Measurement of Χc2 production in two-photon collisions

K. Abe; K. Abe; R. Abe; T. Abe; I. Adachi; B. S. Ahn; H. Aihara; M. Akatsu; Y. Asano; T. Aso; V. Aulchenko; T. Aushev; A. M. Bakich; Y. Ban; E. Banas; A. Bay; P. K. Behera; A. Bondar; A. Bozek; M. Bračko; J. Brodzicka; B. C.K. Casey; P. Chang; Y. Chao; B. G. Cheon; R. Chistov; S. K. Choi; Y. Choi; M. Danilov; L. Y. Dong; A. Drutskoy; S. Eidelman; V. Eiges; Y. Enari; C. Fukunaga; N. Gabyshev; A. Garmash; T. Gershon; R. Guo; F. Handa; T. Hara; Y. Harada; H. Hayashii; M. Hazumi; E. M. Heenan; I. Higuchi; T. Hojo; T. Hokuue; Y. Hoshi; K. Hoshina; S. R. Hou; W. S. Hou; H. C. Huang; T. Igaki; Y. Igarashi; K. Inami; A. Ishikawa; R. Itoh; M. Iwamoto; H. Iwasaki; Y. Iwasaki; H. K. Jang; J. Kaneko; J. H. Kang; J. S. Kang; P. Kapusta; S. U. Kataoka; N. Katayama; H. Kawai; Y. Kawakami; N. Kawamura; T. Kawasaki; H. Kichimi; D. W. Kim; H. Kim; H. J. Kim; H. O. Kim; H. Kim; S. K. Kim; T. H. Kim; P. Krokovny; R. Kulasiri; S. Kumar; A. Kuzmin; Y. J. Kwon; G. Leder; S. H. Lee; J. Li; D. Liventsev; R. S. Lu; J. MacNaughton; G. Majumder; F. Mandl; S. Matsumoto; T. Matsumoto; K. Miyabayashi; H. Miyake; H. Miyata; G. R. Moloney; T. Mori; T. Nagamine; Y. Nagasaka; E. Nakano; M. Nakao; J. W. Nam; Z. Natkaniec; K. Neichi; S. Nishida; O. Nitoh; S. Noguchi; T. Nozaki; S. Ogawa; F. Ohno; T. Ohshima; T. Okabe; S. Okuno; S. L. Olsen; Y. Onuki; W. Ostrowicz; H. Ozaki; P. Pakhlov; H. Palka; C. W. Park; H. Park; K. S. Park; L. S. Peak; J. P. Perroud; M. Peters; L. E. Piilonen; N. Root; K. Rybicki; H. Sagawa; S. Saitoh; Y. Sakai; M. Satapathy; O. Schneider; S. Schrenk; C. Schwanda; S. Semenov; K. Senyo; R. Seuster; M. E. Sevior; H. Shibuya; B. Shwartz; V. Sidorov; J. B. Singh; S. Stanic; M. Staric; A. Sugiyama; K. Sumisawa; T. Sumiyoshi; S. Suzuki; S. K. Swain; T. Takahashi; F. Takasaki; K. Tamai; N. Tamura; M. Tanaka; G. N. Taylor; Y. Teramoto; S. Tokuda; T. Tomura; S. N. Tovey; T. Tsuboyama; T. Tsukamoto; S. Uehara; K. Ueno; S. Uno; S. E. Vahsen; G. Varner; K. E. Varvell; C. C. Wang; C. H. Wang; J. G. Wang; M. Z. Wang; Y. Watanabe; E. Won; B. D. Yabsley; Y. Yamada; A. Yamaguchi; Y. Yamashita; M. Yamauchi; H. Yanai; J. Yashima; Y. Yuan; Y. Yusa; J. Zhang; Z. P. Zhang; V. Zhilich; D. Žontar

