Journalartikel

Evidence for a transverse single-spin asymmetry in leptoproduction of π+π- pairs


AutorenlisteAirapetian, A.; Akopov, N.; Akopov, Z.; Andrus, A.; Aschenauer, E. C.; Augustyniak, W.; Avakian, R.; Avetissian, A.; Avetissian, E.; Bacchetta, A.; Barion, L.; Belostotski, S.; Bianchi, N.; Blok, H. P.; Boettcher, H.; Bonomo, C.; Borissov, A.; Borysenko, A.; Bruell, A.; Bryzgalov, V.; Capiluppi, M.; Capitani, G. P.; Cisbani, E.; Ciullo, G.; Contalbrigo, M.; Dalpiaz, P. F.; Deconinck, W.; De Leo, R.; Demey, M.; De Nardo, L.; De Sanctis, E.; Devitsin, E.; Diefenthaler, M.; Di Nezza, P.; Dreschler, J.; Dueren, M.; Ehrenfried, M.; Elalaoui-Moulay, A.; Elbakian, G.; Ellinghaus, F.; Elschenbroich, U.; Fabbri, R.; Fantoni, A.; Felawka, L.; Frullani, S.; Funel, A.; Gapienko, G.; Gapienko, V.; Garibaldi, F.; Gavrilov, G.; Gharibyan, V.; Giordano, F.; Grebeniouk, O.; Gregor, I. M.; Griffioen, K.; Guler, H.; Hadjidakis, C.; Hartig, M.; Hasch, D.; Hasegawa, T.; Hesselink, W. H. A.; Hill, G.; Hillenbrand, A.; Hoek, M.; Holler, Y.; Hommez, B.; Hristova, I.; Iarygin, G.; Imazu, Y.; Ivanilov, A.; Izotov, A.; Jackson, H. E.; Jgoun, A.; Kaiser, R.; Keri, T.; Kinney, E.; Kisselev, A.; Kobayashi, T.; Kopytin, M.; Korotkov, V.; Kozlov, V.; Krauss, B.; Kravchenko, P.; Krivokhijine, V. G.; Lagamba, L.; Lapikas, L.; Lenisa, P.; Liebing, P.; Linden-Levy, L. A.; Lorenzon, W.; Lu, S.; Lu, X.; Ma, B. -Q.; Maiheu, B.; Makins, N. C. R.; Mao, Y.; Marianski, B.; Marukyan, H.; Mexner, V.; Miller, C. A.; Miyachi, Y.; Muccifora, V.; Murray, M.; Nagaitsev, A.; Nappi, E.; Naryshkin, Y.; Negodaev, M.; Nowak, W. -D.; Osborne, A.; Pappalardo, L. L.; Perez-Benito, R.; Pickert, N.; Raithel, M.; Reggiani, D.; Reimer, P. E.; Reischl, A.; Reolon, A. R.; Riedl, C.; Rith, K.; Rock, S. E.; Rosner, G.; Rostomyan, A.; Rubacek, L.; Rubin, J.; Ryckbosch, D.; Salomatin, Y.; Sanjiev, I.; Schaefer, A.; Schnell, G.; Schueler, K. P.; Seitz, B.; Shearer, C.; Shibata, T. -A.; Shutov, V.; Stancari, M.; Statera, M.; Steffens, E.; Steijger, J. J. M.; Stenzel, H.; Stewart, J.; Stinzing, F.; Streit, J.; Tait, P.; Taroian, S.; Tchuiko, B.; Terkulov, A.; Trzcinski, A.; Tytgat, M.; Vandenbroucke, A.; van der Nat, B.; van der Steenhoven, G.; van Haarlem, Y.; van Hulse, C.; Veretennikov, D.; Vikhrov, V.; Vogel, C.; Wang, S.; Ye, Y.; Ye, Z.; Yen, S.; Zeiler, D.; Zihlmann, B.; Zupranski, P.

Jahr der Veröffentlichung2008

ZeitschriftJournal of High Energy Physics

Heftnummer6

ISSN1029-8479

Open Access StatusGreen

DOI Linkhttps://doi.org/10.1088/1126-6708/2008/06/017

VerlagSpringer


Abstract
A single-spin asymmetry was measured in the azimuthal distribution of pi(+)pi(-) pairs produced in semi-inclusive deep-inelastic scattering on a transversely polarized hydrogen target. For the first time, evidence is found for a correlation between the transverse target polarization and the azimuthal orientation of the plane containing the two pions. The corresponding single-spin asymmetry is expected to be related to the product of the little-known quark transversity distribution function and an unknown naive-T-odd chiral-odd dihadron fragmentation function.



Zitierstile

Harvard-ZitierstilAirapetian, A., Akopov, N., Akopov, Z., Andrus, A., Aschenauer, E., Augustyniak, W., et al. (2008) Evidence for a transverse single-spin asymmetry in leptoproduction of π+π- pairs, Journal of High Energy Physics(6), Article 017. https://doi.org/10.1088/1126-6708/2008/06/017

APA-ZitierstilAirapetian, A., Akopov, N., Akopov, Z., Andrus, A., Aschenauer, E., Augustyniak, W., Avakian, R., Avetissian, A., Avetissian, E., Bacchetta, A., Barion, L., Belostotski, S., Bianchi, N., Blok, H., Boettcher, H., Bonomo, C., Borissov, A., Borysenko, A., Bruell, A., ...Zupranski, P. (2008). Evidence for a transverse single-spin asymmetry in leptoproduction of π+π- pairs. Journal of High Energy Physics(6), Article 017. https://doi.org/10.1088/1126-6708/2008/06/017



Schlagwörter


CROSS-SECTIONSDENSITY-MATRIXe(+)e(-) annihilationFRAGMENTATION FUNCTIONSJET HANDEDNESSlepton-nucleon scatteringMU-P INTERACTIONSPARTON DISTRIBUTIONSPOLARIZED PROTONSZ(0) DECAYS


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