Study Of The B C 2 J Psi D S And B C2 J Psi D S Decays With The Atlas Detector

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Study Of The B C 2 J Psi D S And B C2 J Psi D S Decays With The Atlas Detector

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Author :
language : en
Publisher:
Release Date : 2016

Study Of The B C 2 J Psi D S And B C2 J Psi D S Decays With The Atlas Detector 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.

In this study, the decays B+c → J/[psi]D+s and B+c → J/[psi] D*+s are studied with the ATLAS detector at the LHC using a dataset corresponding to integrated luminosities of 4.9 and 20.6 fb-1 of pp collisions collected at centre-of-mass energies √s=7 TeV and 8 TeV, respectively. Signal candidates are identified through J/[psi] → [mu]+[mu]- and D(*)+s → [Phi][pi]+([gamma]/[pi]0) decays. With a two-dimensional likelihood fit involving the B+c reconstructed invariant mass and an angle between the [mu]+ and D+s candidate momenta in the muon pair rest frame, the yields of B+c → J/[psi]D+s and B+c → J/[psi] D*+s, and the transverse polarisation fraction in B+c → J/[psi] D*+s decay are measured.

Study Of The B C 2 J Psi D S And B C 2 J Psi D S Decays With The Atlas Detector

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Author :
language : en
Publisher:
Release Date : 2016

Study Of The B C 2 J Psi D S And B C 2 J Psi D S Decays With The Atlas Detector 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.

The decays B+c → J/[Psi]D+s and B+c → J/[Psi]D*s+ are studied with the ATLAS detector at the LHC using a dataset corresponding to integrated luminosities of 4.9 and 20.6 fb-1 of pp collisions collected at centre-of-mass energies √s = 7 TeV and 8 TeV, respectively. Furthermore, signal candidates are identified through J/[psi] → [mu]+[mu]- and D(*)+s → [Phi][pi]+([gamma]/[pi]0) decays.

Study Of B C J Psi D S And B C J Psi D S Decays In Pp Collisions At Square Root S

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Author : [Study Group] ATLAS Collaboration CERN
language : en
Publisher:
Release Date : 2022

Study Of B C J Psi D S And B C J Psi D S Decays In Pp Collisions At Square Root S written by [Study Group] ATLAS Collaboration CERN and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.

Observation Of The Three Body Rare Decay B J Psi Phi K

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Author :
language : en
Publisher:
Release Date : 2010

Observation Of The Three Body Rare Decay B J Psi Phi K 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 authors report the study of the B meson decays B{sup ±} 2!J/[psi][phi]K{sup ±}, B° 2!J/[psi][phi]K° using 433 million of B{bar B} events collected at the [Upsilon](4S) resonance with the BABAR detector at the PEP-II ee− asymmetric-energy collider. They obtain the branching fraction measurements: [Beta](B{sup ±} 2!J[psi][phi]K{sup ±}) = (5.6 {+-} 0.9(stat) {+-} 0.3(sys)) x 10−5, [Beta](B{sup {+-}} 2!J[psi][phi]K°) = (5.4 {+-} 1.2(stat) {+-} 0.4(sys)) x 10−5.

Rare B Decays To States Containing A J Psi Meson

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Author :
language : en
Publisher:
Release Date : 2003

Rare B Decays To States Containing A J Psi Meson 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 a study of the B meson decays, B[sup+][yields] J/[psi][phi]K[sup+], B[sup 0][yields] J/[psi][phi]K[sub S][sup 0], B[sup 0][yields] J/[psi][phi], B[sup 0][yields] J/[psi][eta] and B[sup 0][yields] J/[psi][eta][prime] using 56 million B[bar B] events collected at the[Upsilon](4S) resonance with the BABAR detector at the PEP-II e[sup+]e[sup -] asymmetric-energy storage ring. They measure the branching fractions[Beta](B[sup+][yields] J/[psi][phi]K[sup+])= (4.4[+-] 1.4(stat)[+-] 0.5(syst)) x 10[sup -5] and[Beta](B[sup 0][yields] J/[psi][phi]K[sub S][sup 0])= (5.1[+-] 1.9(stat)[+-] 0.5(syst)) x 10[sup -5], and set upper limits at 90% confidence level for the branching fractions[Beta](B[sup 0][yields] J/[psi][phi])

