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Emergence of jet dominance inγpinteractions at fixed-target energies
Journal article   Peer reviewed

Emergence of jet dominance inγpinteractions at fixed-target energies

D Alton, D Lincoln, N Akchurin, P Birmingham, C. C Chang, M. D Corcoran, W. L Davis, H. R Gustafson, C Halli, H Holmgren, …
Physical review. D, Particles and fields, Vol.56(9), pp.R5301-R5305
11/1997
DOI: 10.1103/PhysRevD.56.R5301

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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 γp and πp collisions at center-of-mass energies from 20 to 25 GeV. We observe a sudden shift in γp 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. πp interactions in the same kinematic region and under identical triggering conditions exhibit only a slight shift in event topology.

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