Differential cross section for gamma d -> omega d using CLAS at Jefferson Lab

作者：Chetry T; Hicks K; Compton N; Sargsian M; Adhikari S; Ball J; Balossino I; Barion L; Battaglieri M; Batourine V; Bedlinskiy I; Biselli A S; Boiarinov S; Briscoe W J; Brooks W K; Burkert V D; Carman D S; Celentano A; Charles G; Ciullo G; Clark L; Clary Brandon A; Cole P L; Contalbrigo M; Crede V; D'Angelo A; Dashyan N; De Vita R; De Sanctis E; Deur A; Djalali C; Dupre R; El Alaoui A; El Fassi L; Eugenio P; Fedotov G

来源：Physics Letters B, 2018, 782: 646-651.

DOI：10.1016/j.physletb.2018.06.003

• Vector Meson Dominance
• Differential cross section
• Single scattering
• Double scattering

The cross section for coherent omega-meson photoproduction off the deuteron has been measured for the first time as a function of the momentum transfer t=(P-gamma - P-omega)(2) and photon energy E-gamma using the CLAS detector at the Thomas Jefferson National Accelerator Facility. The cross sections are measured in the energy range 1.4 < E-gamma < 3.4GeV. A model based on omega- N rescattering is consistent with the data at low and intermediate momentum transfer, vertical bar t vertical bar. For 2.8 < E-gamma < 3.4GeV, the total cross-section of omega - N scattering, based on fits within the framework of the Vector Meson Dominance model, is in the range of 30-40 mb.

• 出版日期2018-7-10