Journalartikel

Longitudinal spin transfer to the Λ hyperon in semiinclusive deep-inelastic scattering


AutorenlisteAirapetian, A.; Akopov, N.; Akopov, Z.; Amarian, M.; Andrus, A.; Aschenauer, E. C.; Augustyniak, W.; Avakian, R.; Avetissian, A.; Avetissian, E.; Bailey, P.; Balin, D.; Beckmann, M.; Belostotski, S.; Bianchi, N.; Blok, H. P.; Boettcher, H.; Borissov, A.; Borysenko, A.; Bouwhuis, M.; Bruell, A.; Bryzgalov, V.; Capiluppi, M.; Capitani, G. P.; Chen, T.; Chen, X.; Chiang, H. C.; 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.; Garrow, K.; Gavrilov, G.; Gharibyan, V.; Grebeniouk, O.; Gregor, I. M.; Hadjidakis, C.; Hafidi, K.; Hartig, M.; Hasch, D.; Hesselink, W. H. A.; Hillenbrand, A.; Hoek, M.; Holler, Y.; Hommez, B.; Hristova, I.; Iarygin, G.; 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.; Laziev, A.; Lenisa, P.; Liebing, P.; Linden-Levy, L. A.; Lorenzon, W.; Lu, H.; Lu, J.; Lu, S.; Lu, X.; Ma, B. -Q.; Maiheu, B.; Makins, N. C. R.; Manaenkov, S. I.; Mao, Y.; Marianski, B.; Marukyan, H.; Masoli, F.; Mexner, V.; Meyners, N.; Michler, T.; Mikloukho, O.; Miller, C. A.; Miyachi, Y.; Muccifora, V.; Murray, M.; Nagaitsev, A.; Nappi, E.; Naryshkin, Y.; Negodaev, M.; Nowak, W. -D.; Oganessyan, K.; Ohsuga, H.; Osborne, A.; Pickert, N.; Potterveld, D. H.; Raithel, M.; Reggiani, D.; Reimer, P. E.; Reischl, A.; Reolon, A. R.; Riedl, C.; Rith, K.; Rosner, G.; Rostomyan, A.; Rubacek, L.; Rubin, J.; Ryckbosch, D.; Salomatin, Y.; Sanjiev, I.; Savin, I.; Schaefer, A.; Schnell, G.; Schueler, K. P.; Seele, J.; Seidl, R.; Seitz, B.; Shearer, C.; Shibata, T. -A.; Shutov, V.; Sinram, K.; Sommer, W.; Stancari, M.; Statera, M.; Steffens, E.; Steijger, J. J. M.; Stenzel, H.; Stewart, J.; Stinzing, F.; Tait, P.; Tanaka, H.; Taroian, S.; Tchuiko, B.; Terkulov, A.; Trzcinski, A.; Tytgat, M.; Vandenbroucke, A.; van der Nat, P. B.; van der Steenhoven, G.; van Haarlem, Y.; Vikhrov, V.; Vincter, M. G.; Vogel, C.; Volmer, J.; Wang, S.; Wendland, J.; Ye, Y.; Ye, Z.; Yen, S.; Zihlmann, B.; Zupranski, P.

Jahr der Veröffentlichung2006

ZeitschriftPhysical Review D

Bandnummer74

Heftnummer7

ISSN1550-7998

eISSN1550-2368

DOI Linkhttps://doi.org/10.1103/PhysRevD.74.072004

VerlagAmerican Physical Society


Abstract
The transfer of polarization from a high-energy positron to a Lambda(0) hyperon produced in semiinclusive deep-inelastic scattering has been measured. The data have been obtained by the HERMES experiment at DESY using the 27.6 GeV longitudinally polarized positron beam of the HERA collider and unpolarized gas targets internal to the positron (electron) storage ring. The longitudinal spin-transfer coefficient is found to be D-LL'(Lambda)=0.11 +/- 0.10(stat)+/- 0.03(syst) at an average fractional energy carried by the Lambda(0) hyperon < z >=0.45. The dependence of D-LL('Lambda) on both the fractional energy z and the fractional longitudinal momentum x(F) is presented.


Zitierstile

Harvard-ZitierstilAirapetian, A., Akopov, N., Akopov, Z., Amarian, M., Andrus, A., Aschenauer, E., et al. (2006) Longitudinal spin transfer to the Λ hyperon in semiinclusive deep-inelastic scattering, PHYSICAL REVIEW D, 74(7), Article 072004. https://doi.org/10.1103/PhysRevD.74.072004

APA-ZitierstilAirapetian, A., Akopov, N., Akopov, Z., Amarian, M., Andrus, A., Aschenauer, E., Augustyniak, W., Avakian, R., Avetissian, A., Avetissian, E., Bailey, P., Balin, D., Beckmann, M., Belostotski, S., Bianchi, N., Blok, H., Boettcher, H., Borissov, A., Borysenko, A., ...Zupranski, P. (2006). Longitudinal spin transfer to the Λ hyperon in semiinclusive deep-inelastic scattering. PHYSICAL REVIEW D. 74(7), Article 072004. https://doi.org/10.1103/PhysRevD.74.072004



Schlagwörter


HERA(LAMBDA)OVER-BAR POLARIZATIONPOLARIMETER


Nachhaltigkeitsbezüge


Zuletzt aktualisiert 2025-02-04 um 03:49