$pp \to ppπ^0$ near threshold in pionless effective theory

Details $pp \to ppπ^0$ near threshold in pionless effective theory $pp \to ppπ^0$ near threshold in pionless effective theory

2007-07-14

arxiv.org/abs/0707.2157v2

Eur.Phys.J.A33:185-191,2007

Physics

Nuclear Physics

Nuclear Theory

15 pages, 7 figures; 6 references added, minor revision

Scientific paper

10.1140/epja/i2007-10448-8

The total cross section of the $pp\to pp\pi^0$ reaction near threshold is calculated in pionless effective field theory with a di-baryon and external pions. The amplitudes for a leading one-body and subleading contact neutral pion production vertex are obtained including the initial and final state interactions. After estimating a low-energy constant in the contact vertex, we compare our results for the total cross section with the experimental data.

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