dorsal/arxiv
View SchemaThe Delta-Delta Intermediate State in 1S0 Nucleon-Nucleon Scattering From Effective Field Theory
| Authors | Martin J. Savage |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9611022 |
| URL | https://arxiv.org/abs/nucl-th/9611022 |
| DOI | 10.1103/PhysRevC.55.2185 |
| Journal | Phys.Rev.C55:2185-2190,1997 |
Abstract
We examine the role of the Delta-Delta intermediate state in low energy NN scattering using effective field theory. Theories both with and without pions are discussed. They are regulated with dimensional regularization and MSbar subtraction. We find that the leading effects of the Delta-Delta state can be absorbed by a redefinition of the contact terms in a theory with nucleons only. It does not remove the requirement of a higher dimension operator to reproduce data out to moderate momentum. The explicit decoupling of the Delta-Delta state is shown for the theory without pions.
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"abstract": "We examine the role of the Delta-Delta intermediate state in low energy NN\nscattering using effective field theory. Theories both with and without pions\nare discussed. They are regulated with dimensional regularization and MSbar\nsubtraction. We find that the leading effects of the Delta-Delta state can be\nabsorbed by a redefinition of the contact terms in a theory with nucleons only.\nIt does not remove the requirement of a higher dimension operator to reproduce\ndata out to moderate momentum. The explicit decoupling of the Delta-Delta state\nis shown for the theory without pions.",
"arxiv_id": "nucl-th/9611022",
"authors": [
"Martin J. Savage"
],
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"hep-ph"
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"doi": "10.1103/PhysRevC.55.2185",
"journal_ref": "Phys.Rev.C55:2185-2190,1997",
"title": "The Delta-Delta Intermediate State in 1S0 Nucleon-Nucleon Scattering From Effective Field Theory",
"url": "https://arxiv.org/abs/nucl-th/9611022"
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