B meson
Measurement of the differential cross section of B + meson production in pp collisions at √s=7 TeV at ATLAS
... for B + meson production, but are derived from both charged states, under the assumption that in the phase space accessible by this measurement the B + and B − production cross-sections are ...
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Annihilation-Type Semileptonic B-Meson Decays
... the B-meson wave-function is ...the B-meson distribution amplitudes, ϕ ± B (ω), we consider only two: the exponential one by Grozin and Neubert [30] and the linear model suggested by ...
8
B meson decays in leptons: powerful probes of new physics
... on B meson properties and successfully confirmed the Standard Model (SM) predictions in the flavour ...the B decays. Here we present some recent result from BaBar on B meson decays in ...
5
Measurement of the Direct CP Asymmetry in b→sγ via Sum of Exclusive B Meson Decays Using the BABAR Detector
... our B candidates from 38 decay modes listed in Table ...multiple B candidates for each event, since there might be more than one way to pick a set of tracks from an event that combines to look very similar ...
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Measurement of B meson production cross sections in proton proton collisions at √s= 7 TeV
... We thank M. Cacciari for providing the FONLL predictions for the B meson production cross-sections. We express our gratitude to our colleagues in the CERN accelerator depart- ments for the excellent ...
18
Spectroscopic properties of the B meson
... The B ( b q ¯ ) ; q = u, d , consists of a heavy and a light ...The B meson has been extensively studied in various theoretical schemes including potential ...
7
Rapidity resummation for B-meson wave functions
... of B -meson wave function due to the nature of rapidity logarithm explained in the ...for B -meson wave functions, we utilize the fact that the resulting collinear divergence is insensitive to ...
6
Hadronic decay of a scalar B meson from the lattice
... P-wave b s states [5–7] and concluded that they indeed lie close to or below threshold and hence have very small decay ...use b s creation operators for these states, it is also possible that a mo- lecular ...
5
Measurements of the Branching Fractions of Exclusive Charmless B Meson Decays with Eta-prime and Omega Mesons
... The asymmetric beam configuration in the laboratory frame provides a boost to the Y 共 4S 兲 increasing the momen- tum range of the B meson decay products up to 4.3 GeV 兾 c. Charged particles are detected and ...
7
Rates, polarizations, and asymmetries in charmless vector-vector B meson decays
... To reject the dominant quark-antiquark continuum background, we require j cos T j < 0:8, where T is the angle between the B-candidate thrust axis and that of the rest of the tracks and neutral clusters in the ...
7
Measurement of the fragmentation fraction ratio fs/fd and its dependence on B meson kinematics
... the B (s) 0 and D − (s) masses, lifetimes and vertex ...the B s 0 → D s − π + data ...the B 0 (s) impact parameter χ 2 , the pointing angle of the B (s) 0 candidate to the primary vertex and ...
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Semileptonic B-meson decays to light pseudoscalar mesons on the HISQ ensembles
... of B mesons have been studied in experiments at BaBar [3], Belle [4], CDF [5], DØ [6], and LHCb [7–9] and will become available from ongoing measurements at LHCb and the upcoming Belle II ...
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Observation of a significant excess of pi(0)pi(0) events in B meson decays
... G. Schott, 64 G. Vasseur, 64 Ch. Yeche, 64 M. Zito, 64 M.V. Purohit, 65 A.W. Weidemann, 65 F. X. Yumiceva, 65 D. Aston, 66 R. Bartoldus, 66 N. Berger, 66 A. M. Boyarski, 66 O. L. Buchmueller, 66 M. R. Convery, 66 D. P. ...
7
Measurements of CP-violating asymmetries and branching fractions in B meson decays to eta ' K
... to be dominated by penguin b ! s transitions, while the tree and electroweak contributions are expected to be small [3–5]. The observed branching fraction is 3–10 times larger than initially expected [3], which ...
7
A study of the fully differential inclusive semileptonic B meson decay rate
... Because the electron and muon masses are much smaller than the lepton energies involved in B decay, it is a good approximation to consider the leptons as massless. In this limit, the branching fractions measured ...
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Studies of excited D mesons in B meson decays
... where θ is the angle between the particle’s momentum and the beam axis. Figure 3.2 shows the distribution of bb pairs in pseudorapidity and illustrates the coverage of LHCb. The boosted b-hadrons have high ...
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Measurement of the B0 and B− meson lifetimes
... nents are modeled empirically from simulation, except for the combinatorial component, which is modeled using same-sign data. Contributions expected to be smaller than 0.5% are neglected. The effect of this approximation ...
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Spectra and decay rates of bb̄ meson using Gaussian wave function
... work, b b ¯ meson is studied in the general frame work of potential ...the b b ¯ meson are employed to study their decay properties in the frame work of NRQCD formalism as well ...
8
Final State Interaction Effects in B+→J/ψ π+ Decay
... B meson non-leptonic decays are significant for testing theoretical frameworks and searching new physics beyond the standard ...and B decays have attracted extensive interests and attentions of ...
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The Role of Frontline Leadership in Organizational Learning: Evidence from Incremental Business Process Improvement
... This dissertation is organized as follows. Chapter One outlines the background theory of the Standard Model, a description of neutral B meson oscillation, and a brief overview of the quark gluon plasma. ...
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