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Search For T Cp And Cpt Violation In B0 B0bar Mixingwith Inclusive Dilepton Events


Search For T Cp And Cpt Violation In B0 B0bar Mixingwith Inclusive Dilepton Events
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Search For T Cp And Cpt Violation In B0 B0bar Mixingwith Inclusive Dilepton Events


Search For T Cp And Cpt Violation In B0 B0bar Mixingwith Inclusive Dilepton Events
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Author :
language : en
Publisher:
Release Date : 2006

Search For T Cp And Cpt Violation In B0 B0bar Mixingwith Inclusive Dilepton Events written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.


The authors report the results of a search for T, CP and CPT violation in B°-{bar B}° mixing using an inclusive dilepton sample collected by the BABAR experiment at the PEP-II B Factory. Using a sample of 232 million B{bar B} pairs, with a simultaneous likelihood fit of the same-sign and opposite-sign dileptons, they measure the T and Cp violation parameter



Search For T And Cp Violation In B0 B0bar Mixing With Inclusive Dileptons Events


Search For T And Cp Violation In B0 B0bar Mixing With Inclusive Dileptons Events
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Author :
language : en
Publisher:
Release Date : 2003

Search For T And Cp Violation In B0 B0bar Mixing With Inclusive Dileptons Events 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.


The authors report the results of a search for T and CP violation in B[sup 0]-[bar B][sup 0] mixing using an inclusive dilepton sample collected by the BABAR experiment at the PEP-II B Factory. The asymmetry between[ell][sup+][ell][sup+] and[ell][sup -][ell][sup -] events allows the authors to compare the probabilities for[bar B][sup 0][yields] B[sup 0] and B[sup 0][yields][bar B][sup 0] oscillations and thus probe T and CP invariance. Using a sample of 23 million B[bar B] pairs, they measure a same-sign dilepton asymmetry of A[sub T/CP]= (0.5[+-] 1.2(stat)[+-] 1.4(syst))%. For the modulus of the ratio of complex mixing parameters p and q, they obtainq/p= 0.998[+-] 0.006(stat)[+-] 0.007(syst).



Study Of Cp Asymmetry In B0 B0bar Mixing With Inclusive Dilepton Events


Study Of Cp Asymmetry In B0 B0bar Mixing With Inclusive Dilepton Events
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Author :
language : en
Publisher:
Release Date : 2014

Study Of Cp Asymmetry In B0 B0bar Mixing With Inclusive Dilepton Events written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.




Study Of T And Cp Violation In B Sup 0 Anti B Sup 0 Mixing With Inclusive Dilepton Events


Study Of T And Cp Violation In B Sup 0 Anti B Sup 0 Mixing With Inclusive Dilepton Events
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Author :
language : en
Publisher:
Release Date : 2001

Study Of T And Cp Violation In B Sup 0 Anti B Sup 0 Mixing With Inclusive Dilepton Events written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.


We report a study of T and CP violation in B[sup 0][bar B][sup 0] mixing using an inclusive dilepton sample collected by the BABAR experiment at the PEP-II B Factory. The asymmetry between[ell][sup+][ell][sup+] and[ell][sup -][ell][sup -] allows us to compare the probabilities for[bar B][sup 0][yields] B[sup 0] and B[sup 0][yields][bar B][sup 0] oscillations and thus probe T and CP invariance. A sample of 20,381 same-sign dilepton events is selected in the 1999--2000 data sample, corresponding to an integrated luminosity of 20.7 fb[sup -1] on the[Upsilon](4S) resonance. We measure a same-sign dilepton asymmetry of A[sub T]= (0.5[+-] 1.2[+-] 1.4)%; for the parameter[epsilon][sub B] representing T and CP violations in mixing, we obtain a preliminary result of Re([epsilon][sub B])/1+[epsilon][sub B][sup 2]= (1.2[+-] 2.9[+-] 3.6) x 10[sup -3].



