TY  - JOUR
AU  - Davesne, D.
AU  - Navarro, J.
AU  - Meyer, J.
AU  - Bennaceur, K.
AU  - Pastore, A.
PY  - 2018
DA  - 2018//
TI  - Two-body contributions to the effective mass in nuclear effective interactions
T2  - Phys. Rev. C
JO  - Physical Review C
SP  - 044304
EP  - 7pp
VL  - 97
IS  - 4
PB  - Amer Physical Soc
AB  - Starting from general expressions of well-chosen symmetric nuclear matter quantities derived for both zero-and finite-range effective theories, we derive some universal relations between them. We first showthat, independently of the range, the two-body contribution is enough to describe correctly the saturation mechanism but gives an effective mass value around m(*)/m similar or equal to 0.4 when the other properties of the saturation point are set near their generally accepted values. Then, we show that a more elaborated interaction (for instance, an effective two-body density-dependent term on top of the pure two-body term) is needed to reach the accepted value m(*)/m similar or equal to 0.7-0.8.
SN  - 2469-9985
UR  - http://arxiv.org/abs/1712.03003
UR  - https://doi.org/10.1103/PhysRevC.97.044304
DO  - 10.1103/PhysRevC.97.044304
LA  - English
N1  - WOS:000429456600002
ID  - Davesne_etal2018
ER  -