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Target And Beam-target Spin Asymmetries In Exclusive Pion Electroproduction For Q(2) > 1 Gev2. Ii. Ep -> E Pi(0) P

Title: Target And Beam-target Spin Asymmetries In Exclusive Pion Electroproduction For Q(2) > 1 Gev2. Ii. Ep -> E Pi(0) P.
Name(s): Bosted, P. E., author
Kim, A., author
Adhikari, K. P., author
Adikaram, D., author
Akbar, Z., author
Amaryan, M. J., author
Pereira, S. Anefalos, author
Avakian, H., author
Badui, R. A., author
Ball, J., author
Balossino, I., author
Battaglieri, M., author
Bedlinskiy, I., author
Biselli, A. S., author
Boiarinov, S., author
Briscoe, W. J., author
Brooks, W. K., author
Bultmann, S., author
Burkert, V. D., author
Cao, T., author
Carman, D. S., author
Celentano, A., author
Chandavar, S., author
Charles, G., author
Chetry, T., author
Ciullo, G., author
Clark, L., author
Colaneri, L., author
Cole, P. L., author
Contalbrigo, M., author
Cortes, O., author
Crede, V., author
D'Angelo, A., author
Dashyan, N., author
De Vita, R., author
De Sanctis, E., author
Deur, A., author
Djalali, C., author
Dupre, R., author
Egiyan, H., author
El Alaoui, A., author
El Fassi, L., author
Elouadrhiri, L., author
Eugenio, P., author
Fanchini, E., author
Fedotov, G., author
Fegan, S., author
Fersch, R., author
Filippi, A., author
Fleming, J. A., author
Forest, T. A., author
Fradi, A., author
Ghandilyan, Y., author
Gilfoyle, G. P., author
Girod, F. X., author
Glazier, D. I., author
Gohn, W., author
Golovatch, E., author
Gothe, R. W., author
Griffioen, K. A., author
Guidal, M., author
Guler, N., author
Hakobyan, H., author
Guo, L., author
Hafidi, K., author
Hakobyan, H., author
Hanretty, C., author
Harrison, N., author
Hattawy, M., author
Heddle, D., author
Hicks, K., author
Hollis, G., author
Holtrop, M., author
Hughes, S. M., author
Ireland, D. G., author
Isupov, E. L., author
Jenkins, D., author
Jiang, H., author
Jo, H. S., author
Joo, K., author
Keller, D., author
Khachatryan, G., author
Khandaker, M., author
Kim, W., author
Klei, A., author
Klein, F. J., author
Koirala, S., author
Kubarovsky, V., author
Kuhn, S. E., author
Lanza, L., author
Lenisa, P., author
Livingston, K., author
Lu, H. Y., author
MacGregor, I. J. D., author
Markov, N., author
Mayer, M., author
McCracken, M. E., author
McKinnon, B., author
Mineeva, T., author
Mirazita, M., author
Mokeev, V. I., author
Montgomery, R. A., author
Movsisyan, A., author
Camacho, C. Munoz, author
Murdoch, G., author
Nadel-Turonski, P., author
Ni, A., author
Niccolai, S., author
Niculescu, G., author
Osipenko, M., author
Ostrovidov, A. I., author
Paolone, M., author
Paremuzyan, R., author
Park, K., author
Pasyuk, E., author
Phelps, W., author
Pisano, S., author
Pogorelko, O., author
Price, J. W., author
Prok, Y., author
Protopopescu, D., author
Puckett, A. J. R., author
Raue, B. A., author
Ripani, M., author
Rizzo, A., author
Rosner, G., author
Rossi, P., author
Roy, P., author
Sabatie, F., author
Saini, M. S., author
Schumacher, R. A., author
Seder, E., author
Sharabian, Y. G., author
Skorodumina, Iu, author
Smith, G. D., author
Sokhan, D., author
Sparveris, N., author
Stankovic, I., author
Stepanyan, S., author
Stoler, P., author
Strakovsky, I. I., author
Strauch, S., author
Taiuti, M., author
Tian, Ye, author
Torayev, B., author
Ungaro, M., author
Voskanyan, H., author
Voutier, E., author
Walford, N. K., author
Watts, D. P., author
Wei, X., author
Weinstein, L. B., author
Zachariou, N., author
Zhang, J., author
Zhao, Z. W., author
Zonta, I., author
Type of Resource: text
Genre: Journal Article
Journal Article
Date Issued: 2017-03-20
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: Beam-target double-spin asymmetries and target single-spin asymmetries were measured for the exclusive pi(0) electroproduction reaction. gamma(*) p -> p pi(0), expanding an analysis of the. gamma(*) p -> n pi(+) reaction from the same experiment. The results were obtained from scattering of 6-GeV longitudinally polarized electrons off longitudinally polarized protons using the CEBAF Large Acceptance Spectrometer at Jefferson Laboratory. The kinematic ranges covered are 1.1 < W < 3 GeV and 1 < Q(2) < 6 GeV2. Results were obtained for about 5700 bins in W, Q(2), cos(theta(*)), and phi(*). The beam-target asymmetries were found to generally be greater than zero, with relatively modest phi(*) dependence. The target asymmetries exhibit very strong phi(*) dependence, with a change in sign occurring between results at low W and high W, in contrast to pi(+) electroproduction. Reasonable agreement is found with phenomenological fits to previous data for W < 1.6 GeV, but significant differences are seen at higherW. When combined with cross-sectional measurements, as well as pi(+) observables, the present results will provide powerful constraints on nucleon resonance amplitudes at moderate and large values of Q(2), for resonances with masses as high as 2.4 GeV.
Identifier: FSU_libsubv1_wos_000399238200005 (IID), 10.1103/PhysRevC.95.035207 (DOI)
Keywords: resonance
Publication Note: The publisher's version of record is available at
Persistent Link to This Record:
Owner Institution: FSU
Is Part Of: Physical Review C.
Issue: iss. 3, vol. 95

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Bosted, P. E., Kim, A., Adhikari, K. P., Adikaram, D., Akbar, Z., Amaryan, M. J., … Zonta, I. (2017). Target And Beam-target Spin Asymmetries In Exclusive Pion Electroproduction For Q(2) > 1 Gev2. Ii. Ep -> E Pi(0) P. Physical Review C. Retrieved from