{"paper":{"title":"Neutron polarizabilities investigated by quasi-free Compton scattering from the deuteron","license":"","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"nucl-ex","authors_text":"A.I. L'vov, A. Natter, A. Thomas, B. Seitz, F. Smend, F. Wissmann, F. Zapadtka, G. Caselotti, H.-J. Arends, J. Ahrens, J.C. McGeorge, K. Kossert, M. Camen, M.I. Levchuk, M. Schumacher, O. Jahn, P.D. Harty, P. Grabmayr, P. Jennewein, R. Beck, V.A. Petrun'kin, V. Olmos de Leon, W. Weihofen","submitted_at":"2002-01-23T15:19:32Z","abstract_excerpt":"Measuring Compton scattered photons and recoil neutrons in coincidence, quasi-free Compton scattering by the neutron has been investigated at MAMI (Mainz) at $theta^{lab}_\\gamma=136^o$ in an energy range from 200 to 400 MeV.\n  From the data a polarizability difference of $\\alpha_n - \\beta_n = 9.8 \\pm 3.6(stat)^{+2.1}_{-1.1}(syst)\\pm 2.2(model)$ in units of $10^{-4}fm^3$ has been determined. In combination with the polarizability sum $\\alpha_n+\\beta_n= 15.2\\pm 0.5$ deduced from photo absorption data, the neutron electric and magnetic polarizabilities, $\\alpha_n=12.5\\pm 1.8(stat)^{+1.1}_{-0.6}(s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0201015","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}