Phys. Rev. C 67, 058201 (2003) [4 pages]Measurement of the RLT response function for π0 electroproduction at Q2=0.070 (GeV/c)2 in the N→Δ transition |
Received 3 December 2002; published 14 May 2003
Quadrupole amplitudes in the γ*N→Δ transition are associated with the issue of nucleon deformation. A search for these small amplitudes has been the focus of a series of measurements undertaken at Bates/MIT by the OOPS Collaboration. We report on results from H(e,e′p)π0 data obtained at Q2=0.070 (GeV/c)2 and invariant mass of W=1155 MeV using the out-of-plane detection technique with the OOPS spectrometers. The σLT and σT+εσL response functions were isolated. These results, along with those of previous measurements at W=1172 MeV and Q2=0.127 (GeV/c)2, aim in elucidating the interplay between resonant and nonresonant amplitudes.
©2003 The American Physical Society
URL: http://link.aps.org/abstract/PRC/v67/e058201
DOI: 10.1103/PhysRevC.67.058201
PACS: 14.20.Gk, 13.60.Le, 25.30.Rw
* Corresponding author. Email address: cnp@iasa.gr
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