ABSORPTION OF NEGATIVE MUONS IN C$sup 12$ LEADING TO PRODUCTION OF BOUND B$sup 1$$sup 2$
Journal Article
·
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
A negative muon beam from the Cannegie Tech synchrocyclotron was stopped in a six-inch propane bubble chamber. Since the hydrogen does not form mu - mesonic atoms in the presence of carbon, the pictures yield information on the interaction of stopped muons with carbon. About 30,000. pictures of stopping muons were taken with the bubble chamber kept sensitive for approximately 20 msec after the beam pulse in order to observe the beta decay of any bound B/sup 12/ nuclei resulting from mu absorption by carbon. The chamber was photographed right after the beam pulse to deterraine whether a given stopped muon decayed or was absorbed. Another photograph was taken about 15 msec later to determine if the absorption had led to a nucleus which had beta decayed. A count of mu -e decays in the same film allowed the determination of the probability per unit time of bound B/sup 12/ formation. Forty-six boron decays were observed yielding (7.6 plus or minus 1.2) x 10/sup 3/ sec/sup -1/ for the rate of bound B/sup 12/ production. Possible interpretation of this result in terms of a universal V-A Fermi interaction is discussed. (auth)
- Research Organization:
- Carnegie Inst. of Tech., Pittsburgh
- NSA Number:
- NSA-14-015310
- OSTI ID:
- 4167336
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 118; ISSN PHRVA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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