CLAS Physics Database

E1-DVCS: Cross sections for the exclusive photon electroproduction on the proton

Spokespersons
H.S. Jo, F.X. Girod, H. Avakian, V.D. Burkert, M. Garçon, M. Guidal, V. Kubarovsky, S. Niccolai, P. Stoler
Year
2015
Abstract
Measurement of unpolarized and beam-polarized cross sections for deeply virtual Compton scattering (DVCS) on the proton, e+p->e+p+gamma, to study Generalized Parton Distributions (GPDs).
Comment
Publication: H.S. Jo, F.X. Girod, H. Avakian, V.D. Burkert, M. Garcon, M. Guidal, V. Kubarovsky, S. Niccolai, P. Stoler, and the CLAS Collaboration, "Cross sections for the exclusive photon electroproduction on the proton and Generalized Parton Distributions" (submission to PRL).
Quantities
d4σ/dQ2 dxb dt dφ (d4σ+/dQ2 dxb dt dφ) − (d4σ/dQ2 dxb dt dφ)

Measurements

ID Quantity Beam Target Final state Q2min,
GeV2
Q2max,
GeV2
Wmin,
GeV
Wmax,
GeV
E145M1 d4σ/dQ2 dxb dt dφ e p γ p 1.0 4.6 2.0 None
E145M2 (d4σ+/dQ2 dxb dt dφ) − (d4σ/dQ2 dxb dt dφ) e p γ p 1.0 4.6 2.0 None