Published February 2010
| Version v1
Journal article
Is the Y(4140) a molecular Ds*Ds* state?
- 1. Faculdade de Tecnologia, Rodovia Presidente Dutra km 298, Polo Industrial, CEP: 27.537-000, Resende, RJ (Brazil)
- 2. Instituto de Fisica, Universidade de Sao Paulo, C.P. 66318, 05315-970 Sao Paulo, SP (Brazil)
Description
We use the QCD sum rules to evaluate the mass of a scalar state that couples to molecular Ds*D-bars* current. We find a mass mDs*Ds*=(4.14±0.09)GeV, which is in a excellent agreement with the recently observed Y(4140) charmonium state.
Availability note (English)
Available from http://dx.doi.org/10.1016/j.nuclphysbps.2010.02.036Additional details
Identifiers
- DOI
- 10.1016/j.nuclphysbps.2010.02.036;
- PII
- S0920-5632(10)00056-3;
Publishing Information
- Journal Title
- Nuclear Physics. B, Proceedings Supplements
- Journal Volume
- 199
- Journal Issue
- 1
- Journal Page Range
- p. 236-239
- ISSN
- 0920-5632
- CODEN
- NPBSE7
Conference
- Title
- International workshop light cone 2009: Relativistic hadronic and particle physics
- Acronym
- LC2009
- Dates
- 8-13 Jul 2009
- Place
- Sao Jose dos Campos (Brazil)
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 41083392
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ALGEBRAIC CURRENTS; CHARMONIUM; D S MESONS; GEV RANGE; MESIC MOLECULES; QUANTUM CHROMODYNAMICS; REST MASS; SCALARS; SUM RULES
- Descriptors DEC
- BOSONS; CHARM PARTICLES; CHARMED MESONS; CURRENTS; ELEMENTARY PARTICLES; ENERGY RANGE; EQUATIONS; FIELD THEORIES; HADRONS; MASS; MESONS; MOLECULES; PSEUDOSCALAR MESONS; QUANTUM FIELD THEORY; QUARKONIUM; STRANGE MESONS; STRANGE PARTICLES
Optional Information
- Copyright
- Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.