Near threshold electroproduction of the ω meson at Q <sup>2</sup>≈0.5 GeV<sup>2</sup>
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Journal ArticleDate
2004-01-01Author
Ambrozewicz, PMitchell, J
Dunne, J
Markowitz, P
Martoff, CJ
Reinhold, J
Zeidman, B
Abbott, DJ
Ahmidouch, A
Armstrong, CS
Arrington, J
Assamagan, KA
Bailey, K
Baker, OK
Beedoe, S
Breuer, H
Carlini, R
Cha, J
Collins, G
Cothran, C
Cummings, WJ
Danagoulian, S
Day, D
Duncan, F
Dutta, D
Eden, T
Ent, R
Ewell, L
Fortune, HT
Gao, H
Geesaman, DF
Gueye, P
Gustafsson, KK
Hansen, JO
Hinton, W
Keppel, CE
Klein, A
Koltenuk, D
Mack, DJ
Madey, R
Meekins, DG
Mkrtchyan, H
Mohring, RM
Mtingwa, SK
Niculescu, G
Niculescu, I
O'Neill, TG
Potterveld, D
Price, JW
Raue, BA
Roos, P
Savage, G
Sawafta, R
Segel, RE
Stepanyan, S
Tadevosyan, V
Tang, L
Terburg, BP
Wood, S
Yan, C
Zihlmann, B
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http://hdl.handle.net/20.500.12613/6122
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10.1103/PhysRevC.70.035203Abstract
Electroproduction of the ω meson was investigated in 1H(e,e′p)ω reaction. The measurement was performed at a four-momentum transfer Q2≈0.5 GeV2. Angular distributions of the virtual photon-proton center-of-momentum cross sections have been extracted over the full angular range. These distributions exhibit a strong enhancement over t-channel parity exchange processes in the backward direction. According to a newly developed electroproduction model, this enhancement provides significant evidence of resonance formation in the γ*p → ωp reaction channel.Citation to related work
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Physical Review C - Nuclear PhysicsADA compliance
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http://dx.doi.org/10.34944/dspace/6104