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- Thomas Jefferson National Accelerator FacilityUS402 papers
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Showing 2011 · hep-exShow all
3 papers · 2 filters
hep-ex2011★ 26 cited
Observation of a narrow structure in p(gamma,K_s)X via interference with phi-meson production
M. J. Amaryan, G. Gavalian, C. Nepali +9
We report observation of a narrow peak structure at ~1.54 GeV with a Gaussian width sigma=6 MeV in the missing of K_s in the reaction gamma+p = pK_sK_L. The observed structure may…
hep-ex2011★ 320 cited
Search for a new gauge boson in the Experiment (APEX)
S. Abrahamyan, Z. Ahmed, K. Allada +63
We present a search at Jefferson Laboratory for new forces mediated by sub-GeV vector bosons with weak coupling to electrons. Such a particle can be produced in electron-…
hep-ex2011★ 36 cited
Precise Measurements of Beam Spin Asymmetries in Semi-Inclusive production
M. Aghasyan, H. Avakian, P. Rossi +151
We present studies of single-spin asymmetries for neutral pion electroproduction in semi-inclusive deep-inelastic scattering of 5.776 GeV polarized electrons from an unpolarized hy…