Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2009-07-10
Physics Letters B 684 (2010) 6-10
Physics
Nuclear Physics
Nuclear Experiment
5 pages, 4 figures. Published in Physics Letters B
Scientific paper
10.1016/j.physletb.2009.12.051
We report measurements of differential cross sections and decay asymmetries of incoherent $\phi$-meson photoproduction from the deuteron at forward angles using linearly polarized photons at \Eg=1.5-2.4 GeV. The nuclear transparency ratio for the deuteron shows a large suppression, and is consistent with the A-dependence of the ratio observed in a previous measurement with nuclear targets. The reduction for the deuteron cannot be adequately explained in term of isospin asymmetry. The present results suggest the need of refining our understanding of the $\phi$-N interaction within a nucleus.
Ahn D. S.
Ahn Kook Jin
Akimune Hidetoshi
Asano Yasuhiro
Chang Wei Chun
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