Published December 2018 | Version v1
Journal article Metadata-only

Some hadronic parameters of charmonia in Nf = 2 lattice QCD

Creators

  • 1. Universite Blaise Pasclal, Laboratoire de Physique de Clermont, Unite Mixte de Recherche 6533 CNRS/IN2P3, Aubiere (France)
  • 2. Univ. Paris-Sud et Universite Paris-Saclay, Laboratoire de Physique Theorique, Unite Mixte de Recherche 8627 du CNRS, Orsay (France)

Description

The phenomenology of leptonic decays of quarkonia holds many interesting features: for instance, it can establish constraints on scenarios beyond the Standard Model with the Higgs sector enriched by a light CP-odd state. In the following paper, we report on a two-flavor lattice QCD study of the ηc and J/ψ decay constants, fηc = 387(3)(3) MeV and fJ/ψ = 399(4)(2) MeV. We also examine some properties of the first radial excitation ηc(2S) and ψ(2S). (orig.)

Availability note (English)

Available from: http://dx.doi.org/10.1140/epjc/s10052-018-6495-4

Additional details

Identifiers

DOI
10.1140/epjc/s10052-018-6495-4;

Publishing Information

Journal Title
European Physical Journal. C, Particles and Fields (Online)
Journal Volume
78
Journal Issue
12
Journal Page Range
p. 1-11
ISSN
1434-6052

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
50009894
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Resource subtype / Literary indicator
Numerical Data
Descriptors DEI
CORRELATION FUNCTIONS; EFFECTIVE MASS; ETA C-2980 MESONS; ETA C-3590 MESONS; FLAVOR MODEL; GROUND STATES; HADRONS; INTERPOLATION; J PSI-3097 MESONS; LATTICE FIELD THEORY; LEPTONIC DECAY; PARTICLE WIDTHS; PSI-3685 MESONS; QUANTUM CHROMODYNAMICS; REST MASS; THEORETICAL DATA; VIBRATIONAL STATES
Descriptors DEC
BOSONS; CHARMONIUM; COMPOSITE MODELS; CONSTRUCTIVE FIELD THEORY; DATA; DECAY; ELEMENTARY PARTICLES; ENERGY LEVELS; EXCITED STATES; FIELD THEORIES; FUNCTIONS; FUNDAMENTAL INTERACTIONS; HADRONS; INFORMATION; INTERACTIONS; MASS; MATHEMATICAL MODELS; MATHEMATICAL SOLUTIONS; MESONS; NUMERICAL DATA; NUMERICAL SOLUTION; PARTICLE DECAY; PARTICLE MODELS; PARTICLE PROPERTIES; PSEUDOSCALAR MESONS; QUANTUM FIELD THEORY; QUARK MODEL; QUARKONIUM; VECTOR MESONS; WEAK INTERACTIONS; WEAK PARTICLE DECAY