lipton, A. Lucotte, L. Lueking, C. Lundstedt, C. Luo, A. K A Maciel, R. J. Madaras, V. L. Malyshev, V. Manankov, H. S. Mao, T. Marshall, M. I. Martin, K. Mauritz, A. A. Mayorov, R. McCarthy, T. McMahon, H. L. Melanson, M. Merkin, K. W. Merritt, C. Miao, H. Miettinen, D. Mihalcea, N. Mokhov, N. K. Mondal, H. E. Montgomery, R. W. Moore, Y. D. Mutaf, E. Nagy, F. Nang, M. Narain, V. S. Narasimham, N. A. Naumann, H. A. Neal, J. P. Negret, A. Nomerotski, T. Nunnemann, D. O'Neil, V. Oguri, B. Olivier, N. Oshima, P. Padley, K. Papageorgiou, N. Parashar, R. Partridge, N. Parua, A. Patwa, O. Peters, P. Pétroff, R. Piegaia, B. G. Pope, H. B. Prosper, S. Protopopescu, M. B. Przybycien, J. Qian, R. Raja, S. Rajagopalan, P. A. Rapidis, N. W. Reay, S. Reucroft, M. Ridel, M. Rijssenbeek, F. Rizatdinova, T. Rockwell, C. Royon, P. Rubinov, R. Ruchti, B. M. Sabirov, G. Sajot, A. Santoro, L. Sawyer, R. D. Schamberger, H. Schellman, A. Schwartzman, E. Shabalina, R. K. Shivpuri, D. Shpakov, M. Shupe, R. A. Sidwell, V. Simak, V. Sirotenko, P. Slattery, R. P. Smith, G. R. Snow, J. Snow, S. Snyder, J. Solomon, Y. Song, V. Sorín, M. Sosebee, N. Sotnikova, K. Soustruznik, M. Souza, N. R. Stanton, G. Steinbrück, D. Stoker, V. Stolin, A. Stone, D. A. Stoyanova, M. A. Strang, M. Strauss, M. Strovink, L. Stutte, A. Sznajder, M. Talby, W. Taylor, S. Tentindo-Repond, S. M. Tripathi, T. G. Trippe, A. S. Turcot, P. M. Tuts, R. Van Kooten, V. Vaniev, N. Varelas, F. Villeneuve-Seguier, A. A. Volkov, A. P. Vorobiev, H. D. Wahl, Z. M. Wang, J. Warchol, G. Watts, M. Wayne, H. Weerts, A. White, D. Whiteson, D. A. Wijngaarden, S. Willis, S. J. Wimpenny, J. Womersley, D. R. Wood, Q. Xu, R. Yamada, P. Yamin, T. Yasuda, Y. A. Yatsunenko, K. Yip, J. Yu, M. Zanabria, X. Zhang, H. Zheng, B. Zhou, Z. Zhou, M. Zielinski, D. Zieminska, A. Zieminski, V. Zutshi, E. G. Zverev, A. Zylberstejn

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Using the DØ detector, we have observed events produced in p̄p collisions that contain W or Z bosons in conjunction with very little energy deposition ("rapidity gaps") in large forward regions of the detector. The fraction of W boson events with a rapidity gap (a signature for diffraction) is 0.89±0.17 0.19%, and the probability that the non-diffractive background fluctuated to yield the observed diffractive signal is 3 × 10-14, corresponding to a significance of 7.5σ. The Z boson sample has a gap fraction of 1.44±0.52 0.61% with a significance of 4.4σ. The diffractive events have very similar properties to the more common non-diffractive component.

Original languageEnglish
Pages (from-to)169-179
Number of pages11
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume574
Issue number3-4
DOIs
Publication statusPublished - 2003 Nov 13
Externally publishedYes

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bosons
collisions
detectors
signatures
diffraction
energy

