Measurement of ηη production in two-photon collisions

S. Uehara; Y. Watanabe; H. Nakazawa; I. Adachi; H. Aihara; K. Arinstein; T. Aushev; A. M. Bakich; V. Balagura; E. Barberio; A. Bay; K. Belous; M. Bischofberger; A. Bondar; G. Bonvicini; A. Bozek; M. Bračko; T. E. Browder; P. Chang; Y. Chao; A. Chen; P. Chen; B. G. Cheon; I. S. Cho; Y. Choi; J. Dalseno; Z. Doležal; A. Drutskoy; S. Eidelman; P. Goldenzweig; H. Ha; J. Haba; K. Hayasaka; H. Hayashii; Y. Horii; Y. Hoshi; W. S. Hou; Y. B. Hsiung; H. J. Hyun; R. Itoh; M. Iwabuchi; M. Iwasaki; Y. Iwasaki; T. Julius; D. H. Kah; J. H. Kang; P. Kapusta; H. Kawai; T. Kawasaki; H. Kichimi; H. J. Kim; H. O. Kim; J. H. Kim; M. J. Kim; B. R. Ko; P. Kody; S. Korpar; P. Križan; P. Krokovny; Y. J. Kwon; S. H. Kyeong; J. S. Lange; M. J. Lee; S. H. Lee; Y. Liu; D. Liventsev; R. Louvot; A. Matyja; S. McOnie; K. Miyabayashi; H. Miyata; Y. Miyazaki; R. Mizuk; G. B. Mohanty; T. Mori; E. Nakano; M. Nakao; Z. Natkaniec; S. Nishida; K. Nishimura; O. Nitoh; S. Ogawa; T. Ohshima; S. Okuno; S. L. Olsen; C. W. Park; H. Park; H. K. Park; R. Pestotnik; M. Petrič; L. E. Piilonen; A. Poluektov; S. Ryu; H. Sahoo; Y. Sakai; O. Schneider; C. Schwanda; K. Senyo; M. E. Sevior; M. Shapkin; C. P. Shen; J. G. Shiu; B. Shwartz; F. Simon; P. Smerkol; A. Sokolov; E. Solovieva; S. Stanič; M. Starič; T. Sumiyoshi; Y. Teramoto; T. Uglov; Y. Unno; S. Uno; G. Varner; K. Vervink; C. H. Wang; P. Wang; X. L. Wang; R. Wedd; E. Won; Y. Yamashita; Z. P. Zhang; V. Zhilich; P. Zhou; T. Zivko; A. Zupanc

doi:10.1103/PhysRevD.82.114031

Measurement of ηη production in two-photon collisions

S. Uehara, Y. Watanabe, H. Nakazawa, I. Adachi, H. Aihara, K. Arinstein, T. Aushev, A. M. Bakich, V. Balagura, E. Barberio, A. Bay, K. Belous, M. Bischofberger, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, P. Chang, Y. ChaoA. Chen, P. Chen, B. G. Cheon, I. S. Cho, Y. Choi, J. Dalseno, Z. Doležal, A. Drutskoy, S. Eidelman, P. Goldenzweig, H. Ha, J. Haba, K. Hayasaka, H. Hayashii, Y. Horii, Y. Hoshi, W. S. Hou, Y. B. Hsiung, H. J. Hyun, R. Itoh, M. Iwabuchi, M. Iwasaki, Y. Iwasaki, T. Julius, D. H. Kah, J. H. Kang, P. Kapusta, H. Kawai, T. Kawasaki, H. Kichimi, H. J. Kim, H. O. Kim, J. H. Kim, M. J. Kim, B. R. Ko, P. Kody, S. Korpar, P. Križan, P. Krokovny, Y. J. Kwon, S. H. Kyeong, J. S. Lange, M. J. Lee, S. H. Lee, Y. Liu, D. Liventsev, R. Louvot, A. Matyja, S. McOnie, K. Miyabayashi, H. Miyata, Y. Miyazaki, R. Mizuk, G. B. Mohanty, T. Mori, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, K. Nishimura, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, C. W. Park, H. Park, H. K. Park, R. Pestotnik, M. Petrič, L. E. Piilonen, A. Poluektov, S. Ryu, H. Sahoo, Y. Sakai, O. Schneider, C. Schwanda, K. Senyo, M. E. Sevior, M. Shapkin, C. P. Shen, J. G. Shiu, B. Shwartz, F. Simon, P. Smerkol, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, T. Sumiyoshi, Y. Teramoto, T. Uglov, Y. Unno, S. Uno, G. Varner, K. Vervink, C. H. Wang, P. Wang, X. L. Wang, R. Wedd, E. Won, Y. Yamashita, Z. P. Zhang, V. Zhilich, P. Zhou, T. Zivko, A. Zupanc

