Study of Decays $B_d \to J/\psi+ K^*$ and $B_s \to J/\psi+ \phi$ with the D0 Detector PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
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.
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
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.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The authors report preliminary measurements of the branching fractions for 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 PEP-II. They measure branching fractions of [Beta](B[sup +] [yields] J/[psi][phi]K[sup +]) = (4.4 [+-] 1.4(stat) [+-] 0.7(syst)) x 10[sup -5] and [Beta](B[sup 0] [yields] J/[psi][phi]K[sub S][sup 0]) = (5.1 [+-] 1.9(stat) [+-] 0.9(syst)) x 10[sup -5], and set upper limits at 90% C.L. for branching fractions [Beta](B[sup 0] [yields] J/[psi][phi])
Author: Publisher: ISBN: Category : Languages : en Pages : 19
Book Description
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.
Author: Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
The authors study the decay B− → J/?K−??− using 117 million B{bar B} events collected at the?(4S) resonance with the BaBar detector at the PEP-II e+e− asymmetric-energy storage ring. They measure the branching fractions?(B− → J/?K−?+?−) = (116 ± 7(stat.) ± 9(syst.)) x 10−5 and?(B− → X(3872)K−) x?(X(3872) → J/??+?−) = (1.28 ± 0.41) x 10−5 and find the mass of the X(3872) to be 3873.4 ± 1.4MeV/c2. They search for the h{sub c} narrow state in the decay B− → h{sub c} K−, h{sub c} → J/??+?− and for the decay B− → J/?D°?−, with D° → K−?+. They set the 90% C.L. limits?(B− → h{sub c}K−) x?(h{sub c} → J/??+?−)
Author: Publisher: ISBN: Category : Languages : en Pages : 24
Book Description
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.
Author: Publisher: ISBN: Category : Languages : en Pages : 24
Book Description
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.
Author: Publisher: ISBN: Category : Languages : en Pages : 8
Book Description
We present a study of the decays B{sup 0,+} --> J/???−?°K{sup 0,+}, using 467x106 B{anti B} pairs recorded with the BABAR detector. We present evidence for the decay mode X(3872) --> J/??, with product branching fractions B(B+ --> X(3872)K+) x B(X(3872) --> J/??) = [0.6 ± 0.2(stat) ± 0.1(syst)] x 10−5, and B(B° --> X(3872)K°) x B(X(3872) --> J/??) = [0.6 ± 0.3(stat) ± 0.1(syst)] x 10−5. A detailed study of the?+?−?° mass distribution from X(3872) decay favors a negative-parity assignment.
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Author: ![Study of B+c->J/[psi]D+s and B+c->J/[psi]D∗+s Decays in Pp Collisions at [square Root]s PDF](https://books.google.com/books/content/images/frontcover/NqzjzwEACAAJ?fife=w80-h100)
Author: [Study Group] ATLAS Collaboration CERN![Observation of the Three-body Rare Decay B-] J/psi Phi K. PDF](https://books.google.com/books/content/images/frontcover/mv-snQAACAAJ?fife=w80-h100)
Author: ![Study of the B- --] J/psi K- Pi+ Pi- Decay and Measurement of the B- --] X(3872) K- Branching Fraction PDF](https://books.google.com/books/content/images/frontcover/MlDywQEACAAJ?fife=w80-h100)
Author: ![Study of the B+c 2!J/[psi]D+s and B+c2!J/[psi] D*+s Decays with the ATLAS Detector PDF](https://books.google.com/books/content/images/frontcover/5hJNAQAACAAJ?fife=w80-h100)
Author: ![Study of the B+c 2!J/[Psi]D+s and B+c 2!J/[Psi]D*s+ Decays with the ATLAS Detector PDF](https://books.google.com/books/content/images/frontcover/NFkgngAACAAJ?fife=w80-h100)
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Author: Edwin L. Rogers![Evidence for the Decay X(3872) -] J/\psi\omega PDF](https://books.google.com/books/content/images/frontcover/_R6OwgEACAAJ?fife=w80-h100)
Author: ![A Study of B[right Arrow]J/[psi]K(*)0X Decays PDF](https://books.google.com/books/content/images/frontcover/DHQlNQAACAAJ?fife=w80-h100)
Author: Stephen John Bailey