doi:10.1016/S0370-2693(02)02104-4

Measurement of Χ_c2 production in two-photon collisions

K. Abe, K. Abe, R. Abe, T. Abe, I. Adachi, B. S. Ahn, H. Aihara, M. Akatsu, Y. Asano, T. Aso, V. Aulchenko, T. Aushev, A. M. Bakich, Y. Ban, E. Banas, A. Bay, P. K. Behera, A. Bondar, A. Bozek, M. BračkoJ. Brodzicka, B. C.K. Casey, P. Chang, Y. Chao, B. G. Cheon, R. Chistov, S. K. Choi, Y. Choi, M. Danilov, L. Y. Dong, A. Drutskoy, S. Eidelman, V. Eiges, Y. Enari, C. Fukunaga, N. Gabyshev, A. Garmash, T. Gershon, R. Guo, F. Handa, T. Hara, Y. Harada, H. Hayashii, M. Hazumi, E. M. Heenan, I. Higuchi, T. Hojo, T. Hokuue, Y. Hoshi, K. Hoshina, S. R. Hou, W. S. Hou, H. C. Huang, T. Igaki, Y. Igarashi, K. Inami, A. Ishikawa, R. Itoh, M. Iwamoto, H. Iwasaki, Y. Iwasaki, H. K. Jang, J. Kaneko, J. H. Kang, J. S. Kang, P. Kapusta, S. U. Kataoka, N. Katayama, H. Kawai, Y. Kawakami, N. Kawamura, T. Kawasaki, H. Kichimi, D. W. Kim, H. Kim, H. J. Kim, H. O. Kim, H. Kim, S. K. Kim, T. H. Kim, P. Krokovny, R. Kulasiri, S. Kumar, A. Kuzmin, Y. J. Kwon, G. Leder, S. H. Lee, J. Li, D. Liventsev, R. S. Lu, J. MacNaughton, G. Majumder, F. Mandl, S. Matsumoto, T. Matsumoto, K. Miyabayashi, H. Miyake, H. Miyata, G. R. Moloney, T. Mori, T. Nagamine, Y. Nagasaka, E. Nakano, M. Nakao, J. W. Nam, Z. Natkaniec, K. Neichi, S. Nishida, O. Nitoh, S. Noguchi, T. Nozaki, S. Ogawa, F. Ohno, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, Y. Onuki, W. Ostrowicz, H. Ozaki, P. Pakhlov, H. Palka, C. W. Park, H. Park, K. S. Park, L. S. Peak, J. P. Perroud, M. Peters, L. E. Piilonen, N. Root, K. Rybicki, H. Sagawa, S. Saitoh, Y. Sakai, M. Satapathy, O. Schneider, S. Schrenk, C. Schwanda, S. Semenov, K. Senyo, R. Seuster, M. E. Sevior, H. Shibuya, B. Shwartz, V. Sidorov, J. B. Singh, S. Stanic, M. Staric, A. Sugiyama, K. Sumisawa, T. Sumiyoshi, S. Suzuki, S. K. Swain, T. Takahashi, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, G. N. Taylor, Y. Teramoto, S. Tokuda, T. Tomura, S. N. Tovey, T. Tsuboyama, T. Tsukamoto, S. Uehara, K. Ueno, S. Uno, S. E. Vahsen, G. Varner, K. E. Varvell, C. C. Wang, C. H. Wang, J. G. Wang, M. Z. Wang, Y. Watanabe, E. Won, B. D. Yabsley, Y. Yamada, A. Yamaguchi, Y. Yamashita, M. Yamauchi, H. Yanai, J. Yashima, Y. Yuan, Y. Yusa, J. Zhang, Z. P. Zhang, V. Zhilich, D. Žontar

Department of Physics

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

The production of the Χ_c2 charmonium state in two-photon collisions has been measured with the Belle detector at the KEKB e⁺e^- collider. A clear signal for Χ_c2 → γ J / ψ, J / ψ → ℓ⁺ℓ^- is observed in a 32.6 fb^-1 data sample accumulated at center-of-mass energies near 10.6 GeV, and the product of its two-photon decay width and branching fraction is determined to be Λγγ (X_c2)Β(X_c2 → γ J / ψ)Β(J / ψ → ℓ⁺ℓ^-) = 13.5 ±(stat.) ± 1.1(syst.) eV.

