Related papers: The Contribution of One-Photon Annihilation at psi…

Search for psi(2S)--> eta_c pi^+ pi^- pi^0

Using 5.63 pb^-1 of data accumulated at the psi(2S) resonance with the CLEO III and CLEO-c detectors corresponding to 3.08 million psi(2S) decays, a search is performed for the decay psi(2S) -> eta_c pi^+pi^-pi^0 to test a theoretical…

High Energy Physics - Experiment · Physics 2015-06-25 T. Pedlar , CLEO Collaboration

Measurement of the branching fractions for psi(2S)-->e+e- and psi(2S)-->mu+mu-

We measure the branching fractions of the psi(2S) meson to the leptonic final states e+e- and mu+mu- relative to that for psi(2S)-->J/psi pi+pi-. The method uses psi(2S) mesons produced in the decay of B mesons at the Upsilon(4S) resonance…

High Energy Physics - Experiment · Physics 2008-11-26 B. Aubert , the BABAR Collaboration

Measurement of the final states $\omega \pi^0$, $\rho \eta$, and $\rho \eta^{'}$ from $\psip$ electromagnetic decays and $\ee$ annihilations

Cross sections and form factors for $\ee \to \wpi$, $\rho\eta$, and $\rho\etap$ at center of mass energies of 3.650, 3.686, and 3.773 GeV are measured using data samples collected with the BESII detector at the BEPC. Also, the branching…

High Energy Physics - Experiment · Physics 2019-08-14 M. Ablikim

Possible large phase in psi(2S) -> 1-0- Decays

The strong and the electromagnetic amplitudes are analyzed on the basis of the measurements of J/psi, psi(2S) -> 1-0- in e+e- experiments. The currently available experimental information is revised with inclusion of the contribution from…

High Energy Physics - Phenomenology · Physics 2016-09-06 P. Wang , C. Z. Yuan , X. H. Mo

Study of psi(2S) Decays to gamma p bar{p}, pi^0 p bar{p} and eta p bar{p} and Search for p bar{p} Threshold Enhancements

The decays of psi(2S) into gamma p bar{p}, pi^0 p bar{p} and eta p bar{p} have been studied with the CLEO-c detector using a sample of 24.5 million psi(2S) events obtained from e^+e^- annihilations at sqrt{s} = 3686 MeV. The data show…

High Energy Physics - Experiment · Physics 2010-11-11 CLEO Collaboration , J. P. Alexander , D. G. Cassel , S. Das , R. Ehrlich , L. Fields , L. Gibbons , S. W. Gray , D. L. Hartill , B. K. Heltsley , D. L. Kreinick , V. E. Kuznetsov , J. R. Patterson , D. Peterson , D. Riley , A. Ryd , A. J. Sadoff , X. Shi , W. M. Sun , J. Yelton , P. Rubin , N. Lowrey , S. Mehrabyan , M. Selen , J. Wiss , S. Adams , M. Kornicer , R. E. Mitchell , M. R. Shepherd , C. M. Tarbert , D. Besson , T. K. Pedlar , J. Xavier , D. Cronin-Hennessy , J. Hietala , P. Zweber , S. Dobbs , Z. Metreveli , K. K. Seth , A. Tomaradze , T. Xiao , S. Brisbane , J. Libby , L. Martin , A. Powell , P. Spradlin , G. Wilkinson , H. Mendez , J. Y. Ge , D. H. Miller , I. P. J. Shipsey , B. Xin , G. S. Adams , D. Hu , B. Moziak , J. Napolitano , K. M. Ecklund , J. Insler , H. Muramatsu , C. S. Park , L. J. Pearson , E. H. Thorndike , F. Yang , S. Ricciardi , C. Thomas , M. Artuso , S. Blusk , R. Mountain , T. Skwarnicki , S. Stone , J. C. Wang , L. M. Zhang , G. Bonvicini , D. Cinabro , A. Lincoln , M. J. Smith , P. Zhou , J. Zhu , P. Naik , J. Rademacker , D. M. Asner , K. W. Edwards , K. Randrianarivony , G. Tatishvili , R. A. Briere , H. Vogel , P. U. E. Onyisi , J. L. Rosner

