Effective range expansion in various scenarios of EFT($\notpi$)

Details Effective range expansion in various scenarios of EFT($\notpi$) Effective range expansion in various scenarios of EFT($\notpi$)

2011-02-18

arxiv.org/abs/1102.3752v3

Europhys. Lett.94:41002, 2011

Physics

Nuclear Physics

Nuclear Theory

6 pages, 3 tables, no figure, revtex4-1, minor revisions, to appear in EPL

Scientific paper

10.1209/0295-5075/94/41002

Using rigorous solutions, we compare the ERE parameters obtained in three
different scenarios of EFT($\notpi$) in nonperturbative regime. A scenario with
unconventional power counting (like KSW) is shown to be disfavored by the PSA
data, while the one with elaborate prescription of renormalization but keeping
conventional power counting intact seems more promising.

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