Original language	English
Pages (from-to)	33-42
Number of pages	10
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	540
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(02)02104-4
Publication status	Published - 2002 Jul 25

Keywords

Charmonium
Partial decay width
Two-photon collisions
Χ

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Abe, K., Abe, K., Abe, R., Abe, T., Adachi, I., Ahn, B. S., Aihara, H., Akatsu, M., Asano, Y., Aso, T., Aulchenko, V., Aushev, T., Bakich, A. M., Ban, Y., Banas, E., Bay, A., Behera, P. K., Bondar, A., Bozek, A., ... Žontar, D. (2002). Measurement of Χ_c2 production in two-photon collisions. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 540(1-2), 33-42. https://doi.org/10.1016/S0370-2693(02)02104-4

Measurement of Χ_c2 production in two-photon collisions. / Abe, K.; Abe, K.; Abe, R.; Abe, T.; Adachi, I.; Ahn, B. S.; Aihara, H.; Akatsu, M.; Asano, Y.; Aso, T.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Ban, Y.; Banas, E.; Bay, A.; Behera, P. K.; Bondar, A.; Bozek, A.; Bračko, M.; Brodzicka, J.; Casey, B. C.K.; Chang, P.; Chao, Y.; Cheon, B. G.; Chistov, R.; Choi, S. K.; Choi, Y.; Danilov, M.; Dong, L. Y.; Drutskoy, A.; Eidelman, S.; Eiges, V.; Enari, Y.; Fukunaga, C.; Gabyshev, N.; Garmash, A.; Gershon, T.; Guo, R.; Handa, F.; Hara, T.; Harada, Y.; Hayashii, H.; Hazumi, M.; Heenan, E. M.; Higuchi, I.; Hojo, T.; Hokuue, T.; Hoshi, Y.; Hoshina, K.; Hou, S. R.; Hou, W. S.; Huang, H. C.; Igaki, T.; Igarashi, Y.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwamoto, M.; Iwasaki, H.; Iwasaki, Y.; Jang, H. K.; Kaneko, J.; Kang, J. H.; Kang, J. S.; Kapusta, P.; Kataoka, S. U.; Katayama, N.; Kawai, H.; Kawakami, Y.; Kawamura, N.; Kawasaki, T.; Kichimi, H.; Kim, D. W.; Kim, H.; Kim, H. J.; Kim, H. O.; Kim, H.; Kim, S. K.; Kim, T. H.; Krokovny, P.; Kulasiri, R.; Kumar, S.; Kuzmin, A.; Kwon, Y. J.; Leder, G.; Lee, S. H.; Li, J.; Liventsev, D.; Lu, R. S.; MacNaughton, J.; Majumder, G.; Mandl, F.; Matsumoto, S.; Matsumoto, T.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Moloney, G. R.; Mori, T.; Nagamine, T.; Nagasaka, Y.; Nakano, E.; Nakao, M.; Nam, J. W.; Natkaniec, Z.; Neichi, K.; Nishida, S.; Nitoh, O.; Noguchi, S.; Nozaki, T.; Ogawa, S.; Ohno, F.; Ohshima, T.; Okabe, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Ostrowicz, W.; Ozaki, H.; Pakhlov, P.; Palka, H.; Park, C. W.; Park, H.; Park, K. S.; Peak, L. S.; Perroud, J. P.; Peters, M.; Piilonen, L. E.; Root, N.; Rybicki, K.; Sagawa, H.; Saitoh, S.; Sakai, Y.; Satapathy, M.; Schneider, O.; Schrenk, S.; Schwanda, C.; Semenov, S.; Senyo, K.; Seuster, R.; Sevior, M. E.; Shibuya, H.; Shwartz, B.; Sidorov, V.; Singh, J. B.; Stanic, S.; Staric, M.; Sugiyama, A.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S.; Swain, S. K.; Takahashi, T.; Takasaki, F.; Tamai, K.; Tamura, N.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tokuda, S.; Tomura, T.; Tovey, S. N.; Tsuboyama, T.; Tsukamoto, T.; Uehara, S.; Ueno, K.; Uno, S.; Vahsen, S. E.; Varner, G.; Varvell, K. E.; Wang, C. C.; Wang, C. H.; Wang, J. G.; Wang, M. Z.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamada, Y.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Yanai, H.; Yashima, J.; Yuan, Y.; Yusa, Y.; Zhang, J.; Zhang, Z. P.; Zhilich, V.; Žontar, D.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 540, No. 1-2, 25.07.2002, p. 33-42.