Observation of Bs to Psi(2S)phi and Measurement of Ratio of Branching Fractions B (Bs --> Psi(2S)phi) / B (Bs --> J/Psi phi)

We report the first observation of Bs to Psi(2S) phi signals using 360 pb^-1 of CDF Run II data sample, where Psi(2S) decays into mu+mu- and J/psi pi+pi- modes with phi decays to K+K-. We have measured the relative branching ratio of Br(Bs…

High Energy Physics - Experiment · Physics 2010-05-12 CDF Collaboration , A. Abulencia

Measurement of the exclusive light hadron decays of the psi'' in e+e- experiments

The measurement of the exclusive light hadron decays of the psi'' in e+e- experiments with significant interference between the psi'' and non-resonance continuum amplitudes is discussed. The radiative correction and the Monte Carlo…

High Energy Physics - Phenomenology · Physics 2010-11-05 P. Wang , X. H. Mo , C. Z. Yuan

Observation of the decay B+ to psi(2S) phi(1020) K+ in pp collisions at sqrt(s) = 8 TeV

The decay B+ to psi(2S) phi(1020) K+ is observed for the first time using data collected from pp collisions at sqrt(s) = 8 TeV by the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6 inverse femtobarns. The…

High Energy Physics - Experiment · Physics 2016-11-24 CMS Collaboration

Evidence for psi' decays into gamma pi^0 and gamma eta

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

Observation of 1^-0^- Final States from psi(2S) Decays and e^+e^- Annihilation

Using CLEO data collected from CESR e+e- collisions at the Psi(2S) resonance and nearby continuum at E_CM=3.67GeV, we report the first significantly non-zero measurements of light vector-pseudoscalar hadron pair production (including RhoPi,…

High Energy Physics - Experiment · Physics 2010-04-08 N. E. Adam , CLEO Collaboration

Measurement of Prominent eta Decay Branching Fractions

The decay psi(2S) --> eta J/psi is used to measure, for the first time, all prominent eta-meson branching fractions with the same experiment in the same dataset, thereby providing a consistent treatment of systematics across branching…

High Energy Physics - Experiment · Physics 2010-04-08 A. Lopez , CLEO Collaboration

The S-wave resonance contributions in the $B^0_s$ decays into $ \psi(2S,3S)$ plus pion pair

The three-body decays $B^0_s \rightarrow \psi(2S,3S) \pi^+ \pi^-$ are studied based on the perturbative QCD approach. With the help of the nonperturbative two-pion distribution amplitudes, the analysis is simplified into the quasi-two-body…

High Energy Physics - Phenomenology · Physics 2017-03-31 Zhou Rui , Ya Li , Wen-Fei Wang

Branching Fractions for Transitions of psi(2S) to J/psi

We report determination of branching fractions for the decays psi(2S) --> h + J/psi, where h=any, pi+pi-, pi0pi0, eta, pi0, and gamma gamma through chi_{c0,1,2}. These measurements use 27M psi(2S) decays produced in e+e- collision data…

High Energy Physics - Experiment · Physics 2010-04-08 CLEO Collaboration , H. Mendez

Study of Radiative Decays of Psi(2S) Mesons

We studied the decay psi(2S) to gamma eta_c(2S) with 25.9 million psi(2S) events collected with the CLEO-c detector. No psi(2S) to gamma eta_c(2S) decays were observed in any of the eleven exclusive eta_c(2S) decay modes studied. The…

High Energy Physics - Experiment · Physics 2009-09-16 Kaiyan Gao

Evidence for the Direct Two-Photon Transition from $\psi(3686)$ to $J/\psi$

The two-photon transition $\psi(3686)\to\gamma\gamma J/\psi$ is studied in a sample of 106 million $\psi(3686)$ decays collected by the BESIII detector. The branching fraction is measured to be…

