Observation of two resonant structures in e+e-→π+π-ψ(2S) via initial-state radiation at Belle

X. L. Wang; C. Z. Yuan; C. P. Shen; P. Wang; I. Adachi; H. Aihara; K. Arinstein; T. Aushev; A. M. Bakich; E. Barberio; I. Bedny; V. Bhardwaj; U. Bitenc; S. Blyth; A. Bondar; A. Bozek; M. Bračko; J. Brodzicka; T. E. Browder; P. Chang; A. Chen; K. F. Chen; B. G. Cheon; C. C. Chiang; R. Chistov; I. S. Cho; S. K. Choi; Y. Choi; J. Dalseno; M. Danilov; M. Dash; A. Drutskoy; S. Eidelman; D. Epifanov; N. Gabyshev; A. Go; G. Gokhroo; H. Ha; K. Hayasaka; H. Hayashii; M. Hazumi; D. Heffernan; Y. Hoshi; W. S. Hou; H. J. Hyun; T. Iijima; K. Inami; A. Ishikawa; H. Ishino; R. Itoh; Y. Iwasaki; D. H. Kah; J. H. Kang; H. Kawai; T. Kawasaki; H. Kichimi; H. O. Kim; S. K. Kim; Y. J. Kim; K. Kinoshita; S. Korpar; P. Križan; P. Krokovny; R. Kumar; C. C. Kuo; A. Kuzmin; J. S. Lange; J. S. Lee; M. J. Lee; S. E. Lee; T. Lesiak; A. Limosani; S. W. Lin; Y. Liu; D. Liventsev; F. Mandl; S. McOnie; T. Medvedeva; K. Miyabayashi; H. Miyake; H. Miyata; R. Mizuk; T. Mori; E. Nakano; M. Nakao; H. Nakazawa; Z. Natkaniec; S. Nishida; O. Nitoh; S. Noguchi; S. Ogawa; T. Ohshima; S. Okuno; S. L. Olsen; H. Ozaki; P. Pakhlov; G. Pakhlova; H. Palka; C. W. Park; H. Park; K. S. Park; R. Pestotnik; L. E. Piilonen; A. Poluektov; H. Sahoo; Y. Sakai; O. Schneider; A. Sekiya; M. E. Sevior; M. Shapkin; H. Shibuya; J. G. Shiu; B. Shwartz; J. B. Singh; A. Sokolov; A. Somov; S. Stanič; M. Starič; T. Sumiyoshi; F. Takasaki; K. Tamai; M. Tanaka; G. N. Taylor; Y. Teramoto; I. Tikhomirov; S. Uehara; K. Ueno; T. Uglov; Y. Unno; S. Uno; P. Urquijo; G. Varner; S. Villa; A. Vinokurova; C. C. Wang; C. H. Wang; Y. Watanabe; E. Won; B. D. Yabsley; A. Yamaguchi; Y. Yamashita; M. Yamauchi; C. C. Zhang; Z. P. Zhang; V. Zhilich; V. Zhulanov; A. Zupanc

doi:10.1103/PhysRevLett.99.142002

Observation of two resonant structures in e+e-→π+π-ψ(2S) via initial-state radiation at Belle

X. L. Wang, C. Z. Yuan, C. P. Shen, P. Wang, I. Adachi, H. Aihara, K. Arinstein, T. Aushev, A. M. Bakich, E. Barberio, I. Bedny, V. Bhardwaj, U. Bitenc, S. Blyth, A. Bondar, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, P. ChangA. Chen, K. F. Chen, B. G. Cheon, C. C. Chiang, R. Chistov, I. S. Cho, S. K. Choi, Y. Choi, J. Dalseno, M. Danilov, M. Dash, A. Drutskoy, S. Eidelman, D. Epifanov, N. Gabyshev, A. Go, G. Gokhroo, H. Ha, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, Y. Hoshi, W. S. Hou, H. J. Hyun, T. Iijima, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, Y. Iwasaki, D. H. Kah, J. H. Kang, H. Kawai, T. Kawasaki, H. Kichimi, H. O. Kim, S. K. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, P. Križan, P. Krokovny, R. Kumar, C. C. Kuo, A. Kuzmin, J. S. Lange, J. S. Lee, M. J. Lee, S. E. Lee, T. Lesiak, A. Limosani, S. W. Lin, Y. Liu, D. Liventsev, F. Mandl, S. McOnie, T. Medvedeva, K. Miyabayashi, H. Miyake, H. Miyata, R. Mizuk, T. Mori, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, S. Nishida, O. Nitoh, S. Noguchi, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, H. Ozaki, P. Pakhlov, G. Pakhlova, H. Palka, C. W. Park, H. Park, K. S. Park, R. Pestotnik, L. E. Piilonen, A. Poluektov, H. Sahoo, Y. Sakai, O. Schneider, A. Sekiya, M. E. Sevior, M. Shapkin, H. Shibuya, J. G. Shiu, B. Shwartz, J. B. Singh, A. Sokolov, A. Somov, S. Stanič, M. Starič, T. Sumiyoshi, F. Takasaki, K. Tamai, M. Tanaka, G. N. Taylor, Y. Teramoto, I. Tikhomirov, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, P. Urquijo, G. Varner, S. Villa, A. Vinokurova, C. C. Wang, C. H. Wang, Y. Watanabe, E. Won, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, C. C. Zhang, Z. P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc

