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Title: Compton scattering from the deuteron above pion-production threshold

Abstract

The electromagnetic polarizabilities of the nucleon are fundamental nucleon-structure observables that characterize its response to external electromagnetic fields. The neutron polarizabilities can be accessed from Compton-scattering data on light nuclear targets. Recent measurements of the differential cross section for Compton scattering on the deuteron below the pion-production threshold have decreased the uncertainties in the neutron polarizabilities, yet the proton polarizabilities remain known substantially more accurately. Here, as the sensitivity of the cross section to the polarizabilities increases with incident photon energy, measurements above the pion threshold may offer a way for an improved determination of the neutron polarizabilities. In this work, the first measurement of the cross section for Compton scattering on the deuteron above the pion-production threshold is presented.

Authors:
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Publication Date:
Research Org.:
George Washington Univ., Washington, DC (United States); Univ. of Kentucky, Lexington, KY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Org.:
The COMPTON@MAX-lab Collaboration
OSTI Identifier:
1464054
Alternate Identifier(s):
OSTI ID: 1461227; OSTI ID: 1908351
Grant/Contract Number:  
SC0016583; 40324901; 80410001; 20060749; 57071/1; 50727/1; PHY1309130; SC0016581; FG02-06ER41422; 0553467; FG02–06ER41422; SC0016656
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 98; Journal Issue: 1; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; photonuclear reactions; polarization phenomena; spectrometers and spectroscopic techniques; A ≤ 5

Citation Formats

Strandberg, B., Annand, J. R. M., Briscoe, W., Brudvik, J., Cividini, F., Clark, L., Downie, E. J., England, K., Feldman, G., Fissum, K. G., Glazier, D. I., Hamilton, K., Hansen, K., Isaksson, L., Jebali, R. Al, Kovash, M. A., Lipschutz, S., Lundin, M., Meshkian, M., Middleton, D. G., Myers, L. S., O'Donnell, D., O'Rielly, G., Oussena, B., Preston, M. F., Schröder, B., Seitz, B., Strakovsky, I., and Taragin, M. Compton scattering from the deuteron above pion-production threshold. United States: N. p., 2018. Web. doi:10.1103/PhysRevC.98.012201.
Strandberg, B., Annand, J. R. M., Briscoe, W., Brudvik, J., Cividini, F., Clark, L., Downie, E. J., England, K., Feldman, G., Fissum, K. G., Glazier, D. I., Hamilton, K., Hansen, K., Isaksson, L., Jebali, R. Al, Kovash, M. A., Lipschutz, S., Lundin, M., Meshkian, M., Middleton, D. G., Myers, L. S., O'Donnell, D., O'Rielly, G., Oussena, B., Preston, M. F., Schröder, B., Seitz, B., Strakovsky, I., & Taragin, M. Compton scattering from the deuteron above pion-production threshold. United States. https://doi.org/10.1103/PhysRevC.98.012201
Strandberg, B., Annand, J. R. M., Briscoe, W., Brudvik, J., Cividini, F., Clark, L., Downie, E. J., England, K., Feldman, G., Fissum, K. G., Glazier, D. I., Hamilton, K., Hansen, K., Isaksson, L., Jebali, R. Al, Kovash, M. A., Lipschutz, S., Lundin, M., Meshkian, M., Middleton, D. G., Myers, L. S., O'Donnell, D., O'Rielly, G., Oussena, B., Preston, M. F., Schröder, B., Seitz, B., Strakovsky, I., and Taragin, M. Mon . "Compton scattering from the deuteron above pion-production threshold". United States. https://doi.org/10.1103/PhysRevC.98.012201. https://www.osti.gov/servlets/purl/1464054.
@article{osti_1464054,
title = {Compton scattering from the deuteron above pion-production threshold},
author = {Strandberg, B. and Annand, J. R. M. and Briscoe, W. and Brudvik, J. and Cividini, F. and Clark, L. and Downie, E. J. and England, K. and Feldman, G. and Fissum, K. G. and Glazier, D. I. and Hamilton, K. and Hansen, K. and Isaksson, L. and Jebali, R. Al and Kovash, M. A. and Lipschutz, S. and Lundin, M. and Meshkian, M. and Middleton, D. G. and Myers, L. S. and O'Donnell, D. and O'Rielly, G. and Oussena, B. and Preston, M. F. and Schröder, B. and Seitz, B. and Strakovsky, I. and Taragin, M.},
abstractNote = {The electromagnetic polarizabilities of the nucleon are fundamental nucleon-structure observables that characterize its response to external electromagnetic fields. The neutron polarizabilities can be accessed from Compton-scattering data on light nuclear targets. Recent measurements of the differential cross section for Compton scattering on the deuteron below the pion-production threshold have decreased the uncertainties in the neutron polarizabilities, yet the proton polarizabilities remain known substantially more accurately. Here, as the sensitivity of the cross section to the polarizabilities increases with incident photon energy, measurements above the pion threshold may offer a way for an improved determination of the neutron polarizabilities. In this work, the first measurement of the cross section for Compton scattering on the deuteron above the pion-production threshold is presented.},
doi = {10.1103/PhysRevC.98.012201},
journal = {Physical Review C},
number = 1,
volume = 98,
place = {United States},
year = {Mon Jul 23 00:00:00 EDT 2018},
month = {Mon Jul 23 00:00:00 EDT 2018}
}

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