dorsal/arxiv
View SchemaAnalysis of the Low-Energy Theorem for \gamma p \to p \pi^0
| Authors | H. W. L. Naus, R. M. Davidson |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9506025 |
| URL | https://arxiv.org/abs/nucl-th/9506025 |
| DOI | 10.1007/s002180050053 |
| Journal | Z.Phys. A354 (1996) 329-332 |
Abstract
The derivation of the `classical' low-energy theorem (LET) for \gamma p \rightarrow p\pi^0 is re-examined and compared to chiral perturbation theory. Both results are correct and are not contradictory; they differ because different expansions of the same quantity are involved. Possible modifications of the extended partially conserved axial-vector current relation, one of the starting points in the derivation of the LET, are discussed. An alternate, more transparent form of the LET is presented.
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"abstract": "The derivation of the `classical\u0027 low-energy theorem (LET) for \\gamma p\n\\rightarrow p\\pi^0 is re-examined and compared to chiral perturbation theory.\nBoth results are correct and are not contradictory; they differ because\ndifferent expansions of the same quantity are involved. Possible modifications\nof the extended partially conserved axial-vector current relation, one of the\nstarting points in the derivation of the LET, are discussed. An alternate, more\ntransparent form of the LET is presented.",
"arxiv_id": "nucl-th/9506025",
"authors": [
"H. W. L. Naus",
"R. M. Davidson"
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"doi": "10.1007/s002180050053",
"journal_ref": "Z.Phys. A354 (1996) 329-332",
"title": "Analysis of the Low-Energy Theorem for \\gamma p \\to p \\pi^0",
"url": "https://arxiv.org/abs/nucl-th/9506025"
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