Research output: Contribution to journal › Article › peer-review

Abe, K, Abe, K, Abe, R, Abe, T, Adachi, I, Ahn, BS, Aihara, H, Akatsu, M, Asano, Y, Aso, T, Aulchenko, V, Aushev, T, Bakich, AM, Ban, Y, Banas, E, Bay, A, Behera, PK, Bondar, A, Bozek, A, Bračko, M, Brodzicka, J, Casey, BCK, Chang, P, Chao, Y, Cheon, BG, Chistov, R, Choi, SK, Choi, Y, Danilov, M, Dong, LY, Drutskoy, A, Eidelman, S, Eiges, V, Enari, Y, Fukunaga, C, Gabyshev, N, Garmash, A, Gershon, T, Guo, R, Handa, F, Hara, T, Harada, Y, Hayashii, H, Hazumi, M, Heenan, EM, Higuchi, I, Hojo, T, Hokuue, T, Hoshi, Y, Hoshina, K, Hou, SR, Hou, WS, Huang, HC, Igaki, T, Igarashi, Y, Inami, K, Ishikawa, A, Itoh, R, Iwamoto, M, Iwasaki, H, Iwasaki, Y, Jang, HK, Kaneko, J, Kang, JH, Kang, JS, Kapusta, P, Kataoka, SU, Katayama, N, Kawai, H, Kawakami, Y, Kawamura, N, Kawasaki, T, Kichimi, H, Kim, DW, Kim, H, Kim, HJ, Kim, HO, Kim, H, Kim, SK, Kim, TH, Krokovny, P, Kulasiri, R, Kumar, S, Kuzmin, A, Kwon, YJ, Leder, G, Lee, SH, Li, J, Liventsev, D, Lu, RS, MacNaughton, J, Majumder, G, Mandl, F, Matsumoto, S, Matsumoto, T, Miyabayashi, K, Miyake, H, Miyata, H, Moloney, GR, Mori, T, Nagamine, T, Nagasaka, Y, Nakano, E, Nakao, M, Nam, JW, Natkaniec, Z, Neichi, K, Nishida, S, Nitoh, O, Noguchi, S, Nozaki, T, Ogawa, S, Ohno, F, Ohshima, T, Okabe, T, Okuno, S, Olsen, SL, Onuki, Y, Ostrowicz, W, Ozaki, H, Pakhlov, P, Palka, H, Park, CW, Park, H, Park, KS, Peak, LS, Perroud, JP, Peters, M, Piilonen, LE, Root, N, Rybicki, K, Sagawa, H, Saitoh, S, Sakai, Y, Satapathy, M, Schneider, O, Schrenk, S, Schwanda, C, Semenov, S, Senyo, K, Seuster, R, Sevior, ME, Shibuya, H, Shwartz, B, Sidorov, V, Singh, JB, Stanic, S, Staric, M, Sugiyama, A, Sumisawa, K, Sumiyoshi, T, Suzuki, S, Swain, SK, Takahashi, T, Takasaki, F, Tamai, K, Tamura, N, Tanaka, M, Taylor, GN, Teramoto, Y, Tokuda, S, Tomura, T, Tovey, SN, Tsuboyama, T, Tsukamoto, T, Uehara, S, Ueno, K, Uno, S, Vahsen, SE, Varner, G, Varvell, KE, Wang, CC, Wang, CH, Wang, JG, Wang, MZ, Watanabe, Y, Won, E, Yabsley, BD, Yamada, Y, Yamaguchi, A, Yamashita, Y, Yamauchi, M, Yanai, H, Yashima, J, Yuan, Y, Yusa, Y, Zhang, J, Zhang, ZP, Zhilich, V & Žontar, D 2002, 'Measurement of Χ_c2 production in two-photon collisions', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 540, no. 1-2, pp. 33-42. https://doi.org/10.1016/S0370-2693(02)02104-4

