Study Of The B J Psi K Pi Pi Decay And Measurement Of The B X 3872 K Branching Fraction

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Study Of The B J Psi K Pi Pi Decay And Measurement Of The B X 3872 K Branching Fraction

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Author :
language : en
Publisher:
Release Date : 2004

Study Of The B J Psi K Pi Pi Decay And Measurement Of The B X 3872 K Branching Fraction written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

The authors study the decay B[sup -] [yields] J/[psi]K[sup -][pi][sup +][pi][sup -] using 117 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]K[sup -] [pi][sup +][pi][sup -]) = (116 [+-] 7(stat.) [+-] 9(syst.)) x 10[sup -5] and [Beta](B[sup -] [yields] X(3872)K[sup -]) x [Beta](X(3872) [yields] J/[psi][pi][sup +][pi][sup -]) = (1.28 [+-] 0.41) x 10[sup -5] and find the mass of the X(3872) to be 3873.4 [+-] 1.4MeV/c[sup 2]. They search for the h[sub c] narrow state in the decay B[sup -] [yields] h[sub c] K[sup -], h[sub c] [yields] J/[psi][pi][sup +][pi][sup -] and for the decay B[sup -] [yields] J/[psi]D[sup 0][pi][sup -], with D[sup 0] [yields] K[sup -][pi][sup +]. They set the 90% C.L. limits [Beta](B[sup -] [yields] h[sub c]K[sup -]) x [Beta](h[sub c] [yields] J/[psi][pi][sup +][pi][sup -])

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.).

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.).

An Analysis Of The K Pi Pi Final State In B Right Arrow J Psi K Pi Pi And B Right Arrow Psi K Pi Pi

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Author : Hulya Guler
language : en
Publisher:
Release Date : 2008

An Analysis Of The K Pi Pi Final State In B Right Arrow J Psi K Pi Pi And B Right Arrow Psi K Pi Pi written by Hulya Guler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with B mesons categories.

Inclusive branching ratios have been measured for the decays B+ [right arrow] J/psi K+pi+pi− and B+ [right arrow] psiʹ K+pi+pi− using 492 fb−1 of data collected at the [Upsilon](4S) resonance by the Belle detector at KEKB. Three-dimensional amplitude analyses have been performed to study the resonant structure of the K+pi+pi− final state in these decay modes.

Kul Tura Turkmenii V Srednie Veka

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Author :
language : en
Publisher:
Release Date : 1980

Kul Tura Turkmenii V Srednie Veka written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.

Study Of B To X 3872 K With X 3872 To J Psi Pi Pi

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Author :
language : en
Publisher:
Release Date : 2008

Study Of B To X 3872 K With X 3872 To J Psi Pi Pi 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.

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Author :
language : en
Publisher:
Release Date : 1981

written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.

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 : 2004

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 2004 with categories.

The authors study B{sup ±} → J/[psi] [pi]{sup ±} and B{sup ±} → J/[psi] K{sup ±} decays in a sample of about 89 million B{bar B} pairs collected with the BABAR detector at the PEP-II asymmetric B-factory at SLAC. They observe a signal of 244 ± 20 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 [5.37 {+-} 0.45(stat.) {+-} 0.11(syst.)]%. The 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}} = 0.123 {+-} 0.085(stat.) {+-} 0.004(syst.) and [Alpha]{sub K} = 0.030 {+-} 0.015(stat.) {+-} 0.006(syst.), respectively.

Measurement Of Cp Parameters In B D Pi Pi Pi0 K And Study Of The X 3872 In B J Psi Pi Pi K With The Babar Detector

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Author : Frank Winklmeier
language : en
Publisher:
Release Date : 2006

Measurement Of Cp Parameters In B D Pi Pi Pi0 K And Study Of The X 3872 In B J Psi Pi Pi K With The Babar Detector written by Frank Winklmeier 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.

This dissertation presents two analyses performed on data collected with the BABAR detector at the SLAC PEP-II e{sup +}e{sup -} asymmetric-energy B Factory. First, a Dalitz analysis is shown that performs the first measurement of CP violation parameters in the decay B{sup -} {yields} D{sub {pi}{sup +}{pi}{sup -}{pi}{sup 0}}K{sup -} using the decay rate asymmetry and D{sup 0} - {bar D}{sup 0} interference. The results can be used to further constrain the value of the CKM angle {gamma}. The second analysis studies the properties of the X(3872) in neutral and charged B {yields} J/{psi}{pi}{sup +}{pi}{sup -}K decays. Measurements of the branching ratio and mass are presented as well as the search for additional resonances at higher masses.

Study Of The Psi 2 3823 And Chi C1 3872 States In B Rightarrow Left J Psi Pi Pi Right K Decays

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

Study Of The Psi 2 3823 And Chi C1 3872 States In B Rightarrow Left J Psi Pi Pi Right K Decays 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.