3-BODY FORCES IN NUCLEAR MATTER

被引:94
作者
BROWN, GE
GREEN, AM
机构
[1] Institute for Theoretical Physics State University of New York, Stony Brook Research supported by the US Atomic Energy Commission under Contract No. AT(30-1)-4032., Long Island
[2] Research Institute for Theoretical Physics University of Helsinki, Helsinki
[3] NORDITA, Copenhagen
关键词
D O I
10.1016/0375-9474(69)90068-2
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
An earlier claim about the smallness of three-body effects in nuclear matter is examined in the light of a criticism. Our conclusion is that, whereas the lowest-order three-body effect is small, second-order effects are larger, with the net result of ≈ 2.5 MeV per particle additional binding at the saturation density. Although these results depend on the way one extrapolates off the pion mass shell, different ways which seem to us to be reasonable give roughly the same result. © 1969.
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