High Energy Physics - Experiment · Physics 2012-11-02 BESIII Collaboration , M. Ablikim , M. N. Achasov , D. J. Ambrose , F. F. An , Q. An , Z. H. An , J. Z. Bai , R. B. Ferroli , Y. Ban , J. Becker , N. Berger , M. B. Bertani , J. M. Bian , E. Boger , O. Bondarenko , I. Boyko , R. A. Briere , V. Bytev , X. Cai , A. C. Calcaterra , G. F. Cao , J. F. Chang , G. Chelkov , G. Chen , H. S. Chen , J. C. Chen , M. L. Chen , S. J. Chen , Y. 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 , F. Feldbauer , C. Q. Feng , 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 , Y. P. Guo , Y. L. Han , X. Q. Hao , F. A. Harris , K. L. He , M. He , Z. Y. He , T. Held , Y. K. Heng , Z. L. Hou , H. M. Hu , J. F. Hu , T. Hu , B. Huang , G. M. Huang , J. S. Huang , X. T. Huang , Y. P. Huang , T. Hussain , C. S. Ji , Q. Ji , X. B. Ji , X. L. Ji , L. K. Jia , L. L. Jiang , X. S. Jiang , J. B. Jiao , Z. Jiao , D. P. Jin , S. Jin , F. F. Jing , N. Kalantar-Nayestanaki , M. Kavatsyuk , W. Kuehn , W. Lai , J. S. Lange , J. K. C. Leung , C. H. Li , Cheng Li , Cui Li , D. M. Li , F. Li , G. Li , H. B. Li , J. C. Li , K. Li , Lei Li , N. B. 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 , B. J. Liu , B. J. Liu , C. L. Liu , C. X. Liu , C. Y. 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 , Kun Liu , Kai Liu , K. Y. Liu , P. L. Liu , S. B. Liu , X. Liu , X. H. Liu , Y. B. Liu , Y. 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 , Y. Ma , F. E. Maas , M. Maggiora , Q. A. Malik , H. Mao , Y. J. Mao , Z. P. Mao , J. G. Messchendorp , J. Min , T. J. Min , R. E. Mitchell , X. H. Mo , C. Morales Morales , C. Motzko , N. Yu. Muchnoi , Y. Nefedov , C. Nicholson , I. B. Nikolaev , Z. Ning , S. L. Olsen , Q. Ouyang , S. P. Pacetti , J. W. Park , M. Pelizaeus , K. Peters , J. L. Ping , R. G. Ping , R. Poling , E. Prencipe , C. S. J. Pun , M. Qi , S. Qian , C. F. Qiao , X. S. Qin , Y. Qin , Z. H. Qin , J. F. Qiu , K. H. Rashid , G. Rong , X. D. Ruan , A. Sarantsev , J. Schulze , M. Shao , C. P. Shen , X. Y. Shen , H. Y. Sheng , M. R. Shepherd , X. Y. Song , S. Spataro , B. Spruck , D. H. Sun , G. X. Sun , J. F. Sun , S. S. Sun , X. D. Sun , Y. J. Sun , Y. Z. Sun , Z. J. Sun , Z. T. Sun , C. J. Tang , X. Tang , E. H. Thorndike , H. L. Tian , D. Toth , M. U. Ulrich , G. S. Varner , B. Wang , B. Q. Wang , K. Wang , L. L. Wang , L. S. Wang , M. Wang , P. Wang , P. L. Wang , Q. 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 , P. Weidenkaff , Q. G. Wen , S. P. Wen , M. W. Werner , U. Wiedner , L. H. Wu , N. Wu , S. X. Wu , W. Wu , Z. Wu , L. G. Xia , Z. J. Xiao , Y. G. Xie , Q. L. Xiu , G. F. Xu , G. M. Xu , H. Xu , Q. J. Xu , X. P. Xu , Y. Xu , Z. R. Xu , F. Xue , Z. Xue , L. Yan , W. B. Yan , Y. H. Yan , H. X. Yang , T. Yang , Y. Yang , Y. X. Yang , H. Ye , M. Ye , M. H. Ye , B. X. Yu , C. X. Yu , J. S. Yu , S. P. Yu , C. Z. Yuan , W. L. Yuan , Y. Yuan , A. A. Zafar , A. Z. Zallo , Y. Zeng , B. X. Zhang , B. Y. Zhang , C. C. Zhang , D. H. Zhang , H. H. Zhang , H. Y. Zhang , J. Zhang , J. G. Zhang , J. Q. Zhang , J. W. Zhang , J. Y. Zhang , J. Z. Zhang , L. Zhang , S. H. Zhang , T. R. Zhang , X. J. Zhang , X. Y. Zhang , Y. Zhang , Y. H. Zhang , Y. S. Zhang , Z. P. Zhang , Z. Y. 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 , Z. P. Zheng , B. Zhong , J. Zhong , L. Zhou , X. K. Zhou , X. R. Zhou , C. Zhu , K. Zhu , K. J. Zhu , S. H. Zhu , X. L. Zhu , X. W. Zhu , Y. M. Zhu , Y. S. Zhu , Z. A. Zhu , J. Zhuang , B. S. Zou , J. H. Zou , J. X. Zuo

