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Related papers: eta Physics and phi Radiative Decays at Kloe

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KLOE has collected about 30 pb^-1 in year 2000 at the DAFNE collider, which yields the largest population of phi meson radiative decays studied so far. We present the result obtained for phi-->eta photon and phi -->eta' photon: the ratio of…

High Energy Physics - Experiment · Physics 2012-08-27 The KLOE Collaboration

We search for B0 meson decays into two-body combinations of K0, eta, eta', and phi mesons in 324 million B Bbar pairs collected with the BaBar detector at the PEP-II asymmetric-energy e+e- collider at SLAC. We measure the following…

High Energy Physics - Experiment · Physics 2010-03-19 The BaBar Collaboration , B. Aubert

We have searched for the C-violating decay eta to gamma gamma gamma in a sample of ~ 18 million eta mesons produced in phi to eta gamma decays, collected with the KLOE detector at the Frascati phi-factory DAFNE. No signal is observed and we…

High Energy Physics - Experiment · Physics 2008-11-26 The KLOE Collaboration , A. Aloisio

Data collected by the KLOE experiment in years 2001/2002 for a total integrated luminosity of 410 pb$^{-1}$, corresponding to 17 million of produced $\eta$'s from the $\Phi \to \eta\gamma$ radiative decay, have been analyzed to look for the…

High Energy Physics - Experiment · Physics 2007-05-23 The KLOE Collaboration , A. Aloisio

We have searched for the decay phi -> K0 K0bar gamma, by detecting K_s pairs plus a photon and with the K_s-mesons decaying to pi^+ pi^-, in a sample of about 1.5x 10^9 phi-decays collected by the KLOE experiment at DAFNE. The reaction…

The article describes experimental status of EtaPrime->Pi+Pi-Eta and EtaPrime->Pi+Pi-Pi0 decays. A theoretical framework used for description of the decays mechanism is also reviewed. The possibilities for the measurements with WASA-at-COSY…

Nuclear Experiment · Physics 2008-11-26 Benedykt R. Jany

Some recent results on light meson physics are reviewed. The new evidence of low mass scalar mesons together with an improved measurement of the phi radiative decays in scalar mesons, give new insight into the nature and the structure of…

High Energy Physics - Experiment · Physics 2007-05-23 C. Bini

The decays psi'->gamma pi^0, gamma eta and gamma eta' are studied using data collected with the BESIII detector at the BEPCII e^+e^- collider. Processes psi'->gamma pi^0 and psi'->gamma eta are observed for the first time with signal…

High Energy Physics - Experiment · Physics 2012-08-27 The BESIII Collaboration

We study the rho^0 and phi decays into pi^+ pi^- gamma, pi^0 pi^0 gamma and phi into pi^0 eta gamma using a chiral unitary approach to deal with the final state interaction of the M M system. The final state interaction modifies only…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Marco , S. Hirenzaki , E. Oset , H. Toki

We study the radiative decay $\phi\to\pi^{0}\eta\gamma$ within the framework of a phenomenological approach in which the contributions of $\rho$-meson, chiral loop and $a_0$-meson are considered. We analyze the interference effects between…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Gokalp , A. Kucukarslan , S. Solmaz , O. Yilmaz

Patterns of chiral symmetry violation and tests of the conservation of the fundamental C, P and CP symmetries are key physics issues in studies of the pi0, eta and eta' meson decays. These tests include searches for rare or forbidden decays…

High Energy Physics - Phenomenology · Physics 2011-12-30 Andrzej Kupsc , Andreas Wirzba

Based on a sample of 225.3 million J/\psi events accumulated with the BESIII detector at the BEPCII, the decays of \eta' to pi+pi-l+l- are studied via J/\psi to \gamma\eta'. A clear \eta' signal is observed in the pi+pi-e+e- mass spectrum,…

