Beam-Helicity Asymmetries in Double-Charged-Pion Photoproduction on the Proton; Physical Review Letters; Vol. 95, iss. 16

Beam-Helicity Asymmetries in Double-Charged-Pion Photoproduction on the Proton; Physical Review Letters; Vol. 95, iss. 16

Dettagli Bibliografici
Parent link:	Physical Review Letters: Scientific Journal.— , 1958- Vol. 95, iss. 16.— 2005.— [162003, 5 p.]
Altri autori:	Strauch S., Berman B. L., Adams G., Ambrozewicz P., Anghinolf M., Asavapibhop B., Asryan G., Audit G., Avakian H., Bagdasaryan H., Baillie N., Ball J. P., Baltzell N. A., Barrow S., Batourine V., Battaglieri M., Beard K., Bedlinskiy I., Bektasoglu M., Bellis M., Benmouna N., Bennhold C., Biselli A. S., Boiarinov S., Bouchigny S., Bradford R., Branford D., Briscoe W. J., Brooks W. K., Bultmann S., Burkert V. D., Butuceanu C., Careccia S. L., Carman D. S., Carnahan B., Chen S., Cole P. L., Coleman A., Coltharp P., Cords D., Corvisiero P., Crabb D., Crannel H., Cummings J. P., Degtyarenko P. V., Denizl H., Dennis L., De Sanctis E., Deur A., DeVita R., Dharmawardane K. V., Dhuga K. S., Djalali C., Dodge G. E., Donnelly J., Doughty D., Dragovitsch P., Dugger M., Dytman S., Dzyubak O. P., Egiyan H., Egiyan K. S., Elouadrhiri L., Empl A., Eugenio P., Fatemi R., Fedotov G., Feldman G., Feuerbach R. G., Fiks (Fix) A. I. Alexander Ivanovich
Riassunto:	Title screen Beam-helicity asymmetries for the two-pion-photoproduction reaction уp-pn+n- have been studied for the first time in the resonance region for center-of-mass energies between 1.35 and 2.30 GeV. The experiment was performed at Jefferson Lab with the CEBAF Large Acceptance Spectrometer using circularly polarized tagged photons incident on an unpolarized hydrogen target. Beam-helicity-dependent angular distributions of the final-state particles were measured. The large crosssection asymmetries exhibit strong sensitivity to the kinematics and dynamics of the reaction. The data are compared with the results of various phenomenological model calculations, and show that these models currently do not provide an adequate description for the behavior of this new observable. Режим доступа: по договору с организацией-держателем ресурса
Lingua:	inglese
Pubblicazione:	2005
Soggetti:	электронный ресурс труды учёных ТПУ
Accesso online:	http://dx.doi.org/10.1103/PhysRevLett.95.162003
Natura:	Elettronico Capitolo di libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=651810

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