Speaker
Description
We will present preliminary COMPASS results on the Deeply Virtual Compton Scattering (DVCS) cross section, which was obtained from exclusive single-photon production by scattering the 160 GeV muon beams of the SPS M2 beamline off a 2.5 m long liquid hydrogen target. The recoil proton was measured by a barrel-shaped time-of-flight detector surrounding the target. The scattered muons were detected by the COMPASS spectrometer and the photons by electromagnetic calorimeters including a new large-angle calorimeter. We will show the charge-spin average DVCS cross section differential in the squared four-momentum transfer to the proton, which is expected to be sensitive to the transverse extension of partons in the proton. COMPASS allows first access to the Bjorken-x domain of sea quarks.
Details
Speaker: Anatolii Koval
Title: PhD student
Institution Name: National Centre for Nuclear Research
Country: Poland
Webpage of institution: https://www.ncbj.gov.pl/
Webpage of speaker: N/A
| Is this abstract from experiment? | Yes |
|---|---|
| Name of experiment and experimental site | COMPASS |
| Is the speaker for that presentation defined? | Yes |
| Internet talk | No |
