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Measurement Of The Beam Asymmetry Sigma For Pi(0) And Eta Photoproduction On The Proton At E-gamma=9 Gev

Title: Measurement Of The Beam Asymmetry Sigma For Pi(0) And Eta Photoproduction On The Proton At E-gamma=9 Gev.
Name(s): Al Ghoul, H., author
Anassontzis, E. G., author
Austregesilo, A., author
Barbosa, F., author
Barnes, A., author
Beattie, T. D., author
Bennett, D. W., author
Berdnikov, V. V., author
Black, T., author
Boeglin, W., author
Briscoe, W. J., author
Brooks, W. K., author
Cannon, B. E., author
Chernyshov, O., author
Chudakov, E., author
Crede, V., author
Dalton, M. M., author
Deur, A., author
Dobbs, S., author
Dolgolenko, A., author
Dugger, M., author
Dzhygadlo, R., author
Egiyan, H., author
Eugenio, P., author
Fanelli, C., author
Foda, A. M., author
Frye, J., author
Furletov, S., author
Gan, L., author
Gasparian, A., author
Gerasimov, A., author
Gevorgyan, N., author
Goetzen, K., author
Goryachev, V. S., author
Guo, L., author
Hakobyan, H., author
Hardin, J., author
Henderson, A., author
Huber, G. M., author
Ireland, D. G., author
Ito, M. M., author
Jarvis, N. S., author
Jones, R. T., author
Kakoyan, V., author
Kamel, M., author
Klein, F. J., author
Kliemt, R., author
Kourkoumeli, C., author
Kuleshov, S., author
Kuznetsov, I., author
Lara, M., author
Larin, I., author
Lawrence, D., author
Levine, W. I., author
Livingston, K., author
Lolos, G. J., author
Lyubovitskij, V., author
Mack, D., author
Mattione, P. T., author
Matveev, V., author
McCaughan, M., author
McCracken, M., author
McGinley, W., author
McIntyre, J., author
Mendez, R., author
Meyer, C. A., author
Miskimen, R., author
Mitchell, R. E., author
Mokaya, F., author
Moriya, K., author
Nerling, F., author
Nigmatkulov, G., author
Ochoa, N., author
Ostrovidov, A. I., author
Papandreou, Z., author
Patsyuk, M., author
Pedroni, R., author
Pennington, M. R., author
Pentchev, L., author
Peters, K. J., author
Pooser, E., author
Pratt, B., author
Qiang, Y., author
Reinhold, J., author
Ritchie, B. G., author
Robison, L., author
Romanov, D., author
Salgado, C., author
Schumacher, R. A., author
Schwarz, C., author
Schwiening, J., author
Semenov, A. Yu, author
Semenova, I. A., author
Seth, K. K., author
Shepherd, M. R., author
Smith, E. S., author
Sober, D. I., author
Somov, A., author
Somov, S., author
Soto, O., author
Sparks, N., author
Staib, M. J., author
Stevens, J. R., author
Strakovsky, I. I., author
Subedi, A., author
Tarasov, V., author
Taylor, S., author
Teymurazyan, A., author
Tolstukhin, I., author
Tomaradze, A., author
Toro, A., author
Tsaris, A., author
Vasileiadis, G., author
Vega, I., author
Walford, N. K., author
Werthmuller, D., author
Whitlatch, T., author
Williams, M., author
Wolin, E., author
Xiao, T., author
Zarling, J., author
Zhang, Z., author
Zihlmann, B., author
Mathieu, V., author
Nys, J., author
Type of Resource: text
Genre: Journal Article
Journal Article
Date Issued: 2017-04-24
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: We report measurements of the photon beam asymmetry Sigma for the reactions (gamma) over right arrowp -> p pi(0) and gamma p -> p eta from the GLUEX experiment using a 9 GeV linearly polarized, tagged photon beam incident on a liquid hydrogen target in Jefferson Lab's Hall D. The asymmetries, measured as a function of the proton momentum transfer, possess greater precision than previous pi(0) measurements and are the first. measurements in this energy regime. The results are compared with theoretical predictions based on t-channel, quasiparticle exchange and constrain the axial-vector component of the neutral meson production mechanism in these models.
Identifier: FSU_libsubv1_wos_000400140500002 (IID), 10.1103/PhysRevC.95.042201 (DOI)
Keywords: calorimeter, hydrogen, energy, gluex
Publication Note: The publisher's version of record is available at
Persistent Link to This Record:
Host Institution: FSU
Is Part Of: Physical Review C.
Issue: iss. 4, vol. 95

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Al Ghoul, H., Anassontzis, E. G., Austregesilo, A., Barbosa, F., Barnes, A., Beattie, T. D., … Nys, J. (2017). Measurement Of The Beam Asymmetry Sigma For Pi(0) And Eta Photoproduction On The Proton At E-gamma=9 Gev. Physical Review C. Retrieved from