A Study Of B Sup 2 J Psi Pi Sup And B Sup 2 J Psi K Sup Decays

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Author :
language : en
Publisher:
Release Date : 2002

A Study Of B Sup 2 J Psi Pi Sup And B Sup 2 J Psi K Sup Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

The authors have studied the B{sup ±} → J/[psi][pi]{sup ±} and B{sup ±} → J/[psi]K{sup ±} decays using a 20.7 fb−1 data set collected with the BABAR detector. They observe a signal of 51 ± 10 B{sup ±} → J/[psi][pi]{sup ±} events and determine the ratio [Beta]({sup {+-}} → J/[psi][pi]{sup {+-}})/[Beta](B{sup {+-}} → J/[psi]K{sup {+-}}) to be [3.91 {+-} 0.78(stat.) {+-} 0.19(syst.)]%. The CP-violating charge asymmetries for the B{sup {+-}} → J/[psi][pi]{sup {+-}} and B{sup {+-}} → J/[psi]{sup {+-}}K{sup {+-}} decays are determined to be [Alpha]{sub {pi}} = 0.01 {+-} 0.22(stat.) {+-} 0.01(syst.) and [Alpha]{sub K} = 0.003 {+-} 0.030(stat.) {+-} 0.004(syst.).

Prospects Of Observing The Decay Bc J Psi Pi And The Alignment Performance In The Atlas Experiment

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Author : Weina Ji
language : en
Publisher:
Release Date : 2010

Prospects Of Observing The Decay Bc J Psi Pi And The Alignment Performance In The Atlas Experiment written by Weina Ji 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 Study Of B J Psi Pi And B J Psi K Decays

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Author :
language : en
Publisher:
Release Date : 2002

A Study Of B J Psi Pi And B J Psi K Decays written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

We have studied the B{sup ±} → J/[psi][pi]{sup ±} and B{sup ±} → J/[psi] K{sup ±} decays using a 20.7 fb−1 data set collected with the BABAR detector. We observe a signal of 51 ± 10 B{sup ±} → J/[psi][pi]{sup ±} events and determine the ratio [Beta](B{sup {+-}} → J/[psi][pi]{sup {+-}})/[Beta](B{sup {+-}} → J/[psi] K{sup {+-}}) to be [3.91 {+-} 0.78(stat.) {+-} 0.19(syst.)]%. The CP-violating charge asymmetries for the B{sup {+-}} → J/[psi] [pi]{sup {+-}} and B{sup {+-}} → J/[psi] K{sup {+-}} decays are determined to be [Alpha]{sub {pi}} = 0.01 {+-} 0.22(stat.) {+-} 0.01(syst.) and [Alpha]{sub K} = 0.003 {+-} 0.030(stat.) {+-} 0.004(syst.).

Study Of Decays B D To J Psi K And B S To J Psi Phi With The D0 Detector

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Author :
language : en
Publisher:
Release Date : 2009

Study Of Decays B D To J Psi K And B S To J Psi Phi With The D0 Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.

We present measurements of the linear polarization amplitudes and the strong relative phases that describe the flavor-untagged decays B{sub d} → J/[Psi] K* and B{sub s} → J/[Psi][phi] in the transversity basis. We also measure the mean lifetime of the B{sub s} mass eigenstates and the lifetime ratio. The analyses are based on approximately 2.8 fb−1 of data recorded with the D0 detector. From our measurements of the angular parameters we conclude that there is no evidence for a deviation from flavor SU(3) symmetry for these decays and that the factorization assumption is not valid for the B{sub d} → J/[Psi] K* decay.

Measurement Of B Hadron Masses In Exclusive J Psi Decays With The Cdf Detector

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Author :
language : en
Publisher:
Release Date : 2005

Measurement Of B Hadron Masses In Exclusive J Psi Decays With The Cdf Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.