Measurements Of The Branching Fraction And Cp Violating Asymmetries Of B Sup 0 K Sup 0 Pi Sup 0 Decays
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Measurements Of Branching Fractions And Cp Violating Asymmetries In B Meson Decays To The Charmless Two Body States K Sup 0 Pi K Bar Sup 0 K Sup And K Sup 0 K Bar Sup 0
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Author :
language : en
Publisher:
Release Date : 2004
Measurements Of Branching Fractions And Cp Violating Asymmetries In B Meson Decays To The Charmless Two Body States K Sup 0 Pi K Bar Sup 0 K Sup And K Sup 0 K Bar Sup 0 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
The authors present preliminary measurements of the branching fraction and the CP-violating charge asymmetry in the B[sup +] --> K[sup 0][pi][sup +] decay, and a preliminary measurement of the branching fraction of the B[sup 0] --> K[sup 0][bar K][sup 0] decay. No evidence of direct CP violation in the B[sup +] --> K[sup 0][pi][sup +] mode is observed. The B[sup 0] --> K[sup 0][bar K][sup 0] measurement constitutes the first observation of this decay channel: the probability of obtaining the result assuming the null-signal hypothesis is 3.4 x 10[sup -6]. The authors have also searched for the B[sup +] --> [bar K][sup 0]K[sup +] decay and set an upper limit on its branching fraction at 2.35 x 10[sup -6] at the 90% C.L. The branching-fraction measurements reported here are consistent with previous measurements of the same quantities, but are extracted from a data sample larger by a factor of 2.6.
Measurements Of The Branching Fraction And Cp Violating Asymmetries Of B Sup 0 K Sup 0 Pi Sup 0 Decays
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Author :
language : en
Publisher:
Release Date : 2004
Measurements Of The Branching Fraction And Cp Violating Asymmetries Of B Sup 0 K Sup 0 Pi Sup 0 Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
No abstract prepared.
Particles Strings And Cosmology
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Author : Kiwoon Choi
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-12-12
Particles Strings And Cosmology written by Kiwoon Choi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-12 with Science categories.
PASCOS is an interdisciplinary symposium on the interface of of Particle physics, String theory and Cosmology. Over the past two decades these three disciplines have increasingly become closer. Historically there was always a strong overlap between particle physics and cosmology. This connection has become even stronger with the realization that some of the fundamental issues in cosmology such as the presence of dark matter and dark energy may possibly find a resolution only via new theories of particle physics. At the same time string theory has begun to play an increasingly important role in particle physics as a possible framework for building unified models of particle interaction including gravity. In recent years we have seen an increasing overlap between cosmology and string theory and currently the area of string cosmology is one of the most active fields of research. PASCOS 2005 aimed to provide coherent discussions of recent developments on the interface of the three disciplines and also on their interconnections. In particular, superstring aspects in low energy particle theory (SUSY) and cosmological applications (moduli stabilization) are extensively covered in this volume. Topics include dark matter and dark energy, baryogenesis, flavor and CP violation, neutrino physics, supersymmetry and extra dimensions, flux compactification, string model building, as well as brane cosmology.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1994
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aeronautics categories.
Measurements Of The Branching Fraction And Cp Violation Asymmetries In B0 F0 980 Ks
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Author :
language : en
Publisher:
Release Date : 2004
Measurements Of The Branching Fraction And Cp Violation Asymmetries In B0 F0 980 Ks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
The authors present measurements of the branching fraction and CP-violating asymmetries in the decay B[sup 0] [yields] f[sub 0](980)K[sub S][sup 0]. The results are obtained from a data sample of 123 x 10[sup 6] [Upsilon](4S) [yields] B[bar B] decays. From a time-dependent maximum likelihood fit they measure the branching fraction [Beta](B[sup 0] [yields] f[sub 0](980)([yields][Pi][sup +][pi][sup 0])K[sup 0]) = (6.0 [+-] 0.9 [+-] 0.6 [+-] 1.2) x 10[sup -6], the mixing-induced CP violation parameter S = 1.62[sub -0.51][sup +0.56] [+-] 0.09 [+-] 0.04 and the direct CP violation parameter C = 0.27 [+-] 0.36 [+-] 0.10 [+-] 0.07, where the first errors are statistical, the second systematic and the third due to model uncertainties. They measure the f[sub 0](980) mass and width to be m[sub f[sub 0(980)]] = (980.6 [+-] 4.1 [+-] 0.5 [+-] 4.0) MeV/c[sup 2] and [Lambda][sub f[sub 0(980)]] = (43[sub -9][sup +12] [+-] 3 [+-] 9) MeV/c[sup 2], respectively.
Xx International Symposium On Lepton And Photon Interactions At High Energies
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Author : Juliet Lee-Franzini
language : en
Publisher: World Scientific
Release Date : 2002
Xx International Symposium On Lepton And Photon Interactions At High Energies written by Juliet Lee-Franzini and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
This important book covers topics that are of major interest to the high energy physics community, including the most recent results from flavour factories, dark matter and neutrino physics. In addition, it considers future high energy machines.
Measurement Of Branching Fractions And Cp Violating Asymmetries In B Rho H
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Author :
language : en
Publisher:
Release Date : 2003
Measurement Of Branching Fractions And Cp Violating Asymmetries In B Rho H written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
We present measurements of branching fractions and CP-violating asymmetries in B[sup 0][yields][rho][sup[+-]][pi][sup[-+]] and B[sup 0][yields][rho][sup -]K[sup+] decays. The results are obtained from a data sample of 88.9 x 10[sup 6][Upsilon](4S)[yields] B[bar B] decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. From a time-dependent maximum likelihood fit we measure the charge-averaged branching fractions[Beta](B[sup 0][yields][rho][sup[+-]][pi][sup[-+]])= (22.6[+-] 1.8 (stat)[+-] 2.2 (syst)) x 10[sup -6] and[Beta](B[sup 0][yields][rho][sup -]K[sup+])= (7.3[sub -1.2][sup+1.3][+-] 1.3) x 10[sup -6]; and the CP-violating charge asymmetries A[sub CP][sup[rho][pi]]= -0.18[+-] 0.08[+-] 0.03 and A[sub CP][sup[rho]K]= 0.28[+-] 0.17[+-] 0.08; the direct CP violation parameter C[sub[rho][pi]]= 0.36[+-] 0.18[+-] 0.04 and the mixing-induced CP violation parameter S[sub[rho][pi]]= 0.19[+-] 0.24[+-] 0.03; and the dilution parameters[Delta]C[sub[rho][pi]]= 0.28[sub -0.19][sup+0.18][+-] 0.04 and[Delta]S[sub[rho][pi]]= 0.15[+-] 0.25[+-] 0.03.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1995-07
Government Reports Announcements 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 1995-07 with Science categories.
Energy Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1990
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 1990 with Power resources categories.
Lepton Photon 01 Proceedings Of The Xx International Symposium On Lepton And Photon Interactions At High Energies
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Author : Fabio Bossi
language : en
Publisher: World Scientific
Release Date : 2002-08-08
Lepton Photon 01 Proceedings Of The Xx International Symposium On Lepton And Photon Interactions At High Energies written by Fabio Bossi and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-08-08 with Science categories.
This important book covers topics that are of major interest to the high energy physics community, including the most recent results from flavour factories, dark matter and neutrino physics. In addition, it considers future high energy machines.