Measurement Of Branching Fractions And Cp And Isospin Asymmetry In B K892gamma Decays PDF Download
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| Total Pages | : 7 |
| Release | : 2009 |
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Download Measurement of Branching Fractions and CP and Isospin Asymmetry in B-]K*(892)gamma Decays Book in PDF, ePub and Kindle
We present an analysis of the decays B° → K*°(892)? and B → K*+(892)? using a sample of about 383 million B{bar B} events collected with the BABAR detector at the PEP-II asymmetric energy B factory. We measure the branching fractions?(B° → K*°?) = (4.47 ± 0.10 ± 0.16) x 10−5 and?(B+ → K*+?) = (4.22 ± 0.14 ± 0.16) x 10−5. We constrain the direct CP asymmetry to be -0.033
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| Release | : 2004 |
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Download Measurement of Branching Fractions, and CP and Isospin Asymmetries, for B --] K* Gamma Book in PDF, ePub and Kindle
The branching fractions of the decays B[sup 0] [yields] K*[sup 0][gamma] and B[sup +] [yields] K*[sup +][gamma] are measured using a sample of 88 x 10[sup 6] B[bar B] events collected with the BABAR detector at the PEP-II asymmetric-energy e[sup +]e[sup -] collider. They find [Beta](B[sup 0] [yields] K*[sup 0][gamma]) = (3.92 [+-] 0.20(stat.) [+-] 0.24(syst.)) x 10[sup -5], [Beta] (B[sup +] [yields] K*[sup +][gamma]) = (3.87 [+-] 0.28(stat.) [+-] 0.26(syst.)) x 10[sup -5]. The measurements also constrain the direct CP asymmetry to be -0.074
| Author | : Patrick Michael Spradlin |
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| Total Pages | : 554 |
| Release | : 2005 |
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Download Measurements of the Branching Fraction, CP Asymmetry and Isospin Asymmetry of the Radiative Penguin Deca [neutral B Meson Decays to Neutral Kaon(0) Resonance] and a Search for the Decays [B Meson Decays to Rho Photon] and [neutral B Meson Decays to Omega Photon] at BABAR Book in PDF, ePub and Kindle
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| Total Pages | : 20 |
| Release | : 2008 |
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Download Measurement of Branching Fractions and CP and Isospin Asymmetries of B -] K* G Book in PDF, ePub and Kindle
We present a preliminary analysis of the decays B° → K*°? and B → K*+? using a sample of 383 million B{bar B} events collected with the BABAR detector at the PEP-II asymmetric energy B factory. We measure the branching fractions?(B° → K*°?) = (4.58 ± 0.10 ± 0.16) x 10−5 and?(B+ → K*+?) = (4.73 ± 0.15 ± 0.17) x 10−5. We measure the direct CP asymmetry to be -0.043
| Author | : Patrick Michael Spradlin |
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| Total Pages | : 264 |
| Release | : 2006 |
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Download Measurements of the Branching Fraction, CP Asymmetry And Isospin Asymmetry of the Radiative Penguin B0 ---] K*0 Gamma And a Search for the Decays B0 ---] Rho GammaAnd B0 ---] Omega Gamma at BaBar Book in PDF, ePub and Kindle
| Author | : James Robert Gaillard |
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| Total Pages | : 0 |
| Release | : 2005 |
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Download A Measurement of the Branching Fractions and CP Asymmetries for the Decays B±{u2192}p±???????? and B±{u2192}K*???????? with the Babar Detector Book in PDF, ePub and Kindle
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| Release | : 2004 |
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Download 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]. Book in PDF, ePub and Kindle
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.
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| Total Pages | : 179 |
| Release | : 2005 |
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Download A Measurement of the Branching Fractions and CP Asymmetries of the Decays B± {u2192} K*±?0 and B± {u2192} ?±?0 at BaBar Book in PDF, ePub and Kindle
Measurements of the branching fractions (average over charge-conjugate decays), B, and CP violating asymmetries, ACP, of the decays B± → K*±?0 and B± → ?±?0 are presented.
| Author | : 許祖達 |
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| Release | : 2011 |
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Download Measurements of Branching Fractions and CP Asymmetries of B->ηh Decays Book in PDF, ePub and Kindle
| Author | : Hulya Atmacan |
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| Total Pages | : 195 |
| Release | : 2010 |
| Genre | : B mesons |
| ISBN | : 9781124263076 |
Download Measurements of Branching Fractions and CP Asymmetries in Decays of a B Meson to Two Phi Mesons and a K Meson Book in PDF, ePub and Kindle
We present measurements of the decays B[superscript +] [arrow right] [straight phi][straight phi] K [superscript +] and B[superscript o] [arrow right] [straight phi][straight phi] K [superscript o] using about 464 million BB[superscript -] pairs collected by the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. We report the branching fractions of the decays B [superscript +] [arrow right] [straight phi][straight phi] K[superscript +] and B[superscript o] [arrow right] [straight phi][straight phi] K[superscript o], and CP asymmetry in the charged B mode for [straight phi][straight phi] invariant mass below 2.85 GeV/ c 2 : [Special characters omitted.] Additionally, we measure the direct CP asymmetry in B[superscript +] [arrow right] [straight phi][straight phi] K [superscript +] for [straight phi][straight phi] invariant mass within the [eta][subcript c] resonance region ([2.94-3.02] GeV/ c 2): [Special characters omitted.] No direct CP asymmetry is observed both below the [eta][subcript c] and within the [eta][subcript c] resonance, as expected within the Standard Model. In each case the uncertainties are statistical and systematic, respectively.
