A first estimation of chiral four-nucleon force effects in 4He

被引：0
|
作者：
Rozpedzik, D.
Golak, J.
Skibinski, R.
Witala, H.
Gloeckle, W.
Epelbaum, E.
Nogga, A.
Kamada, H.
机构：
[1] Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland
[2] Ruhr Univ Bochum, Inst Theoret Phys 2, D-44780 Bochum, Germany
[3] Forschungszentrum Julich, D-52425 Julich, Germany
[4] Univ Bonn, Inst Physiol 1, Helmholtz Inst Strahlen & Kernphys Theorie, D-53115 Bonn, Germany
[5] Kyushu Inst Technol, Fac Engn, Dept Phys, Kitakyushu, Fukuoka 8048550, Japan
来源：
ACTA PHYSICA POLONICA B | 2006年 / 37卷 / 10期
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We estimate four-nucleon force effects between different He-4 wave functions by calculating the expectation values of four-nucleon potentials which were recently derived within the framework of chiral effective field theory. We find that the four-nucleon force is attractive for the wave functions with a totally symmetric momentum part. The additional binding energy provided by the long-ranged part of the four-nucleon force is of the order of a few hundred keV.
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页码：2889 / 2903
页数：15
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