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Evidence for narrow resonant structures at W ≈ 1.68 GeV and W ≈ 1.72 GeV in real Compton scattering off the proton.
- Source :
-
Physical Review C: Nuclear Physics . Apr2015, Vol. 91 Issue 4, p1-4. 4p. - Publication Year :
- 2015
-
Abstract
- First measurement of the beam asymmetry Σ for Compton scattering off the proton in the energy range Ey = 0.85-1.25 GeV is presented. The data reveal two narrow structures at Er = 1.036 and Ey = 1.119 GeV. They may signal narrow resonances with masses near 1.68 and 1.72 GeV, or they may be generated by the subthreshold K A and cop production. Their decisive identification requires additional theoretical and experimental efforts. [ABSTRACT FROM AUTHOR]
- Subjects :
- *COMPTON scattering
*PROTONS
*NEUTRONS
*PHOTOEXCITATION
*NEUTRON-proton interactions
Subjects
Details
- Language :
- English
- ISSN :
- 05562813
- Volume :
- 91
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Physical Review C: Nuclear Physics
- Publication Type :
- Academic Journal
- Accession number :
- 102775066
- Full Text :
- https://doi.org/10.1103/PhysRevC.91.042201