New limit on axion production in 800-GeV hadronic showers.

C. N. Brown,W. E. Cooper,D. A. Finley,A. Jonckheere,H. Jöstlein,D.M. Kapĺan,Leon M. Lederman,S. R. Smith,K.B. Luk,R. Gray,R. E. Plaag,John Rutherfoord,P. B. Straub,K. Young,Y. Hemmi,K. Imai,K. Miyake,Y. Sakai,N. Sasao,N. Tamura,Tsuneya Yoshida,A. Maki,J. A. Crittenden,Y. B. Hsiung,M. R. Adams,H. D. Glass,D. Jaffe,R. McCarthy,J.R. Hubbard,Ph Mangeot

New limit on axion production in 800-GeV hadronic showers.

1986

A search for neutral penetrating paticles has been made by use of an 800-GeV proton beam incident on the magnetized beam dump of the E605 spectrometer. Limits on the mass and couplings of such particles are presented. A 1.8-MeV axion coupled only to e/sup +/e/sup -/ is ruled out.

Keywords:

Pair production
Nuclear physics
Antimatter
Proton
Beam dump
Electron
Particle physics
Physics
Positron
Axion
Spectrometer
Particle decay
Elementary particle
Lepton
Hadron

Correction
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