Branching Ratio Measurements Of B J Psi Eta K And B D0k With D0 Pi Pi Pi 0

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Branching Ratio Measurements Of B J Psi Eta K And B D0k With D0 Pi Pi Pi 0

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Author : Qinglin Zeng
language : en
Publisher:
Release Date : 2005

Branching Ratio Measurements Of B J Psi Eta K And B D0k With D0 Pi Pi Pi 0 written by Qinglin Zeng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Beta decay 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.

Measurement Of The Ratio Of Branching Ratios B B To J Psi Pi

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Author :
language : en
Publisher:
Release Date : 1996

Measurement Of The Ratio Of Branching Ratios B B To J Psi 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 1996 with categories.

This thesis reports on a measurement of the branching ratio of the Cabibbo-suppressed decay B$+\atop{u}$ 2!J/[Psi][pi]+, where J/[Psi] 2![mu]+[mu]-

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 -])

Measurement Of The Branching Ratios Psi Prime E E Psi Prime J Psi Pi Pi And Psi Prime J Psi Eta

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Author :
language : en
Publisher:
Release Date : 2005

Measurement Of The Branching Ratios Psi Prime E E Psi Prime J Psi Pi Pi And Psi Prime J Psi Eta 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.

The authors have measured several branching ratios for?' decay using the data collected by FNAL E835 experiment during year 2000, obtaining?(?' 2!ee−) = 0.0068 ± 0.0001 ± 0.0004,?(?' 2!J/??+?−) = 0.292 ± 0.005 ± 0.018,?(?' 2!J/??°?°) = 0.167 ± 0.005 ± 0.014 and?(?' 2!J/??) = 0.028 ± 0.002 ± 0.002. They also present a measurement of the dipion mass distribution in the decays?' 2!J/???

Measurement Of Branching Ratio D0 K Pi Using Partial Reconstruction Of Anti B D X Lepton Anti Neutrino

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Author :
language : en
Publisher:
Release Date : 2003

Measurement Of Branching Ratio D0 K Pi Using Partial Reconstruction Of Anti B D X Lepton Anti Neutrino 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 a measurement of the absolute branching fraction for D[sup 0][yields] K[sup -][pi][sup+] using the reconstruction of the decay chain[bar B][yields] D*[sup+]X[ell][sup -][bar[nu]], D*[sup+][yields] D[sup 0][pi][sup+] where only the lepton and the low-momentum pion from the D*[sup+] are detected. With data collected by the CLEO II detector at the Cornell Electron Storage Ring, we have determined Br(D[sup 0][yields] K[sup -][pi][sup+])=[3.81[+-] 0.15(stat.)[+-] 0.16(syst.)]%.

Measurement Of The Branching Ratio For D Sup Yields Bar K 892 Degrees Mu Sup Nu

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Author :
language : en
Publisher:
Release Date : 1992

Measurement Of The Branching Ratio For D Sup Yields Bar K 892 Degrees Mu Sup Nu written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.

The branching ratio for the decay mode D[sup +] [yields] [bar K]*[sup 0] [mu][sup +][nu] has been measured with two methods. The first uses D[sup 0] [yields] [bar K] [sup [minus]][mu][sup +][nu] for normalization, and yields the result B(D[sup +] [yields] [bar K]*[sup 0] [mu][sup +][nu] = (3.25 [plus minus] 0.71 [plus minus] 0.75)%. From this method we also obtain the direct measurement [Gamma](D[sup +] [yields][bar K]*[sup 0][mu][sup +] [nu]/[Gamma](D[sup 0] [yields] K[sup [minus]] [mu][sup +] [nu]) = 0.43 [plus minus] 0.09 [plus minus] 0.09. The second method uses the mode D[sup +] [yields] K[sup [minus]][pi][sup +] [pi][sup +] for normalization and yields B(D[sup +] [yields] [bar K]*[sup 0] [mu][sup +][nu]) = 4.18 [plus minus] 0.66 [plus minus]0.96)%. Combining the results of the two methods yields B(D[sup +] [yields] [bar K]*[sup 0][mu][sup +][nu]) = 3.57 [plus minus] 0.96)%.

Measurement Of The B D0k Branching Fraction

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Author : B. Aubert
language : en
Publisher:
Release Date : 2006

Measurement Of The B D0k Branching Fraction written by B. Aubert 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.

From a sample of 232 million {Upsilon}(4S) {yields} B{bar B} events collected with the BABAR detector at the PEP-II B Factory in 1999-2004, they measure the B{sup -} {yields} D{sup 0} K*{sup -}(892) decay branching fraction using events where the K*{sup -} is reconstructed in the K{sub S}{sup 0}{pi}{sup -} mode and the D{sup 0} in the K{sup -}{pi}{sup +}, K{sup -}{pi}{sup +}{pi}{sup 0}, and K{sup -}{pi}{sup +}{pi}{sup +}{pi}{sup -} channels: {Beta}(B{sup -} {yields} D{sup 0}K*{sup -}(892)) = (5.29 {+-} 0.30 (stat) {+-} 0.34 (syst)) x 10{sup -4}.

Measurement Of The Branching Ratios For The Decays J Psi Rho Pi And J Psi Gamma Eta

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Author :
language : en
Publisher:
Release Date : 1976

Measurement Of The Branching Ratios For The Decays J Psi Rho Pi And J Psi Gamma Eta written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.

A Measurement Of The Relative Branching Ratio Br B D0 K Br B D0 Pi In Three D0 Decay Modes

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Author : Hung-Chung Fang
language : en
Publisher:
Release Date : 2011

A Measurement Of The Relative Branching Ratio Br B D0 K Br B D0 Pi In Three D0 Decay Modes written by Hung-Chung Fang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

Using 1.3 fb-̂1 of data from p-pbar collisions at sqrt{s}=1.96 TeV collected with the CDF II detector at the Fermilab Tevatron, we have measured the relative branching ratio BR(B-̂ -> D0̂ K-̂)/BR(B-̂ -> D0̂ pi-̂) and its charge conjugate in the D0̂ flavor decay mode D0̂_f -> K-̂pi+̂ and the CP-even decay modes D0̂ -> K-̂K+̂ and D0̂ -> pi-̂pi+̂. From these measurements, we derive: R = (7.99 +- 0.33(stat.) +- 0.38(sys.)) %, R_{CP+} = 1.15 +- 0.17(stat.) +- 0.02(sys.), A_{CP+} = 0.10 +- 0.15(stat.) +- 0.02(sys.). These values are consistent with Standard Model expectations.