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Measurement of the branching fraction for the decay Gamma(4S) -> Gamma(1S)pi(+) pi(-)

Authors
Sokolov, A[Sokolov, A.]Shapkin, M[Shapkin, M.]Aihara, H[Aihara, H.]Arinstein, K[Arinstein, K.]Aushev, T[Aushev, T.]Bakich, AM[Bakich, A. M.]Barberio, E[Barberio, E.]Bay, A[Bay, A.]Belous, K[Belous, K.]Bhardwaj, V[Bhardwaj, V.]Bondar, A[Bondar, A.]Bracko, M[Bracko, M.]Browder, TE[Browder, T. E.]Chang, MC[Chang, M. -C.]Chang, P[Chang, P.]Chen, A[Chen, A.]Chen, KF[Chen, K. -F.]Cheon, BG[Cheon, B. G.]Chiang, CC[Chiang, C. -C.]Chistov, R[Chistov, R.]Cho, IS[Cho, I. -S.]Choi, Y[Choi, Y.]Dash, M[Dash, M.]Drutskoy, A[Drutskoy, A.]Dungel, W[Dungel, W.]Eidelman, S[Eidelman, S.]Epifanov, D[Epifanov, D.]Gabyshev, N[Gabyshev, N.]Goldenzweig, P[Goldenzweig, P.]Ha, H[Ha, H.]Haba, J[Haba, J.]Han, BY[Han, B. -Y.]Hayashii, H[Hayashii, H.]Hazumi, M[Hazumi, M.]Horii, Y[Horii, Y.]Hoshi, Y[Hoshi, Y.]Hou, WS[Hou, W. -S.]Hsiung, YB[Hsiung, Y. B.]Hyun, HJ[Hyun, H. J.]Iijima, T[Iijima, T.]Inami, K[Inami, K.]Ishikawa, A[Ishikawa, A.]Ishino, H[Ishino, H.]Iwasaki, Y[Iwasaki, Y.]Joshi, NJ[Joshi, N. J.]Kah, DH[Kah, D. H.]Kaji, H[Kaji, H.]Kang, JH[Kang, J. H.]Kawai, H[Kawai, H.]Kawasaki, T[Kawasaki, T.]Kichimi, H[Kichimi, H.]Kim, HJ[Kim, H. J.]Kim, HO[Kim, H. O.]Kim, SK[Kim, S. K.]Kim, YI[Kim, Y. I.]Kim, YJ[Kim, Y. J.]Kinoshita, K[Kinoshita, K.]Ko, BR[Ko, B. R.]Korpar, S[Korpar, S.]Krizan, P[Krizan, P.]Krokovny, P[Krokovny, P.]Kuzmin, A[Kuzmin, A.]Kwon, YJ[Kwon, Y. -J.]Kyeong, SH[Kyeong, S. -H.]Lange, JS[Lange, J. S.]Lee, MJ[Lee, M. J.]Lee, SE[Lee, S. E.]Lesiak, T[Lesiak, T.]Li, J[Li, J.]Limosani, A[Limosani, A.]Lin, SW[Lin, S. -W.]Liu, Y[Liu, Y.]Liventsev, D[Liventsev, D.]Louvot, R[Louvot, R.]Mandl, F[Mandl, F.]Matyja, A[Matyja, A.]McOnie, S[McOnie, S.]Miyata, H[Miyata, H.]Miyazaki, Y[Miyazaki, Y.]Mizuk, R[Mizuk, R.]Mori, T[Mori, T.]Nagasaka, Y[Nagasaka, Y.]Nakano, E[Nakano, E.]Nakao, M[Nakao, M.]Nishida, S[Nishida, S.]Nitoh, O[Nitoh, O.]Noguchi, S[Noguchi, S.]Ogawa, S[Ogawa, S.]Ohshima, T[Ohshima, T.]Okuno, S[Okuno, S.]Ozaki, H[Ozaki, H.]Pakhlov, P[Pakhlov, P.]Pakhlova, G[Pakhlova, G.]Park, CW[Park, C. W.]Park, H[Park, H.]Park, HK[Park, H. K.]Park, KS[Park, K. S.]Pestotnik, R[Pestotnik, R.]Piilonen, LE[Piilonen, L. E.]Poluektov, A[Poluektov, A.]Sahoo, H[Sahoo, H.]Sakai, Y[Sakai, Y.]Schneider, O[Schneider, O.]Schwanda, C[Schwanda, C.]Sekiya, A[Sekiya, A.]Senyo, K[Senyo, K.]Sevior, ME[Sevior, M. E.]Shen, CP[Shen, C. P.]Shiu, JG[Shiu, J. -G.]Shwartz, B[Shwartz, B.]Singh, JB[Singh, J. B.]Stanic, S[Stanic, S.]Staric, M[Staric, M.]Sumiyoshi, T[Sumiyoshi, T.]Tanaka, M[Tanaka, M.]Taylor, GN[Taylor, G. N.]Teramoto, Y[Teramoto, Y.]Tsuboyama, T[Tsuboyama, T.]Uehara, S[Uehara, S.]Uglov, T[Uglov, T.]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.]Vinokurova, A[Vinokurova, A.]Wang, CH[Wang, C. H.]Wang, MZ[Wang, M. -Z.]Wang, P[Wang, P.]Wang, XL[Wang, X. L.]Watanabe, Y[Watanabe, Y.]Wedd, R[Wedd, R.]Won, E[Won, E.]Yabsley, BD[Yabsley, B. D.]Yamashita, Y[Yamashita, Y.]Yuan, CZ[Yuan, C. Z.]Zhang, ZP[Zhang, Z. P.]Zhilich, V[Zhilich, V.]Zhulanov, V[Zhulanov, V.]Zivko, T[Zivko, T.]Zupanc, A[Zupanc, A.]Zyukova, O[Zyukova, O.]
Issue Date
Mar-2009
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.79, no.5
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
79
Number
5
URI
https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/78308
DOI
10.1103/PhysRevD.79.051103
ISSN
1550-7998
Abstract
We study transitions between Gamma states with the emission of charged pions using 604.6 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The measured product branching fraction is B(Gamma(4S) -> Gamma(1S)pi(+)pi(-)) x B(Gamma(1S) -> mu(+)mu(-)) = (2.11 +/- 0.30(stat) +/- 0.14(sys)) x 10(-6) and the partial decay width is Gamma(Gamma(4S) -> Gamma(1S)pi(+)pi(-)) = 1.75 +/- 0.25(stat) +/- 0.24(sys)) keV.
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