High Energy Physics - Experiment · Physics 2013-06-05 BESIII Collaboration , M. Ablikim , M. N. Achasov , O. Albayrak , D. J. Ambrose , F. F. An , Q. An , J. Z. Bai , R. Baldini Ferroli , Y. Ban , J. Becker , J. V. Bennett , M. Bertani , J. M. Bian , E. Boger , O. Bondarenko , I. Boyko , R. A. Briere , V. Bytev , H. Cai , X. Cai , O. akir , A. Calcaterra , G. F. Cao , S. A. Cetin , J. F. Chang , G. Chelkov , G. Chen , H. S. Chen , J. C. Chen , M. L. Chen , S. J. Chen , X. Chen , Y. B. Chen , H. P. Cheng , Y. P. Chu , D. Cronin-Hennessy , H. L. Dai , J. P. Dai , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , W. M. Ding , Y. Ding , L. Y. Dong , M. Y. Dong , S. X. Du , J. Fang , S. S. Fang , L. Fava , C. Q. Feng , P. Friedel , C. D. Fu , J. L. Fu , Y. Gao , C. Geng , K. Goetzen , W. X. Gong , W. Gradl , M. Greco , M. H. Gu , Y. T. Gu , Y. H. Guan , A. Q. Guo , L. B. Guo , T. Guo , Y. P. Guo , Y. L. Han , F. A. Harris , K. L. He , M. He , Z. Y. He , T. Held , Y. K. Heng , Z. L. Hou , C. Hu , H. M. Hu , J. F. Hu , T. Hu , G. M. Huang , G. S. Huang , J. S. Huang , L. Huang , X. T. Huang , Y. Huang , Y. P. Huang , T. Hussain , C. S. Ji , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , L. L. Jiang , X. S. Jiang , J. B. Jiao , Z. Jiao , D. P. Jin , S. Jin , F. F. Jing , N. Kalantar-Nayestanaki , M. Kavatsyuk , B. Kopf , M. Kornicer , W. Kuehn , W. Lai , J. S. Lange , P. Larin , M. Leyhe , C. H. Li , Cheng Li , Cui Li , D. M. Li , F. Li , G. Li , H. B. Li , J. C. Li , K. Li , Lei Li , Q. J. Li , S. L. Li , W. D. Li , W. G. Li , X. L. Li , X. N. Li , X. Q. Li , X. R. Li , Z. B. Li , H. Liang , Y. F. Liang , Y. T. Liang , G. R. Liao , X. T. Liao , D. Lin , B. J. Liu , C. L. Liu , C. X. Liu , F. H. Liu , Fang Liu , Feng Liu , H. Liu , H. B. Liu , H. H. Liu , H. M. Liu , H. W. Liu , J. P. Liu , K. Liu , K. Y. Liu , Kai Liu , P. L. Liu , Q. Liu , S. B. Liu , X. Liu , Y. B. Liu , Z. A. Liu , Zhiqiang Liu , Zhiqing Liu , H. Loehner , G. R. Lu , H. J. Lu , J. G. Lu , Q. W. Lu , X. R. Lu , Y. P. Lu , C. L. Luo , M. X. Luo , T. Luo , X. L. Luo , M. Lv , C. L. Ma , F. C. Ma , H. L. Ma , Q. M. Ma , S. Ma , T. Ma , X. Y. Ma , F. E. Maas , M. Maggiora , Q. A. Malik , Y. J. Mao , Z. P. Mao , J. G. Messchendorp , J. Min , T. J. Min , R. E. Mitchell , X. H. Mo , H. Moeini , C. Morales Morales , K. Moriya , N. Yu. Muchnoi , H. Muramatsu , Y. Nefedov , C. Nicholson , I. B. Nikolaev , Z. Ning , S. L. Olsen , Q. Ouyang , S. Pacetti , J. W. Park , M. Pelizaeus , H. P. Peng , K. Peters , J. L. Ping , R. G. Ping , R. Poling , E. Prencipe , M. Qi , S. Qian , C. F. Qiao , L. Q. Qin , X. S. Qin , Y. Qin , Z. H. Qin , J. F. Qiu , K. H. Rashid , G. Rong , X. D. Ruan , A. Sarantsev , B. D. Schaefer , M. Shao , C. P. Shen , X. Y. Shen , H. Y. Sheng , M. R. Shepherd , W. M. Song , X. Y. Song , S. Spataro , B. Spruck , D. H. Sun , G. X. Sun , J. F. Sun , S. S. Sun , Y. J. Sun , Y. Z. Sun , Z. J. Sun , Z. T. Sun , C. J. Tang , X. Tang , I. Tapan , E. H. Thorndike , D. Toth , M. Ullrich , I. Uman , G. S. Varner , B. Q. Wang , D. Wang , D. Y. Wang , K. Wang , L. L. Wang , L. S. Wang , M. Wang , P. Wang , P. L. Wang , Q. J. Wang , S. G. Wang , X. F. Wang , X. L. Wang , Y. D. Wang , Y. F. Wang , Y. Q. Wang , Z. Wang , Z. G. Wang , Z. Y. Wang , D. H. Wei , J. B. Wei , P. Weidenkaff , Q. G. Wen , S. P. Wen , M. Werner , U. Wiedner , L. H. Wu , N. Wu , S. X. Wu , W. Wu , Z. Wu , L. G. Xia , Y. X Xia , Z. J. Xiao , Y. G. Xie , Q. L. Xiu , G. F. Xu , G. M. Xu , Q. J. Xu , Q. N. Xu , X. P. Xu , Z. R. Xu , F. Xue , Z. Xue , L. Yan , W. B. Yan , Y. H. Yan , H. X. Yang , Y. Yang , Y. X. Yang , H. Ye , M. Ye , M. H. Ye , B. X. Yu , C. X. Yu , H. W. Yu , J. S. Yu , S. P. Yu , C. Z. Yuan , Y. Yuan , A. A. Zafar , A. Zallo , S. L. Zang , Y. Zeng , B. X. Zhang , B. Y. Zhang , C. Zhang , C. C. Zhang , D. H. Zhang , H. H. Zhang , H. Y. Zhang , J. Q. Zhang , J. W. Zhang , J. Y. Zhang , J. Z. Zhang , LiLi Zhang , R. Zhang , S. H. Zhang , X. J. Zhang , X. Y. Zhang , Y. Zhang , Y. H. Zhang , Z. P. Zhang , Z. Y. Zhang , Zhenghao Zhang , G. Zhao , H. S. Zhao , J. W. Zhao , K. X. Zhao , Lei Zhao , Ling Zhao , M. G. Zhao , Q. Zhao , S. J. Zhao , T. C. Zhao , X. H. Zhao , Y. B. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , Y. H. Zheng , B. Zhong , L. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , C. Zhu , K. Zhu , K. J. Zhu , S. H. Zhu , X. L. Zhu , Y. C. Zhu , Y. M. Zhu , Y. S. Zhu , Z. A. Zhu , J. Zhuang , B. S. Zou , J. H. Zou

