Measurement Of Branching Fraction And Polarization In The Decay Beta 0 Right Arrow Rho Rho

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Measurement Of Branching Fraction And Polarization In The Decay Beta 0 Right Arrow Rho Rho

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Author : Yuriy V. Groysman
language : en
Publisher:
Release Date : 2008

Measurement Of Branching Fraction And Polarization In The Decay Beta 0 Right Arrow Rho Rho written by Yuriy V. Groysman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

Nuclear Science Abstracts

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Author :
language : en
Publisher:
Release Date : 1971

Nuclear Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Nuclear energy categories.

Measurement Of The Branching Fraction Polarization And Cp Asymmetries In B0 Rho0rho0 Decay And Implications For The Ckm Angle Alpha

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Author :
language : en
Publisher:
Release Date : 2008

Measurement Of The Branching Fraction Polarization And Cp Asymmetries In B0 Rho0rho0 Decay And Implications For The Ckm Angle Alpha written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

We study B° 2![rho]°[rho]° decays in a sample of 465 x 106 [Upsilon](4S) 2!B{bar B} events collected with the BABAR detector at the PEP-II asymmetric-energy ee− collider located at the Stanford Linear Accelerator Center (SLAC). We measure the branching fraction [Beta] = (0.92 ± 0.32 ± 0.14) x 10−6 and longitudinal polarization fraction f{sub L} = 0.75{sub -0.14}{sup +0.11} ± 0.04, where the first uncertainty is statistical and the second is systematic. The evidence for the B° 2![rho]°[rho]° signal has a significance of 3.1 standard deviations, including systematic uncertainties. We investigate the proper-time dependence of the longitudinal component in the decay and measure the CP-violating coefficients S{sub L}°° = (0.3 ± 0.7 ± 0.2) and C{sub L}°° = (0.2 ± 0.8 ± 0.3). They study the implication of these results for the unitarity triangle angle [alpha].

Measurement Of The Branching Fraction Of The B 0 Rightarrow D S Pi Decay

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Author : Roel Aaij
language : en
Publisher:
Release Date : 2020

Measurement Of The Branching Fraction Of The B 0 Rightarrow D S Pi Decay written by Roel Aaij and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.

A New Branching Ratio Measurement Of The Pion Beta Decay Pi Right Arrow Pi 0 E Nu E

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Author : Francois Charles Gaille
language : en
Publisher:
Release Date : 1982

A New Branching Ratio Measurement Of The Pion Beta Decay Pi Right Arrow Pi 0 E Nu E written by Francois Charles Gaille and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Branching ratios (Nuclear physics) categories.

Measurement Of The Branching Fraction And Polarization For The Decay B D 0k

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Author :
language : en
Publisher:
Release Date : 2003

Measurement Of The Branching Fraction And Polarization For The Decay B D 0k 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.

A Measurement Of The Beta Plus Minus Rho Plus Minus Pi Zero Branching Fraction At The Babar Experiment

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Author : Richard J. Sloane
language : en
Publisher:
Release Date : 2003

A Measurement Of The Beta Plus Minus Rho Plus Minus Pi Zero Branching Fraction At The Babar Experiment written by Richard J. Sloane 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.

Measurement Of Branching Fractions And Cp Violating Asymmetries In B Rho H

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Author :
language : en
Publisher:
Release Date : 2003

Measurement Of Branching Fractions And Cp Violating Asymmetries In B Rho H 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 in B[sup 0][yields][rho][sup[+-]][pi][sup[-+]] and B[sup 0][yields][rho][sup -]K[sup+] decays. The results are obtained from a data sample of 88.9 x 10[sup 6][Upsilon](4S)[yields] B[bar B] decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. From a time-dependent maximum likelihood fit we measure the charge-averaged branching fractions[Beta](B[sup 0][yields][rho][sup[+-]][pi][sup[-+]])= (22.6[+-] 1.8 (stat)[+-] 2.2 (syst)) x 10[sup -6] and[Beta](B[sup 0][yields][rho][sup -]K[sup+])= (7.3[sub -1.2][sup+1.3][+-] 1.3) x 10[sup -6]; and the CP-violating charge asymmetries A[sub CP][sup[rho][pi]]= -0.18[+-] 0.08[+-] 0.03 and A[sub CP][sup[rho]K]= 0.28[+-] 0.17[+-] 0.08; the direct CP violation parameter C[sub[rho][pi]]= 0.36[+-] 0.18[+-] 0.04 and the mixing-induced CP violation parameter S[sub[rho][pi]]= 0.19[+-] 0.24[+-] 0.03; and the dilution parameters[Delta]C[sub[rho][pi]]= 0.28[sub -0.19][sup+0.18][+-] 0.04 and[Delta]S[sub[rho][pi]]= 0.15[+-] 0.25[+-] 0.03.

Measurement Of The Branching Fraction For The Decay B Arrow K Gamma K Arrow K Pi 0 With The Babar Detector

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Author : Karsten Köneke
language : en
Publisher:
Release Date : 2003

Measurement Of The Branching Fraction For The Decay B Arrow K Gamma K Arrow K Pi 0 With The Babar Detector written by Karsten Köneke and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with B mesons categories.

Measurement Of The Absolute Branching Fractions For D S Rightarrow Ell Bar Nu Ell And Extraction Of The Decay Constant F D S

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Author :
language : en
Publisher:
Release Date : 2010

Measurement Of The Absolute Branching Fractions For D S Rightarrow Ell Bar Nu Ell And Extraction Of The Decay Constant F D S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.

The absolute branching fractions for the decays D{sub s}− → l−{bar?}{sub l} (l = e,?, or?) are measured using a data sample corresponding to an integrated luminosity of 521 fb−1 collected at center of mass energies near 10.58 GeV with the BABAR detector at the PEP-II ee− collider at SLAC. The number of D{sub s}− mesons is determined by reconstructing the recoiling system DKX? in events of the type e+e−DKXD*{sub s}−, where D*{sub s}− → D{sub s}−? and X represents additional pions from fragmentation. The D{sub s}− → l°{nu}{sub {ell}} events are detected by full or partial reconstruction of the recoiling system DKX?{ell}. The branching fraction measurements are combined to determine the D{sub s}− decay constant f{sub D{sub s}} = (258.6 ± 6.4 ± 7.5) MeV, where the first uncertainty is statistical and the second is systematic.