Compton Scattering from the Deuteron and Extracted Neutron Polarizabilities

M. Lundin, J.-O. Adler, M. Boland, K. Fissum, T. Glebe, K. Hansen, L. Isaksson, O. Kaltschmidt, M. Karlsson, K. Kossert, M. I. Levchuk, P. Lilja, B. Lindner, A. I. L’vov, B. Nilsson, D. E. Oner, C. Poech, S. Proff, A. Sandell, B. Schröder, M. Schumacher, and D. A. Sims
Phys. Rev. Lett. 90, 192501 – Published 15 May 2003

Abstract

Differential cross sections for Compton scattering from the deuteron were measured at MAX-Lab for incident photon energies of 55 and 66 MeV at nominal laboratory angles of 45°, 125°, and 135°. Tagged photons were scattered from liquid deuterium and detected in three NaI spectrometers. By comparing the data with theoretical calculations in the framework of a one-boson-exchange potential model, the sum and the difference of the isospin-averaged nucleon polarizabilities, αN+βN=17.4±3.7 and αNβN=6.4±2.4 (in units of 104   fm3), have been determined. By combining the latter with the global-averaged value for αpβp and using the predictions of the Baldin sum rule for the sum of the nucleon polarizabilities, we have obtained values for the neutron electric and magnetic polarizabilities of αn=8.8±2.4(total)±3.0(model) and βn=6.52.4(total)3.0(model), respectively.

  • Figure
  • Figure
  • Received 26 April 2002

DOI:https://doi.org/10.1103/PhysRevLett.90.192501

©2003 American Physical Society

Authors & Affiliations

M. Lundin1, J.-O. Adler1, M. Boland1, K. Fissum1, T. Glebe2, K. Hansen1, L. Isaksson1, O. Kaltschmidt2, M. Karlsson1, K. Kossert2, M. I. Levchuk3, P. Lilja1, B. Lindner4, A. I. L’vov5, B. Nilsson1, D. E. Oner2, C. Poech2, S. Proff2, A. Sandell1, B. Schröder1, M. Schumacher2, and D. A. Sims1

  • 1Department of Physics, University of Lund, SE-22100 Lund, Sweden
  • 2Zweites Physikalisches Institut, Universität Göttingen, D-37073 Göttingen, Germany
  • 3B. I. Stepanov Institute of Physics, Belarussian Academy of Sciences, 220072 Minsk, Belarus
  • 4Kristianstad University College, SE-29188 Kristianstad, Sweden
  • 5P. N. Lebedev Physical Institute, 119991 Moscow, Russia

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Issue

Vol. 90, Iss. 19 — 16 May 2003

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