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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Observation of diffractively produced W and Z bosons in p̄p collisions at √s = 1800 GeV. / Abazov, V. M.; Abbott, B.; Abdesselam, A.; Abolins, M.; Abramov, V.; Acharya, B. S.; Adams, D. L.; Adams, M.; Ahmed, S. N.; Alexeev, G. D.; Alton, A.; Alves, G. A.; Anderson, E. W.; Arnoud, Y.; Avila, C.; Babintsev, V. V.; Babukhadia, L.; Bacon, T. C.; Baden, A.; Baffioni, S.; Baldin, B.; Balm, P. W.; Banerjee, S.; Barberis, E.; Baringer, P.; Barreto, J.; Bartlett, J. F.; Bassler, U.; Bauer, D.; Bean, A.; Beaudette, F.; Begel, M.; Belyaev, A.; Beri, S. B.; Bernardi, G.; Bertram, I.; Besson, A.; Beuselinck, R.; Bezzubov, V. A.; Bhat, P. C.; Bhatnagar, V.; Bhattacharjee, M.; Blazey, G.; Blekman, F.; Blessing, S.; Boehnlein, A.; Bojko, N. I.; Bolton, T. A.; Borcherding, F.; Bos, K.; Bose, T.; Brandt, A.; Briskin, G.; Brock, R.; Brooijmans, G.; Bross, A.; Buchholz, D.; Buehler, M.; Buescher, V.; Burtovoi, V. S.; Butler, J. M.; Canelli, F.; Carvalho, W.; Casey, D.; Castilla-Valdez, H.; Chakraborty, D.; Chan, K. M.; Chekulaev, S. V.; Cho, D. K.; Choi, Suyong; Chopra, S.; Claes, D.; Clark, A. R.; Coney, L.; Connolly, B.; Cooper, W. E.; Coppage, D.; Crépé-Renaudin, S.; Cummings, M. A C; Cutts, D.; da Motta, H.; Davis, G. A.; De, K.; de Jong, S. J.; Demarteau, M.; Demina, R.; Demine, P.; Denisov, D.; Denisov, S. P.; Desai, S.; Diehl, H. T.; Diesburg, M.; Doulas, S.; Dudko, L. V.; Duensing, S.; Duflot, L.; Dugad, S. R.; Duperrin, A.; Dyshkant, A.; Edmunds, D.; Ellison, J.; Eltzroth, J. T.; Elvira, V. D.; Engelmann, R.; Eno, S.; Eppley, G.; Ermolov, P.; Eroshin, O. V.; Estrada, J.; Evans, H.; Evdokimov, V. N.; Fein, D.; Ferbel, T.; Filthaut, F.; Fisk, H. E.; Fleuret, F.; Fortner, M.; Fox, H.; Fu, S.; Fuess, S.; Gallas, E.; Galyaev, A. N.; Gao, M.; Gavrilov, V.; Genik, R. J.; Genser, K.; Gerber, C. E.; Gershtein, Y.; Ginther, G.; Gómez, B.; Goncharov, P. I.; Gordon, H.; Gounder, K.; Goussiou, A.; Graf, N.; Grannis, P. D.; Green, J. A.; Greenlee, H.; Greenwood, Z. D.; Grinstein, S.; Groer, L.; Grünendahl, S.; Gurzhiev, S. N.; Gutierrez, G.; Gutierrez, P.; Hadley, N. J.; Haggerty, H.; Hagopian, S.; Hagopian, V.; Hall, R. E.; Han, C.; Hansen, S.; Hauptman, J. M.; Hebert, C.; Hedin, D.; Heinmiller, J. M.; Heinson, A. P.; Heintz, U.; Hildreth, M. D.; Hirosky, R.; Hobbs, J. D.; Hoeneisen, B.; Huang, J.; Huang, Y.; Iashvili, I.; Illingworth, R.; Ito, A. S.; Jaffré, M.; Jain, S.; Jesik, R.; Johns, K.; Johnson, M.; Jonckheere, A.; Jöstlein, H.; Juste, A.; Kahl, W.; Kahn, S.; Kajfasz, E.; Kalinin, A. M.; Karmanov, D.; Karmgard, D.; Kehoe, R.; Khanov, A.; Kharchilava, A.; Klima, B.; Kohli, J. M.; Kostritskiy, A. V.; Kotcher, J.; Kothari, B.; Kozelov, A. V.; Kozlovsky, E. A.; Krane, J.; Krishnaswamy, M. R.; Krivkova, P.; Krzywdzinski, S.; Kubantsev, M.; Kuleshov, S.; Kulik, Y.; Kunori, S.; Kupco, A.; Kuznetsov, V. E.; Landsberg, G.; Lee, W. M.; Leflat, A.; Lehner, F.; Leonidopoulos, C.; Li, J.; Li, Q. Z.; Lima, J. G R; Lincoln, D.; Linn, S. L.; Linnemann, J.; Lipton, R.; Lucotte, A.; Lueking, L.; Lundstedt, C.; Luo, C.; Maciel, A. K A; Madaras, R. J.; Malyshev, V. L.; Manankov, V.; Mao, H. S.; Marshall, T.; Martin, M. I.; Mauritz, K.; Mayorov, A. A.; McCarthy, R.; McMahon, T.; Melanson, H. L.; Merkin, M.; Merritt, K. W.; Miao, C.; Miettinen, H.; Mihalcea, D.; Mokhov, N.; Mondal, N. K.; Montgomery, H. E.; Moore, R. W.; Mutaf, Y. D.; Nagy, E.; Nang, F.; Narain, M.; Narasimham, V. S.; Naumann, N. A.; Neal, H. A.; Negret, J. P.; Nomerotski, A.; Nunnemann, T.; O'Neil, D.; Oguri, V.; Olivier, B.; Oshima, N.; Padley, P.; Papageorgiou, K.; Parashar, N.; Partridge, R.; Parua, N.; Patwa, A.; Peters, O.; Pétroff, P.; Piegaia, R.; Pope, B. G.; Prosper, H. B.; Protopopescu, S.; Przybycien, M. B.; Qian, J.; Raja, R.; Rajagopalan, S.; Rapidis, P. A.; Reay, N. W.; Reucroft, S.; Ridel, M.; Rijssenbeek, M.; Rizatdinova, F.; Rockwell, T.; Royon, C.; Rubinov, P.; Ruchti, R.; Sabirov, B. M.; Sajot, G.; Santoro, A.; Sawyer, L.; Schamberger, R. D.; Schellman, H.; Schwartzman, A.; Shabalina, E.; Shivpuri, R. K.; Shpakov, D.; Shupe, M.; Sidwell, R. A.; Simak, V.; Sirotenko, V.; Slattery, P.; Smith, R. P.; Snow, G. R.; Snow, J.; Snyder, S.; Solomon, J.; Song, Y.; Sorín, V.; Sosebee, M.; Sotnikova, N.; Soustruznik, K.; Souza, M.; Stanton, N. R.; Steinbrück, G.; Stoker, D.; Stolin, V.; Stone, A.; Stoyanova, D. A.; Strang, M. A.; Strauss, M.; Strovink, M.; Stutte, L.; Sznajder, A.; Talby, M.; Taylor, W.; Tentindo-Repond, S.; Tripathi, S. M.; Trippe, T. G.; Turcot, A. S.; Tuts, P. M.; Van Kooten, R.; Vaniev, V.; Varelas, N.; Villeneuve-Seguier, F.; Volkov, A. A.; Vorobiev, A. P.; Wahl, H. D.; Wang, Z. M.; Warchol, J.; Watts, G.; Wayne, M.; Weerts, H.; White, A.; Whiteson, D.; Wijngaarden, D. A.; Willis, S.; Wimpenny, S. J.; Womersley, J.; Wood, D. R.; Xu, Q.; Yamada, R.; Yamin, P.; Yasuda, T.; Yatsunenko, Y. A.; Yip, K.; Yu, J.; Zanabria, M.; Zhang, X.; Zheng, H.; Zhou, B.; Zhou, Z.; Zielinski, M.; Zieminska, D.; Zieminski, A.; Zutshi, V.; Zverev, E. G.; Zylberstejn, A.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 574, No. 3-4, 13.11.2003, p. 169-179.

