Transverse momentum broadening of hadrons produced in semi-inclusive deep-inelastic scattering on nuclei

Airapetian, A. et al. (2010) Transverse momentum broadening of hadrons produced in semi-inclusive deep-inelastic scattering on nuclei. Physics Letters B, 684(2-3), pp. 114-118. (doi:10.1016/j.physletb.2010.01.020)

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Abstract

The first detailed measurement of the dependence on target nuclear mass of the average squared transverse momentum of π+, π−, and K+ mesons from deep-inelastic lepton scattering is obtained as a function of several kinematic variables. The data were accumulated at the Hermes experiment at Desy, in which the Hera 27.6 GeV lepton beam was scattered off several nuclear gas targets. The average squared transverse momentum was clearly observed to increase with atomic mass number. The effect increases as a function of Q2 and x and remains constant as a function of both the virtual photon energy ν and the fractional hadron energy z, except that it vanishes as z approaches unity.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Seitz, Dr Bjoern and Keri, Dr Tibor and Mahon, Mr David and Hill, Mr Gordon and Murray, Dr Morgan and Kaiser, Professor Ralf and Burns, Mr Jonathan and Lehmann, Dr Inti and Hoek, Mr Matthias and Rosner, Professor Guenther
Authors: Airapetian, A., Akopov, N., Akopov, Z., Aschenauer, E.C., Augustyniak, W., Avetissian, A., Avetisyan, E., Ball, B., Belostotski, S., Bianchi, N., Blok, H.P., Böttcher, H., Bonomo, C., Borissov, A., Bryzgalov, V., Burns, J., Capiluppi, M., Capitani, G.P., Cisbani, E., Ciullo, G., Contalbrigo, M., Dalpiaz, P.F., Deconinck, W., De Nardo, L., De Leo, R., Dreschler, J., De Sanctis, E., Diefenthaler, M., Di Nezza, P., Düren, M., Ehrenfried, M., Elbakian, G., Ellinghaus, F., Fabbri, R., Felawka, L., Fantoni, A., Frullani, S., Gabbert, D., Gapienko, V., Garibaldi, F., Gharibyan, V., Giordano, F., Gliske, S., Hadjidakis, C., Hartig, M., Hasch, D., Hill, G., Hillenbrand, A., Hoek, M., Holler, Y., Hristova, I., Imazu, Y., Ivanilov, A., Jackson, H.E., Jo, H.S., Jgoun, A., Joosten, S., Kaiser, R., Karyan, G., Keri, T., Kinney, E., Kisselev, A., Korotkov, V., Kozlov, V., Kravchenko, P., Lagamba, L., Lamb, R., Lapikás, L., Lehmann, I., Lenisa, P., Linden-Levy, L.A., López Ruiz, A., Lorenzon, W., Lu, X.-G., Lu, X.-R., Ma, B.-Q., Mahon, D., Makins, N.C.R., Manaenkov, S.I., Manfré, L., Mao, Y., Marianski, B., Martinez de la Ossa, A., Marukyan, H., Miller, C.A., Miyachi, Y., Movsisyan, A., Muccifora, V., Murray, M., Mussgiller, A., Nappi, E., Naryshkin, Y., Nass, A., Negodaev, M., Nowak, W.-D., Pappalardo, L.L., Perez-Benito, R., Pickert, N., Raithel, M., Reimer, P.E., Reolon, A.R., Riedl, C., Rith, K., Rosner, G., Rostomyan, A., Rubin, J., Ryckbosch, D., Salomatin, Y., Sanftl, F., Schäfer, A., Schnell, G., Schüler, K.P., Seitz, B., Shibata, T.A., Shutov, V., Stancari, M., Statera, M., Steffens, E., Steijger, J.J.M., Stenzel, H., Stewart, J., Stinzing, F., Taroian, S., Trzcinski, A., Tytgat, M., Vandenbroucke, A., van der Nat, P.B., Van Haarlem, Y., Van Hulse, C., Veretennikov, D., Vikhrov, V., Vilardi, I., Vogel, C., Wang, S., Yaschenko, S., Ye, H., Ye, Z., Yu, W., Zeiler, D., Zihlmann, B., and Zupranski, P.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physics Letters B
Publisher:Elsevier B.V.
ISSN:0370-2693
ISSN (Online):1873-2445

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