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Abstract

We report the first measurement of the differential cross section for the process γγ→ηη in the kinematic range above the ηη threshold, 1.096GeV<W<3.8GeV over nearly the entire solid angle range, |cosθ⊃*|≤0.9 or ≤1.0 depending on W, where W and θ⊃* are the energy and η scattering angle, respectively, in the γγ center-of-mass system. The results are based on a 393fb⊃-1 data sample collected with the Belle detector at the KEKB e⊃+e⊃- collider. In the W range 1.1-2.0GeV/c2 we perform an analysis of resonance amplitudes for various partial waves, and at higher energy we compare the energy and the angular dependences of the cross section with predictions of theoretical models and extract contributions of the χ_cJ charmonia.

Original language	English
Article number	114031
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	82
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevD.82.114031
State	Published - 30 Dec 2010

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10.1103/PhysRevD.82.114031

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Uehara, S., Watanabe, Y., Nakazawa, H., Adachi, I., Aihara, H., Arinstein, K., Aushev, T., Bakich, A. M., Balagura, V., Barberio, E., Bay, A., Belous, K., Bischofberger, M., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Chang, P., ... Zupanc, A. (2010). Measurement of ηη production in two-photon collisions. Physical Review D - Particles, Fields, Gravitation and Cosmology, 82(11), Article 114031. https://doi.org/10.1103/PhysRevD.82.114031

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

abstract = "We report the first measurement of the differential cross section for the process γγ→ηη in the kinematic range above the ηη threshold, 1.096GeVcJ charmonia.",

author = "S. Uehara and Y. Watanabe and H. Nakazawa and I. Adachi and H. Aihara and K. Arinstein and T. Aushev and Bakich, {A. M.} and V. Balagura and E. Barberio and A. Bay and K. Belous and M. Bischofberger and A. Bondar and G. Bonvicini and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and P. Chang and Y. Chao and A. Chen and P. Chen and Cheon, {B. G.} and Cho, {I. S.} and Y. Choi and J. Dalseno and Z. Dole{\v z}al and A. Drutskoy and S. Eidelman and P. Goldenzweig and H. Ha and J. Haba and K. Hayasaka and H. Hayashii and Y. Horii and Y. Hoshi and Hou, {W. S.} and Hsiung, {Y. B.} and Hyun, {H. J.} and R. Itoh and M. Iwabuchi and M. Iwasaki and Y. Iwasaki and T. Julius and Kah, {D. H.} and Kang, {J. H.} and P. Kapusta and H. Kawai and T. Kawasaki and H. Kichimi and Kim, {H. J.} and Kim, {H. O.} and Kim, {J. H.} and Kim, {M. J.} and Ko, {B. R.} and P. Kody and S. Korpar and P. Kri{\v z}an and P. Krokovny and Kwon, {Y. J.} and Kyeong, {S. H.} and Lange, {J. S.} and Lee, {M. J.} and Lee, {S. H.} and Y. Liu and D. Liventsev and R. Louvot and A. Matyja and S. McOnie and K. Miyabayashi and H. Miyata and Y. Miyazaki and R. Mizuk and Mohanty, {G. B.} and T. Mori and E. Nakano and M. Nakao and Z. Natkaniec and S. Nishida and K. Nishimura and O. Nitoh and S. Ogawa and T. Ohshima and S. Okuno and Olsen, {S. L.} and Park, {C. W.} and H. Park and Park, {H. K.} and R. Pestotnik and M. Petri{\v c} and Piilonen, {L. E.} and A. Poluektov and S. Ryu and H. Sahoo and Y. Sakai and O. Schneider and C. Schwanda and K. Senyo and Sevior, {M. E.} and M. Shapkin and Shen, {C. P.} and Shiu, {J. G.} and B. Shwartz and F. Simon and P. Smerkol and A. Sokolov and E. Solovieva and S. Stani{\v c} and M. Stari{\v c} and T. Sumiyoshi and Y. Teramoto and T. Uglov and Y. Unno and S. Uno and G. Varner and K. Vervink and Wang, {C. H.} and P. Wang and Wang, {X. L.} and R. Wedd and E. Won and Y. Yamashita and Zhang, {Z. P.} and V. Zhilich and P. Zhou and T. Zivko and A. Zupanc",

