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| Author | : Nicola Gagliardi |
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| Release | : 2009 |
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| Total Pages | : 19 |
| Release | : 2005 |
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Charmless semileptonic decays, {bar B} 2!X{sub u}l{bar {nu}}, are studied in a sample of 232 million B{bar B} decays recorded with the BABAR detector, in events where the decay of the second B meson is fully reconstructed. Inclusive charmless decays are selected in kinematic regions where the dominant background from semileptonic B decays to charm is reduced by requirements on the hadronic mass M{sub X} and the momentum transfer q2. The partial branching fraction for {bar B} 2!X{sub u}l{bar {nu}} decays for M{sub X} 1.7 GeV/c2 and q2 8 GeV2/c4 is measured to be [Delta][Beta]({bar b} 2!X{sub u}l{bar {nu}}) = (0.87 ± 0.09{sub stat} ± 0.09{sub sys} ± 0.01{sub th}) x 10−3. The CKM matrix element.
| Author | : A. I. Studenikin |
| Publisher | : World Scientific |
| Total Pages | : 466 |
| Release | : 2006 |
| Genre | : Science |
| ISBN | : 9812772650 |
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| Total Pages | : 312 |
| Release | : 2004 |
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| Total Pages | : 35 |
| Release | : 2012 |
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| Release | : 2001 |
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We present preliminary measurements of the branching fractions for charmless hadronic decays of B mesons into two-body final states with kaons, pions and a[phi] resonance. The measurements are based on a data sample of approximately 23 million B[bar B] pairs collected by the BaBar detector at the PEP-II asymmetric B Factory at SLAC.
| Author | : Marcella Bona |
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| Total Pages | : 210 |
| Release | : 2001 |
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| Author | : Richard Brenner |
| Publisher | : World Scientific |
| Total Pages | : 532 |
| Release | : 2006 |
| Genre | : Science |
| ISBN | : 9812566627 |
The Lepton-Photon symposiums ? as represented by the contributions in this volume ? are among the most popular conferences in high energy physics since they give an in-depth snapshots of the status of the field as provided by leading experts.The volume covers the latest results on flavor factories, quantum chromodynamics (QCD), electroweak physics, dark matter searches, neutrino physics and cosmology, from a phenomenological point of view. It also offers a glimpse of the immediate future of the field through summaries on the status of the next generation of high energy accelerators and planned facilities for astroparticle physics.The review nature of the articles makes the volume particularly useful to students, as well as being of interest to established researches in high-energy physics and related fields.
| Author | : Richard Brenner |
| Publisher | : World Scientific |
| Total Pages | : 530 |
| Release | : 2006-01-26 |
| Genre | : Science |
| ISBN | : 9814478563 |
The Lepton-Photon symposiums — as represented by the contributions in this volume — are among the most popular conferences in high energy physics since they give an in-depth snapshots of the status of the field as provided by leading experts.The volume covers the latest results on flavor factories, quantum chromodynamics (QCD), electroweak physics, dark matter searches, neutrino physics and cosmology, from a phenomenological point of view. It also offers a glimpse of the immediate future of the field through summaries on the status of the next generation of high energy accelerators and planned facilities for astroparticle physics.The review nature of the articles makes the volume particularly useful to students, as well as being of interest to established researches in high-energy physics and related fields.
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| Total Pages | : 5 |
| Release | : 2006 |
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The latest results of exclusive charmless semileptonic decays B → [pi]lv and B → [rho]lv from the BABAR Collaboration are presented. They are based on samples of B{bar B} events recorded on the [Upsilon](4S) resonance. Several different experimental techniques are compared. Measurements of partial branching fractions in intervals of q2, the four-momentum transfer squared, allow a study of the shape of the B → [pi]lv form factor and a comparison with theoretical calculations. The Cabibbo-Kobayashi-Maskawa matrix element.
