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High-Energy Nuclear Scattering and Regge Poles

Udgaonkar, Bhalchandra M. and Gell-Mann, Murray (1962) High-Energy Nuclear Scattering and Regge Poles. Physical Review Letters, 8 (8). pp. 346-349. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:UDGprl62

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Abstract

In general, for a system of many nucleons, a sizable fractional increase of cross section requires the effectivee nucleon area to be comparable to the are aof the system (β^2 ~1). Thus, even for a light nucleus, enormous energies are required for the increase to be easily observable. However, at the highest cosmic-ray energies, the effect may be of importance. At 10^6 Bev, treating air like carbon, we predict a 25% increase in the absorption cross section of air over the value at 10Bev. It is interesting that Nikolskii et al. [9] have reported a change in the character of extensive air showers in the same energy region, indicating an increase in the absorption coefficient of air. The result has not been confirmed by other laboratories.


Item Type:Article
Additional Information:©1962 The American Physical Society Received 26 March 1962 Research supported in part by the U.S. Atomic Energy Commission and the Alfred P. Sloan Foundation.
Record Number:CaltechAUTHORS:UDGprl62
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:UDGprl62
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.8.346
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4847
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:11 Sep 2006
Last Modified:18 Sep 2014 18:11

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