year = "2010",

month = dec,

day = "30",

doi = "10.1103/PhysRevD.82.114031",

language = "English",

volume = "82",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

issn = "1550-7998",

publisher = "American Physical Society",

number = "11",

}

Uehara, S, Watanabe, Y, Nakazawa, H, Adachi, I, Aihara, H, Arinstein, K, Aushev, T, Bakich, AM, Balagura, V, Barberio, E, Bay, A, Belous, K, Bischofberger, M, Bondar, A, Bonvicini, G, Bozek, A, Bračko, M, Browder, TE, Chang, P, Chao, Y, Chen, A, Chen, P, Cheon, BG, Cho, IS, Choi, Y, Dalseno, J, Doležal, Z, Drutskoy, A, Eidelman, S, Goldenzweig, P, Ha, H, Haba, J, Hayasaka, K, Hayashii, H, Horii, Y, Hoshi, Y, Hou, WS, Hsiung, YB, Hyun, HJ, Itoh, R, Iwabuchi, M, Iwasaki, M, Iwasaki, Y, Julius, T, Kah, DH, Kang, JH, Kapusta, P, Kawai, H, Kawasaki, T, Kichimi, H, Kim, HJ, Kim, HO, Kim, JH, Kim, MJ, Ko, BR, Kody, P, Korpar, S, Križan, P, Krokovny, P, Kwon, YJ, Kyeong, SH, Lange, JS, Lee, MJ, Lee, SH, Liu, Y, Liventsev, D, Louvot, R, Matyja, A, McOnie, S, Miyabayashi, K, Miyata, H, Miyazaki, Y, Mizuk, R, Mohanty, GB, Mori, T, Nakano, E, Nakao, M, Natkaniec, Z, Nishida, S, Nishimura, K, Nitoh, O, Ogawa, S, Ohshima, T, Okuno, S, Olsen, SL, Park, CW, Park, H, Park, HK, Pestotnik, R, Petrič, M, Piilonen, LE, Poluektov, A, Ryu, S, Sahoo, H, Sakai, Y, Schneider, O, Schwanda, C, Senyo, K, Sevior, ME, Shapkin, M, Shen, CP, Shiu, JG, Shwartz, B, Simon, F, Smerkol, P, Sokolov, A, Solovieva, E, Stanič, S, Starič, M, Sumiyoshi, T, Teramoto, Y, Uglov, T, Unno, Y, Uno, S, Varner, G, Vervink, K, Wang, CH, Wang, P, Wang, XL, Wedd, R, Won, E, Yamashita, Y, Zhang, ZP, Zhilich, V, Zhou, P, Zivko, T & Zupanc, A 2010, 'Measurement of ηη production in two-photon collisions', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 82, no. 11, 114031. https://doi.org/10.1103/PhysRevD.82.114031

TY - JOUR

T1 - Measurement of ηη production in two-photon collisions

AU - Uehara, S.

