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Measurement of direct f0(980) photoproduction on the proton
- Source :
- Battaglieri, M, De Vita, R, Szczepaniak, A P, Adhikari, K P, Aghasyan, M, Amaryan, M J, Ambrozewicz, P, Anghinolfi, M, Asryan, G, Avakian, H, Bagdasaryan, H, Baillie, N, Ball, J P, Baltzell, N A, Batourine, V, Bedlinskiy, I, Bellis, M, Benmouna, N, Berman, B L, Bibrzycki, L, Biselli, A S, Bookwalter, C, Bouchigny, S, Boiarinov, S, Bradford, R, Branford, D, Briscoe, W J, Brooks, W K, Bltmann, S, Burkert, V D, Calarco, J R, Careccia, S L, Carman, D S, Casey, L, Chen, S, Cheng, L, Clinton, E, Cole, P L, Collins, P, Crabb, D, Crannell, H, Crede, V, Cummings, J P, Dale, D, Daniel, A, Dashyan, N, De Masi, R, De Sanctis, E, Degtyarenko, P V, Deur, A, Dhamija, S, Dharmawardane, K V, Dickson, R, Djalali, C, Dodge, G E, Donnelly, J, Doughty, D, Dugger, M, Dzyubak, O P, Egiyan, H, Egiyan, K S, El Fassi, L, Elouadrhiri, L, Eugenio, P, Fedotov, G, Fersch, R, Forest, T A, Fradi, A, Gabrielyan, M Y, Gan, L, GarOon, M, Gasparian, A, Gavalian, G, Gevorgyan, N, Gilfoyle, G P, Giovanetti, K L, Girod, F X, Glamazdin, O, Goett, J, Goetz, J T, Gohn, W, Golovatch, E, Gordon, C I O, Gothe, R W, Graham, L, Griffioen, K A, Guidal, M, Guler, N, Guo, L, Gyurjyan, V, Hadjidakis, C, Hafidi, K, Hakobyan, H, Hakobyan, R S, Hanretty, C, Hardie, J, Hassall, N, Heddle, D, Hersman, F W, Hicks, K, Hleiqawi, I, Holtrop, M, Hyde, C E, Ilieva, Y, Ireland, D G, Ishkhanov, B S, Isupov, E L, Ito, M M, Jenkins, D, Jo, H S, Johnstone, J R, Joo, K, Juengst, H G, Kageya, T, Kalantarians, N, Keller, D, Kellie, J D, Khandaker, M, Khetarpal, P, Kim, W, Klein, A, Klein, F J, Klimenko, A V, Konczykowski, P, Kossov, M, Krahn, Z, Kramer, L H, Kubarovsky, V, Kuhn, J, Kuhn, S E, Kuleshov, S V, Kuznetsov, V, Lachniet, J, Laget, J M, Langheinrich, J, Lawrence, D, Lee, T, Lesniak, L, Li, J, Livingston, K, Lowry, M, Lu, H Y, MacCormick, M, Malace, S, Markov, N, Mattione, P, McCracken, M E, McKinnon, B, Mecking, B A, Melone, J J, Mestayer, M D, Meyer, C A, Mibe, T, Mikhailov, K, Mineeva, T, Minehart, R, Mirazita, M, Miskimen, R, Mochalov, V, Mokeev, V, Moreno, B, Moriya, K, Morrow, S A, Moteabbed, M, Munevar, E, Mutchler, G S, Nadel-Turonski, P, Nakagawa, I, Nasseripour, R, Niccolai, S, Niculescu, G, Niculescu, I, Niczyporuk, B B, Niroula, M R, Niyazov, R A, Nozar, M, Osipenko, M, Ostrovidov, A I, Park, K, Park, S, Pasyuk, E, Paris, M, Paterson, C, Pereira, S A, Pierce, J, Pivnyuk, N, Pocanic, D, Pogorelko, O, Pozdniakov, S, Price, J W, Prok, Y, Protopopescu, D, Raue, B A, Riccardi, G, Ricco, G, Ripani, M, Ritchie, B G, Rosner, G, Rossi, P, Sabati, F, Saini, M S, Salamanca, J, Salgado, C, Sandorfi, A, Santoro, J P, Sapunenko, V, Schott, D, Schumacher, R A, Serov, V S, Sharabian, Y G, Sharov, D, Shvedunov, N V, Smith, E S, Smith, L C, Sober, D I, Sokhan, D, Starostin, A, Stavinsky, A, Stepanyan, S, Stepanyan, S S, Stokes, B E, Stoler, P, Stopani, K A, Strakovsky, I I, Strauch, S, Taiuti, M, Tedeschi, D J, Teymurazyan, A, Tkabladze, A, Tkachenko, S, Todor, L, Tur, C, Ungaro, M, Vineyard, M F, Vlassov, A V, Watts, D P, Wei, X, Weinstein, L B, Weygand, D P, Williams, M, Wolin, E, Wood, M H, Yegneswaran, A, Yurov, M, Zana, L, Zhang, J, Zhao, B & Zhao, Z W 2009, ' Measurement of Direct f(0)(980) Photoproduction on the Proton ', Physical Review Letters, vol. 102, no. 10, 102001, pp.-. https://doi.org/10.1103/PhysRevLett.102.102001
- Publication Year :
- 2008
-
Abstract
- We report on the results of the first measurement of exclusive f_{0}(980) meson photoproduction on protons for E_{gamma}=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 pi;{+}pi;{-} channel by performing a partial wave analysis of the reaction gammap--ppi;{+}pi;{-}. Clear evidence of the f_{0}(980) meson was found in the interference between P and S waves at M_{pi;{+}pi;{-}} approximately 1 GeV. The S-wave differential cross section integrated in the mass range of the f_{0}(980) was found to be a factor of about 50 smaller than the cross section for the rho meson. This is the first time the f_{0}(980) meson has been measured in a photoproduction experiment.
- Subjects :
- Physics and Astronomy(all)
Subjects
Details
- ISSN :
- 00319007
- Volume :
- 102
- Issue :
- 10
- Database :
- OpenAIRE
- Journal :
- Physical review letters
- Accession number :
- edsair.pmid.dedup....33679a07521d653c0fba1feddd00b9f7