Open AccessLight-Cone Distribution Amplitudes of Doubly-Heavy Baryons
Author(s) -
A. Ya. Parkhomenko,
Alice Shukhtina
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1690/1/012081
Subject(s) - physics , baryon , particle physics , quark , amplitude , light cone , quantum chromodynamics , distribution (mathematics) , meson , quantum electrodynamics , quantum mechanics , mathematical analysis , mathematics
Doubly-heavy baryons, whose dynamics is determined by a light quark situated in a color field of a static pair of heavy quarks, are investigated. Non-local interpolation currents are introduced and corresponding matrix elements between the baryon and vacuum state are expressed in terms of light-cone distribution amplitudes. Model functions for baryon distribution amplitudes are suggested and their scale dependence is studied in the perturbative QCD framework. The similarity between the heavy meson and doubly-heavy baryon distribution amplitudes is discussed.