Abe, K. ; Abe, K. ; Abe, R. ; Abe, T. ; Adachi, I. ; Ahn, B. S. ; Aihara, H. ; Akatsu, M. ; Asano, Y. ; Aso, T. ; Aulchenko, V. ; Aushev, T. ; Bakich, A. M. ; Ban, Y. ; Banas, E. ; Bay, A. ; Behera, P. K. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Brodzicka, J. ; Casey, B. C.K. ; Chang, P. ; Chao, Y. ; Cheon, B. G. ; Chistov, R. ; Choi, S. K. ; Choi, Y. ; Danilov, M. ; Dong, L. Y. ; Drutskoy, A. ; Eidelman, S. ; Eiges, V. ; Enari, Y. ; Fukunaga, C. ; Gabyshev, N. ; Garmash, A. ; Gershon, T. ; Guo, R. ; Handa, F. ; Hara, T. ; Harada, Y. ; Hayashii, H. ; Hazumi, M. ; Heenan, E. M. ; Higuchi, I. ; Hojo, T. ; Hokuue, T. ; Hoshi, Y. ; Hoshina, K. ; Hou, S. R. ; Hou, W. S. ; Huang, H. C. ; Igaki, T. ; Igarashi, Y. ; Inami, K. ; Ishikawa, A. ; Itoh, R. ; Iwamoto, M. ; Iwasaki, H. ; Iwasaki, Y. ; Jang, H. K. ; Kaneko, J. ; Kang, J. H. ; Kang, J. S. ; Kapusta, P. ; Kataoka, S. U. ; Katayama, N. ; Kawai, H. ; Kawakami, Y. ; Kawamura, N. ; Kawasaki, T. ; Kichimi, H. ; Kim, D. W. ; Kim, H. ; Kim, H. J. ; Kim, H. O. ; Kim, H. ; Kim, S. K. ; Kim, T. H. ; Krokovny, P. ; Kulasiri, R. ; Kumar, S. ; Kuzmin, A. ; Kwon, Y. J. ; Leder, G. ; Lee, S. H. ; Li, J. ; Liventsev, D. ; Lu, R. S. ; MacNaughton, J. ; Majumder, G. ; Mandl, F. ; Matsumoto, S. ; Matsumoto, T. ; Miyabayashi, K. ; Miyake, H. ; Miyata, H. ; Moloney, G. R. ; Mori, T. ; Nagamine, T. ; Nagasaka, Y. ; Nakano, E. ; Nakao, M. ; Nam, J. W. ; Natkaniec, Z. ; Neichi, K. ; Nishida, S. ; Nitoh, O. ; Noguchi, S. ; Nozaki, T. ; Ogawa, S. ; Ohno, F. ; Ohshima, T. ; Okabe, T. ; Okuno, S. ; Olsen, S. L. ; Onuki, Y. ; Ostrowicz, W. ; Ozaki, H. ; Pakhlov, P. ; Palka, H. ; Park, C. W. ; Park, H. ; Park, K. S. ; Peak, L. S. ; Perroud, J. P. ; Peters, M. ; Piilonen, L. E. ; Root, N. ; Rybicki, K. ; Sagawa, H. ; Saitoh, S. ; Sakai, Y. ; Satapathy, M. ; Schneider, O. ; Schrenk, S. ; Schwanda, C. ; Semenov, S. ; Senyo, K. ; Seuster, R. ; Sevior, M. E. ; Shibuya, H. ; Shwartz, B. ; Sidorov, V. ; Singh, J. B. ; Stanic, S. ; Staric, M. ; Sugiyama, A. ; Sumisawa, K. ; Sumiyoshi, T. ; Suzuki, S. ; Swain, S. K. ; Takahashi, T. ; Takasaki, F. ; Tamai, K. ; Tamura, N. ; Tanaka, M. ; Taylor, G. N. ; Teramoto, Y. ; Tokuda, S. ; Tomura, T. ; Tovey, S. N. ; Tsuboyama, T. ; Tsukamoto, T. ; Uehara, S. ; Ueno, K. ; Uno, S. ; Vahsen, S. E. ; Varner, G. ; Varvell, K. E. ; Wang, C. C. ; Wang, C. H. ; Wang, J. G. ; Wang, M. Z. ; Watanabe, Y. ; Won, E. ; Yabsley, B. D. ; Yamada, Y. ; Yamaguchi, A. ; Yamashita, Y. ; Yamauchi, M. ; Yanai, H. ; Yashima, J. ; Yuan, Y. ; Yusa, Y. ; Zhang, J. ; Zhang, Z. P. ; Zhilich, V. ; Žontar, D. / Measurement of Χ_c2 production in two-photon collisions. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2002 ; Vol. 540, No. 1-2. pp. 33-42.

