Polarization-transfer measurement to a large-virtuality bound proton in the deuteron

Yaron, I. and Izraeli, D. and Achenbach, P. and Arenhövel, H. and Beričič, J. and Böhm, R. and Bosnar, Damir and Cohen, E. O. and Debenjak, L. and Distler, M. O. and Esser, A. and Friščić, I. and Gilman, R. and Korover, I. and Lichtenstadt, J. and Merkel, H. and Middleton, D. G. and Mihovilovič, M. and Müller, U. and Piasetzky, E. and Pochodzalla, J. and Ron, G. and Schlimme, B. S. and Schoth, M. and Schulz, F. and Sfienti, C. and Širca, S. and Strauch, S. and Thiel, M. and Tyukin, A. and Weber, A. (A1 Collaboration) (2017) Polarization-transfer measurement to a large-virtuality bound proton in the deuteron. Physics Letters B, 769. pp. 21-24. ISSN 0370-2693

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We report the measurement of the ratio of polarization-transfer components, Px/Pz, in the 2H(e, e p)n reaction at low and high missing momenta, in search of differences between free and bound protons. The observed deviation of Px/Pz from that of a free proton, which is similar to that observed in 4He, indicates that the effect in nuclei is a function of the virtuality of the knock-out proton and the missing momentum direction, but not the average nuclear density. There is a general agreement between the data and calculations, which assume free proton form factors, however, the measurements are consistently about 10% higher.

Item Type: Article
Keywords: electron-scattering
Date: 14 March 2017
Subjects: NATURAL SCIENCES > Physics
Additional Information: © 2017 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3. Received 20 July 2016. Received in revised form 17 January 2017. Accepted 19 January 2017. Available online 14 March 2017.
Divisions: Faculty of Science > Department of Physics
Publisher: Elsevier
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 06 Apr 2017 15:37
Last Modified: 29 Nov 2017 17:23
URI: http://digre.pmf.unizg.hr/id/eprint/5482

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