Published March 13, 2009
| Version v1
Journal article
Measurement of Direct f0(980) Photoproduction on the Proton
Creators
- Battaglieri, M.1
- De Vita, R.1
- Anghinolfi, M.1
- Ricco, G.1
- Ripani, M.1
- Taiuti, M.1
- Szczepaniak, A. P.2
- Adhikari, K. P.3
- Amaryan, M. J.3
- Bagdasaryan, H.3
- Bueltmann, S.3
- Careccia, S. L.3
- Dharmawardane, K. V.3
- Dodge, G. E.3
- Guler, N.3
- Hyde, C. E.3
- Kalantarians, N.3
- Klein, A.3
- Klimenko, A. V.3
- Kuhn, S. E.3
- and others
- CLAS Collaboration
- 1. Istituto Nazionale di Fisica Nucleare, Sezione di Genova, 16146 Genova (Italy)
- 2. Physics Department and Nuclear Theory Center, Indiana University, Bloomington, Indiana 47405 (United States)
- 3. Old Dominion University, Norfolk, Virginia 23529 (United States)
Description
We report on the results of the first measurement of exclusive f0(980) meson photoproduction on protons for Eγ=3.0-3.8 GeV and -t=0.4-1.0 GeV2. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The resonance was detected via its decay in the π+π- channel by performing a partial wave analysis of the reaction γp→pπ+π-. Clear evidence of the f0(980) meson was found in the interference between P and S waves at Mπ+π-∼1 GeV. The S-wave differential cross section integrated in the mass range of the f0(980) was found to be a factor of about 50 smaller than the cross section for the ρ meson. This is the first time the f0(980) meson has been measured in a photoproduction experiment
Additional details
Identifiers
- DOI
- 10.1103/PhysRevLett.102.102001;
- arXiv
- arXiv:0811.1681v1;
Publishing Information
- Journal Title
- Physical Review Letters
- Journal Volume
- 102
- Journal Issue
- 10
- Journal Page Range
- p. 102001-102001.6
- ISSN
- 0031-9007
- CODEN
- PRLTAO
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 40054480
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- CEBAF ACCELERATOR; DIFFERENTIAL CROSS SECTIONS; F0-980 MESONS; GEV RANGE 01-10; INTERFERENCE; MASS; PARTICLE DECAY; PHOTOPRODUCTION; PIONS MINUS; PIONS PLUS; PROTONS; RESONANCE; S WAVES
- Descriptors DEC
- ACCELERATORS; BARYONS; BASIC INTERACTIONS; BOSONS; CROSS SECTIONS; DECAY; ELECTROMAGNETIC INTERACTIONS; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; GEV RANGE; HADRONS; INTERACTIONS; LINEAR ACCELERATORS; MESONS; NUCLEONS; PARTIAL WAVES; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PIONS; PSEUDOSCALAR MESONS; SCALAR MESONS
Optional Information
- Notes
- (c) 2009 The American Physical Society
- Collaborations
- CLAS Collaboration