The KLOE collaboration has searched for the phi to K0 K0bar gamma decay using a sample of 1.4 fb-1 of e+e- collisions at W ~ M(phi) collected with the KLOE experiment at the Frascati e+e- collider DAFNE. No previous search exists for this…

High Energy Physics - Experiment · Physics 2012-08-27 KLOE collaboration

The eta(1760) may be significantly produced in J/Psi radiative decay. We deduce from experimental data that its branching ratio to two gluons is bounded, 0.4 +- 0.3 < BR(eta(1760) -> gg) < 0.9 +- 0.3, consistent with gluonic admixture.…

High Energy Physics - Phenomenology · Physics 2011-09-13 Philip R. Page , Xue-Qian Li

Different conclusions about quark nature of f0(980) based on the analysis of data on the reaction phi(1020) -> gamma f0(980) make it necessary to perform detailed comparison of formulae used by various groups for the calculation of partial…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. V. Anisovich , V. V. Anisovich , V. A. Nikonov

We have measured the radiative decays phi -> eta gamma, phi ->etaprime gamma selecting pi+ pi- gamma gamma gamma final state in a sample of about 5 times 10^7 phi mesons produced at the Frascati phi factory DAFNE. We obtain Gamma(phi ->…

High Energy Physics - Experiment · Physics 2012-08-27 The KLOE Collaboration