Research output: Contribution to journalArticle

Abazov, VM, Abbott, B, Abdesselam, A, Abolins, M, Abramov, V, Acharya, BS, Adams, DL, Adams, M, Ahmed, SN, Alexeev, GD, Alton, A, Alves, GA, Anderson, EW, Arnoud, Y, Avila, C, Babintsev, VV, Babukhadia, L, Bacon, TC, Baden, A, Baffioni, S, Baldin, B, Balm, PW, Banerjee, S, Barberis, E, Baringer, P, Barreto, J, Bartlett, JF, Bassler, U, Bauer, D, Bean, A, Beaudette, F, Begel, M, Belyaev, A, Beri, SB, Bernardi, G, Bertram, I, Besson, A, Beuselinck, R, Bezzubov, VA, Bhat, PC, Bhatnagar, V, Bhattacharjee, M, Blazey, G, Blekman, F, Blessing, S, Boehnlein, A, Bojko, NI, Bolton, TA, Borcherding, F, Bos, K, Bose, T, Brandt, A, Briskin, G, Brock, R, Brooijmans, G, Bross, A, Buchholz, D, Buehler, M, Buescher, V, Burtovoi, VS, Butler, JM, Canelli, F, Carvalho, W, Casey, D, Castilla-Valdez, H, Chakraborty, D, Chan, KM, Chekulaev, SV, Cho, DK, Choi, S, Chopra, S, Claes, D, Clark, AR, Coney, L, Connolly, B, Cooper, WE, Coppage, D, Crépé-Renaudin, S, Cummings, MAC, Cutts, D, da Motta, H, Davis, GA, De, K, de Jong, SJ, Demarteau, M, Demina, R, Demine, P, Denisov, D, Denisov, SP, Desai, S, Diehl, HT, Diesburg, M, Doulas, S, Dudko, LV, Duensing, S, Duflot, L, Dugad, SR, Duperrin, A, Dyshkant, A, Edmunds, D, Ellison, J, Eltzroth, JT, Elvira, VD, Engelmann, R, Eno, S, Eppley, G, Ermolov, P, Eroshin, OV, Estrada, J, Evans, H, Evdokimov, VN, Fein, D, Ferbel, T, Filthaut, F, Fisk, HE, Fleuret, F, Fortner, M, Fox, H, Fu, S, Fuess, S, Gallas, E, Galyaev, AN, Gao, M, Gavrilov, V, Genik, RJ, Genser, K, Gerber, CE, Gershtein, Y, Ginther, G, Gómez, B, Goncharov, PI, Gordon, H, Gounder, K, Goussiou, A, Graf, N, Grannis, PD, Green, JA, Greenlee, H, Greenwood, ZD, Grinstein, S, Groer, L, Grünendahl, S, Gurzhiev, SN, Gutierrez, G, Gutierrez, P, Hadley, NJ, Haggerty, H, Hagopian, S, Hagopian, V, Hall, RE, Han, C, Hansen, S, Hauptman, JM, Hebert, C, Hedin, D, Heinmiller, JM, Heinson, AP, Heintz, U, Hildreth, MD, Hirosky, R, Hobbs, JD, Hoeneisen, B, Huang, J, Huang, Y, Iashvili, I, Illingworth, R, Ito, AS, Jaffré, M, Jain, S, Jesik, R, Johns, K, Johnson, M, Jonckheere, A, Jöstlein, H, Juste, A, Kahl, W, Kahn, S, Kajfasz, E, Kalinin, AM, Karmanov, D, Karmgard, D, Kehoe, R, Khanov, A, Kharchilava, A, Klima, B, Kohli, JM, Kostritskiy, AV, Kotcher, J, Kothari, B, Kozelov, AV, Kozlovsky, EA, Krane, J, Krishnaswamy, MR, Krivkova, P, Krzywdzinski, S, Kubantsev, M, Kuleshov, S, Kulik, Y, Kunori, S, Kupco, A, Kuznetsov, VE, Landsberg, G, Lee, WM, Leflat, A, Lehner, F, Leonidopoulos, C, Li, J, Li, QZ, Lima, JGR, Lincoln, D, Linn, SL, Linnemann, J, Lipton, R, Lucotte, A, Lueking, L, Lundstedt, C, Luo, C, Maciel, AKA, Madaras, RJ, Malyshev, VL, Manankov, V, Mao, HS, Marshall, T, Martin, MI, Mauritz, K, Mayorov, AA, McCarthy, R, McMahon, T, Melanson, HL, Merkin, M, Merritt, KW, Miao, C, Miettinen, H, Mihalcea, D, Mokhov, N, Mondal, NK, Montgomery, HE, Moore, RW, Mutaf, YD, Nagy, E, Nang, F, Narain, M, Narasimham, VS, Naumann, NA, Neal, HA, Negret, JP, Nomerotski, A, Nunnemann, T, O'Neil, D, Oguri, V, Olivier, B, Oshima, N, Padley, P, Papageorgiou, K, Parashar, N, Partridge, R, Parua, N, Patwa, A, Peters, O, Pétroff, P, Piegaia, R, Pope, BG, Prosper, HB, Protopopescu, S, Przybycien, MB, Qian, J, Raja, R, Rajagopalan, S, Rapidis, PA, Reay, NW, Reucroft, S, Ridel, M, Rijssenbeek, M, Rizatdinova, F, Rockwell, T, Royon, C, Rubinov, P, Ruchti, R, Sabirov, BM, Sajot, G, Santoro, A, Sawyer, L, Schamberger, RD, Schellman, H, Schwartzman, A, Shabalina, E, Shivpuri, RK, Shpakov, D, Shupe, M, Sidwell, RA, Simak, V, Sirotenko, V, Slattery, P, Smith, RP, Snow, GR, Snow, J, Snyder, S, Solomon, J, Song, Y, Sorín, V, Sosebee, M, Sotnikova, N, Soustruznik, K, Souza, M, Stanton, NR, Steinbrück, G, Stoker, D, Stolin, V, Stone, A, Stoyanova, DA, Strang, MA, Strauss, M, Strovink, M, Stutte, L, Sznajder, A, Talby, M, Taylor, W, Tentindo-Repond, S, Tripathi, SM, Trippe, TG, Turcot, AS, Tuts, PM, Van Kooten, R, Vaniev, V, Varelas, N, Villeneuve-Seguier, F, Volkov, AA, Vorobiev, AP, Wahl, HD, Wang, ZM, Warchol, J, Watts, G, Wayne, M, Weerts, H, White, A, Whiteson, D, Wijngaarden, DA, Willis, S, Wimpenny, SJ, Womersley, J, Wood, DR, Xu, Q, Yamada, R, Yamin, P, Yasuda, T, Yatsunenko, YA, Yip, K, Yu, J, Zanabria, M, Zhang, X, Zheng, H, Zhou, B, Zhou, Z, Zielinski, M, Zieminska, D, Zieminski, A, Zutshi, V, Zverev, EG & Zylberstejn, A 2003, 'Observation of diffractively produced W and Z bosons in p̄p collisions at √s = 1800 GeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 574, no. 3-4, pp. 169-179. https://doi.org/10.1016/j.physletb.2003.09.001
