A Study Of The Kkpi Final State In J Psi Radiative Decays

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A Study Of The Kkpi Final State In J Psi Radiative Decays

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Author : John Drinkard
language : en
Publisher:
Release Date : 1990

A Study Of The Kkpi Final State In J Psi Radiative Decays written by John Drinkard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Mesons categories.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1986

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Power resources categories.

High Energy Physics Index

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Author :
language : en
Publisher:
Release Date : 1988

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 1988 with Nuclear physics categories.

Physics Briefs

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Author :
language : en
Publisher:
Release Date : 1986

Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Physics categories.

Amplitude Analysis Of The K Anti K System In J Psi Radiative Decay

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Author :
language : en
Publisher:
Release Date : 1990

Amplitude Analysis Of The K Anti K System In J Psi Radiative Decay written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.

Preliminary results of a mass independent amplitude analysis of J/[psi] radiative decays into K {bar K} final states are presented. A large component of spin zero is observed at the f2/[theta](1720) mass region; however, a small spin two component at this mass region cannot be excluded with the present statistics. 9 refs., 7 figs.

Radiative Decays Of The Psi Prime To All Photon Final States

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Author :
language : en
Publisher:
Release Date : 1985

Radiative Decays Of The Psi Prime To All Photon Final States written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.

Results of studies of selected radiative decays of the psi' to charmonium and non-charmonium states which decay into photons are presented. These studies were performed using a sample of 1.8 x 106 produced psi''s collected by the Crystal Ball detector at the SPEAR electron-positron storage ring. The branching ratios of the chi0, chi2, and eta'/sub c/ to two photons have been measured to be (4.5 +- 2.2 +- 2.0) x 10−4, (9.5 +- 2.9 +- 4.5) x 10−4 (first errors statistical, second systematic), and 1 x 10−2 (90% C.L.). The signal from the decay chain psi' .--. .gamma.chi0, chi0 .-->. .pi.°.pi.° has been observed with essentially no background. Using the observed line shape of the radiative photon in this reaction, the full width of the psi0 has been found to be 8.8 +- 1.3 +- 1.5 MeV/c2. In addition, the branching ratios of the chi0 and chi2 to .pi.°.pi.° have been measured to be (3.5 +- 0.3 +- 1.2) x 10−3 and (1.2 +- 0.2 +- 0.4) x 10−3; the branching ratios of the chi0 and chi2 to eta eta have been measured to be (2.8 +- 0.9 +- 1.3) x 10−3 and (8.4 +- 4.2 +- 4.0) x 10−4. The decays of the psi' to four non-charmonium states have been investigated. The branching ratios and upper limits of these decays have been normalized to the branching ratios of the corresponding decays from the J/psi which have been measured using a sample of 2.2 x 106 produced J/psi's collected by the Crystal Ball detector. The ratios of the psi' branching ratios to the J/psi branching ratios for the final states .gamma.eta, .gamma.eta', .gamma.theta, and .gamma.f have been measured to be

Radiative Decays Of The Psi To All Photon Final States

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Author :
language : en
Publisher:
Release Date : 1985

Radiative Decays Of The Psi To All Photon Final States written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.

A sample of 1.8 x 106 produced psi's collected by the Crystal Ball detector at SPEAR is used to measure branching ratios of selected radiative psi' decays to non-charmonium states which decay into photons. A sample of 2.2 x 106 produced J/psi's is used to measure the same radiative decays from the J/psi. The ratios BR(psi' .-->. .gamma.f)/BR(J/psi .-->. .gamma.f) = 9 +- 3%, BR(psi' .-->. .gamma.theta)/BR(J/psi .-->. .gamma.theta) 10% - 15%, BR(psi' .--. .gamma.eta)/BR(J/psi .-->. .gamma.eta) 1.8%, and BR(psi' .--. .gamma.eta')/BR(J/psi .-->. .gamma.eta')

Radiative Decays Of The Psi 3097 To Two Meson Final States

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Author : Kevin F. Einsweiler
language : en
Publisher:
Release Date : 1984

Radiative Decays Of The Psi 3097 To Two Meson Final States written by Kevin F. Einsweiler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Radioactive decay categories.

Radiative Decays Of The Psi Primer To All Photon Final States

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Author : Roger Alan Lee
language : en
Publisher:
Release Date : 1985

Radiative Decays Of The Psi Primer To All Photon Final States written by Roger Alan Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.

Radiative J Psi Decays

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Author : Clemens A. Heusch
language : en
Publisher:
Release Date :

Radiative J Psi Decays written by Clemens A. Heusch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.