Measurements Of Branching Fractions And Cp Violating Asymmetries In B Meson Decays To The Charmless Two Body States K Pi K Bar K And K K Bar
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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 Branching Fractions And Cp Violating Asymmetries In B Meson Decays To Charmless Two Body States Containing A K 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 Charmless Two Body States Containing A K 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 measurements of branching fractions and CP-violating asymmetries in decays of B mesons to two-body final states containing a K[sup 0]. The results are based on a data sample of approximately 88 million [Upsilon](4S) [yields] B[bar B] decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC.
Measurements Of Branching Fractions And Cp Violating Asymmetries In B Meson Decays To Charmless Two Body States Containing A K
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Author :
language : en
Publisher:
Release Date : 2004
Measurements Of Branching Fractions And Cp Violating Asymmetries In B Meson Decays To Charmless Two Body States Containing A K 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 branching fractions and CP-violating asymmetries in decays of B mesons to two-body final states containing a K°. The results are based on a data sample of approximately 88 million [Upsilon](4S) → B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC.
Measurements Of Branching Fractions And Cp Violating Asymmetries In B Meson Decays To The Charmless Two Body States K Pi K Bar K And K K Bar
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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 Pi K Bar K And K K Bar 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 --> K°?+ decay, and a preliminary measurement of the branching fraction of the B° --> K°{bar K}° decay. No evidence of direct CP violation in the B+ --> K°?+ mode is observed. The B° --> K°{bar K}° measurement constitutes the first observation of this decay channel: the probability of obtaining the result assuming the null-signal hypothesis is 3.4 x 10−6. The authors have also searched for the B+ --> {bar K}°K+ decay and set an upper limit on its branching fraction at 2.35 x 10−6 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.
Branching Fraction And Direct Cp Violating Asymmetries In Charmless Twobody B Decays At Babar
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Author : W. D. Hulsbergen
language : en
Publisher:
Release Date : 2005
Branching Fraction And Direct Cp Violating Asymmetries In Charmless Twobody B Decays At Babar written by W. D. Hulsbergen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
We present preliminary measurements of branching fractions and direct CP violating asymmetries in charmless two-body B decays, obtained with the BABAR detector using a sample of 227M {Upsilon}(4S) {yields} B{bar B} decays. We report the first observation of B{sup 0} {yields} K{sup 0}{bar K}{sup 0} and the first observation of direct CP violation in B{sup 0} {yields} K{sup +}{pi}{sup -} decays.
Measurements Of Branching Fractions And Cp Violating Asymmetries In B0 Pi Pi K Pi K K Decays
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Author :
language : en
Publisher:
Release Date : 2003
Measurements Of Branching Fractions And Cp Violating Asymmetries In B0 Pi Pi K Pi K K 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 2003 with categories.
We present measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons. The results are obtained from a data sample of about 88 million[Upsilon](4S)[yields] B[bar B] decays collected between 1999 and 2002 with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. From a time-independent fit we measure the charge-averaged branching fractions[Beta](B[sup 0][yields][pi][sup+][pi][sup -])= (4.7[+-] 0.6[+-] 0.2) x 10[sup -6] and[Beta](B[sup 0][yields] K[sup+][pi][sup -])= (17.9[+-] 0.9[+-] 0.7) x 10[sup -6], where the first uncertainty is statistical and the second is systematic; the 90% confidence level upper limit[Beta](B[sup 0][yields] K[sup+]K[sup -])
P1
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Author :
language : en
Publisher:
Release Date : 1987
P1 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 categories.
Branching Fractions And Cp Asymmetries In Two Body Nonleptonic Charmless B Hadron Decays
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Author : Andreas Warburton
language : en
Publisher:
Release Date : 2004
Branching Fractions And Cp Asymmetries In Two Body Nonleptonic Charmless B Hadron Decays written by Andreas Warburton 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.
Relative branching fractions of B{sub d, s}{sup 0} {yields} h{sup +}h'{sup -} decays (where h, h' = K or {pi}) and the direct Cp asymmetry A{sub CP} in the B{sub d}{sup 0} {yields} K{sup +}{pi}{sup -} mode are measured with 179 {+-} 11 pb {sup -1} of data collected using the CDF II detector at the Fermilab Tevatron p{bar p} collider. The first branching-fraction measurement of a B{sub s}{sup 0} meson to two pseudoscalars, {Beta}(B{sub s}{sup 0} {yields} K{sup +} K{sup -}), and a search for the baryon mode {Lambda}{sub b}{sup 0} {yields} p{sup +} h{sup -} are also presented, in addition to branching-fraction limits on the rare channels B{sub s}{sup 0} {yields} K{sup +} {pi}{sup -}, B{sub d}{sup 0} {yields} K{sup +}K{sup -}, and B{sub s}{sup 0} {yields} {pi}{sup +}{pi}{sup -}.
Measurements Of Branching Fractions Polarizations And Direct Cp Violation Asymmetries In B To Rho K And B To F0 980 K Decays
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Author : B. Aubert
language : en
Publisher:
Release Date : 2006
Measurements Of Branching Fractions Polarizations And Direct Cp Violation Asymmetries In B To Rho K And B To F0 980 K Decays written by B. Aubert 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.
The authors report searches for B-meson decays to the charmless final states {rho}K* and f{sub 0}(980)K* with a sample of 232 million B{bar B} pairs collected with the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} collider at SLAC.
Measurements Of Cp Violating Asymmetries And Branching Fractions In B Meson Decays To Eta K
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Author :
language : en
Publisher:
Release Date : 2003
Measurements Of Cp Violating Asymmetries And Branching Fractions In B Meson Decays To Eta K 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.