منابع مشابه
Measurements of direct CP violating asymmetries in charmless decays of strange bottom mesons and bottom baryons.
We report measurements of direct CP-violating asymmetries in charmless decays of neutral bottom hadrons to pairs of charged hadrons with the upgraded Collider Detector at the Fermilab Tevatron. Using a data sample corresponding to 1 fb(-1) of integrated luminosity, we obtain the first measurements of direct CP violation in bottom strange mesons, A(CP)(B(s)(0)→K(-)π(+))=+0.39±0.15(stat)±0.08(sys...
متن کاملRadiative decays of the (0, 1) strange-bottom mesons
In this article, we assume that the (0, 1) strange-bottom mesons are the conventional bs̄ mesons, and calculate the electromagnetic coupling constants d, g1, g2 and g3 using the light-cone QCD sum rules. Then we study the radiative decays Bs0 → B sγ, Bs1 → Bsγ, Bs1 → B sγ and Bs1 → Bs0γ, and observe that the widths are rather narrow. We can search for the (0, 1) strange-bottom mesons in the inva...
متن کاملBottom Quark Mass from Υ Mesons
The bottom quark pole mass M b is determined using a sum rule which relates the masses and the electronic decay widths of the Υ mesons to large n moments of the vacuum polarization function calculated from nonrelativistic quantum chromodynamics. The complete set of next-to-next-to-leading order (i.e. O(α 2 s , α s v, v 2) where v is the bottom quark c.m. velocity) corrections is calculated and ...
متن کاملLatest Results on Orbitally Excited Strange Bottom Mesons with the Cdf Ii Detector
Mesons containing one heavy quark are a useful laboratory to test QCD models. In the limit of heavy quark mass mQ → ∞, heavy mesons’ properties are governed by the dynamics of the light quark. As such, these states become “hydrogen atoms” of hadron physics. In this Heavy Quark Symmetry approach (see references 1) the quantum numbers of the heavy and light quarks are separately conserved by the ...
متن کاملBottom Quark Mass from Υ Mesons: Charm Mass Effects
The effects of the finite charm quark mass on bottom quark mass determinations from Υ sum rules are examined in detail. The charm quark mass effects are calculated at next-to-next-toleading order in the non-relativistic power counting for the Υ sum rules and at order αs for the determination of the bottom MS mass. For the bottom 1S mass, which is extracted from the Υ sum rules directly, we obta...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2014
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.89.054026