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Author Downs, B. W. ♦ Dalitz, R. H.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PHYSICS AND MATHEMATICS ♦ BINDING ENERGY ♦ HELIUM 5 ♦ HYPERFRAGMENTS ♦ INTERACTIONS ♦ LAMBDA PARTICLES ♦ NEUTRONS ♦ NUCLEAR THEORY ♦ NUCLEONS ♦ NUMERICALS ♦ PARTICLE MODELS ♦ PIONS ♦ SPIN ♦ TRITONS
Abstract An analysis of the LAMBDA -hypernuclear three-body systems is made by a variational method with a six-parameter trial function. An upper bound for the strength of the LAMBDA -nucleon interaction required to account for the observed binding of the T = 0 hypentriton LAMBDA H/sup 3/ is obtained. This upper bound is 10--20% (depending upon the value taken for the binding energy) lower than the previous estimate by the same authors. An improved quantitative estimate of the spin dependence of the A-nucleon interaction (neglecting the possible influence of three-body forces) is obtained from the results of this analysis and those of a previous analysis of /sub LAMBDA /He/sup 5/ from this estimate it follows that the existence of a bound LAMBDA -nucleon system is strongly excluded. The analysis of the T = l triplet ese systems are not expected to form bound states. It appears that the essential conclusions of this work would not be seriously affected if there exist moderately strong three-body forces arising from pion exchange processes. (auth)
ISSN 0031899X
Educational Use Research
Learning Resource Type Article
Publisher Date 1959-04-15
Publisher Department Cornell Univ., Ithaca, N.Y. ♦ Univ. of Chicago
Journal Physical Review
Volume Number 114
Organization Cornell Univ., Ithaca, N.Y. ♦ Univ. of Chicago


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