[PDF] Top 20 Study of the rare decays B-0 -> D-s((*)+)pi(-) and B-0 -> Ds(*)-K+
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Study of the rare decays B-0 -> D-s((*)+)pi(-) and B-0 -> Ds(*)-K+
... The remaining background is predominantly combina- torial in nature and arises from continuum qq production. This source is suppressed based on event topology. We compute the angle ( T ) between the thrust axis of the ... See full document
7
Search for D-0-(D)over-bar(0) mixing and a measurement of the doubly Cabibbo-suppressed decay rate in D-0 -> K pi decays
... form D candidates; combinatorial background where one or both of the tracks in the D 0 candidate do not originate from a D 0 decay; and back- ground where the kaon and the pion in the ... See full document
7
Measurement of B-0-(B)over-bar(0) flavor oscillations in hadronic B-0 decays
... which affects the background Dt distribution. The sta- tistical error 共 60.002 ps 21 兲 on this correction is included as a systematic uncertainty. An additional correction of 20.007 ps 21 is applied for a bias observed ... See full document
7
First observation of B−0→J/ψK+K− and search for B−0→J/ψϕ decays
... The data sample consists of 1:0 fb 1 of integrated lumi- nosity collected with the LHCb detector [6] using pp collisions at a center-of-mass energy of 7 TeV. The LHCb detector is a single-arm forward spectrometer ... See full document
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Observations of Λ b 0 → ΛK +π− and Λ b 0 → ΛK + K − decays and searches for other Λ b 0 and Ξ b 0 decays to Λh + h′− final states
... The analysis is based on pp collision data collected with the LHCb detector, corresponding to 1.0 fb −1 at a centre of mass energy of 7 TeV in 2011, and 2.0 fb −1 at a centre of mass energy of 8 TeV in 2012. The LHCb ... See full document
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Measurement of CP asymmetries in the decays B 0 → K *0 μ + μ − and B + → K + μ + μ −
... from B → J/ψ K (∗) events in which a muon from the decay of the J/ψ meson and a final-state hadron are misidentified as each ...the B 0 → K ∗0 µ + µ − decay mode include B ... See full document
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Search for CP violation in D ± → K S 0 K ± and D s ± → K S 0 π ± decays
... meson decays offer a unique opportunity to search for physics beyond the Standard Model ...between D 0 → K + K − and D 0 → π + π − decays by the LHCb [2–4], CDF ... See full document
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Search for CP violation in D ± → K S 0 K ± and D s ± → K S 0 π ± decays
... meson decays offer a unique opportunity to search for physics beyond the Standard Model ...between D 0 → K + K − and D 0 → π + π − decays by the LHCb [2–4], CDF ... See full document
19
Measurement of the CP violating phase phi(s) in (B)over bar(s)(0) > J / psi pi(+)pi( ) decays
... The LHCb detector [18] is a single-arm forward spectrometer covering the pseudorapidity range 2 < η < 5, designed for the study of particles containing b or c quarks. The detector includes a ... See full document
11
Study of time-dependent CP asymmetry in neutral B decays to J/psi pi(0)
... The algorithm for B-flavor tagging assigns events to one of four hierarchical, mutually exclusive tagging cate- gories, and is described in detail in Ref. [3]. The total tagging efficiency for the signal and each ... See full document
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Measurement of the CP violation parameter A {Γ} in D^{0}→K^{+}K^{ } and D^{0}→π^{+}π^{ } decays
... signal decays from the ...a D 0 candidate that is significantly displaced from any primary pp interaction vertex (PV) in the event, and at least one of these two particles must have a minimum ... See full document
10
Observation of B--/+->rho(-/+)rho(0) decays
... T. Lesiak, 27 J. Li, 35 A. Limosani, 21 S.-W. Lin, 26 D. Liventsev, 12 J. MacNaughton, 11 G. Majumder, 39 F. Mandl, 11 D. Marlow, 34 H. Matsumoto, 29 T. Matsumoto, 45 A. Matyja, 27 W. Mitaroff, 11 ... See full document
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Search for rare or forbidden decays of the $D^{0}$ meson
... Events are required to contain at least five charged tracks. Particle identification (PID) criteria are applied to all the charged tracks to identify kaons, pions, elec- trons, and muons [23, 30]. For modes with two ... See full document
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Measurements of branching fractions and CP-violating asymmetries in B-0 ->pi(+)pi(-), K+ pi(-), K+K- decays
... We use a multivariate technique [13] to determine the flavor of the B tag meson. Separate neural networks are trained to identify primary leptons, kaons, and soft pions from D decays, and ... See full document
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On mass limits for vector leptoquarks from K L 0 , B 0 , B s → l i + l j − decays with account of fermion mixing
... the decays (3) and now the current experimental data on the decays (3) give the possibility to obtain new lower mass limits for the leptoquarks from these decays with account of the fermion mixing in ... See full document
8
Model independent measurement of the CKM angle γ using B0 → DK∗0 decays with D → KS0π+π− and KS0K+K−
... The LHCb detector [34, 35] is a single-arm forward spectrometer covering the pseudo- rapidity range 2 < η < 5, designed for the study of particles containing b or c quarks. The detector includes a ... See full document
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Measurement of CP asymmetry in D 0 → K K + and D 0 → π π decays
... We express our gratitude to our colleagues in the CERN accelerator departments for the excellent performance of the LHC. We thank the technical and administrative staff at the LHCb institutes. We acknowledge support from ... See full document
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Measurements of the branching fractions of the decays B°s → D∓s K± and B°s → D¯sπ+
... are B 0 → D − s K + and B s 0 → D − s π + for B s 0 → D ∓ s K ± , and B 0 → D − π + for ... See full document
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Observation of the decay B-+/- -> pi(+/-)pi(0), study of B-+/- -> K-+/-pi(0), and search for B-0 -> pi(0)pi(0)
... photons, spatially separated in the EMC, with an invari- ant mass within 3 of the 0 mass. The resolution is approximately 8 MeV=c 2 for high momentum 0 ’s. Photon candidates are required to be ... See full document
7
Measurement of the CKM angle γ using B ± → DK ± with D → K S 0 π + π −, K S 0 K + K − decays
... The LHCb detector [24] is a single-arm forward spectrometer covering the pseudorapidity range 2 < η < 5, designed for the study of particles containing b or c quarks. The detector includes a ... See full document
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