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1. Triple-Regge analysis of the fragmentation processes $$p\underrightarrow K^ - \Sigma ^ + $$ and $$K^ - \underrightarrow P \Sigma ^ + $$ at 4.2 GeV/cat 4.2 GeV/c

Author

E. W. Kittel, Ch. de la Vaissiere, R. Blokzijl, W. D. Shephard, R.J. Hemingway, P. R. Lamb, G.F. Wolters, W. J. Metzger, P. Grossman, S. N. Ganguli, and J.C. Kluyver

Subjects
Physics, Particle physics, Fragmentation (mass spectrometry), Sigma, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment
Abstract

The inclusive production of Σ+ in K−p interactions at 4.2 GeV/c has been studied. Both the target fragmentation of the proton into Σ+ and the beam fragmentation of the kaon into Σ+ have been analysed with a triple-Regge model. In the\(p\bar \Sigma ^ + \) channel an effective exchange trajectory has been obtained which lies between the K and K(890) trajectories. For the\(K^ - \bar \Sigma ^ + \) channel a trajectory is found which may be interpreted as a Δ trajectory lowered by one-half.

Published
1977

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