dorsal/arxiv
View SchemaDeuteron Compton Scattering in Effective Field Theory And Spin-Independent Nucleon Polarizabilities
| Authors | Jiunn-Wei Chen, Xiangdong Ji, Yingchuan Li |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0408003 |
| URL | https://arxiv.org/abs/nucl-th/0408003 |
| DOI | 10.1016/j.physletb.2005.06.001 |
| Journal | Phys.Lett. B620 (2005) 33-41 |
Abstract
Deuteron Compton scattering is calculated to $\mathcal{O}(Q^2)$ in pionless effective field theory using a dibaryon approach. The vector amplitude, which was not included in the previous pionless calculations, contributes to the cross section at $\mathcal{O}(Q^2)$ and influences significantly the extracted values of nucleon electric polarizability at incident photon energy 49 MeV. We recommend future high precision deuteron compton scattering experiments being performed at 25-35 MeV photon energy where the nucleon polarizability effects are appreciable and the pionless effective field theory is most reliable. For example, a measurement at 30 MeV with a 3% error will constrain the isoscalar nucleon electric polarizability $% \alpha_{0}$ with a $\sim 30%$ error.
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"abstract": "Deuteron Compton scattering is calculated to $\\mathcal{O}(Q^2)$ in pionless\neffective field theory using a dibaryon approach. The vector amplitude, which\nwas not included in the previous pionless calculations, contributes to the\ncross section at $\\mathcal{O}(Q^2)$ and influences significantly the extracted\nvalues of nucleon electric polarizability at incident photon energy 49 MeV. We\nrecommend future high precision deuteron compton scattering experiments being\nperformed at 25-35 MeV photon energy where the nucleon polarizability effects\nare appreciable and the pionless effective field theory is most reliable. For\nexample, a measurement at 30 MeV with a 3% error will constrain the isoscalar\nnucleon electric polarizability $% \\alpha_{0}$ with a $\\sim 30%$ error.",
"arxiv_id": "nucl-th/0408003",
"authors": [
"Jiunn-Wei Chen",
"Xiangdong Ji",
"Yingchuan Li"
],
"categories": [
"nucl-th"
],
"doi": "10.1016/j.physletb.2005.06.001",
"journal_ref": "Phys.Lett. B620 (2005) 33-41",
"title": "Deuteron Compton Scattering in Effective Field Theory And Spin-Independent Nucleon Polarizabilities",
"url": "https://arxiv.org/abs/nucl-th/0408003"
},
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