@article{84737bfff9584c08b209c7731f075c4d,

title = "Measurement of Χc2 production in two-photon collisions",

abstract = "The production of the Χc2 charmonium state in two-photon collisions has been measured with the Belle detector at the KEKB e+e- collider. A clear signal for Χc2 → γ J / ψ, J / ψ → ℓ+ℓ- is observed in a 32.6 fb-1 data sample accumulated at center-of-mass energies near 10.6 GeV, and the product of its two-photon decay width and branching fraction is determined to be Λγγ (Xc2)Β(Xc2 → γ J / ψ)Β(J / ψ → ℓ+ℓ-) = 13.5 ±(stat.) ± 1.1(syst.) eV.",

keywords = "Charmonium, Partial decay width, Two-photon collisions, Χ",

author = "K. Abe and K. Abe and R. Abe and T. Abe and I. Adachi and Ahn, {B. S.} and H. Aihara and M. Akatsu and Y. Asano and T. Aso and V. Aulchenko and T. Aushev and Bakich, {A. M.} and Y. Ban and E. Banas and A. Bay and Behera, {P. K.} and A. Bondar and A. Bozek and M. Bra{\v c}ko and J. Brodzicka and Casey, {B. C.K.} and P. Chang and Y. Chao and Cheon, {B. G.} and R. Chistov and Choi, {S. K.} and Y. Choi and M. Danilov and Dong, {L. Y.} and A. Drutskoy and S. Eidelman and V. Eiges and Y. Enari and C. Fukunaga and N. Gabyshev and A. Garmash and T. Gershon and R. Guo and F. Handa and T. Hara and Y. Harada and H. Hayashii and M. Hazumi and Heenan, {E. M.} and I. Higuchi and T. Hojo and T. Hokuue and Y. Hoshi and K. Hoshina and Hou, {S. R.} and Hou, {W. S.} and Huang, {H. C.} and T. Igaki and Y. Igarashi and K. Inami and A. Ishikawa and R. Itoh and M. Iwamoto and H. Iwasaki and Y. Iwasaki and Jang, {H. K.} and J. Kaneko and Kang, {J. H.} and Kang, {J. S.} and P. Kapusta and Kataoka, {S. U.} and N. Katayama and H. Kawai and Y. Kawakami and N. Kawamura and T. Kawasaki and H. Kichimi and Kim, {D. W.} and H. Kim and Kim, {H. J.} and Kim, {H. O.} and H. Kim and Kim, {S. K.} and Kim, {T. H.} and P. Krokovny and R. Kulasiri and S. Kumar and A. Kuzmin and Kwon, {Y. J.} and G. Leder and Lee, {S. H.} and J. Li and D. Liventsev and Lu, {R. S.} and J. MacNaughton and G. Majumder and F. Mandl and S. Matsumoto and T. Matsumoto and K. Miyabayashi and H. Miyake and H. Miyata and Moloney, {G. R.} and T. Mori and T. Nagamine and Y. Nagasaka and E. Nakano and M. Nakao and Nam, {J. W.} and Z. Natkaniec and K. Neichi and S. Nishida and O. Nitoh and S. Noguchi and T. Nozaki and S. Ogawa and F. Ohno and T. Ohshima and T. Okabe and S. Okuno and Olsen, {S. L.} and Y. Onuki and W. Ostrowicz and H. Ozaki and P. Pakhlov and H. Palka and Park, {C. W.} and H. Park and Park, {K. S.} and Peak, {L. S.} and Perroud, {J. P.} and M. Peters and Piilonen, {L. E.} and N. Root and K. Rybicki and H. Sagawa and S. Saitoh and Y. Sakai and M. Satapathy and O. Schneider and S. Schrenk and C. Schwanda and S. Semenov and K. Senyo and R. Seuster and Sevior, {M. E.} and H. Shibuya and B. Shwartz and V. Sidorov and Singh, {J. B.} and S. Stanic and M. Staric and A. Sugiyama and K. Sumisawa and T. Sumiyoshi and S. Suzuki and Swain, {S. K.} and T. Takahashi and F. Takasaki and K. Tamai and N. Tamura and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and S. Tokuda and T. Tomura and Tovey, {S. N.} and T. Tsuboyama and T. Tsukamoto and S. Uehara and K. Ueno and S. Uno and Vahsen, {S. E.} and G. Varner and Varvell, {K. E.} and Wang, {C. C.} and Wang, {C. H.} and Wang, {J. G.} and Wang, {M. Z.} and Y. Watanabe and E. Won and Yabsley, {B. D.} and Y. Yamada and A. Yamaguchi and Y. Yamashita and M. Yamauchi and H. Yanai and J. Yashima and Y. Yuan and Y. Yusa and J. Zhang and Zhang, {Z. P.} and V. Zhilich and D. {\v Z}ontar",

