Observation Of Exclusive Two Body B Decays To Kaons And Pions PDF Download
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Release | : 2003 |
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Download OBSERVATION OF EXCLUSIVE TWO-BODY B DECAYS TO KAONS AND PIONS. Book in PDF, ePub and Kindle
We have studied two-body charmless hadronic decays of B mesons into the final states[pi][pi], K[pi], and KK. Using 3.3 million B[bar B] pairs collected with the CLEO-II detector, we have made the first observation of the decays B[sup 0][yields] K[sup+][pi][sup -], B[sup+][yields] K[sup 0][pi][sup+], and the sum of B[sup+][yields][pi][sup+][pi][sup 0] and B[sup+][yields] K[sup+][pi][sup 0] decays (an average over charge-conjugate states is always implied). We place upper limits on branching fractions for the remaining decay modes.
Author | : Alan Jay Magerkurth |
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Total Pages | : 300 |
Release | : 2003 |
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Download Measurement of Two Body B Meson Decays to Pions and Kaons with the CLEO III Detector Book in PDF, ePub and Kindle
Author | : Richard Wilson |
Publisher | : Richard Wilson |
Total Pages | : 536 |
Release | : 2011 |
Genre | : Physicists |
ISBN | : 061542158X |
Download Physics is Fun: Memoirs of a Life in Physics Book in PDF, ePub and Kindle
Author | : Heather S. Krieg |
Publisher | : |
Total Pages | : 158 |
Release | : 1999 |
Genre | : B mesons |
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Download Two-body B Meson Decays Book in PDF, ePub and Kindle
Author | : 呂榮祥 |
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Total Pages | : |
Release | : 2002 |
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Download Observation of Two-body Rare B Decays Including Meson Book in PDF, ePub and Kindle
Author | : Diego Tonelli |
Publisher | : |
Total Pages | : 264 |
Release | : 2009-12 |
Genre | : |
ISBN | : 9783838327563 |
Download First Observation of Bottom-strange Mesons Decays Into Two Kaons Book in PDF, ePub and Kindle
Author | : Alan Astbury |
Publisher | : World Scientific |
Total Pages | : 1899 |
Release | : 1999-06-11 |
Genre | : Science |
ISBN | : 9814644919 |
Download Proceedings Of The 29th International Conference On High Energy Physics: Ichep '98 (In 2 Volumes) Book in PDF, ePub and Kindle
These proceedings consist of plenary rapporteur talks covering topics of major interest to the high energy physics community and parallel sessions papers which describe recent research results and future plans.
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Total Pages | : 28 |
Release | : 2009 |
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Download Observation and Study of Baryonic B Decays Book in PDF, ePub and Kindle
We present a study of ten B-meson decays to a D{sup (*)}, a proton-antiproton pair, and a system of up to two pions using BABAR's data set of 455 x 106 B{bar B} pairs. Four of the modes {bar B}° → D°p{bar p}, {bar B}° → D*°p{bar p}, {bar B}° → Dp{bar p}?−, {bar B}° → D{sup ast+}p{bar p}?− are studied with improved statistics compared to previous measurements; six of the modes (B− → D°p{bar p}?−, B− → D*°p{bar p}?−, {bar B}° → D°p{bar p}?−?+, {bar B}° → D*°p{bar p}?−?+, B− → D+p{bar p}?−?−, B− → D{sup ast+}p{bar p}?−?−) are first observations. The branching fractions for 3- and 5-body decays are suppressed compared to 4-body decays. Kinematic distributions for 3-body decays show non-overlapping threshold enhancements in m(p{bar p}) and m(D{sup (*)0}p) in the Dalitz plots. For 4-body decays, m(p?−) mass projections show a narrow peak with mass and full width of (1497.4 ± 3.0 ± 0.9)MeV/c2 and (47 ± 12 ± 4)MeV/c2, respectively, where the first (second) errors are statistical (systematic). For 5-body decays, mass projections are similar to phase space expectations. All results are preliminary.
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Release | : 2003 |
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Download Measurements of Charmless Two-Body Charged B Decays with Neutral Pions and Kaons Book in PDF, ePub and Kindle
The authors present preliminary results of the analysis B[yields] h[pi][sup 0] and B[yields] hK[sup 0] decays (with h=[pi][sup[+-]], K[sup[+-]]) from a sample of approximately 60 million B[bar B] pairs collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. They find evidence for a signal in B[sup+][yields][pi][sup+][pi][sup 0], and they measure the branching fraction[Beta](B[sup+][yields][pi][sup+][pi][sup 0])= (4.1[sub -1.0][sup+1.1][+-] 0.8) x 10[sup -6].
Author | : Shahram Rahatlou |
Publisher | : |
Total Pages | : 524 |
Release | : 2002 |
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Download Observation of Matter-antimatter Asymmetry in the B° Meson System Book in PDF, ePub and Kindle