Cascade production in the reactions γp→K+K+(X) and γp→K+K+π−(X)

Guo, L. et al. (2007) Cascade production in the reactions γp→K+K+(X) and γp→K+K+π−(X). Physical Review C, 76(2), 025208. (doi:10.1103/PhysRevC.76.025208)

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Abstract

Photoproduction of the cascade resonances has been investigated in the reactions γp→K+K+(X) and γp→K+K+π−(X). The mass splitting of the ground state (Ξ−,Ξ0) doublet is measured to be 5.4±1.8 MeV/c2, consistent with existing measurements. The differential (total) cross sections for the Ξ− have been determined for photon beam energies from 2.75 to 3.85 (4.75) GeV and are consistent with a production mechanism of Y∗→K+Ξ− through a t-channel process. The reaction γp→K+K+π−[Ξ0] has also been investigated to search of excited cascade resonances. No significant signal of excited cascade states other than the Ξ−(1530) is observed. The cross-section results of the Ξ−(1530) have also been obtained for photon beam energies from 3.35 to 4.75 GeV.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Sokhan, Dr Daria and McKinnon, Dr Bryan and Livingston, Dr Kenneth and Watts, Dr Daniel and Protopopescu, Dr Dan and Ireland, Professor David and Kellie, Dr James and Rosner, Professor Guenther
Authors: Guo, L., Weygand, D., Battaglieri, M., De Vita, R., Kubarovsky, V., Stoler, P., Amaryan, M., Ambrozewicz, P., Anghinolfi, M., Asryan, G., Avakian, H., Bagdasaryan, H., Baillie, N., Ball, J., Baltzell, N., Batourine, V., Bedlinskiy, I., Bellis, M., Benmouna, N., Berman, B., Biselli, A., Blaszczyk, L., Bouchigny, S., Boiarinov, S., Bradford, R., Branford, D., Briscoe, W., Brooks, W., Bultmann, S., Burkert, V., Butuceanu, C., Calarco, J., Careccia, S., Carman, D., Chen, S., Cole, P., Collins, P., Coltharp, P., Crabb, D., Crannell, H., Crede, V., Cummings, J., Dashyan, N., De Masi, R., De Sanctis, E., Degtyarenko, P., Deur, A., Dharmawardane, K., Dickson, R., Djalali, C., Dodge, G., Donnelly, J., Doughty, D., Dugger, M., Dzyubak, O., Egiyan, H., Egiyan, K., El Fassi, L., Elouadrhiri, L., Eugenio, P., Fedotov, G., Feldman, G., Funsten, H., Garcon, M., Gavalian, G., Gilfoyle, G., Giovanetti, K., Girod, F., Goetz, J., Gonenc, A., Gordon, C., Gothe, R., Griffioen, K., Guidal, M., Guler, N., Gyurjyan, V., Hadjidakis, C., Hafidi, K., Hakobyan, H., Hakobyan, R., Hanretty, C., Hardie, J., Hersman, F., Hicks, K., Hleiqawi, I., Holtrop, M., Hyde-Wright, C., Ilieva, Y., Ireland, D., Ishkhanov, B., Isupov, E., Ito, M., Jenkins, D., Johnstone, R., Jo, H., Joo, K., Juengst, H., Kalantarians, N., Kellie, J., Khandaker, M., Kim, W., Klein, A., Klein, F., Klimenko, A., Kossov, M., Krahn, Z., Kramer, L., Kuhn, J., Kuhn, S., Kuleshov, S., Lachniet, J., Laget, J., Langheinrich, J., Lawrence, D., Lee, T., Li, J., Livingston, K., Lu, H., MacCormick, M., Markov, N., Mattione, P., McKinnon, B., Mecking, B., Melone, J., Mestayer, M., Meyer, C., Mibe, T., Mikhailov, K., Minehart, R., Mirazita, M., Miskimen, R., Mokeev, V., Moriya, K., Morrow, S., Moteabbed, M., Munevar, E., Mutchler, G., Nadel-Turonski, P., Nasseripour, R., Niccolai, S., Niculescu, G., Niculescu, I., Niczyporuk, B., Niroula, M., Niyazov, R., Nozar, M., Osipenko, M., Ostrovidov, A., Park, K., Pasyuk, E., Paterson, C., Pereira, S., Pierce, J., Pivnyuk, N., Pocanic, D., Pogorelko, O., Pozdniakov, S., Price, J., Prok, Y., Protopopescu, D., Raue, B., Riccardi, G., Ricco, G., Ripani, M., Ritchie, B., Ronchetti, F., Rosner, G., Rossi, P., Sabatie, F., Salamanca, J., Salgado, C., Santoro, J., Sapunenko, V., Schumacher, R., Serov, V., Sharabian, Y., Sharov, D., Shvedunov, N., Smith, E., Smith, L., Sober, D., Sokhan, D., Stavinsky, A., Stepanyan, S., Stepanyan, S., Stokes, B., Strakovsky, I., Strauch, S., Taiuti, M., Tedeschi, D., Thoma, U., Tkabladze, A., Tkachenko, S., Todor, L., Tur, C., Ungaro, M., Vineyard, M., Vlassov, A., Watts, D., Weinstein, L., Williams, M., Wolin, E., Wood, M., Yegneswaran, A., Zana, L., Zhang, J., Zhao, B., and Zhao, Z.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review C
Publisher:American Physical Society
ISSN:0556-2813
ISSN (Online):1089-490X
Published Online:14 August 2007

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