Survey of A<inf>LT′</inf>asymmetries in semi-exclusive electron scattering on<sup>4</sup>He and<sup>12</sup>C

D. Protopopescu, F. W. Hersman, M. Holtrop, G. Adams, P. Ambrozewicz, E. Anciant, M. Anghinolfi, B. Asavapibhop, G. Asryan, G. Audit, T. Auger, H. Avakian, H. Bagdasaryan, J. P. Ball, S. Barrow, M. Battaglieri, K. Beard, M. Bektasoglu, M. Bellis, N. BenmounaB. L. Berman, W. Bertozzi, N. Bianchi, A. S. Biselli, S. Boiarinov, B. E. Bonner, S. Bouchigny, R. Bradford, D. Branford, W. J. Briscoe, W. K. Brooks, V. D. Burkert, C. Butuceanu, J. R. Calarco, D. S. Carman, B. Carnahan, C. Cetina, S. Chen, P. L. Cole, A. Coleman, D. Cords, P. Corvisiero, D. Crabb, H. Crannell, J. P. Cummings, D. Debruyne, E. De Sanctis, R. DeVita, P. V. Degtyarenko, L. Dennis, K. V. Dharmawardane, K. S. Dhuga, C. Djalali, G. E. Dodge, D. Doughty, P. Dragovitsch, M. Dugger, S. Dytman, O. P. Dzyubak, H. Egiyan, K. S. Egiyan, L. Elouadrhiri, A. Empl, P. Eugenio, R. Fatemi, R. J. Feuerbach, T. A. Forest, H. Funsten, G. Gavalian, S. Gilad, G. P. Gilfoyle, K. L. Giovanetti, P. Girard, C. I.O. Gordon, R. W. Gothe, K. A. Griffioen, M. Guidal, M. Guillo, N. Guler, L. Guo, V. Gyurjyan, C. Hadjidakis, R. S. Hakobyan, J. Hardie, D. Heddle, K. Hicks, I. Hleiqawi

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Single spin azimuthal asymmetries ALT′were measured at Jefferson Lab using 2.2 and 4.4 GeV longitudinally polarised electrons incident on4He and12C targets in the CLAS detector. ALT′is related to the imaginary part of the longitudinal-transverse interference and in quasifree nucleon knockout it provides an unambiguous signature for final state interactions (FSI). Experimental values of ALT′were found to be below 5%, typically ALT′≤ 3% for data with good statistical precision. Optical model in eikonal approximation (OMEA) and relativistic multiple-scattering Glauber approximation (RMSGA) calculations are shown to be consistent with the measured asymmetries. © 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)357-373
Number of pages17
JournalNuclear Physics A
Publication statusPublished - 21 Feb 2005
Externally publishedYes

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    Protopopescu, D., Hersman, F. W., Holtrop, M., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., Asavapibhop, B., Asryan, G., Audit, G., Auger, T., Avakian, H., Bagdasaryan, H., Ball, J. P., Barrow, S., Battaglieri, M., Beard, K., Bektasoglu, M., Bellis, M., ... Hleiqawi, I. (2005). Survey of A<inf>LT′</inf>asymmetries in semi-exclusive electron scattering on<sup>4</sup>He and<sup>12</sup>C. Nuclear Physics A, 357-373.