Abazov, V. M. ; Abbott, B. ; Abdesselam, A. ; Abolins, M. ; Abramov, V. ; Acharya, B. S. ; Adams, D. L. ; Adams, M. ; Ahmed, S. N. ; Alexeev, G. D. ; Alton, A. ; Alves, G. A. ; Anderson, E. W. ; Arnoud, Y. ; Avila, C. ; Babintsev, V. V. ; Babukhadia, L. ; Bacon, T. C. ; Baden, A. ; Baffioni, S. ; Baldin, B. ; Balm, P. W. ; Banerjee, S. ; Barberis, E. ; Baringer, P. ; Barreto, J. ; Bartlett, J. F. ; Bassler, U. ; Bauer, D. ; Bean, A. ; Beaudette, F. ; Begel, M. ; Belyaev, A. ; Beri, S. B. ; Bernardi, G. ; Bertram, I. ; Besson, A. ; Beuselinck, R. ; Bezzubov, V. A. ; Bhat, P. C. ; Bhatnagar, V. ; Bhattacharjee, M. ; Blazey, G. ; Blekman, F. ; Blessing, S. ; Boehnlein, A. ; Bojko, N. I. ; Bolton, T. A. ; Borcherding, F. ; Bos, K. ; Bose, T. ; Brandt, A. ; Briskin, G. ; Brock, R. ; Brooijmans, G. ; Bross, A. ; Buchholz, D. ; Buehler, M. ; Buescher, V. ; Burtovoi, V. S. ; Butler, J. M. ; Canelli, F. ; Carvalho, W. ; Casey, D. ; Castilla-Valdez, H. ; Chakraborty, D. ; Chan, K. M. ; Chekulaev, S. V. ; Cho, D. K. ; Choi, Suyong ; Chopra, S. ; Claes, D. ; Clark, A. R. ; Coney, L. ; Connolly, B. ; Cooper, W. E. ; Coppage, D. ; Crépé-Renaudin, S. ; Cummings, M. A C ; Cutts, D. ; da Motta, H. ; Davis, G. A. ; De, K. ; de Jong, S. J. ; Demarteau, M. ; Demina, R. ; Demine, P. ; Denisov, D. ; Denisov, S. P. ; Desai, S. ; Diehl, H. T. ; Diesburg, M. ; Doulas, S. ; Dudko, L. V. ; Duensing, S. ; Duflot, L. ; Dugad, S. R. ; Duperrin, A. ; Dyshkant, A. ; Edmunds, D. ; Ellison, J. ; Eltzroth, J. T. ; Elvira, V. D. ; Engelmann, R. ; Eno, S. ; Eppley, G. ; Ermolov, P. ; Eroshin, O. V. ; Estrada, J. ; Evans, H. ; Evdokimov, V. N. ; Fein, D. ; Ferbel, T. ; Filthaut, F. ; Fisk, H. E. ; Fleuret, F. ; Fortner, M. ; Fox, H. ; Fu, S. ; Fuess, S. ; Gallas, E. ; Galyaev, A. N. ; Gao, M. ; Gavrilov, V. ; Genik, R. J. ; Genser, K. ; Gerber, C. E. ; Gershtein, Y. ; Ginther, G. ; Gómez, B. ; Goncharov, P. I. ; Gordon, H. ; Gounder, K. ; Goussiou, A. ; Graf, N. ; Grannis, P. D. ; Green, J. A. ; Greenlee, H. ; Greenwood, Z. D. ; Grinstein, S. ; Groer, L. ; Grünendahl, S. ; Gurzhiev, S. N. ; Gutierrez, G. ; Gutierrez, P. ; Hadley, N. J. ; Haggerty, H. ; Hagopian, S. ; Hagopian, V. ; Hall, R. E. ; Han, C. ; Hansen, S. ; Hauptman, J. M. ; Hebert, C. ; Hedin, D. ; Heinmiller, J. M. ; Heinson, A. P. ; Heintz, U. ; Hildreth, M. D. ; Hirosky, R. ; Hobbs, J. D. ; Hoeneisen, B. ; Huang, J. ; Huang, Y. ; Iashvili, I. ; Illingworth, R. ; Ito, A. S. ; Jaffré, M. ; Jain, S. ; Jesik, R. ; Johns, K. ; Johnson, M. ; Jonckheere, A. ; Jöstlein, H. ; Juste, A. ; Kahl, W. ; Kahn, S. ; Kajfasz, E. ; Kalinin, A. M. ; Karmanov, D. ; Karmgard, D. ; Kehoe, R. ; Khanov, A. ; Kharchilava, A. ; Klima, B. ; Kohli, J. M. ; Kostritskiy, A. V. ; Kotcher, J. ; Kothari, B. ; Kozelov, A. V. ; Kozlovsky, E. A. ; Krane, J. ; Krishnaswamy, M. R. ; Krivkova, P. ; Krzywdzinski, S. ; Kubantsev, M. ; Kuleshov, S. ; Kulik, Y. ; Kunori, S. ; Kupco, A. ; Kuznetsov, V. E. ; Landsberg, G. ; Lee, W. M. ; Leflat, A. ; Lehner, F. ; Leonidopoulos, C. ; Li, J. ; Li, Q. Z. ; Lima, J. G R ; Lincoln, D. ; Linn, S. L. ; Linnemann, J. ; Lipton, R. ; Lucotte, A. ; Lueking, L. ; Lundstedt, C. ; Luo, C. ; Maciel, A. K A ; Madaras, R. J. ; Malyshev, V. L. ; Manankov, V. ; Mao, H. S. ; Marshall, T. ; Martin, M. I. ; Mauritz, K. ; Mayorov, A. A. ; McCarthy, R. ; McMahon, T. ; Melanson, H. L. ; Merkin, M. ; Merritt, K. W. ; Miao, C. ; Miettinen, H. ; Mihalcea, D. ; Mokhov, N. ; Mondal, N. K. ; Montgomery, H. E. ; Moore, R. W. ; Mutaf, Y. D. ; Nagy, E. ; Nang, F. ; Narain, M. ; Narasimham, V. S. ; Naumann, N. A. ; Neal, H. A. ; Negret, J. P. ; Nomerotski, A. ; Nunnemann, T. ; O'Neil, D. ; Oguri, V. ; Olivier, B. ; Oshima, N. ; Padley, P. ; Papageorgiou, K. ; Parashar, N. ; Partridge, R. ; Parua, N. ; Patwa, A. ; Peters, O. ; Pétroff, P. ; Piegaia, R. ; Pope, B. G. ; Prosper, H. B. ; Protopopescu, S. ; Przybycien, M. B. ; Qian, J. ; Raja, R. ; Rajagopalan, S. ; Rapidis