Corrigendum to “The fragmentation function for heavy quarks in QCD” [Nucl. Phys. B 361 (1991) 626–644]
نویسندگان
چکیده
منابع مشابه
On the Fragmentation Function for Heavy Quarks in ee collisions
We use a recent O(αs) calculation of the differential cross section for the production of heavy quarks in e+e− annihilation to compute a few moments of the heavy quark single-inclusive production cross section. We verify that, contrary to some recent claims, the leading and next-to-leading logarithmic terms in this cross section are correctly given by the standard NLO fragmentation function for...
متن کاملHeavy quark fragmentation to baryons containing two heavy quarks.
We discuss the fragmentation of a heavy quark to a baryon containing two heavy quarks of mass mQ ≫ ΛQCD. In this limit the heavy quarks first combine perturbatively into a compact diquark with a radius small compared to 1/ΛQCD, which interacts with the light hadronic degrees of freedom exactly as does a heavy antiquark. The subsequent evolution of this QQ diquark to a QQq baryon is identical to...
متن کاملQCD factorization with heavy quarks
Recent improvements [1] of the next-to-leading log x (NLx) results [2] in the BFKL framework, have stabilized the small-x behaviour in QCD, so that a phenomenological analysis of deep inelastic processes (DIS) seems now possible. However, both the gluon density (satisfying the improved equation) and the impact factors are needed in order to use k-factorization [3] to compute DIS or double DIS p...
متن کاملHeavy Quarks and Lattice Qcd
The study of flavorand CP -violation is a vital part of particle physics [1]. Often lattice QCD is needed to connect experimental measurements to the fundamental couplings of quarks, which, in the Standard Model, are elements of the CabibboKobayashi-Maskawa (CKM) matrix. Usually the test of CKM is drawn as a set of constraints on the apex of the so-called unitarity triangle (UT). The Particle D...
متن کاملHeavy Quarks and QCD Matter
I present recent results on the theory of QCD matter production in high energy heavy ion collisions and on the interactions of heavy quarks in such environment. The centrality and rapidity dependence of hadron production is evaluated in semi–classical approach. The energy loss of heavy quarks in matter is computed. The heavy–to–light meson ratio (e.g., D/π) at moderate transverse momenta is dem...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nuclear Physics B
سال: 2017
ISSN: 0550-3213
DOI: 10.1016/j.nuclphysb.2017.05.005