Neutron polarizabilities investigated by quasifree Compton scattering from the deuteron

Kossert, K. et al. (2002) Neutron polarizabilities investigated by quasifree Compton scattering from the deuteron. Physical Review Letters, 88(16), art 162301. (doi: 10.1103/PhysRevLett.88.162301)

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Measuring Compton scattered photons and recoil neutrons in coincidence, quasifree Compton scattering by the neutron has been investigated at MAMI (Mainz) at theta(gamma)(lab) = 136degrees in an energy range from 200 to 400 MeV. From the data a polarizability difference of alpha(n) - beta(n) = 9.8 +/- 3.6(stat)(-1.1)(+2.1)(syst) +/- 2.2(model) in units of 10(- 4) fm(3) has been determined. In combination with the polarizability sum alpha(n) + beta(n) = 15.2 +/- 0.5 deduced from photoabsorption data, the first precise results for the neutron electric and magnetic polarizabilities, alpha(n) = 12.5 +/- 1.8(stat)(-0.6)(+1.1)(syst) +/- 1.1(model) and beta(n) = 2.7 -/+ 1.8(stat)(-1.1)(+0.6)(syst) -/+ 1.1(model) , are obtained.

Item Type:Articles
Additional Information:Thomson UT: 174905400011
Glasgow Author(s) Enlighten ID:Seitz, Dr Bjoern and Annand, Dr John and Rosner, Professor Guenther
Authors: Kossert, K., Camen, M., Wissmann, F., Ahrens, J., Annand, J.R.M., Arends, H.J., Beck, R., Caselotti, G., Grabmayr, P., Jahn, O., Jennewein, P., Levchuk, M.I., L'vov, A.I., McGeorge, J.C., Natter, A., de Leon, V.O., Petrun'kin, V.A., Rosner, G., Schumacher, M., Seitz, B., Smend, F., Thomas, A., Weihofen, W., and Zapadtka, F.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review Letters
Publisher:American Physical Society
ISSN (Online):1079-7114

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