Coherent pi⁰ threshold production from the deuteron at Q²=0.1 GeV²/c²

Ewald, I. et al. (2001) Coherent pi⁰ threshold production from the deuteron at Q²=0.1 GeV²/c². Physics Letters B, 499(3-4), 238 -244. (doi: 10.1016/S0370-2693(00)01396-4)

Abstract

First data on coherent threshold pi (0) electroproduction from the deuteron taken by the Al Collaboration at the Mainz Microtron MAMI are presented. At a four-momentum transfer of q(2) = -0.1GeV(2)/c(2) the full solid angle was covered up to a center-of-mass energy of 4 MeV above threshold, By means of a Rosenbluth separation the longitudinal threshold s wave multipole and an upper limit for the transverse threshold s wave multipole could be extracted and compared to predictions of Heavy Baryon Chiral Perturbation Theory.

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Rosner, Professor Guenther
• Authors: Ewald, I., Bartsch, P., Baumann, D., Bermuth, J., Bernstein, A.M., Bohinc, K., Bohm, R., Clawiter, N., Derber, S., Ding, M., Distler, M.O., Friedrich, J., Friedrich, J.M., Kahrau, M., Kohl, M., Kozlov, A., Krygier, K.W., Liesenfeld, A., Merkel, H., Merle, P., Muller, U., Neuhausen, R., Pavan, M., Pospischil, T., Potokar, M., Rohe, D., Rosner, G., Schmieden, H., Sirca, S., Wagner, A., Walcher, T., and Weis, M.
• Subjects: Q Science > QC Physics
• College/School: College of Science and Engineering > School of Physics and Astronomy
• Journal Name: Physics Letters B
• Publisher: Elsevier BV
• ISSN: 0370-2693
• ISSN (Online): 1873-2445