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| Author | : Karsten Köneke |
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| Total Pages | : 198 |
| Release | : 2003 |
| Genre | : B mesons |
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| Author | : K. Koeneke |
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| Total Pages | : |
| Release | : 2006 |
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The branching fraction of the radiative penguin B meson decay B{sup {+-}} {yields} K*{sup {+-}}{gamma} is measured at the PEP-II asymmetric energy e{sup +}e{sup -} collider, operating at a center of momentum energy of 10.58 GeV, the {Upsilon}(4S) resonance. This document concentrates on the case K*{sup {+-}} {yields} K{sup {+-}}{pi}{sup 0}; {pi}{sup 0} {yields} {gamma}{gamma}. This analysis is based on a dataset of 88.2-million {Upsilon}(4S) {yields} B{bar B} events corresponding to 81.3 fb{sup -1} collected with the BABAR detector.
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| Release | : 2002 |
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The presented study of the radiative electroweak "penguin"--Decay B->K*(892)gamma, proceeding by the b->sgamma "loop"-transition, provides an important test of the Standard Model and a candidate of the search for New Physics. The used data sample has been recorded at the Y(4S) resonance with the BABAR detector at the asymmetric electron-positron- collider PEP-II of the Stanford Linear Accelerator Center (SLAC) in California. The B->K*gamma branching fractions are measured in four K*-decay modes. A search for direct CP-violation in the B->K*gamma mode has also been carried out.
| Author | : Tilmann Colberg |
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| Total Pages | : 208 |
| Release | : 2002 |
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| Release | : 2005 |
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The authors measure the branching fraction and the CP-violating asymmetry of B° 2!K{sub S}°[pi]° decays with 227 million [Upsilon](4S) 2!B{bar B} events collected with the BABAR detector at the PEP-II asymmetric-energy ee− collider at SLAC. They obtain a branching fraction [Beta](B° 2!K°[pi]°) = (11.4 ± 0.9 ± 0.6) x 10−6 and CP-violating asymmetry parameters C{sub K{sub S}°[pi]°} = 0.06 ± 0.18 ± 0.03 and S{sub K{sub S}°[pi]°} = 0.35{sub -0.33}{sup +0.30} ± 0.04, where the first error is statistical and the second systematic.
| Author | : Tilmann Colberg |
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| Total Pages | : |
| Release | : 2002 |
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| Author | : Tilmann Colberg |
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| Release | : 2002 |
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| Author | : Michael Peter George |
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| Total Pages | : |
| Release | : 2001 |
| Genre | : Nuclear physics |
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| Author | : Tilmann Colberg |
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| Total Pages | : 106 |
| Release | : 2002 |
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| Author | : Yuriy V. Groysman |
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| Total Pages | : 214 |
| Release | : 2008 |
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