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Hypernucleus Studies. I. Mesonically Decaying Hypernuclei

Journal Article · · Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences
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A systematic study of 260,000 stars produced by 4.3 Bev/c negative pi - mesons and of 1000 K-interaction stars, both in Ilford G 5 nuclear emuision, yieided 46 hypernuclei decaying by the mesonic mode. The identification of these events is described and the binding energy of the LAMBDA /sup 0/ hyperon in the nucleus is calculated in each case with the help of a program written for the Ferranti Mercury computer. The binding energies of the uniquely identified hypernuclei were found to be as follows: /sub LAMBDA /H/sup 3/,B/sub LAMBDA / = 0.67 plus or minus 0.38 Mev; /sub LAMBDA /H/sup 4/,B/sub LAMBDA / = 1.94 plus or minus 0.28 Mev,; /sub LAMBDA /He/sup 5/,B/sub LAMBDA / = 3.21 plus or minus 0.14 Mev; /sub LAMBDA Li/sup 9/,B/sub LAMBDA = 3.51 plus or minus 3.49 Mev. All other events admit alternative interpretations, and the binding energies are tabulated for the various possibilities. Other experimental results are discussed. The quoted errors in the binding energies are random errors; contributions from systematic sources are discussed and they amount to about 0.3 Mev.
Research Organization:
Univ. of Oxford
Sponsoring Organization:
USDOE
NSA Number:
NSA-14-012170
OSTI ID:
4171791
Journal Information:
Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences, Journal Name: Proceedings of the Royal Society. A. Mathematical, Physical and Engineering Sciences Journal Issue: 1279 Vol. 254; ISSN 1364-5021
Publisher:
The Royal Society Publishing
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

BINDING ENERGY
DECAY
HYDROGEN
HYPERFRAGMENTS
INTERACTIONS
KAONS
LAMBDA PARTICLES
MESONS
NUCLEAR EMULSIONS
PARTICLE TRACKS
PHYSICS
PIONS
PROGRAMMING
TRITIUM