AU - Watanabe, Y.

AU - Nakazawa, H.

AU - Adachi, I.

AU - Aihara, H.

AU - Arinstein, K.

AU - Aushev, T.

AU - Bakich, A. M.

AU - Balagura, V.

AU - Barberio, E.

AU - Bay, A.

AU - Belous, K.

AU - Bischofberger, M.

AU - Bondar, A.

AU - Bonvicini, G.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Chang, P.

AU - Chao, Y.

AU - Chen, A.

AU - Chen, P.

AU - Cheon, B. G.

AU - Cho, I. S.

AU - Choi, Y.

AU - Dalseno, J.

AU - Doležal, Z.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Goldenzweig, P.

AU - Ha, H.

AU - Haba, J.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Horii, Y.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Hsiung, Y. B.

AU - Hyun, H. J.

AU - Itoh, R.

AU - Iwabuchi, M.

AU - Iwasaki, M.

AU - Iwasaki, Y.

AU - Julius, T.

AU - Kah, D. H.

AU - Kang, J. H.

AU - Kapusta, P.

AU - Kawai, H.

AU - Kawasaki, T.

AU - Kichimi, H.

AU - Kim, H. J.

AU - Kim, H. O.

AU - Kim, J. H.

AU - Kim, M. J.

AU - Ko, B. R.

AU - Kody, P.

AU - Korpar, S.

AU - Križan, P.

AU - Krokovny, P.

AU - Kwon, Y. J.

AU - Kyeong, S. H.

AU - Lange, J. S.

AU - Lee, M. J.

AU - Lee, S. H.

AU - Liu, Y.

AU - Liventsev, D.

AU - Louvot, R.

AU - Matyja, A.

AU - McOnie, S.

AU - Miyabayashi, K.

AU - Miyata, H.

AU - Miyazaki, Y.

AU - Mizuk, R.

AU - Mohanty, G. B.

AU - Mori, T.

AU - Nakano, E.

AU - Nakao, M.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Nishimura, K.

AU - Nitoh, O.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Park, C. W.

AU - Park, H.

AU - Park, H. K.

AU - Pestotnik, R.

AU - Petrič, M.

AU - Piilonen, L. E.

AU - Poluektov, A.

AU - Ryu, S.

AU - Sahoo, H.

AU - Sakai, Y.

AU - Schneider, O.

AU - Schwanda, C.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shen, C. P.

AU - Shiu, J. G.

AU - Shwartz, B.

AU - Simon, F.

AU - Smerkol, P.

AU - Sokolov, A.

AU - Solovieva, E.

AU - Stanič, S.

AU - Starič, M.

AU - Sumiyoshi, T.

AU - Teramoto, Y.

AU - Uglov, T.

AU - Unno, Y.

AU - Uno, S.

AU - Varner, G.

AU - Vervink, K.

AU - Wang, C. H.

AU - Wang, P.

AU - Wang, X. L.

AU - Wedd, R.

AU - Won, E.

AU - Yamashita, Y.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zhou, P.

AU - Zivko, T.

AU - Zupanc, A.

PY - 2010/12/30

Y1 - 2010/12/30

N2 - We report the first measurement of the differential cross section for the process γγ→ηη in the kinematic range above the ηη threshold, 1.096GeVcJ charmonia.

AB - We report the first measurement of the differential cross section for the process γγ→ηη in the kinematic range above the ηη threshold, 1.096GeVcJ charmonia.

UR - http://www.scopus.com/inward/record.url?scp=78651331232&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.82.114031

DO - 10.1103/PhysRevD.82.114031

M3 - Article

AN - SCOPUS:78651331232

SN - 1550-7998

VL - 82

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 11

M1 - 114031

ER -

Measurement of ηη production in two-photon collisions

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