, P. A. ; Reay, N. W. ; Reucroft, S. ; Ridel, M. ; Rijssenbeek, M. ; Rizatdinova, F. ; Rockwell, T. ; Royon, C. ; Rubinov, P. ; Ruchti, R. ; Sabirov, B. M. ; Sajot, G. ; Santoro, A. ; Sawyer, L. ; Schamberger, R. D. ; Schellman, H. ; Schwartzman, A. ; Shabalina, E. ; Shivpuri, R. K. ; Shpakov, D. ; Shupe, M. ; Sidwell, R. A. ; Simak, V. ; Sirotenko, V. ; Slattery, P. ; Smith, R. P. ; Snow, G. R. ; Snow, J. ; Snyder, S. ; Solomon, J. ; Song, Y. ; Sorín, V. ; Sosebee, M. ; Sotnikova, N. ; Soustruznik, K. ; Souza, M. ; Stanton, N. R. ; Steinbrück, G. ; Stoker, D. ; Stolin, V. ; Stone, A. ; Stoyanova, D. A. ; Strang, M. A. ; Strauss, M. ; Strovink, M. ; Stutte, L. ; Sznajder, A. ; Talby, M. ; Taylor, W. ; Tentindo-Repond, S. ; Tripathi, S. M. ; Trippe, T. G. ; Turcot, A. S. ; Tuts, P. M. ; Van Kooten, R. ; Vaniev, V. ; Varelas, N. ; Villeneuve-Seguier, F. ; Volkov, A. A. ; Vorobiev, A. P. ; Wahl, H. D. ; Wang, Z. M. ; Warchol, J. ; Watts, G. ; Wayne, M. ; Weerts, H. ; White, A. ; Whiteson, D. ; Wijngaarden, D. A. ; Willis, S. ; Wimpenny, S. J. ; Womersley, J. ; Wood, D. R. ; Xu, Q. ; Yamada, R. ; Yamin, P. ; Yasuda, T. ; Yatsunenko, Y. A. ; Yip, K. ; Yu, J. ; Zanabria, M. ; Zhang, X. ; Zheng, H. ; Zhou, B. ; Zhou, Z. ; Zielinski, M. ; Zieminska, D. ; Zieminski, A. ; Zutshi, V. ; Zverev, E. G. ; Zylberstejn, A. / Observation of diffractively produced W and Z bosons in p̄p collisions at √s = 1800 GeV. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2003 ; Vol. 574, No. 3-4. pp. 169-179.
@article{9645abc9218d42739d38a151591272de,
title = "Observation of diffractively produced W and Z bosons in p̄p collisions at √s = 1800 GeV",
abstract = "Using the D{\O} detector, we have observed events produced in p̄p collisions that contain W or Z bosons in conjunction with very little energy deposition ({"}rapidity gaps{"}) in large forward regions of the detector. The fraction of W boson events with a rapidity gap (a signature for diffraction) is 0.89±0.17 0.19{\%}, and the probability that the non-diffractive background fluctuated to yield the observed diffractive signal is 3 × 10-14, corresponding to a significance of 7.5σ. The Z boson sample has a gap fraction of 1.44±0.52 0.61{\%} with a significance of 4.4σ. The diffractive events have very similar properties to the more common non-diffractive component.",
author = "Abazov, {V. M.} and B. Abbott and A. Abdesselam and M. Abolins and V. Abramov and Acharya, {B. S.} and Adams, {D. L.} and M. Adams and Ahmed, {S. N.} and Alexeev, {G. D.} and A. Alton and Alves, {G. A.} and Anderson, {E. W.} and Y. Arnoud and C. Avila and Babintsev, {V. V.} and L. Babukhadia and Bacon, {T. C.} and A. Baden and S. Baffioni and B. Baldin and Balm, {P. W.} and S. Banerjee and E. Barberis and P. Baringer and J. Barreto and Bartlett, {J. F.} and U. Bassler and D. Bauer and A. Bean and F. Beaudette and M. Begel and A. Belyaev and Beri, {S. B.} and G. Bernardi and I. Bertram and A. Besson and R. Beuselinck and Bezzubov, {V. A.} and Bhat, {P. C.} and V. Bhatnagar and M. Bhattacharjee and G. Blazey and F. Blekman and S. Blessing and A. Boehnlein and Bojko, {N. I.} and Bolton, {T. A.} and F. Borcherding and K. Bos and T. Bose and A. Brandt and G. Briskin and R. Brock and G. Brooijmans and A. Bross and D. Buchholz and M. Buehler and V. Buescher and Burtovoi, {V. S.} and Butler, {J. M.} and F. Canelli and W. Carvalho and D. Casey and H. Castilla-Valdez and D. Chakraborty and Chan, {K. M.} and Chekulaev, {S. V.} and Cho, {D. K.} and Suyong Choi and S. Chopra and D. Claes and Clark, {A. R.} and L. Coney and B. Connolly and Cooper, {W. E.} and D. Coppage and S. Cr{\'e}p{\'e}-Renaudin and Cummings, {M. A C} and D. Cutts and {da Motta}, H. and Davis, {G. A.} and K. De and {de Jong}, {S. J.} and M. Demarteau and R. Demina and P. Demine and D. Denisov and Denisov, {S. P.} and S. Desai and Diehl, {H. T.} and M. Diesburg and S. Doulas and Dudko, {L. V.} and S. Duensing and L. Duflot and Dugad, {S. R.} and A. Duperrin and A. Dyshkant and D. Edmunds and J. Ellison and Eltzroth, {J. T.} and Elvira, {V. D.} and R. Engelmann and S. Eno and G. Eppley and P. Ermolov and Eroshin, {O. V.} and J. Estrada and H. Evans and Evdokimov, {V. N.} and D. Fein and T. Ferbel and F. Filthaut and Fisk, {H. E.