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The experimental challenge of virtual compton scattering above 8 GeV - (VCS above 8 GeV: the experimental challenge)

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Academic year: 2021

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Figure 1: : Ranges in Q 2 and s accessible with an accelerator of incident energy E i + + 2BHVCS (a) (b) (c)DVCS = 2 (d)    ππ00Production.= ADVCS = + + 2AVCSABH (e) (f) (g)ππ0
Figure 3: Cross sections for the ep → epγ process. Heavy dotted line: Bethe- Bethe-Heitler; Medium line, DVCS; Thin line, Model for Hard Scattering (Large P T ) VCS
Figure 4: (a) Asymmetry versus azimuthal angle φ induced when the sign of the beam is changed (electron/positron beam)
Figure 6: Calorimeter concept with high inner granularity to record DVCS events and coarser outer granularity to record two photon events from the ep → epπ 0 reaction.
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