Department of Physics

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Abstract

The cross section for e+e-→π+π-ψ(2S) between threshold and s=5.5GeV is measured using 673fb-1 of data on and off the Υ(4S) resonance collected with the Belle detector at KEKB. Two resonant structures are observed in the π+π-ψ(2S) invariant-mass distribution, one at 4361±9±9MeV/c2 with a width of 74±15±10MeV/c2, and another at 4664±11±5MeV/c2 with a width of 48±15± 3MeV/c2, if the mass spectrum is parametrized with the coherent sum of two Breit-Wigner functions. These values do not match those of any of the known charmonium states.

Original language	English
Article number	142002
Journal	Physical review letters
Volume	99
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevLett.99.142002
Publication status	Published - 2007 Oct 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.99.142002

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Wang, X. L., Yuan, C. Z., Shen, C. P., Wang, P., Adachi, I., Aihara, H., Arinstein, K., Aushev, T., Bakich, A. M., Barberio, E., Bedny, I., Bhardwaj, V., Bitenc, U., Blyth, S., Bondar, A., Bozek, A., Bračko, M., Brodzicka, J., Browder, T. E., ... Zupanc, A. (2007). Observation of two resonant structures in e+e-→π+π-ψ(2S) via initial-state radiation at Belle. Physical review letters, 99(14), Article 142002. https://doi.org/10.1103/PhysRevLett.99.142002

Wang, XL, Yuan, CZ, Shen, CP, Wang, P, Adachi, I, Aihara, H, Arinstein, K, Aushev, T, Bakich, AM, Barberio, E, Bedny, I, Bhardwaj, V, Bitenc, U, Blyth, S, Bondar, A, Bozek, A, Bračko, M, Brodzicka, J, Browder, TE, Chang, P, Chen, A, Chen, KF, Cheon, BG, Chiang, CC, Chistov, R, Cho, IS, Choi, SK, Choi, Y, Dalseno, J, Danilov, M, Dash, M, Drutskoy, A, Eidelman, S, Epifanov, D, Gabyshev, N, Go, A, Gokhroo, G, Ha, H, Hayasaka, K, Hayashii, H, Hazumi, M, Heffernan, D, Hoshi, Y, Hou, WS, Hyun, HJ, Iijima, T, Inami, K, Ishikawa, A, Ishino, H, Itoh, R, Iwasaki, Y, Kah, DH, Kang, JH, Kawai, H, Kawasaki, T, Kichimi, H, Kim, HO, Kim, SK, Kim, YJ, Kinoshita, K, Korpar, S, Križan, P, Krokovny, P, Kumar, R, Kuo, CC, Kuzmin, A, Lange, JS, Lee, JS, Lee, MJ, Lee, SE, Lesiak, T, Limosani, A, Lin, SW, Liu, Y, Liventsev, D, Mandl, F, McOnie, S, Medvedeva, T, Miyabayashi, K, Miyake, H, Miyata, H, Mizuk, R, Mori, T, Nakano, E, Nakao, M, Nakazawa, H, Natkaniec, Z, Nishida, S, Nitoh, O, Noguchi, S, Ogawa, S, Ohshima, T, Okuno, S, Olsen, SL, Ozaki, H, Pakhlov, P, Pakhlova, G, Palka, H, Park, CW, Park, H, Park, KS, Pestotnik, R, Piilonen, LE, Poluektov, A, Sahoo, H, Sakai, Y, Schneider, O, Sekiya, A, Sevior, ME, Shapkin, M, Shibuya, H, Shiu, JG, Shwartz, B, Singh, JB, Sokolov, A, Somov, A, Stanič, S, Starič, M, Sumiyoshi, T, Takasaki, F, Tamai, K, Tanaka, M, Taylor, GN, Teramoto, Y, Tikhomirov, I, Uehara, S, Ueno, K, Uglov, T, Unno, Y, Uno, S, Urquijo, P, Varner, G, Villa, S, Vinokurova, A, Wang, CC, Wang, CH, Watanabe, Y, Won, E, Yabsley, BD, Yamaguchi, A, Yamashita, Y, Yamauchi, M, Zhang, CC, Zhang, ZP, Zhilich, V, Zhulanov, V & Zupanc, A 2007, 'Observation of two resonant structures in e+e-→π+π-ψ(2S) via initial-state radiation at Belle', Physical review letters, vol. 99, no. 14, 142002. https://doi.org/10.1103/PhysRevLett.99.142002

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title = "Observation of two resonant structures in e+e-→π+π-ψ(2S) via initial-state radiation at Belle",

abstract = "The cross section for e+e-→π+π-ψ(2S) between threshold and s=5.5GeV is measured using 673fb-1 of data on and off the Υ(4S) resonance collected with the Belle detector at KEKB. Two resonant structures are observed in the π+π-ψ(2S) invariant-mass distribution, one at 4361±9±9MeV/c2 with a width of 74±15±10MeV/c2, and another at 4664±11±5MeV/c2 with a width of 48±15± 3MeV/c2, if the mass spectrum is parametrized with the coherent sum of two Breit-Wigner functions. These values do not match those of any of the known charmonium states.",

author = "Wang, {X. L.} and Yuan, {C. Z.} and Shen, {C. P.} and P. Wang and I. Adachi and H. Aihara and K. Arinstein and T. Aushev and Bakich, {A. M.} and E. Barberio and I. Bedny and V. Bhardwaj and U. Bitenc and S. Blyth and A. Bondar and A. Bozek and M. Bra{\v c}ko and J. Brodzicka and Browder, {T. E.} and P. Chang and A. Chen and Chen, {K. F.} and Cheon, {B. G.} and Chiang, {C. C.} and R. Chistov and Cho, {I. S.} and Choi, {S. K.} and Y. Choi and J. Dalseno and M. Danilov and M. Dash and A. Drutskoy and S. Eidelman and D. Epifanov and N. Gabyshev and A. Go and G. Gokhroo and H. Ha and K. Hayasaka and H. Hayashii and M. Hazumi and D. Heffernan and Y. Hoshi and Hou, {W. S.} and Hyun, {H. J.} and T. Iijima and K. Inami and A. Ishikawa and H. Ishino and R. Itoh and Y. Iwasaki and Kah, {D. H.} and Kang, {J. H.} and H. Kawai and T. Kawasaki and H. Kichimi and Kim, {H. O.} and Kim, {S. K.} and Kim, {Y. J.} and K. Kinoshita and S. Korpar and P. Kri{\v z}an and P. Krokovny and R. Kumar and Kuo, {C. C.} and A. Kuzmin and Lange, {J. S.} and Lee, {J. S.} and Lee, {M. J.} and Lee, {S. E.} and T. Lesiak and A. Limosani and Lin, {S. W.} and Y. Liu and D. Liventsev and F. Mandl and S. McOnie and T. Medvedeva and K. Miyabayashi and H. Miyake and H. Miyata and R. Mizuk and T. Mori and E. Nakano and M. Nakao and H. Nakazawa and Z. Natkaniec and S. Nishida and O. Nitoh and S. Noguchi and S. Ogawa and T. Ohshima and S. Okuno and Olsen, {S. L.} and H. Ozaki and P. Pakhlov and G. Pakhlova and H. Palka and Park, {C. W.} and H. Park and Park, {K. S.} and R. Pestotnik and Piilonen, {L. E.} and A. Poluektov and H. Sahoo and Y. Sakai and O. Schneider and A. Sekiya and Sevior, {M. E.} and M. Shapkin and H. Shibuya and Shiu, {J. G.} and B. Shwartz and Singh, {J. B.} and A. Sokolov and A. Somov and S. Stani{\v c} and M. Stari{\v c} and T. Sumiyoshi and F. Takasaki and K. Tamai and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and I. Tikhomirov and S. Uehara and K. Ueno and T. Uglov and Y. Unno and S. Uno and P. Urquijo and G. Varner and S. Villa and A. Vinokurova and Wang, {C. C.} and Wang, {C. H.} and Y. Watanabe and E. Won and Yabsley, {B. D.} and A. Yamaguchi and Y. Yamashita and M. Yamauchi and Zhang, {C. C.} and Zhang, {Z. P.} and V. Zhilich and V. Zhulanov and A. Zupanc",

year = "2007",

month = oct,

day = "1",

doi = "10.1103/PhysRevLett.99.142002",

language = "English",

volume = "99",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "14",

}

TY - JOUR

T1 - Observation of two resonant structures in e+e-→π+π-ψ(2S) via initial-state radiation at Belle

AU - Wang, X. L.

AU - Yuan, C. Z.

AU - Shen, C. P.

AU - Wang, P.

AU - Adachi, I.

AU - Aihara, H.

AU - Arinstein, K.

AU - Aushev, T.

AU - Bakich, A. M.

AU - Barberio, E.

AU - Bedny, I.

AU - Bhardwaj, V.

