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Title: Phenomenology of heavy quarkonium radiative E1 transitions

We present preliminary results of the evaluation of the next-to-leading-order (NLO) relativistic corrections to the heavy quarkonium electric dipole transition (E1) rate. In our evaluation we use the quark-antiquark potential up to 1/m{sup 2} corrections that includes the effective string theory expression for the long range, a review on the method to construct this potential is given. Our results compare favorable with the experiments and may provide predictions for the rates for which no experimental data is yet available.
Authors:
 [1]
  1. Physik-Department, Technische Universit√§t M√ľnchen, James-Franck-Str. 1, 85748 Garching (Germany)
Publication Date:
OSTI Identifier:
22499052
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1701; Journal Issue: 1; Conference: 11. conference on quark confinement and hadron spectrum, Saint Petersburg (Russian Federation), 8-12 Sep 2014; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; COMPARATIVE EVALUATIONS; CORRECTIONS; E1-TRANSITIONS; FORECASTING; POTENTIALS; QUARK-ANTIQUARK INTERACTIONS; QUARKONIUM; RELATIVISTIC RANGE; STRING THEORY