Study Of T And Cp Violation In B Anti B Mixing With Inclusive Dilepton Events


Study Of T And Cp Violation In B Anti B Mixing With Inclusive Dilepton Events
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Author :
language : en
Publisher:
Release Date : 2001

Study Of T And Cp Violation In B Anti B Mixing With Inclusive Dilepton Events written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.


We report a study of T and CP violation in B°{bar B}° mixing using an inclusive dilepton sample collected by the BABAR experiment at the PEP-II B Factory. The asymmetry between ll and l−l− allows us to compare the probabilities for {bar B}° 2!B° and B° 2!{bar B}° oscillations and thus probe T and CP invariance. A sample of 20,381 same-sign dilepton events is selected in the 1999--2000 data sample, corresponding to an integrated luminosity of 20.7 fb−1 on the [Upsilon](4S) resonance. We measure a same-sign dilepton asymmetry of A{sub T} = (0.5 ± 1.2 ± 1.4)%; for the parameter [epsilon]{sub B} representing T and CP violations in mixing, we obtain a preliminary result of Re([epsilon]{sub B})/1 +



Search For Cpt And Lorentz Violation In B0 B0bar Oscillations With Dilepton Events


Search For Cpt And Lorentz Violation In B0 B0bar Oscillations With Dilepton Events
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Author :
language : en
Publisher:
Release Date : 2007

Search For Cpt And Lorentz Violation In B0 B0bar Oscillations With Dilepton Events written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.


We report results of a search for CPT and Lorentz violation in B°-{bar B}° oscillations using inclusive dilepton events from 232 million [Upsilon](4S) → B{bar B} decays recorded by the BABAR detector at the PEP-II B Factory at SLAC. We find 2.8[sigma] significance, compatible with no signal, for variations in the complex CPT violation parameter z at the Earth's sidereal frequency and extract values for the quantities [Delta]a{sub {mu}} in the general Lorentz-violating standard-model extension. The spectral powers for variations in z over the frequency range 0.26 year−1 to 2.1 day−1 are also compatible with no signal.



Measurement Of Cp Violation In B0 B0bar Mixing Using Semileptonic Decays At Lhcb


Measurement Of Cp Violation In B0 B0bar Mixing Using Semileptonic Decays At Lhcb
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Author : Lucia Grillo
language : en
Publisher:
Release Date : 2015

Measurement Of Cp Violation In B0 B0bar Mixing Using Semileptonic Decays At Lhcb written by Lucia Grillo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Measurement categories.




Search For Mixing Induced Cp Violation Using Partial Reconstruction Of B0bar D Xl Nubar And Kaon Tagging


Search For Mixing Induced Cp Violation Using Partial Reconstruction Of B0bar D Xl Nubar And Kaon Tagging
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Author :
language : en
Publisher:
Release Date : 2016

Search For Mixing Induced Cp Violation Using Partial Reconstruction Of B0bar D Xl Nubar And Kaon Tagging written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.




D0 Evidence For Cp Violation And Implication For Cpt Violation In B Meson Mixing


D0 Evidence For Cp Violation And Implication For Cpt Violation In B Meson Mixing
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Author :
language : en
Publisher:
Release Date : 2010

D0 Evidence For Cp Violation And Implication For Cpt Violation In B Meson Mixing 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.


A D0 analysis measuring the charge asymmetry A{sub sl}{sup b} of like-sign dimuon events due to semileptonic b-hadron decays at the Fermilab Tevatron Collider is described. It differs by 3.2 standard deviations from the Standard Model prediction to provide first evidence of CPT-invariant anomalous CP violation in the mixing of neutral B mesons, and is compared to the CP-violating phase obtained from a D0 analysis of the time-dependent decay angles in B{sub s}° → J/[psi][phi]. If CPT violation is allowed, the dimuon asymmetry also yields the first sensitivity to CPT violation in the B{sub s}° system.



Uncle Sam Is The Man All Tattered And Torn


Uncle Sam Is The Man All Tattered And Torn
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Author :
language : en
Publisher:
Release Date : 1861

Uncle Sam Is The Man All Tattered And Torn written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1861 with Uncle Sam (Symbolic character) categories.