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Observation of the phi(1680) and the Y(2175) in e(+)e(-) -> phi pi(+)pi(-)

Authors
Shen, C. P.Yuan, C. Z.Wang, P.Wang, X. L.Adachi, I.Aihara, H.Arinstein, K.Aulchenko, V.Bakich, A. M.Barberio, E.Belous, K.Bischofberger, M.Bondar, A.Bracko, M.Browder, T. E.Chang, P.Chen, A.Cheon, B. G.Chistov, R.Cho, I. -S.Choi, S. -K.Choi, Y.Crnkovic, J.Dalseno, J.Danilov, M.Dash, M.Dungel, W.Eidelman, S.Epifanov, D.Gabyshev, N.Garmash, A.Goldenzweig, P.Ha, H.Hayasaka, K.Hayashii, H.Horii, Y.Hoshi, Y.Hou, W. -S.Hyun, H. J.Iijima, T.Inami, K.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Kang, J. H.Kapusta, P.Kawai, H.Kawasaki, T.Kichimi, H.Kim, H. O.Kim, J. H.Kim, Y. I.Kim, Y. J.Ko, B. R.Korpar, S.Kreps, M.Krizan, P.Krokovny, P.Kuehn, W.Kumar, R.Kuzmin, A.Kwon, Y. -J.Kyeong, S. -H.Lange, J. S.Lee, M. J.Lee, S. -H.Lesiak, T.Li, J.Limosani, A.Liu, C.Liventsev, D.Louvot, R.Mandl, F.Matyja, A.McOnie, S.Miyabayashi, K.Miyata, H.Nagasaka, Y.Nakano, E.Nakao, M.Nishida, S.Nishimura, K.Nitoh, O.Ogawa, S.Ohshima, T.Okuno, S.Olsen, S. L.Ozaki, H.Pakhlov, P.Pakhlova, G.Park, C. W.Park, H.Park, H. K.Piilonen, L. E.Poluektov, A.Sahoo, H.Sakai, K.Sakai, Y.Schneider, O.Schwanda, C.Senyo, K.Sevior, M. E.Shebalin, V.Shiu, J. -G.Shwartz, B.Singh, J. B.Sokolov, A.Stanic, S.Staric, M.Sumiyoshi, T.Taylor, G. N.Teramoto, Y.Trabelsi, K.Uehara, S.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Varner, G.Vervink, K.Vinokurova, A.Wang, C. H.Wang, M. -Z.Watanabe, Y.Wedd, R.Won, E.Yabsley, B. D.Yamashita, Y.Zhang, C. C.Zhang, Z. P.Zhilich, V.Zhulanov, V.Zivko, T.Zupanc, A.Zyukova, O.
Issue Date
8월-2009
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.80, no.3
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
80
Number
3
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/119622
DOI
10.1103/PhysRevD.80.031101
ISSN
1550-7998
Abstract
The cross sections for e(+)e(-) -> phi pi(+)pi(-) and e(+)e(-) -> phi f(0)(980) are measured from threshold to root s = 3.0 GeV using initial-state radiation. The analysis is based on a data sample of 673 fb(-1) collected on and below the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. First measurements are reported for the resonance parameters of the phi(1680) in the phi pi(+)pi(-) mode: m = (1689 +/- 7 +/- 10) MeV/c(2) and Gamma = (211 +/- 14 +/- 19) MeV/c(2). A structure at root s = 2.1 GeV/c(2), corresponding to the so called Y(2175), is observed; its mass and width are determined to be (2079 +/- 13(-28)(+79)) MeV/c(2) and (192 +/- 23(-61)(+25)) MeV/c(2), respectively.
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