note = "Funding Information: We wish to thank the KEKB Accelerator Group for the excellent operation of the KEKB accelerator. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology of Japan and the Japan Society for the Promotion of Science; the Australian Research Council and the Australian Department of Industry, Science and Resources; the National Science Foundation of China under contract No. 10175071; the Department of Science and Technology of India; the BK21 program of the Ministry of Education of Korea and the CHEP SRC program of the Korea Science and Engineering Foundation; the Polish State Committee for Scientific Research under contract No. 2P03B 17017; the Ministry of Science and Technology of the Russian Federation; the Ministry of Education, Science and Sport of the Republic of Slovenia; the National Science Council and the Ministry of Education of Taiwan; and the US Department of Energy. ",

year = "2002",

month = jul,

day = "25",

doi = "10.1016/S0370-2693(02)02104-4",

language = "English",

volume = "540",

pages = "33--42",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "1-2",

}

TY - JOUR

T1 - Measurement of Χc2 production in two-photon collisions

AU - Abe, K.

AU - Abe, R.

AU - Abe, T.

AU - Adachi, I.

AU - Ahn, B. S.

AU - Aihara, H.

AU - Akatsu, M.

AU - Asano, Y.

AU - Aso, T.

AU - Aulchenko, V.

AU - Aushev, T.

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N1 - Funding Information: We wish to thank the KEKB Accelerator Group for the excellent operation of the KEKB accelerator. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology of Japan and the Japan Society for the Promotion of Science; the Australian Research Council and the Australian Department of Industry, Science and Resources; the National Science Foundation of China under contract No. 10175071; the Department of Science and Technology of India; the BK21 program of the Ministry of Education of Korea and the CHEP SRC program of the Korea Science and Engineering Foundation; the Polish State Committee for Scientific Research under contract No. 2P03B 17017; the Ministry of Science and Technology of the Russian Federation; the Ministry of Education, Science and Sport of the Republic of Slovenia; the National Science Council and the Ministry of Education of Taiwan; and the US Department of Energy.

PY - 2002/7/25

Y1 - 2002/7/25

N2 - The production of the Χc2 charmonium state in two-photon collisions has been measured with the Belle detector at the KEKB e+e- collider. A clear signal for Χc2 → γ J / ψ, J / ψ → ℓ+ℓ- is observed in a 32.6 fb-1 data sample accumulated at center-of-mass energies near 10.6 GeV, and the product of its two-photon decay width and branching fraction is determined to be Λγγ (Xc2)Β(Xc2 → γ J / ψ)Β(J / ψ → ℓ+ℓ-) = 13.5 ±(stat.) ± 1.1(syst.) eV.

AB - The production of the Χc2 charmonium state in two-photon collisions has been measured with the Belle detector at the KEKB e+e- collider. A clear signal for Χc2 → γ J / ψ, J / ψ → ℓ+ℓ- is observed in a 32.6 fb-1 data sample accumulated at center-of-mass energies near 10.6 GeV, and the product of its two-photon decay width and branching fraction is determined to be Λγγ (Xc2)Β(Xc2 → γ J / ψ)Β(J / ψ → ℓ+ℓ-) = 13.5 ±(stat.) ± 1.1(syst.) eV.

KW - Charmonium

KW - Partial decay width

KW - Two-photon collisions

KW - Χ

UR - http://www.scopus.com/inward/record.url?scp=0037173444&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0037173444&partnerID=8YFLogxK

U2 - 10.1016/S0370-2693(02)02104-4

DO - 10.1016/S0370-2693(02)02104-4

M3 - Article

AN - SCOPUS:0037173444

VL - 540

SP - 33

EP - 42

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 - 1-2

ER -