} and F. Fleuret and M. Fortner and H. Fox and S. Fu and S. Fuess and E. Gallas and Galyaev, {A. N.} and M. Gao and V. Gavrilov and Genik, {R. J.} and K. Genser and Gerber, {C. E.} and Y. Gershtein and G. Ginther and B. G{\'o}mez and Goncharov, {P. I.} and H. Gordon and K. Gounder and A. Goussiou and N. Graf and Grannis, {P. D.} and Green, {J. A.} and H. Greenlee and Greenwood, {Z. D.} and S. Grinstein and L. Groer and S. Gr{\"u}nendahl and Gurzhiev, {S. N.} and G. Gutierrez and P. Gutierrez and Hadley, {N. J.} and H. Haggerty and S. Hagopian and V. Hagopian and Hall, {R. E.} and C. Han and S. Hansen and Hauptman, {J. M.} and C. Hebert and D. Hedin and Heinmiller, {J. M.} and Heinson, {A. P.} and U. Heintz and Hildreth, {M. D.} and R. Hirosky and Hobbs, {J. D.} and B. Hoeneisen and J. Huang and Y. Huang and I. Iashvili and R. Illingworth and Ito, {A. S.} and M. Jaffr{\'e} and S. Jain and R. Jesik and K. Johns and M. Johnson and A. Jonckheere and H. J{\"o}stlein and A. Juste and W. Kahl and S. Kahn and E. Kajfasz and Kalinin, {A. M.} and D. Karmanov and D. Karmgard and R. Kehoe and A. Khanov and A. Kharchilava and B. Klima and Kohli, {J. M.} and Kostritskiy, {A. V.} and J. Kotcher and B. Kothari and Kozelov, {A. V.} and Kozlovsky, {E. A.} and J. Krane and Krishnaswamy, {M. R.} and P. Krivkova and S. Krzywdzinski and M. Kubantsev and S. Kuleshov and Y. Kulik and S. Kunori and A. Kupco and Kuznetsov, {V. E.} and G. Landsberg and Lee, {W. M.} and A. Leflat and F. Lehner and C. Leonidopoulos and J. Li and Li, {Q. Z.} and Lima, {J. G R} and D. Lincoln and Linn, {S. L.} and J. Linnemann and R. Lipton and A. Lucotte and L. Lueking and C. Lundstedt and C. Luo and Maciel, {A. K A} and Madaras, {R. J.} and Malyshev, {V. L.} and V. Manankov and Mao, {H. S.} and T. Marshall and Martin, {M. I.} and K. Mauritz and Mayorov, {A. A.} and R. McCarthy and T. McMahon and Melanson, {H. L.} and M. Merkin and Merritt, {K. W.} and C. Miao and H. Miettinen and D. Mihalcea and N. Mokhov and Mondal, {N. K.} and Montgomery, {H. E.} and Moore, {R. W.} and Mutaf, {Y. D.} and E. Nagy and F. Nang and M. Narain and Narasimham, {V. S.} and Naumann, {N. A.} and Neal, {H. A.} and Negret, {J. P.} and A. Nomerotski and T. Nunnemann and D. O'Neil and V. Oguri and B. Olivier and N. Oshima and P. Padley and K. Papageorgiou and N. Parashar and R. Partridge and N. Parua and A. Patwa and O. Peters and P. P{\'e}troff and R. Piegaia and Pope, {B. G.} and Prosper, {H. B.} and S. Protopopescu and Przybycien, {M. B.} and J. Qian and R. Raja and S. Rajagopalan and Rapidis, {P. A.} and Reay, {N. W.} and S. Reucroft and M. Ridel and M. Rijssenbeek and F. Rizatdinova and T. Rockwell and C. Royon and P. Rubinov and R. Ruchti and Sabirov, {B. M.} and G. Sajot and A. Santoro and L. Sawyer and Schamberger, {R. D.} and H. Schellman and A. Schwartzman and E. Shabalina and Shivpuri, {R. K.} and D. Shpakov and M. Shupe and Sidwell, {R. A.} and V. Simak and V. Sirotenko and P. Slattery and Smith, {R. P.} and Snow, {G. R.} and J. Snow and S. Snyder and J. Solomon and Y. Song and V. Sor{\'i}n and M. Sosebee and N. Sotnikova and K. Soustruznik and M. Souza and Stanton, {N. R.} and G. Steinbr{\"u}ck and D. Stoker and V. Stolin and A. Stone and Stoyanova, {D. A.} and Strang, {M. A.} and M. Strauss and M. Strovink and L. Stutte and A. Sznajder and M. Talby and W. Taylor and S. Tentindo-Repond and Tripathi, {S. M.} and Trippe, {T. G.} and Turcot, {A. S.} and Tuts, {P. M.} and {Van Kooten}, R. and V. Vaniev and N. Varelas and F. Villeneuve-Seguier and Volkov, {A. A.} and Vorobiev, {A. P.} and Wahl, {H. D.} and Wang, {Z. M.} and J. Warchol and G. Watts and M. Wayne and H. Weerts and A. White and D. Whiteson and Wijngaarden, {D. A.} and S. Willis and Wimpenny, {S. J.} and J. Womersley and Wood, {D. R.} and Q. Xu and R. Yamada and P. Yamin and T. Yasuda and Yatsunenko, {Y. A.} and K. Yip and J. Yu and M. Zanabria and X. Zhang and H. Zheng and B. Zhou and Z. Zhou and M. Zielinski and D. Zieminska and A. Zieminski and V. Zutshi and Zverev, {E. G.} and A. Zylberstejn",
year = "2003",
month = "11",
day = "13",
doi = "10.1016/j.physletb.2003.09.001",
language = "English",
volume = "574",
pages = "169--179",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier",
number = "3-4",

