Results 21 to 30 of about 12,458,012 (347)
Measurement of f_{s}/f_{u} Variation with Proton-Proton Collision Energy and B-Meson Kinematics.
Physical Review Letters, 2020 The ratio of the B_{s}^{0} and B^{+} fragmentation fractions f_{s} and f_{u} is studied with B_{s}^{0}→J/ψϕ and B^{+}→J/ψK^{+} decays using data collected by the LHCb experiment in proton-proton collisions at 7, 8, and 13 TeV center-of-mass energies. The
L. C. R. Aaij +499 more
semanticscholar +1 more source
Production of X(3872) accompanied by a pion in B meson decay [PDF]
Physical Review D, 2019 If the $X(3872)$ is a weakly bound charm-meson molecule, it can be produced by the creation of $D^{*0} \bar{D}^0$ or $D^{0} \bar{D}^{*0}$ at short distances followed by the formation of the bound state from the charm-meson pairs.
E. Braaten, Li-Ping He, Kevin Ingles
semanticscholar +1 more source
Progress in Particle and Nuclear Physics, 1995 Latex file, approx 150 pages. Figures available via anonymous ftp. The postscript version (incl. figures) as well as the uuencoded version (incl figures) are available via anonymous ftp at ftp://pacific.mps.ohio-state.edu/pub/hepex/kh as the files breview.ps and breview ...
Browder, Thomas E., Honscheid, Klaus
openaire +2 more sources
Two-loop evolution equation for the B -meson distribution amplitude [PDF]
Physical Review D, 2019 We derive the two-loop evolution equation of the B-meson light-cone distribution amplitude which is the last missing element for the next-to-next-to-leading logarithmic resummation of QCD corrections to B decays in QCD factorization.
V. Braun, Yao Ji, A. Manashov
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Re-examining sin2β and Δmd from evolution of Bd0 mesons with decoherence
Physics Letters B, 2015 In the time evolution of neutral meson systems, a perfect quantum coherence is usually assumed. The important quantities of the Bd0 system, such as sin2β and Δmd, are determined under this assumption.
Ashutosh Kumar Alok +2 more
doaj +1 more source
B-MESON DISTRIBUTION AMPLITUDES [PDF]
International Journal of Modern Physics A, 2005 B-meson light-cone distribution amplitudes are discussed in these lectures in the framework of HQET. The evolution equation for the leading-twist distribution amplitude is derived in one-loop approximation. QCD sum rules for distribution amplitudes are discussed.
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B -meson light-cone distribution amplitude from Euclidean quantities
, 2020 A new method for the model-independent determination of the light-cone distribution amplitude (LCDA) of the $B$-meson in heavy quark effective theory (HQET) is proposed by combining the large momentum effective theory (LaMET) and the numerical simulation
W. Wang, Yu-Ming Wang, Ji Xu, Shuai Zhao
semanticscholar +1 more source
Flavor non-universal gauge interactions and anomalies in B-meson decays [PDF]
, 2017 Motivated by flavor non-universality and anomalies in semi-leptonic B-meson decays, we present a general and systematic discussion about how to construct anomaly-free $U(1)'$ gauge theories based on an extended standard model with only three right-handed
Yong Tang, Yue-Liang Wu
semanticscholar +1 more source
B-meson production in the general-mass variable-flavour-number scheme and LHC data [PDF]
The European Physical Journal C, 2019 We study inclusive B-meson production in pp collisions at the LHC and compare experimental data with predictions of the general-mass variable-flavour-number scheme at next-to-leading order of perturbative QCD.
M. Benzke +5 more
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Jurnal Neutrino: Jurnal Fisika dan Aplikasinya, 2014 Meson merupakan partikel yang disusun oleh satu quark (materi) dan satu anti-quark (anti-materi) yang terikat gaya nuklir kuat. Ada tiga partikel meson yang istimewa: meson B, meson D, dan meson K. Terpisah dari pembahasan meson D dan meson K.
Moch Bayu, Erika Rani
doaj +1 more source