Emergence of jet dominance in [Formula presented] interactions at fixed-target energies

D. Alton, W. L. Davis, G. P. Thomas, P. Kasper, J. Marraffino, N. Akchurin, J. McPherson, Y. Onel, C. C. Chang, C. Halli, H. Holmgren, D. Naples, H. R. Gustafson, M. J. Longo, D. Lincoln, M. D. Corcoran, G. Morrow, G. S. Mutchler, M. M. Traynor, Q. ZhuP. Birmingham, J. W. Waters, M. S. Webster

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Abstract

In Fermilab experiment E683 we have used a large solid angle calorimeter to study the production of hadronic events with large transverse energy in [Formula presented] and [Formula presented] collisions at center-of-mass energies from 20 to 25 GeV. We observe a sudden shift in [Formula presented] event topology with increasing transverse energy, indicative of the emergence of jet dominance. This is the first observation of such a shift in event topology in fixed-target interactions. [Formula presented] interactions in the same kinematic region and under identical triggering conditions exhibit only a slight shift in event topology.

Original languageEnglish
Pages (from-to)R5301-R5305
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume56
Issue number9
DOIs
StatePublished - 1997

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    Alton, D., Davis, W. L., Thomas, G. P., Kasper, P., Marraffino, J., Akchurin, N., McPherson, J., Onel, Y., Chang, C. C., Halli, C., Holmgren, H., Naples, D., Gustafson, H. R., Longo, M. J., Lincoln, D., Corcoran, M. D., Morrow, G., Mutchler, G. S., Traynor, M. M., ... Webster, M. S. (1997). Emergence of jet dominance in [Formula presented] interactions at fixed-target energies. Physical Review D - Particles, Fields, Gravitation and Cosmology, 56(9), R5301-R5305. https://doi.org/10.1103/PhysRevD.56.R5301