Search for medium modifications of the rho meson.

Academic Article

Abstract

  • The photoproduction of vector mesons on various nuclei has been studied using the CLAS detector at Jefferson Laboratory. The vector mesons, rho, omega, and varphi, are observed via their decay to e;{+}e;{-}, in order to reduce the effects of final-state interactions in the nucleus. Of particular interest are possible in-medium effects on the properties of the rho meson. The rho mass spectrum is extracted from the data on various nuclei, 2H, C, Fe, and Ti. We observe no significant mass shift and some broadening consistent with expected collisional broadening for the rho meson.
  • Authors

  • Nasseripour, R
  • Wood, MH
  • Djalali, C
  • Weygand, DP
  • Tur, C
  • Mosel, U
  • Muehlich, P
  • Adams, G
  • Amaryan, MJ
  • Ambrozewicz, P
  • Anghinolfi, M
  • Asryan, G
  • Avakian, H
  • Bagdasaryan, H
  • Baillie, N
  • Ball, JP
  • Baltzell, NA
  • Barrow, S
  • Battaglieri, M
  • Bedlinskiy, I
  • Bektasoglu, M
  • Bellis, M
  • Benmouna, N
  • Berman, BL
  • Biselli, AS
  • Blaszczyk, L
  • Bouchigny, S
  • Boiarinov, S
  • Bradford, R
  • Branford, D
  • Briscoe, WJ
  • Brooks, WK
  • Bültmann, S
  • Burkert, VD
  • Butuceanu, C
  • Calarco, JR
  • Careccia, SL
  • Carman, DS
  • Carnahan, B
  • Casey, L
  • Chen, S
  • Cole, PL
  • Collins, P
  • Coltharp, P
  • Crabb, D
  • Crannell, H
  • Crede, V
  • Cummings, JP
  • Dashyan, N
  • De Masi, R
  • De Vita, R
  • De Sanctis, E
  • Degtyarenko, PV
  • Denizli, H
  • Dennis, L
  • Deur, A
  • Dharmawardane, KV
  • Dickson, R
  • Dodge, GE
  • Doughty, D
  • Dugger, M
  • Dytman, S
  • Dzyubak, OP
  • Egiyan, H
  • Egiyan, KS
  • El Fassi, L
  • Elouadrhiri, L
  • Eugenio, P
  • Fedotov, G
  • Feldman, G
  • Feuerbach, RJ
  • Funsten, H
  • Garçon, M
  • Gavalian, G
  • Gilfoyle, GP
  • Giovanetti, KL
  • Girod, FX
  • Goetz, JT
  • Gordon, CIO
  • Gothe, RW
  • Griffioen, KA
  • Guidal, M
  • Guler, N
  • Guo, L
  • Gyurjyan, V
  • Hadjidakis, C
  • Hafidi, K
  • Hakobyan, H
  • Hakobyan, RS
  • Hanretty, C
  • Hardie, J
  • Hersman, FW
  • Hicks, K
  • Hleiqawi, I
  • Holtrop, Maurik
  • Hyde-Wright, CE
  • Ilieva, Y
  • Ireland, DG
  • Ishkhanov, BS
  • Isupov, EL
  • Ito, MM
  • Jenkins, D
  • Jo, HS
  • Johnstone, JR
  • Joo, K
  • Juengst, HG
  • Kalantarians, N
  • Kellie, JD
  • Khandaker, M
  • Kim, W
  • Klein, A
  • Klein, FJ
  • Klimenko, AV
  • Kossov, M
  • Krahn, Z
  • Kramer, LH
  • Kubarovsky, V
  • Kuhn, J
  • Kuhn, SE
  • Kuleshov, SV
  • Lachniet, J
  • Laget, JM
  • Langheinrich, J
  • Lawrence, D
  • Li, Ji
  • Livingston, K
  • Lu, HY
  • Maccormick, M
  • Markov, N
  • Mattione, P
  • McAleer, S
  • McKinnon, B
  • McNabb, JWC
  • Mecking, BA
  • Mehrabyan, S
  • Melone, JJ
  • Mestayer, MD
  • Meyer, CA
  • Mibe, T
  • Mikhailov, K
  • Minehart, R
  • Mirazita, M
  • Miskimen, R
  • Mokeev, V
  • Moriya, K
  • Morrow, SA
  • Moteabbed, M
  • Mueller, J
  • Munevar, E
  • Mutchler, GS
  • Nadel-Turonski, P
  • Niccolai, S
  • Niculescu, G
  • Niculescu, I
  • Niczyporuk, BB
  • Niroula, MR
  • Niyazov, RA
  • Nozar, M
  • Osipenko, M
  • Ostrovidov, AI
  • Park, K
  • Pasyuk, E
  • Paterson, C
  • Anefalos Pereira, S
  • Pierce, J
  • Pivnyuk, N
  • Pocanic, D
  • Pogorelko, O
  • Pozdniakov, S
  • Preedom, BM
  • Price, JW
  • Prok, Y
  • Protopopescu, D
  • Raue, BA
  • Riccardi, G
  • Ricco, G
  • Ripani, M
  • Ritchie, BG
  • Ronchetti, F
  • Rosner, G
  • Rossi, P
  • Sabatié, F
  • Salamanca, J
  • Salgado, C
  • Santoro, JP
  • Sapunenko, V
  • Schumacher, RA
  • Serov, VS
  • Sharabian, YG
  • Sharov, D
  • Shvedunov, NV
  • Smith, ES
  • Smith, LC
  • Sober, DI
  • Sokhan, D
  • Stavinsky, A
  • Stepanyan, SS
  • Stepanyan, S
  • Stokes, BE
  • Stoler, P
  • Strakovsky, II
  • Strauch, S
  • Taiuti, M
  • Tedeschi, DJ
  • Tkabladze, A
  • Tkachenko, S
  • Todor, L
  • Ungaro, M
  • Vineyard, MF
  • Vlassov, AV
  • Watts, DP
  • Weinstein, LB
  • Williams, M
  • Wolin, E
  • Yegneswaran, A
  • Zana, L
  • Zhang, B
  • Zhang, J
  • Zhao, B
  • Zhao, ZW
  • CLAS Collaboration
  • Status

    Publication Date

  • December 31, 2007
  • Has Subject Area

    Published In

    Keywords

  • CLAS Collaboration
  • Digital Object Identifier (doi)

    Pubmed Id

  • 18233570
  • Start Page

  • 262302
  • Volume

  • 99
  • Issue

  • 26