}

TY - JOUR

T1 - Observation of diffractively produced W and Z bosons in p̄p collisions at √s = 1800 GeV

AU - Abazov, V. M.

AU - Abbott, B.

AU - Abdesselam, A.

AU - Abolins, M.

AU - Abramov, V.

AU - Acharya, B. S.

AU - Adams, D. L.

AU - Adams, M.

AU - Ahmed, S. N.

AU - Alexeev, G. D.

AU - Alton, A.

AU - Alves, G. A.

AU - Anderson, E. W.

AU - Arnoud, Y.

AU - Avila, C.

AU - Babintsev, V. V.

AU - Babukhadia, L.

AU - Bacon, T. C.

AU - Baden, A.

AU - Baffioni, S.

AU - Baldin, B.

AU - Balm, P. W.

AU - Banerjee, S.

AU - Barberis, E.

AU - Baringer, P.

AU - Barreto, J.

AU - Bartlett, J. F.

AU - Bassler, U.

AU - Bauer, D.

AU - Bean, A.

AU - Beaudette, F.

AU - Begel, M.

AU - Belyaev, A.

AU - Beri, S. B.

AU - Bernardi, G.

AU - Bertram, I.

AU - Besson, A.

AU - Beuselinck, R.

AU - Bezzubov, V. A.

AU - Bhat, P. C.

AU - Bhatnagar, V.

AU - Bhattacharjee, M.

AU - Blazey, G.

AU - Blekman, F.

AU - Blessing, S.

AU - Boehnlein, A.

AU - Bojko, N. I.

AU - Bolton, T. A.

AU - Borcherding, F.

AU - Bos, K.

AU - Bose, T.

AU - Brandt, A.

AU - Briskin, G.

AU - Brock, R.

AU - Brooijmans, G.

AU - Bross, A.

AU - Buchholz, D.

AU - Buehler, M.

AU - Buescher, V.

AU - Burtovoi, V. S.

AU - Butler, J. M.

AU - Canelli, F.

AU - Carvalho, W.

AU - Casey, D.

AU - Castilla-Valdez, H.

AU - Chakraborty, D.

AU - Chan, K. M.

AU - Chekulaev, S. V.

AU - Cho, D. K.

AU - Choi, Suyong

AU - Chopra, S.

AU - Claes, D.

AU - Clark, A. R.

AU - Coney, L.

AU - Connolly, B.

AU - Cooper, W. E.

AU - Coppage, D.

AU - Crépé-Renaudin, S.

AU - Cummings, M. A C

AU - Cutts, D.

AU - da Motta, H.

AU - Davis, G. A.

AU - De, K.

AU - de Jong, S. J.

AU - Demarteau, M.

AU - Demina, R.

AU - Demine, P.

AU - Denisov, D.

AU - Denisov, S. P.

AU - Desai, S.

AU - Diehl, H. T.

AU - Diesburg, M.

AU - Doulas, S.

AU - Dudko, L. V.

AU - Duensing, S.

AU - Duflot, L.

AU - Dugad, S. R.

AU - Duperrin, A.

AU - Dyshkant, A.

AU - Edmunds, D.

AU - Ellison, J.

AU - Eltzroth, J. T.

AU - Elvira, V. D.

AU - Engelmann, R.

AU - Eno, S.

AU - Eppley, G.

AU - Ermolov, P.

AU - Eroshin, O. V.

AU - Estrada, J.

AU - Evans, H.

AU - Evdokimov, V. N.

AU - Fein, D.

AU - Ferbel, T.

AU - Filthaut, F.

AU - Fisk, H. E.

AU - Fleuret, F.

AU - Fortner, M.

AU - Fox, H.

AU - Fu, S.

AU - Fuess, S.

AU - Gallas, E.

AU - Galyaev, A. N.

AU - Gao, M.

AU - Gavrilov, V.

AU - Genik, R. J.

AU - Genser, K.

