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Many-pion production in. pi. /sup +/d reactions at 15 GeV/c

Journal Article · · Phys. Rev., D; (United States)
The average number of charged pions produced in ..pi../sup +/d reactions at 15-GeV/c ..pi../sup +/ momentum is 3.6 +- 0.1 and the average number of ..pi../sup 0/'s is 1.9 +- 0.2. The average number of ..pi../sup 0/'s produced is essentially independent of the number of charged pions. About 45% of the events have four or more charged pions in the final state. The exclusive final states with four or more charged pions with zero or one ..pi../sup 0/ are presented and compared with modified phase-space background computations. Other than the well-known resonances, such as the rho/sup 0/, no new peaks have been observed. Coherently produced multipion systems with up to seven pions are also discussed. Detailed cross-section information for every final state is presented.
Research Organization:
Florida State University, Tallahassee, Florida 32306
OSTI ID:
5938202
Journal Information:
Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 20:9; ISSN PRVDA
Country of Publication:
United States
Language:
English