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Evidence For The Decay Tau Pi Eta Nu Subtau
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Book Synopsis Evidence for the Decay Tau+(pi)+ETA NU/SubTAU by :
Download or read book Evidence for the Decay Tau+(pi)+ETA NU/SubTAU written by and published by . This book was released on 1987 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evidence for the Decay Tau−. --]. Pi. −eta Nu by :
Download or read book Evidence for the Decay Tau−. --]. Pi. −eta Nu written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The inclusive production of eta mesons in tau lepton decay has been studied using the High Resolution Spectrometer at the PEP ee− facility. The data sample corresponds to an integrated luminosity of 300 pb−1 and the storage ring was operated at .sqrt.s = 29 GeV. The eta production appears to be only compatible with the decay tau− .-->. .pi.−eta nu, which violates isospin and G-parity conservation. The branching ratio of 5.1 +- 1.5% explains much of the current discrepancy between the one-prong topological branching ratio and the sum of the individual one-prong modes. Various checks to test the validity of the signal are described.
Book Synopsis Evidence for the Decay [tau-] -> [nu][subscript Tau][omega][pi-] by : ARGUS Collaboration
Download or read book Evidence for the Decay [tau-] -> [nu][subscript Tau][omega][pi-] written by ARGUS Collaboration and published by . This book was released on 1986 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evidence for the [tau] [approaches] [nu] [rho] [pi] Decay Mode by : PLUTO Collaboration
Download or read book Evidence for the [tau] [approaches] [nu] [rho] [pi] Decay Mode written by PLUTO Collaboration and published by . This book was released on 1977 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of the Decay[tau][sup -][yields] 2[pi][sup -][pi][sup+]3[pi][sup 0][nu][sub[tau]. by :
Download or read book Study of the Decay[tau][sup -][yields] 2[pi][sup -][pi][sup+]3[pi][sup 0][nu][sub[tau]. written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The decay[tau][sup -][yields] 2[pi][sup -][pi][sup+]3[pi][sup 0][nu][sub[tau]] has been studied with the CLEO II detector at the Cornell Electron Storage Ring (CESR). The branching fraction is measured to be (2.85[+-] 0.56[+-] 0.51) x 10[sup -4]. The result is in good agreement with the isospin expectation but somewhat below the Conserved-Vector-Current (CVC) prediction. We have searched for resonance substructure in the decay. Within the statistical precision, the decay is saturated by the channels[tau][sup -][yields][pi][sup -]2[pi][sup 0][omega][nu][sub[tau]], 2[pi][sup -][pi][sup+][eta][nu][sub[tau]], and[pi][sup -]2[pi][sup 0][eta][nu][sub[tau]]. This is the first observation of this[omega] decay mode and the branching fraction is measured to be (1.89[sub -0.67][sup+0.74][+-] 0.40) x 10[sup -4].
Book Synopsis The Decay Tau. --]. Rho Nu (and Rho. --]. Pi. Eta Nu.). by :
Download or read book The Decay Tau. --]. Rho Nu (and Rho. --]. Pi. Eta Nu.). written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Motivated by the question of missing exclusive branching fractions in tau decays, mostly suspected to be in one prong decays with neutrals, we have studied the decay tau .-->. rho nu in tau pair production by ee− annihilation at .sqrt.s = 3.77 GeV. The branching fraction is measured to be B(tau .-->. rho nu) = (23.0 +- 1.3 +- 1.7)% consistent with known measurements and not offering a solution to the branching ratio question. No eta signal in the .gamma gamma. mass spectrum pointing to a decay tau .-->. eta .pi. nu is obvious. An upper limit on this branching fraction is given.
Book Synopsis First Observation of Tau -] 3 Pi Eta Tau-neutrino and Tau -] F1 Pi Tau-neutrino Decays by :
Download or read book First Observation of Tau -] 3 Pi Eta Tau-neutrino and Tau -] F1 Pi Tau-neutrino Decays written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We have observed new channels for[tau] decays with an[eta] in the final state. We study 3-prong tau decays, using the[eta][yields][gamma][gamma] and[eta][yields] 3[pi][sup 0] decay modes and 1-prong decays with two[pi][sup 0]'s using the[eta][yields][gamma][gamma] channel. The measured branching fractions are[Beta]([tau][sup -][yields][pi][sup -][pi][sup -][pi][sup+][eta][nu][sub[tau]])= (3.4[sub -0.5][sup+0.6][+-] 0.6) x 10[sup -4] and[Beta]([tau][sup -][yields][pi][sup -]2[pi][sup 0][eta][nu][sub[tau]])= (1.4[+-] 0.6[+-] 0.3) x 10[sup -4]. We observe clear evidence for f[sub 1][yields][eta][pi][pi] substructure and measure[Beta]([tau][sup -][yields] f[sub 1][pi][sup -][nu][sub[tau]])= (5.8[sub -1.3][sup+1.4][+-] 1.8) x 10[sup -4]. We have also searched for[eta][prime](958) production and obtain 90% CL upper limits[Beta]([tau][sup -][yields][pi][sup -][eta][prime][nu][sub[tau]])
Book Synopsis Search for the Decay[tau][sup -][yields] 4[pi][sup -]3[pi][sup+]([pi][sup 0][nu][sub[tau]. by :
Download or read book Search for the Decay[tau][sup -][yields] 4[pi][sup -]3[pi][sup+]([pi][sup 0][nu][sub[tau]. written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We have searched for the decay of the[tau] lepton into seven charged particles and zero or one[pi][sup 0]. The data used in the search were collected with the CLEO II detector at the Cornell Electron Storage Ring (CESR) and correspond to an integrated luminosity of 4.61 fb[sup 1]. No evidence for a signal is found. Assuming all the charged particles are pions, we set an upper limit on the branching fraction, B([tau][sup -][yields] 4[pi][sup -]3[pi][sup+]([pi][sup 0])[nu][sub[tau]])
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 1684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index: Keyword A-L by :
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1987 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1990 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book INIS Atomindex written by and published by . This book was released on 1988 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1987 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes all works deriving from DOE, other related government-sponsored information and foreign nonnuclear information.
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1054 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aurora written by Kim Stanley Robinson and published by Hachette UK. This book was released on 2015-07-09 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'What a saga! Scifi with honest, complex humanity, physics, biology, sociology' - Tom Hanks 'Aurora is a magnificent piece of writing, certainly Robinson's best novel since his mighty Mars trilogy, perhaps his best ever' - Guardian Our voyage from Earth began generations ago. Now, we approach our destination. A new home. Aurora. Brilliantly imagined and beautifully told, Aurora is the work of a writer at the height of his powers. 'An accessible novel packed with big ideas, wonders, jeopardy and, at the end, a real emotional punch' SFX 'Aurora is Robinson's best book yet . . . Heart-wrenching, provocative' Scientific American 'Kim Stanley Robinson is one of science fiction's greats' Sunday Times Novels by Kim Stanley Robinson: Icehenge The Memory of Whiteness A Short, Sharp Shock Antarctica The Years of Rice and Salt Galileo's Dream 2312 Shaman Aurora New York 2140 Red Moon
Book Synopsis Government Reports Annual Index: Corporate author by :
Download or read book Government Reports Annual Index: Corporate author written by and published by . This book was released on 1987 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt: