Measurements of the generalized electric and magnetic polarizabilities of the proton at Low Q2 using the virtual-compton-scattering reaction

P. Bourgeois, Y. Sato, J. Shaw, Ricardo Alarcon, A. M. Bernstein, W. Bertozzi, T. Botto, J. Calarco, F. Casagrande, M. O. Distler, K. Dow, M. Farkondeh, S. Georgakopoulos, S. Gilad, R. Hicks, M. Holtrop, A. Hotta, X. Jiang, A. Karabarbounis, J. KirkpatrickS. Kowalski, R. Milner, R. Miskimen, I. Nakagawa, C. N. Papanicolas, A. J. Sarty, S. Sirca, E. Six, N. F. Sparveris, S. Stave, E. Stiliaris, T. Tamae, G. Tsentalovich, C. Tschalaer, W. Turchinetz, Z. L. Zhou, T. Zwart

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Abstract

The mean square polarizability radii of the proton have been measured for the first time in a virtual-Compton-scattering experiment performed at the MIT-Bates out-of-plane scattering facility. Response functions and polarizabilities obtained from a dispersion analysis of the data at Q2=0.057GeV2/c2 are in agreement with O(p3) heavy baryon chiral perturbation theory. The data support the dominance of mesonic effects in the polarizabilities.

Original languageEnglish (US)
Article number212001
JournalPhysical Review Letters
Volume97
Issue number21
DOIs
StatePublished - 2006

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protons
scattering
baryons
perturbation theory
radii

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Measurements of the generalized electric and magnetic polarizabilities of the proton at Low Q2 using the virtual-compton-scattering reaction. / Bourgeois, P.; Sato, Y.; Shaw, J.; Alarcon, Ricardo; Bernstein, A. M.; Bertozzi, W.; Botto, T.; Calarco, J.; Casagrande, F.; Distler, M. O.; Dow, K.; Farkondeh, M.; Georgakopoulos, S.; Gilad, S.; Hicks, R.; Holtrop, M.; Hotta, A.; Jiang, X.; Karabarbounis, A.; Kirkpatrick, J.; Kowalski, S.; Milner, R.; Miskimen, R.; Nakagawa, I.; Papanicolas, C. N.; Sarty, A. J.; Sirca, S.; Six, E.; Sparveris, N. F.; Stave, S.; Stiliaris, E.; Tamae, T.; Tsentalovich, G.; Tschalaer, C.; Turchinetz, W.; Zhou, Z. L.; Zwart, T.

In: Physical Review Letters, Vol. 97, No. 21, 212001, 2006.

Research output: Contribution to journalArticle

Bourgeois, P, Sato, Y, Shaw, J, Alarcon, R, Bernstein, AM, Bertozzi, W, Botto, T, Calarco, J, Casagrande, F, Distler, MO, Dow, K, Farkondeh, M, Georgakopoulos, S, Gilad, S, Hicks, R, Holtrop, M, Hotta, A, Jiang, X, Karabarbounis, A, Kirkpatrick, J, Kowalski, S, Milner, R, Miskimen, R, Nakagawa, I, Papanicolas, CN, Sarty, AJ, Sirca, S, Six, E, Sparveris, NF, Stave, S, Stiliaris, E, Tamae, T, Tsentalovich, G, Tschalaer, C, Turchinetz, W, Zhou, ZL & Zwart, T 2006, 'Measurements of the generalized electric and magnetic polarizabilities of the proton at Low Q2 using the virtual-compton-scattering reaction', Physical Review Letters, vol. 97, no. 21, 212001. https://doi.org/10.1103/PhysRevLett.97.212001
Bourgeois, P. ; Sato, Y. ; Shaw, J. ; Alarcon, Ricardo ; Bernstein, A. M. ; Bertozzi, W. ; Botto, T. ; Calarco, J. ; Casagrande, F. ; Distler, M. O. ; Dow, K. ; Farkondeh, M. ; Georgakopoulos, S. ; Gilad, S. ; Hicks, R. ; Holtrop, M. ; Hotta, A. ; Jiang, X. ; Karabarbounis, A. ; Kirkpatrick, J. ; Kowalski, S. ; Milner, R. ; Miskimen, R. ; Nakagawa, I. ; Papanicolas, C. N. ; Sarty, A. J. ; Sirca, S. ; Six, E. ; Sparveris, N. F. ; Stave, S. ; Stiliaris, E. ; Tamae, T. ; Tsentalovich, G. ; Tschalaer, C. ; Turchinetz, W. ; Zhou, Z. L. ; Zwart, T. / Measurements of the generalized electric and magnetic polarizabilities of the proton at Low Q2 using the virtual-compton-scattering reaction. In: Physical Review Letters. 2006 ; Vol. 97, No. 21.
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abstract = "The mean square polarizability radii of the proton have been measured for the first time in a virtual-Compton-scattering experiment performed at the MIT-Bates out-of-plane scattering facility. Response functions and polarizabilities obtained from a dispersion analysis of the data at Q2=0.057GeV2/c2 are in agreement with O(p3) heavy baryon chiral perturbation theory. The data support the dominance of mesonic effects in the polarizabilities.",
author = "P. Bourgeois and Y. Sato and J. Shaw and Ricardo Alarcon and Bernstein, {A. M.} and W. Bertozzi and T. Botto and J. Calarco and F. Casagrande and Distler, {M. O.} and K. Dow and M. Farkondeh and S. Georgakopoulos and S. Gilad and R. Hicks and M. Holtrop and A. Hotta and X. Jiang and A. Karabarbounis and J. Kirkpatrick and S. Kowalski and R. Milner and R. Miskimen and I. Nakagawa and Papanicolas, {C. N.} and Sarty, {A. J.} and S. Sirca and E. Six and Sparveris, {N. F.} and S. Stave and E. Stiliaris and T. Tamae and G. Tsentalovich and C. Tschalaer and W. Turchinetz and Zhou, {Z. L.} and T. Zwart",
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T1 - Measurements of the generalized electric and magnetic polarizabilities of the proton at Low Q2 using the virtual-compton-scattering reaction

AU - Bourgeois, P.

AU - Sato, Y.

AU - Shaw, J.

AU - Alarcon, Ricardo

AU - Bernstein, A. M.

AU - Bertozzi, W.

AU - Botto, T.

AU - Calarco, J.

AU - Casagrande, F.

AU - Distler, M. O.

AU - Dow, K.

AU - Farkondeh, M.

AU - Georgakopoulos, S.

AU - Gilad, S.

AU - Hicks, R.

AU - Holtrop, M.

AU - Hotta, A.

AU - Jiang, X.

AU - Karabarbounis, A.

AU - Kirkpatrick, J.

AU - Kowalski, S.

AU - Milner, R.

AU - Miskimen, R.

AU - Nakagawa, I.

AU - Papanicolas, C. N.

AU - Sarty, A. J.

AU - Sirca, S.

AU - Six, E.

AU - Sparveris, N. F.

AU - Stave, S.

AU - Stiliaris, E.

AU - Tamae, T.

AU - Tsentalovich, G.

AU - Tschalaer, C.

AU - Turchinetz, W.

AU - Zhou, Z. L.

AU - Zwart, T.

PY - 2006

Y1 - 2006

N2 - The mean square polarizability radii of the proton have been measured for the first time in a virtual-Compton-scattering experiment performed at the MIT-Bates out-of-plane scattering facility. Response functions and polarizabilities obtained from a dispersion analysis of the data at Q2=0.057GeV2/c2 are in agreement with O(p3) heavy baryon chiral perturbation theory. The data support the dominance of mesonic effects in the polarizabilities.

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