[PDF] Top 20 Differential branching fraction and angular analysis of the B+ → K+μ+μ decay
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Differential branching fraction and angular analysis of the B+ → K+μ+μ decay
... the differential branching fraction measurement, the largest source of systematic un- certainty comes from an uncertainty of ∼ 4% on the B + → K + J/ψ and J/ψ → µ + µ − branching ... See full document
16
Angular analysis and differential branching fraction of the decay Bs0 → ϕμ+μ−
... cation performance and tracking efficiency, amount to a systematic uncertainty of less than 0.01 in total. Furthermore, the kinematic distributions of the final-state particles are cross- checked using the control mode ... See full document
35
Differential branching fraction and angular analysis of Λb0 → Λμ+μ− decays
... 0 b baryon decays is of considerable interest for several ...0 b baryon has non-zero spin, there is the potential to improve the limited understanding of the helicity structure of the underlying ... See full document
29
Differential branching fraction and angular analysis of the decay B0s→ϕμ+μ−
... a B 0 s candidate are fit to a common vertex, which is required to be of good quality (χ 2 vtx < 30) and well separated from the PV (χ 2 FD > 121, where FD denotes the flight ...the B s 0 momentum ... See full document
19
Differential branching fraction and angular analysis of the decay B0→K∗0μ+μ−
... of B 0 → K ∗0 J/ψ (J/ψ → µ + µ − ) candidates is used to represent the B 0 → K ∗0 µ + µ − signal in the BDT ...The decay B 0 → K ∗0 J/ψ is used through- out this ... See full document
32
Differential branching fraction and angular analysis of the decay B0→K*0μ+μ
... the B 0 momentum and pseudorapidity distributions is verified by using B 0 ! J= c K 0 ...The decay D þ ! D 0 þ , where D 0 ! K þ , is used to give an unambiguous source of kaons and ... See full document
9
Observation of a resonance in B+ →K+μ+μ− decays at low recoil
... the differential branching fraction in the SM (see, for example, ...A k r which depend on m þ ...phase k which represents the strong phase difference between the nonresonant vector ... See full document
9
First observation of the decay B+→π+μ+μ−
... The B + → J/ψ K + and B + → K + µ + µ − decay candidates are isolated by replacing the pion PID criteria with a requirement to select ...the B + → J/ψ K + candidates are ... See full document
19
Measurement of the branching fraction and CP content for the decay B-0 -> D*+D*-
... and angular resolutions of 3% and 4 mrad, respectively, for 1 GeV ...reconstructed B direction and the thrust axis of the rest of the event, calculated in the 4S rest frame, be less than ... See full document
7
Search for lepton number violating decays B+ >π μ+μ+ and B+ >K μ+μ+
... the decay þ ! þ þ set limits in the coupling versus H þþ mass ...couplings, B þ ! h þ þ decays do not in- volve any lepton flavor ...on B þ ! h þ þ branching fractions. For K þ ! þ þ ... See full document
9
Search for the decay D0→π+π−μ+μ−
... absolute branching fraction is given using an estimate of the branching fraction of the normalisation ...(→ μ + μ − ) branching fraction is estimated us- ing the ... See full document
11
Search for the rare decay D0→μ+μ−
... involve K and B ...→ μ + μ − decay is very rare in the SM because of additional helicity suppres- ...the branching fraction ( B ) is of the order of 10 − 18 while ... See full document
11
Measurement of the CP asymmetry in B+→K+μ+μ− decays
... in B þ ! þ þ decays to be large [24], and so the analysis is performed again for values of A CP ðB þ ! þ þ Þ ¼ 0:5, with the larger of the two deviations in A CP ðB þ ! K þ þ Þ taken as the ... See full document
10
Measurement of the B0s→μ+μ− branching fraction and search for B0→μ+μ− decays at the LHCb experiment
... the B IP is minimal, and dimuon invariant mass in the range ½ 4900 ; 6000 MeV =c 2 are ...The B 0 ðsÞ ! h þ h 0 selection is the same as that of B 0 ðsÞ ! þ , except that muon identification criteria ... See full document
10
First observation and measurement of the branching fraction for the decay Bs0 → Ds∗∓K±
... The LHCb detector [5, 6] 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 high-precision ... See full document
16
Measurement of form factor independent observables in the decay B0→K*0μ+μ
... form-factor-independent angular observables in the decay B 0 ! K ð892Þ 0 þ ...The analysis is based on a data sample corresponding to an integrated luminosity of 1:0 fb 1 , collected by ... See full document
9
Differential branching fraction and angular moments analysis of the decay B0 → K+π−μ+μ− in the K0,2∗(1430)0 region
... present analysis, the requirements of ref. [4] for the K ∗ (892) 0 region are applied to a wider m(K + π − ) invariant mass ...from B 0 → J/ψ K ∗ (892) 0 candidates, where the π − ... See full document
24
Measurement of the differential branching fraction of the decay Λ0b→Λμ+μ−
... V. Coco 40 , J. Cogan 6 , E. Cogneras 5 , P. Collins 37 , A. Comerma-Montells 35 , A. Contu 15 , 37 , A. Cook 45 , M. Coombes 45 , S. Coquereau 8 , G. Corti 37 , B. Couturier 37 , G.A. Cowan 49 , D.C. Craik 47 , ... See full document
12
Search for the rare decay Kºs → μ+μ−
... The search region is defined as the mass range [492, 504] MeV /c 2 . The background level is calibrated by interpolating the observed yield from mass sidebands ([470, 492] and [504, 600] MeV /c 2 ) to the signal region. ... See full document
19
Observation of the suppressed decay Λb0 → pπ−μ+μ−
... The LHCb detector [8, 9] 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 high-precision ... See full document
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