Search for sub-threshold photoproduction of J / ψ mesons
A search was made for sub-threshold $J/\psi$ production from a carbon target using a mixed real and quasi-real Bremsstrahlung photon beam with an endpoint energy of 5.76 GeV. No events were observed, which is consistent with predictions assuming quasi-free production. The results place limits on exo...
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| Veröffentlicht in: | Physical review. C, Nuclear physics Nuclear physics, 2009-01, Vol.79 (1), Article 015209 |
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| container_title | Physical review. C, Nuclear physics |
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| creator | Bosted, P. Dunne, J. Lee, C. A. Junnarkar, P. Strikman, M. Arrington, J. Asaturyan, R. Benmokhtar, F. Christy, M. E. Chudakov, E. Clasie, B. Connell, S. H. Dalton, M. M. Daniel, A. Day, D. Dutta, D. Ent, R. Fomin, N. Gaskell, D. Horn, T. Kalantarians, N. Keppel, C. E. Kiselev, D. Meekins, D. G. Mkrtchyan, H. Navasardyan, T. Roche, J. Rodriguez, V. M. Seely, J. Slifer, K. Tajima, S. Testa, G. Trojer, Roman Wesselmann, F. R. Wood, S. A. Zheng, X. C. |
| description | A search was made for sub-threshold $J/\psi$ production from a carbon target using a mixed real and quasi-real Bremsstrahlung photon beam with an endpoint energy of 5.76 GeV. No events were observed, which is consistent with predictions assuming quasi-free production. The results place limits on exotic mechanisms that strongly enhance quasi-free production. |
| doi_str_mv | 10.1103/PhysRevC.79.015209 |
| format | Article |
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| identifier | ISSN: 0556-2813 |
| ispartof | Physical review. C, Nuclear physics, 2009-01, Vol.79 (1), Article 015209 |
| issn | 0556-2813 1089-490X |
| language | eng |
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| source | American Physical Society Journals |
| subjects | BREMSSTRAHLUNG CARBON MESONS PHOTON BEAMS PHOTOPRODUCTION PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PRODUCTION TARGETS |
| title | Search for sub-threshold photoproduction of J / ψ mesons |
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