Evidence for Diffractive Charm Production in numu Fe and nubarmu Fe Scattering at the Tevatron
NuTeV Collaboration, T. Adams, A. Alton, T. Bolton, J. Goldman, M. Goncharov, D. Naples, R. A. Johnson, M. Vakili, V. Wu, J. Conrad, J. Formaggio, S. Koutsoliotas, J. H. Kim, C. McNulty, A. Romosan, M. H. Shaevitz, P. Spentzouris, E. G. Stern, B. Tamminga, A. Vaitaitis, E. D. Zimmerman, R. H. Bernstein, L. Bugel, M. J. Lamm, W. Marsh, P. Nienaber, J. Yu, L. de Barbaro, D. Buchholz, H. Schellman, G. P. Zeller, J. Brau, R. B. Drucker, R. Frey, D. Mason, S. Avvakumov, P. de Barbaro, A. Bodek, H. Budd, D. A. Harris, K. S. McFarland, W. K. Sakumoto, U. K. Yang
Abstract
We present evidence for the diffractive processes numu Fe -> mu- Ds+ (Ds*+) Fe and nubarmu Fe -> mu+ Ds- (Ds*-) Fe using the Fermilab SSQT neutrino beam and the Lab E neutrino detector. We observe the neutrino trident reactions numu Fe -> numu mu- mu+ Fe and nubarmu Fe -> nubarmu mu+ mu- Fe at rates consistent with Standard Model expectations. We see no evidence for neutral-current production of J/psi via either diffractive or deep inelastic scattering mechanisms.
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