AU - Gerber, C. E.

AU - Gershtein, Y.

AU - Ginther, G.

AU - Gómez, B.

AU - Goncharov, P. I.

AU - Gordon, H.

AU - Gounder, K.

AU - Goussiou, A.

AU - Graf, N.

AU - Grannis, P. D.

AU - Green, J. A.

AU - Greenlee, H.

AU - Greenwood, Z. D.

AU - Grinstein, S.

AU - Groer, L.

AU - Grünendahl, S.

AU - Gurzhiev, S. N.

AU - Gutierrez, G.

AU - Gutierrez, P.

AU - Hadley, N. J.

AU - Haggerty, H.

AU - Hagopian, S.

AU - Hagopian, V.

AU - Hall, R. E.

AU - Han, C.

AU - Hansen, S.

AU - Hauptman, J. M.

AU - Hebert, C.

AU - Hedin, D.

AU - Heinmiller, J. M.

AU - Heinson, A. P.

AU - Heintz, U.

AU - Hildreth, M. D.

AU - Hirosky, R.

AU - Hobbs, J. D.

AU - Hoeneisen, B.

AU - Huang, J.

AU - Huang, Y.

AU - Iashvili, I.

AU - Illingworth, R.

AU - Ito, A. S.

AU - Jaffré, M.

AU - Jain, S.

AU - Jesik, R.

AU - Johns, K.

AU - Johnson, M.

AU - Jonckheere, A.

AU - Jöstlein, H.

AU - Juste, A.

AU - Kahl, W.

AU - Kahn, S.

AU - Kajfasz, E.

AU - Kalinin, A. M.

AU - Karmanov, D.

AU - Karmgard, D.

AU - Kehoe, R.

AU - Khanov, A.

AU - Kharchilava, A.

AU - Klima, B.

AU - Kohli, J. M.

AU - Kostritskiy, A. V.

AU - Kotcher, J.

AU - Kothari, B.

AU - Kozelov, A. V.

AU - Kozlovsky, E. A.

AU - Krane, J.

AU - Krishnaswamy, M. R.

AU - Krivkova, P.

AU - Krzywdzinski, S.

AU - Kubantsev, M.

AU - Kuleshov, S.

AU - Kulik, Y.

AU - Kunori, S.

AU - Kupco, A.

AU - Kuznetsov, V. E.

AU - Landsberg, G.

AU - Lee, W. M.

AU - Leflat, A.

AU - Lehner, F.

AU - Leonidopoulos, C.

AU - Li, J.

AU - Li, Q. Z.

AU - Lima, J. G R

AU - Lincoln, D.

AU - Linn, S. L.

AU - Linnemann, J.

AU - Lipton, R.

AU - Lucotte, A.

AU - Lueking, L.

AU - Lundstedt, C.

AU - Luo, C.

AU - Maciel, A. K A

AU - Madaras, R. J.

AU - Malyshev, V. L.

AU - Manankov, V.

AU - Mao, H. S.

AU - Marshall, T.

AU - Martin, M. I.

AU - Mauritz, K.

AU - Mayorov, A. A.

AU - McCarthy, R.

AU - McMahon, T.

AU - Melanson, H. L.

AU - Merkin, M.

AU - Merritt, K. W.

AU - Miao, C.

AU - Miettinen, H.

AU - Mihalcea, D.

AU - Mokhov, N.

AU - Mondal, N. K.

AU - Montgomery, H. E.

AU - Moore, R. W.

AU - Mutaf, Y. D.

AU - Nagy, E.

AU - Nang, F.

AU - Narain, M.

AU - Narasimham, V. S.

AU - Naumann, N. A.

AU - Neal, H. A.

AU - Negret, J. P.

AU - Nomerotski, A.

AU - Nunnemann, T.

AU - O'Neil, D.

AU - Oguri, V.

AU - Olivier, B.

AU - Oshima, N.

AU - Padley, P.

AU - Papageorgiou, K.

AU - Parashar, N.

AU - Partridge, R.

AU - Parua, N.

AU - Patwa, A.

AU - Peters, O.

AU - Pétroff, P.

AU - Piegaia, R.

AU - Pope, B. G.

AU - Prosper, H. B.

AU - Protopopescu, S.

AU - Przybycien, M. B.

AU - Qian, J.

AU - Raja, R.

AU - Rajagopalan, S.

AU - Rapidis, P. A.

AU - Reay, N. W.

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PY - 2003/11/13

Y1 - 2003/11/13

N2 - Using the DØ detector, we have observed events produced in p̄p collisions that contain W or Z bosons in conjunction with very little energy deposition ("rapidity gaps") in large forward regions of the detector. The fraction of W boson events with a rapidity gap (a signature for diffraction) is 0.89±0.17 0.19%, and the probability that the non-diffractive background fluctuated to yield the observed diffractive signal is 3 × 10-14, corresponding to a significance of 7.5σ. The Z boson sample has a gap fraction of 1.44±0.52 0.61% with a significance of 4.4σ. The diffractive events have very similar properties to the more common non-diffractive component.

AB - Using the DØ detector, we have observed events produced in p̄p collisions that contain W or Z bosons in conjunction with very little energy deposition ("rapidity gaps") in large forward regions of the detector. The fraction of W boson events with a rapidity gap (a signature for diffraction) is 0.89±0.17 0.19%, and the probability that the non-diffractive background fluctuated to yield the observed diffractive signal is 3 × 10-14, corresponding to a significance of 7.5σ. The Z boson sample has a gap fraction of 1.44±0.52 0.61% with a significance of 4.4σ. The diffractive events have very similar properties to the more common non-diffractive component.

UR - http://www.scopus.com/inward/record.url?scp=0242300767&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0242300767&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2003.09.001

DO - 10.1016/j.physletb.2003.09.001

M3 - Article

AN - SCOPUS:0242300767

VL - 574

SP - 169

EP - 179

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

IS - 3-4

ER -