Diffractive $\phi$-meson photoproduction on proton near threshold
Nuclear Experiment
2007-05-23 v3
Abstract
Photoproduction of -meson on protons was studied by means of linearly polarized photons at forward angles in the low-energy region from threshold to = 2.37 GeV. The differential cross sections at do not increase smoothly as increases, but show a local maximum at around 2.0 GeV. The angular distributions demonstrate that -mesons are photo-produced predominantly by helicity-conserving processes, and the local maximum is not likely due to unnatural-parity processes.
Cite
@article{arxiv.nucl-ex/0506015,
title = {Diffractive $\phi$-meson photoproduction on proton near threshold},
author = {T. Mibe and W. C. Chang and T. Nakano and D. S. Ahn and J. K. Ahn and H. Akimune and Y. Asano and S. Date\' and H. Ejiri and H. Fujimura and M. Fujiwara and K. Hicks and T. Hotta and K. Imai and T. Ishikawa and T. Iwata and H. Kawai and Z. Y. Kim and K. Kino and H. Kohri and N. Kumagai and S. Makino and T. Matsuda and T. Matsumura and N. Matsuoka and K. Miwa and M. Miyabe and Y. Miyachi and M. Morita and N. Muramatsu and M. Niiyama and M. Nomachi and Y. Ohashi and T. Ooba and H. Ohkuma and D. S. Oshuev and C. Rangacharyulu and A. Sakaguchi and T. Sasaki and P. M. Shagin and Y. Shiino and H. Shimizu and Y. Sugaya and M. Sumihama and A. I. Titov and Y. Toi and H. Toyokawa and A. Wakai and C. W. Wang and S. C. Wang and K. Yonehara and T. Yorita and M. Yoshimura and M. Yosoi and R. G. T. Zegers},
journal= {arXiv preprint arXiv:nucl-ex/0506015},
year = {2007}
}
Comments
6 pages, error on the cross sections were corrected, accepted for publication in Phys. Rev. Lett