منابع مشابه
New Symmetries in Heavy Flavor Physics
Isgur and Wise have found that the formal limit Mb, M, + 00 leads to very great simplification in the general structure of the electroweak matrix elements of hadrons containing those quarks. In addition, interesting new symmetries appear in this limit. Their results are discussed, as well as some natural extensions to matrix elements of products of currents.
متن کاملExperimental Results in Heavy Flavor Physics
The interplay of experiment and theory is explored in the context of current data on b and c decay. Measurements of |Vcb| and |Vub| are extracted from existing data. Conservative estimates give |Vcb| = (46.2 ± 1.2exp ± 2.3thy) × 10 −3 and |Vub| = (3.90 ± 0.16exp ± 0.53thy) × 10 . Using these values along with data on Bd, Bs mixing and CP violation in the KL system, the allowed region of the CKM...
متن کاملHeavy Flavor Physics at the Tevatron
We report on the status of top and b quark physics at the Fermilab Tevatron collider. In particular, we summarize the knowledge obtained by CDF and D 6O on the top quark mass and production cross-section. We also present some new interesting results obtained by CDF with the discovery of the Bc meson and a first low statistic measurement of sin(2 ) at an hadronic collider. c 1998 by Giorgio Apol...
متن کاملElectroweak and Heavy Flavor Physics at SLD
We review recent electroweak and B physics results obtained in polarized ee interactions at the SLC by the SLD experiment. Unique and precise measurements of the electroweak parameters Ae, Ab, Ac, Rb and Rc provide powerful constraints on the Standard Model. The excellent 3-D vertexing capabilities of SLD are further exploited to extract precise B and B d lifetimes, as well as measurements of t...
متن کاملOn the Necessity of Recalibrating Heavy Flavor Decays and its Impact on Apparent Puzzles in High Energy Physics
It is demonstrated that charm is systematically undercounted in various experiments. Via a process of elimination, B(D0 → K−π+) is identified as the culprit. It calibrates essentially all charmed meson production and decay properties, and thus is central to the physics of heavy flavors. We predict it to decrease significantly below currently accepted values. We suggest several novel methods for...
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ژورنال
عنوان ژورنال: Nuclear Physics B - Proceedings Supplements
سال: 1997
ISSN: 0920-5632
DOI: 10.1016/s0920-5632(97)00166-7