A large final-state interaction in the 0-0- decays of J/psi

In view of important implications in the B decay, the 0-0- decay modes of J/psi are analyzed with broken flavor SU(3) symmetry in search for long-distance final-state interactions. If we impose one mild theoretical constraint on the…

High Energy Physics - Phenomenology · Physics 2009-12-30 M. Suzuki

Inclusive Radiative psi(2S) Decays

Using e+e- collision data taken with the CLEO-c detector at the Cornell Electron Storage Ring, we have investigated the direct photon spectrum in the decay psi(2S)->gamma+gluon+gluon. We determine the ratio R of that inclusive direct photon…

High Energy Physics - Experiment · Physics 2019-08-13 J. Libby

Measurements of $\psi(2S)$ decays into $\phi \pi^0$, $\phi \eta$, $\phi \eta^{'}$, $\omega \eta$, and $\omega \eta^{'}$

Decays of the $\psi(2S)$ into Vector plus Pseudoscalar meson final states have been studied with 14 million $\psi(2S)$ events collected with the BESII detector. Branching fractions of $\psi(2S) \rar\phi\eta$, $\phi\etap$, and $\omega\etap$,…

High Energy Physics - Experiment · Physics 2012-08-27 BES Collaboration

Evidence of the PHI(1020)--->ETA+PI0+GAMMA Decay

Signal of the rare radiative decay PHI--->ETA+PI0+GAMMA was observed in the SND experiment at VEPP-2M electron-positron collider.The result is based on the analysis of data, corresponding to a total integrated luminosity of 4 pb^{-1}, or…

High Energy Physics - Experiment · Physics 2008-11-26 M. N. Achasov , V. M. Aulchenko , S. E. Baru , A. V. Berdyugin , A. V. Bozhenok A. D. Bukin , D. A. Bukin , S. V. Burdin , T. V. Dimova , S. I. Dolinski , V. P. Druzhinin , M. S. Dubrovin , I. A. Gaponenko , V. B. Golubev , V. N. Ivanchenko , P. M. Ivanov , A. A. Korol , S. V. Koshuba , A. P. Lysenko , E. V. Pakhtusova , A. A. Salnikov , S. I. Serednyakov , V. V. Shary , Yu. M. Shatunov , V. A. Sidorov , Z. K. Silagadze , A. N. Skrinsky , Yu. V. Usov

Photon Transitions in \psi(2S) Decays to \chi_{cJ}(1P) and \eta_c(1S)

We have studied the inclusive photon spectrum in psi(2S) decays using the CLEO III detector. We present the most precise measurements of electric dipole (E1) photon transition rates for psi(2S)--> gamma chicJ(1P) (J=0,1,2). We also confirm…

High Energy Physics - Experiment · Physics 2019-08-18 S. B. Athar