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Author : Kevin F. Einsweiler
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ISBN 13 :
Total Pages : 598 pages
Book Rating : 4.F/5 ( download)
Download or read book Radiative Decays of the Psi(3097) to Two Meson Final States written by Kevin F. Einsweiler and published by . This book was released on 1984 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radiative Decays of the Psi(3097) to Two Meson Final States written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The MARK III detector operating at the SPEAR storage ring has acquired a sample of 2.7 x 106 produced psi(3097)'s. These events are used to investigate the radiative decays of the psi to two meson final states. Such decays are of topical interest because of the unusual QCD laboratory they provide - of particular interest is the possibility of observing glueball states. The process psi ..-->.. ..gamma pi ... pi..− is studied. The f(1270) tensor meson is observed and the helicity structure of its production is measured. The data indicate that helicity 2 is suppressed, in disagreement with lowest order QCD calculations. Evidence is presented for the first observation of the theta(1700) in the ..pi ... pi..− final state. The strong, but not complete, suppression of this state in the ..pi pi.. channel, combined with the absence of a J/sup P/ = 2+ signal in a recent MARK III analysis of psi ..-->.. ..gamma.. rho rho, suggest a very mysterious nature for the theta(1700). The process psi ..-->.. ..gamma..K+K− is also studied. The f'(1515) tensor meson is observed with a branching ratio in agreement with the SU(3) symmetry prediction for the standard two gluon radiative decay diagram with no mixing corrections. The helicity structure of the f'(1515) is measured for the first time, and is found to be similar to that of the f(1270). The theta(1700) is observed with high statistics. Its spin and parity are measured, with the result that J/sup P/ = 2+ is preferred over J/sup P/ = 0+ at the 99.9% C.L. In addition, evidence is presented for a remarkable narrow state, designated the xi(2220). Its parameters are measured to be: m = 2.218 +- 0.003 +- 0.010 GeV, GAMMA less than or equal to 0.040 GeV at 95% C.L., and BR(psi ..-->.. ..gamma..xi(2220))BR(xi(2220) ..-->.. K+K−) = (5.7 +- 1.9 +- 1.4) x 10−5.
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ISBN 13 :
Total Pages : 782 pages
Book Rating : 4.3/5 (129 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1420 pages
Book Rating : 4.3/5 (91 download)
Download or read book Physics Briefs written by and published by . This book was released on 1993 with total page 1420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (871 download)
Download or read book Radiative Decay of the Psi (2S) Into Two Pseudoscalar Mesons written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radiative decays of the radically excited charmonium resonance, [psi](2S), into [pi][pi], K{bar K} and [eta][eta] final states have been measured in a sample of 3.96 x 106 [psi](2S) events collected by the BES collaboration. The branching ratios B([psi](2S) 2![gamma]f2(1270)) = (2.27 ± 0.26 ± 0.39) x 10−4 and B([psi](2S) 2![gamma]f0(1710)) x B(f0(1710) 2!KK−) = (5.59 ± 1.12 ± 0.93) x 10−5 are obtained. When compared to the corresponding radiative J/[psi] decays, the observed [psi](2S) radiative decay rates into [gamma]f2(1270) and [gamma]f0(1710) are consistent with the ''15%'' rule.
Author : G. P. Yost
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ISBN 13 :
Total Pages : 604 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Guide to Data in Elementary Particle Physics written by G. P. Yost and published by . This book was released on 1986 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.3/5 (91 download)
Download or read book INIS Atomindex written by and published by . This book was released on 1995 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Total Pages : 744 pages
Book Rating : 4.0/5 ( download)
Download or read book High Energy Physics Index written by and published by . This book was released on 1991 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 966 pages
Book Rating : 4.3/5 (91 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1985 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
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Total Pages : 696 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1992-07 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Total Pages : 976 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1985 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1016 pages
Book Rating : 4.3/5 (91 download)
Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1989 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Total Pages : 848 pages
Book Rating : 4.:/5 (31 download)
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1989 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
 Into Two Pseudo-scalar Mesons PDF Online Free](https://books.google.com/books/content/images/frontcover/dTgNtwAACAAJ?fife=w200-h370)
Author : Wei Yang
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ISBN 13 :
Total Pages : 282 pages
Book Rating : 4.:/5 (484 download)
Download or read book Radiative Decay of [psi](2S) Into Two Pseudo-scalar Mesons written by Wei Yang and published by . This book was released on 2000 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stanford University
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ISBN 13 :
Total Pages : 415 pages
Book Rating : 4.F/5 ( download)
Download or read book Annual Commencement written by Stanford University and published by . This book was released on 1983 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Total Pages : 436 pages
Book Rating : 4.X/5 (3 download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1985-04 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Total Pages : 5 pages
Book Rating : 4.:/5 (871 download)
Download or read book Radiative Decays of the B Meson written by and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The radiative decays of the B meson to the final states K *(892)[gamma] and [rho](770)[gamma] proceed through virtual effective flavor-changing neutral current processes which are sensitive to contributions from high mass scales from within the Standard Model of particle interactions and from possible new physics. In the context of the Standard Model, these transitions are of interest in probing the weak interaction behavior of the top quark. In particular, the ratio of branching fractions for the two processes can be used to extract the ratio of Cabibbo-Kobayashi-Maskawa matrix elements.
