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Measurement of the e(+)e(-) -> pi(+)pi(-)J/psi cross section via initial-state radiation at Belle
- Authors
- Yuan, CZ[Yuan, C. Z.]; Shen, CP[Shen, C. P.]; Wang, P[Wang, P.]; McOnie, S[McOnie, S.]; Adachi, I[Adachi, I.]; Aihara, H[Aihara, H.]; Aulchenko, V[Aulchenko, V.]; Aushev, T[Aushev, T.]; Bahinipati, S[Bahinipati, S.]; Balagura, V[Balagura, V.]; Barberio, E[Barberio, E.]; Bedny, I[Bedny, I.]; Bitenc, U[Bitenc, U.]; Bondar, A[Bondar, A.]; Bozek, A[Bozek, A.]; Bracko, M[Bracko, M.]; Brodzicka, J[Brodzicka, J.]; Browder, TE[Browder, T. E.]; Chang, MC[Chang, M. -C.]; Chang, P[Chang, P.]; Chen, A[Chen, A.]; Chen, KF[Chen, K. -F.]; Chen, WT[Chen, W. T.]; Cheon, BG[Cheon, B. G.]; Chistov, R[Chistov, R.]; Cho, IS[Cho, I. -S.]; Choi, Y[Choi, Y.]; Dalseno, J[Dalseno, J.]; Danilov, M[Danilov, M.]; Dash, M[Dash, M.]; Eidelman, S[Eidelman, S.]; Fratina, S[Fratina, S.]; Gabyshev, N[Gabyshev, N.]; Golob, B[Golob, B.]; Ha, H[Ha, H.]; Haba, J[Haba, J.]; Hayasaka, K[Hayasaka, K.]; Hayashii, H[Hayashii, H.]; Hazumi, M[Hazumi, M.]; Heffernan, D[Heffernan, D.]; Hokuue, T[Hokuue, T.]; Hoshi, Y[Hoshi, Y.]; Hou, WS[Hou, W. -S.]; Hsiung, YB[Hsiung, Y. B.]; Hyun, HJ[Hyun, H. J.]; Iijima, T[Iijima, T.]; Ikado, K[Ikado, K.]; Inami, K[Inami, K.]; Ishikawa, A[Ishikawa, A.]; Itoh, R[Itoh, R.]; Iwasaki, Y[Iwasaki, Y.]; Kah, DH[Kah, D. H.]; Kaji, H[Kaji, H.]; Kang, JH[Kang, J. H.]; Katayama, N[Katayama, N.]; Kawai, H[Kawai, H.]; Kawasaki, T[Kawasaki, T.]; Kichimi, H[Kichimi, H.]; Kim, YJ[Kim, Y. J.]; Kinoshita, K[Kinoshita, K.]; Korpar, S[Korpar, S.]; Krizan, P[Krizan, P.]; Krokovny, P[Krokovny, P.]; Kumar, R[Kumar, R.]; Kuo, CC[Kuo, C. C.]; Kuzmin, A[Kuzmin, A.]; Kwon, YJ[Kwon, Y. -J.]; Lee, SE[Lee, S. E.]; Lesiak, T[Lesiak, T.]; Lin, SW[Lin, S. -W.]; Liu, Y[Liu, Y.]; Liventsev, D[Liventsev, D.]; Mandl, F[Mandl, F.]; Marlow, D[Marlow, D.]; Matyja, A[Matyja, A.]; Medvedeva, T[Medvedeva, T.]; Mitaroff, W[Mitaroff, W.]; Miyabayashi, K[Miyabayashi, K.]; Miyake, H[Miyake, H.]; Miyata, H[Miyata, H.]; Miyazaki, Y[Miyazaki, Y.]; Mizuk, R[Mizuk, R.]; Mori, T[Mori, T.]; Nagasaka, Y[Nagasaka, Y.]; Nakao, M[Nakao, M.]; Natkaniec, Z[Natkaniec, Z.]; Nishida, S[Nishida, S.]; Nitoh, O[Nitoh, O.]; Ogawa, S[Ogawa, S.]; Ohshima, T[Ohshima, T.]; Okuno, S[Okuno, S.]; Olsen, SL[Olsen, S. L.]; Ozaki, H[Ozaki, H.]; Pakhlov, P[Pakhlov, P.]; Pakhlova, G[Pakhlova, G.]; Palka, H[Palka, H.]; Park, H[Park, H.]; Park, KS[Park, K. S.]; Peak, LS[Peak, L. S.]; Piilonen, LE[Piilonen, L. E.]; Sakai, Y[Sakai, Y.]; Schneider, O[Schneider, O.]; Schumann, J[Schuemann, J.]; Seidl, R[Seidl, R.]; Senyo, K[Senyo, K.]; Sevior, ME[Sevior, M. E.]; Shapkin, M[Shapkin, M.]; Shibuya, H[Shibuya, H.]; Shiu, JG[Shiu, J. -G.]; Shwartz, B[Shwartz, B.]; Singh, JB[Singh, J. B.]; Sokolov, A[Sokolov, A.]; Somov, A[Somov, A.]; Staric, M[Staric, M.]; Sumiyoshi, T[Sumiyoshi, T.]; Takasaki, F[Takasaki, F.]; Tanaka, M[Tanaka, M.]; Taylor, GN[Taylor, G. N.]; Teramoto, Y[Teramoto, Y.]; Tikhomirov, I[Tikhomirov, I.]; Uehara, S[Uehara, S.]; Unno, Y[Unno, Y.]; Uno, S[Uno, S.]; Usov, Y[Usov, Y.]; Varner, G[Varner, G.]; Varvell, KE[Varvell, K. E.]; Vervink, K[Vervink, K.]; Villa, S[Villa, S.]; Vinokurova, A[Vinokurova, A.]; Wang, CC[Wang, C. C.]; Wang, CH[Wang, C. H.]; Wang, XL[Wang, X. L.]; Watanabe, Y[Watanabe, Y.]; Won, E[Won, E.]; Yabsley, BD[Yabsley, B. D.]; Yamaguchi, A[Yamaguchi, A.]; Yamashita, Y[Yamashita, Y.]; Zhang, CC[Zhang, C. C.]; Zhang, ZP[Zhang, Z. P.]; Zhilich, V[Zhilich, V.]; Zhulanov, V[Zhulanov, V.]; Zupanc, A[Zupanc, A.]
- Issue Date
- 2-Nov-2007
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW LETTERS, v.99, no.18
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW LETTERS
- Volume
- 99
- Number
- 18
- ISSN
- 0031-9007
- Abstract
- The cross section for e(+)e(-)->pi(+)pi(-)J/psi between 3.8 and 5.5 GeV/c(2) is measured using a 548 fb(-1) data sample collected on or near the Upsilon(4S) resonance with the Belle detector at KEKB. A peak near 4.25 GeV/c(2), corresponding to the so called Y(4260), is observed. In addition, there is another cluster of events at around 4.05 GeV/c(2). A fit using two interfering Breit-Wigner shapes describes the data better than one that uses only the Y(4260), especially for the lower-mass side of the 4.25 GeV enhancement.
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