Observation Of Eta C 1s And Eta C 2s Decays To K K Pi Pi Pi0 In Two Photon Interactions

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High Energy Physics Index

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Author :
language : en
Publisher:
Release Date : 1987

High Energy Physics Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Nuclear physics categories.

Nuclear Engineering

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Author :
language : en
Publisher:
Release Date : 1964

Nuclear Engineering written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Nuclear engineering categories.

Observation Of Eta C 1s And Eta C 2s Decays To K K Pi Pi Pi0 In Two Photon Interactions

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Author :
language : en
Publisher:
Release Date : 2011

Observation Of Eta C 1s And Eta C 2s Decays To K K Pi Pi Pi0 In Two Photon Interactions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

We study the processes?? → K{sub S}°K{sup ±}?{sup {-+}} and?? → KK−?+?−?° using a data sample of 519.2 fb−1 recorded by the BABAR detector at the PEP-II asymmetric-energy e+e− collider at center-of-mass energies near the?(nS) (n = 2, 3, 4) resonances. We observe the?{sub c}(1S),?{sub c0}(1P),?{sub c2}(1P), and?{sub c}(2S) resonances produced in two-photon interactions and decaying to K+K−?+?−?°, with significances of 18.1, 5.7, 5.2, and 5.3 standard deviations (including systematic errors), respectively. We measure the?{sub c}(2S) mass and width in K{sub S}°K{sup ±}?{sup {-+}} decays, m(?{sub c}(2S)) = 3638.5 ± 1.5 ± 0.8 MeV/c2 and?(?{sub c}(2S)) = 13.4 {+-} 4.6 {+-} 3.2 MeV, where the first uncertainty is statistical and the second is systematic. We search for the Z(3930) resonance and find no significant signal. We also provide the two-photon width times branching fraction values for the observed resonances.

Deutsche Nationalbibliographie Und Bibliographie Der Im Ausland Erschienenen Deutschsprachigen Ver Ffentlichungen

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Author :
language : de
Publisher:
Release Date : 1996

Deutsche Nationalbibliographie Und Bibliographie Der Im Ausland Erschienenen Deutschsprachigen Ver Ffentlichungen written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with German imprints categories.

Search For Radiative Decays Of Upsilon 1s Into Eta And Eta Prime

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Author : Vijay Singh Potlia
language : en
Publisher:
Release Date : 2006

Search For Radiative Decays Of Upsilon 1s Into Eta And Eta Prime written by Vijay Singh Potlia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

ABSTRACT: We conducted a new search for the radiative decay of Upsilon(1S) to the pseudoscalar mesons eta and eta-prime in (21.2"0.2) x 106 Upsilon(1S) decays collected with the CLEO III detector operation at the Cornell Electron Strorage Ring (CESR). The eta meson was reconstructed in the three modes eta to gamma gamma, eta to pipi−pi0 or eta to pi0 pi0 pi0. The eta-prime meson was reconstructed in the mode eta-prime to pi pi− eta with eta decaying through any of the above three modes; and also eta-prime to gamma rho0, where rho0 to pi+ pi−-. The first six of these decay chains were searched for in the previous CLEO II analysis on this subject, which used a data sample 14.6 times smaller. Five of the seven submodes were virtually background free. We found no signal events in four of them. The only exception was Upsilon(1S) to gamma eta-prime; eta to pi+ pi− pi0 where we observed two good signal candidates. The other two submodes (eta to gamma gamma and eta-prime to gamma rho) are background limited, and showed no excess of events in the signal region. We combined the results from different channels and obtained 90% confidence level (C.L.) upper limits branching fraction(Upsilon(1S) to gamma eta)

The Eta Pi Minus Decay Of The A Minus 2 Meson Produced In Pi Minus Rho Interactions At 40gev C

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Author : Ruggero Busnello
language : en
Publisher:
Release Date : 1974

The Eta Pi Minus Decay Of The A Minus 2 Meson Produced In Pi Minus Rho Interactions At 40gev C written by Ruggero Busnello and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.

Observation Of Exclusive Eta C Production In Two Photon Interactions At Tristan

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Author :
language : en
Publisher:
Release Date : 1998

Observation Of Exclusive Eta C Production In Two Photon Interactions At Tristan written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.

The Eta Pi Decay Of The A 2 Meson Produces In Pi P Interactions At 40 Gev C

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Author :
language : en
Publisher:
Release Date : 1974

The Eta Pi Decay Of The A 2 Meson Produces In Pi P Interactions At 40 Gev C written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.

The Eta Pi Decay Of The A 2 Meson Produced In Interactions At 40 Gev C

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Author : Ruggero Busnello
language : en
Publisher:
Release Date : 1973

The Eta Pi Decay Of The A 2 Meson Produced In Interactions At 40 Gev C written by Ruggero Busnello and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.

Observation Of The Decay J Psi Changes Into Eta C Changes Into Eta Phi Phi And Spin Parity Assignment For The Eta C

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Author : Francesco Grancagnolo
language : en
Publisher:
Release Date : 1983

Observation Of The Decay J Psi Changes Into Eta C Changes Into Eta Phi Phi And Spin Parity Assignment For The Eta C written by Francesco Grancagnolo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Decay schemes (Radioactivity) categories.