dorsal/arxiv
View SchemaRadiation pions in two-nucleon effective field theory
| Authors | Thomas Mehen, Iain W. Stewart |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9901064 |
| URL | https://arxiv.org/abs/nucl-th/9901064 |
| DOI | 10.1016/S0375-9474(99)00368-1 |
| Journal | Nucl.Phys. A665 (2000) 164-182 |
Abstract
For interactions involving two or more nucleons it is useful to divide pions into three classes: potential, radiation, and soft. The momentum threshold for the production of radiation pions is $Q_r = \sqrt{M_N m_\pi}$. We show that radiation pions can be included systematically with a power counting in $Q_r$. The leading order radiation pion graphs which contribute to NN scattering are evaluated in the PDS and OS renormalization schemes and are found to give a small contribution. The power counting for soft pion contributions is also discussed.
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"abstract": "For interactions involving two or more nucleons it is useful to divide pions\ninto three classes: potential, radiation, and soft. The momentum threshold for\nthe production of radiation pions is $Q_r = \\sqrt{M_N m_\\pi}$. We show that\nradiation pions can be included systematically with a power counting in $Q_r$.\nThe leading order radiation pion graphs which contribute to NN scattering are\nevaluated in the PDS and OS renormalization schemes and are found to give a\nsmall contribution. The power counting for soft pion contributions is also\ndiscussed.",
"arxiv_id": "nucl-th/9901064",
"authors": [
"Thomas Mehen",
"Iain W. Stewart"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1016/S0375-9474(99)00368-1",
"journal_ref": "Nucl.Phys. A665 (2000) 164-182",
"title": "Radiation pions in two-nucleon effective field theory",
"url": "https://arxiv.org/abs/nucl-th/9901064"
},
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