Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP07(2012)032
Keywords
Lepton-Nucleon Scattering
Categories
Funding
- Ministry of Economy of Armenia
- Ministry of Education and Science of Armenia
- FWO-Flanders, Belgium
- IWT, Belgium
- Natural Sciences and Engineering Research Council of Canada
- National Natural Science Foundation of China
- Alexander von Humboldt Stiftung
- German Bundesministerium fur Bildung und Forschung (BMBF)
- Deutsche Forschungsgemeinschaft (DFG)
- Italian Istituto Nazionale di Fisica Nucleare (INFN)
- MEXT of Japan
- JSPS of Japan
- G-COE of Japan
- Dutch Foundation for Fundamenteel Onderzoek der Materie (FOM)
- Russian Academy of Science
- Russian Federal Agency for Science and Innovations
- U.K. Engineering and Physical Sciences Research Council
- Science and Technology Facilities Council
- Scottish Universities Physics Alliance
- U.S. Department of Energy (DOE)
- National Science Foundation (NSF)
- Basque Foundation for Science (IKERBASQUE)
- UPV/EHU [UFI 11/55]
- European Community [227431]
- STFC [ST/J000175/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000175/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien [0855368] Funding Source: National Science Foundation
- Division Of Physics [0855368] Funding Source: National Science Foundation
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Beam-helicity and beam-charge asymmetries in the hard exclusive leptoproduction of real photons from an unpolarised hydrogen target by a 27.6 GeV lepton beam are extracted from the HERMES data set of 2006-2007 using a missing-mass event selection technique. The asymmetry amplitudes extracted from this data set are more precise than those extracted from the earlier data set of 1996-2005 previously analysed in the same manner by HERMES. The results from the two data sets are compatible with each other. Results from these combined data sets are extracted and constitute the most precise asymmetry amplitude measurements made in the HERMES kinematic region using a missing-mass event selection technique.
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