AU - Bitenc, U.

AU - Blyth, S.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Brodzicka, J.

AU - Browder, T. E.

AU - Chang, P.

AU - Chen, A.

AU - Chen, K. F.

AU - Cheon, B. G.

AU - Chiang, C. C.

AU - Chistov, R.

AU - Cho, I. S.

AU - Choi, S. K.

AU - Choi, Y.

AU - Dalseno, J.

AU - Danilov, M.

AU - Dash, M.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Gabyshev, N.

AU - Go, A.

AU - Gokhroo, G.

AU - Ha, H.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hazumi, M.

AU - Heffernan, D.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Hyun, H. J.

AU - Iijima, T.

AU - Inami, K.

AU - Ishikawa, A.

AU - Ishino, H.

AU - Itoh, R.

AU - Iwasaki, Y.

AU - Kah, D. H.

AU - Kang, J. H.

AU - Kawai, H.

AU - Kawasaki, T.

AU - Kichimi, H.

AU - Kim, H. O.

AU - Kim, S. K.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Korpar, S.

AU - Križan, P.

AU - Krokovny, P.

AU - Kumar, R.

AU - Kuo, C. C.

AU - Kuzmin, A.

AU - Lange, J. S.

AU - Lee, J. S.

AU - Lee, M. J.

AU - Lee, S. E.

AU - Lesiak, T.

AU - Limosani, A.

AU - Lin, S. W.

AU - Liu, Y.

AU - Liventsev, D.

AU - Mandl, F.

AU - McOnie, S.

AU - Medvedeva, T.

AU - Miyabayashi, K.

AU - Miyake, H.

AU - Miyata, H.

AU - Mizuk, R.

AU - Mori, T.

AU - Nakano, E.

AU - Nakao, M.

AU - Nakazawa, H.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Nitoh, O.

AU - Noguchi, S.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Ozaki, H.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Palka, H.

AU - Park, C. W.

AU - Park, H.

AU - Park, K. S.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Poluektov, A.

AU - Sahoo, H.

AU - Sakai, Y.

AU - Schneider, O.

AU - Sekiya, A.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shibuya, H.

AU - Shiu, J. G.

AU - Shwartz, B.

AU - Singh, J. B.

AU - Sokolov, A.

AU - Somov, A.

AU - Stanič, S.

AU - Starič, M.

AU - Sumiyoshi, T.

AU - Takasaki, F.

AU - Tamai, K.

AU - Tanaka, M.

AU - Taylor, G. N.

AU - Teramoto, Y.

AU - Tikhomirov, I.

AU - Uehara, S.

AU - Ueno, K.

AU - Uglov, T.

AU - Unno, Y.

AU - Uno, S.

AU - Urquijo, P.

AU - Varner, G.

AU - Villa, S.

AU - Vinokurova, A.

AU - Wang, C. C.

AU - Wang, C. H.

AU - Watanabe, Y.

AU - Won, E.

AU - Yabsley, B. D.

AU - Yamaguchi, A.

AU - Yamashita, Y.

AU - Yamauchi, M.

AU - Zhang, C. C.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zhulanov, V.

AU - Zupanc, A.

PY - 2007/10/1

Y1 - 2007/10/1

N2 - The cross section for e+e-→π+π-ψ(2S) between threshold and s=5.5GeV is measured using 673fb-1 of data on and off the Υ(4S) resonance collected with the Belle detector at KEKB. Two resonant structures are observed in the π+π-ψ(2S) invariant-mass distribution, one at 4361±9±9MeV/c2 with a width of 74±15±10MeV/c2, and another at 4664±11±5MeV/c2 with a width of 48±15± 3MeV/c2, if the mass spectrum is parametrized with the coherent sum of two Breit-Wigner functions. These values do not match those of any of the known charmonium states.

AB - The cross section for e+e-→π+π-ψ(2S) between threshold and s=5.5GeV is measured using 673fb-1 of data on and off the Υ(4S) resonance collected with the Belle detector at KEKB. Two resonant structures are observed in the π+π-ψ(2S) invariant-mass distribution, one at 4361±9±9MeV/c2 with a width of 74±15±10MeV/c2, and another at 4664±11±5MeV/c2 with a width of 48±15± 3MeV/c2, if the mass spectrum is parametrized with the coherent sum of two Breit-Wigner functions. These values do not match those of any of the known charmonium states.

UR - http://www.scopus.com/inward/record.url?scp=34948865140&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.99.142002

DO - 10.1103/PhysRevLett.99.142002

M3 - Article

AN - SCOPUS:34948865140

SN - 0031-9007

VL - 99

JO - Physical review letters

JF - Physical review letters

IS - 14

M1 - 142002

ER -

Observation of two resonant structures in e+e-→π+π-ψ(2S) via initial-state radiation at Belle

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