Literature DB >> 17677767

Evidence of a broad structure at an invariant mass of 4.32 GeV/c2 in the reaction e+e- --> pi+pi-psi(2S) measured at BABAR.

B Aubert1, R Barate, M Bona, D Boutigny, F Couderc, Y Karyotakis, J P Lees, V Poireau, V Tisserand, A Zghiche, E Grauges, A Palano, J C Chen, N D Qi, G Rong, P Wang, Y S Zhu, G Eigen, I Ofte, B Stugu, G S Abrams, M Battaglia, D N Brown, J Button-Shafer, R N Cahn, E Charles, M S Gill, Y Groysman, R G Jacobsen, J A Kadyk, L T Kerth, Yu G Kolomensky, G Kukartsev, G Lynch, L M Mir, T J Orimoto, M Pripstein, N A Roe, M T Ronan, W A Wenzel, P del Amo Sanchez, M Barrett, K E Ford, T J Harrison, A J Hart, C M Hawkes, S E Morgan, A T Watson, T Held, H Koch, B Lewandowski, M Pelizaeus, K Peters, T Schroeder, M Steinke, J T Boyd, J P Burke, W N Cottingham, D Walker, T Cuhadar-Donszelmann, B G Fulsom, C Hearty, N S Knecht, T S Mattison, J A McKenna, A Khan, P Kyberd, M Saleem, D J Sherwood, L Teodorescu, V E Blinov, A D Bukin, V P Druzhinin, V B Golubev, A P Onuchin, S I Serednyakov, Yu I Skovpen, E P Solodov, K Yu Todyshev, D S Best, M Bondioli, M Bruinsma, M Chao, S Curry, I Eschrich, D Kirkby, 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Weaver, A J R Weinstein, W J Wisniewski, M Wittgen, D H Wright, A K Yarritu, K Yi, C C Young, P R Burchat, A J Edwards, S A Majewski, B A Petersen, C Roat, L Wilden, S Ahmed, M S Alam, R Bula, J A Ernst, V Jain, B Pan, M A Saeed, F R Wappler, S B Zain, W Bugg, M Krishnamurthy, S M Spanier, R Eckmann, J L Ritchie, A Satpathy, C J Schilling, R F Schwitters, J M Izen, X C Lou, S Ye, F Bianchi, F Gallo, D Gamba, M Bomben, L Bosisio, C Cartaro, F Cossutti, G Della Ricca, S Dittongo, L Lanceri, L Vitale, V Azzolini, F Martinez-Vidal, Sw Banerjee, B Bhuyan, C M Brown, D Fortin, K Hamano, R Kowalewski, I M Nugent, J M Roney, R J Sobie, J J Back, P F Harrison, T E Latham, G B Mohanty, M Pappagallo, H R Band, X Chen, B Cheng, S Dasu, M Datta, K T Flood, J J Hollar, P E Kutter, B Mellado, A Mihalyi, Y Pan, M Pierini, R Prepost, S L Wu, Z Yu, H Neal.   

Abstract

We present a measurement of the cross section of the process e(+)e(-)-->pi(+)pi(-)psi(2S) from threshold up to 8 GeV center-of-mass energy using events containing initial-state radiation, produced at the SLAC PEP-II e(+)e(-) storage rings. The study is based on 298 fb(-1) of data recorded with the BABAR detector. A structure is observed in the cross section not far above threshold, near 4.32 GeV. We also investigate the compatibility of this structure with the Y(4260) previously reported by this experiment.

Year:  2007        PMID: 17677767     DOI: 10.1103/PhysRevLett.98.212001

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN: 0031-9007            Impact factor:   9.161


  1 in total

1.  Charmonium and charmoniumlike states at the BESIII experiment.

Authors:  Chang-Zheng Yuan
Journal:  Natl Sci Rev       Date:  2021-10-05       Impact factor: 17.275

  1 in total

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