Charm photoproduction cross section at 20 GeV

K. Abe*, T. C. Bacon, J. Ballam, L. Berny, A. V. Bevan, H. H. Bingham, J. E. Brau, K. Braune, D. Brick, W. M. Bugg, J. Butler, W. Cameron, J. T. Carroll, C. V. Cautis, J. S. Chima, H. O. Cohn, D. C. Colley, G. T. Condo, S. Dado, R. DiamondP. J. Dornan, R. Erickson, T. Fieguth, R. C. Field, L. Fortney, B. Franek, N. Fujiwara, R. Gearhart, T. Glanzman, J. J. Goldberg, G. P. Gopal, A. T. Goshaw, E. S. Hafen, V. Hagopian, G. Hall, E. R. Hancock, T. Handler, H. J. Hargis, E. L. Hart, P. Haridas, K. Hasegawa, T. Hayashino, D. Q. Huang, R. I. Hulsizer, S. Isaacson, M. Jobes, G. E. Kalmus, D. P. Kelsey, J. Kent, T. Kitagaki, J. Lannutti, A. Levy, P. W. Lucas, M. MacDermott, W. A. Mann, T. Maruyama, R. Merenyi, R. Milburn, C. Milstene, K. C. Moffeit, J. J. Murray, A. Napier, S. Noguchi, F. Ochiai, S. O'Neale, A. P.T. Palounek, I. A. Pless, M. Rabin, P. Rankin, W. J. Robertson, A. H. Rogers, E. Ronat, H. Rudnicka, T. Sato, J. Schneps, S. J. Sewell, J. Shank, A. M. Shapiro, C. K. Sinclair, R. Sugahara, A. Suzuki, K. Takahashi, K. Tamai, S. Tanaka, S. Tether, H. B. Wald, W. D. Walker, M. Widgoff, C. G. Wilkins, S. Wolbers, C. A. Woods, Y. Wu, A. Yamaguchi, R. K. Yamamoto, S. Yamashita, G. Yekutieli, Y. Yoshimura, G. P. Yost, H. Yuta

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Forty-seven charm events have been observed in an exposure of the SLAC Hybrid Facility bubble chamber to a 20-GeV backward-scattered laser beam. Thirty-seven events survive all the necessary cuts imposed. Based on this number the total charm cross section is calculated to be 63-28+33 nb.

Original languageEnglish
Pages (from-to)156-159
Number of pages4
JournalPhysical Review Letters
Issue number3
StatePublished - 1983


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