首次对半单举深度非弹性散射中氘核的横向自旋不对称性进行测量。
First measurement of the transverse spin asymmetries of the deuteron in semi-inclusive deep inelastic scattering.
作者信息
Alexakhin V Yu, Alexandrov Yu, Alexeev G D, Amoroso A, Badełek B, Balestra F, Ball J, Baum G, Bedfer Y, Berglund P, Bernet C, Bertini R, Birsa R, Bisplinghoff J, Bradamante F, Bravar A, Bressan A, Burtin E, Bussa M P, Cerini L, Chapiro A, Cicuttin A, Colantoni M, Colavita A A, Costa S, Crespo M L, d'Hose N, Dalla Torre S, Dasgupta S S, De Masi R, Dedek N, Denisov O Yu, Dhara L, Diaz Kavka V, Dolgopolov A V, Donskov S V, Dorofeev V A, Doshita N, Duic V, Dünnweber W, Efremov A, Ehlers J, Eversheim P D, Eyrich W, Fabro M, Faessler M, Fauland P, Ferrero A, Ferrero L, Finger M, Finger M, Fischer H, Franz J, Friedrich J M, Frolov V, Fuchs U, Garfagnini R, Gautheron F, Gavrichtchouk O P, Gerassimov S, Geyer R, Giorgi M, Gobbo B, Goertz S, Grajek O A, Grasso A, Grube B, Grünemaier A, Gustafsson K, Hannappel J, von Harrach D, Hasegawa T, Hedicke S, Heinsius F H, Hinterberger F, von Hodenberg M, Horikawa N, Horikawa S, Ijaduola R B, Ilgner C, Ishimoto S, Iwata T, Jahn R, Janata A, Joosten R, Jouravlev N I, Kabuss E, Kalinnikov V, Kang D, Karstens F, Kastaun W, Ketzer B, Khaustov G V, Khokhlov Yu A, Kisselev Yu, Klein F, Koivuniemi J H, Kolosov V N, Komissarov E V, Kondo K, Königsmann K, Konoplyannikov A K, Konorov I, Konstantinov V F, Korentchenko A S, Korzenev A, Kotzinian A M, Koutchinski N A, Kowalik K, Kravchuk N P, Krivokhizhin G V, Kroumchtein Z V, Kuhn R, Kunne F, Kurek K, Lamanna M, Le Goff J M, Leberig M, Lichtenstadt J, Maggiora A, Maggiora M, Magnon A, Mallot G K, Manuilov I V, Marchand C, Marroncle J, Martin A, Marzec J, Matsuda T, Maximov A N, Medved K S, Meyer W, Mielech A, Mikhailov Yu V, Moinester M A, Nähle O, Nassalski J, Neyret D P, Nikolaenko V I, Nozdrin A A, Obraztsov V F, Olshevsky A G, Ostrick M, Padee A, Pagano P, Panebianco S, Panzieri D, Paul S, Pereira H D, Peshekhonov D V, Peshekhonov V D, Piragino G, Platchkov S, Platzer K, Pochodzalla J, Polyakov V A, Popov A A, Pretz J, Rebourgeard P C, Reicherz G, Reymann J, Rozhdestvensky A M, Rondio E, Sadovski A B, Saller E, Samoylenko V D, Sandacz A, Sans M, Sapozhnikov M G, Savin I A, Schiavon P, Schmidt T, Schmitt H, Schmitt L, Shishkin A A, Siebert H, Sinha L, Sissakian A N, Skachkova A, Slunecka M, Smirnov G I, Sugonyaev V P, Stinzing F, Sulej R, Takabayashi N, Tchalishev V V, Tessarotto F, Teufel A, Thers D, Tkatchev L G, Toeda T, Tretyak V I, Trousov S, Vlassov N V, Webb R, Weise E, Wiesmann M, Windmolders R, Wirth S, Wiślicki W, Zanetti A M, Zaremba K, Zhao J, Ziegler R, Zvyagin A
机构信息
Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.
出版信息
Phys Rev Lett. 2005 May 27;94(20):202002. doi: 10.1103/PhysRevLett.94.202002. Epub 2005 May 26.
First measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarized 6LiD target are presented. The data were taken in 2002 with the COMPASS spectrometer using the muon beam of the CERN SPS at 160 GeV/c. The Collins asymmetry turns out to be compatible with zero, as does the measured Sivers asymmetry within the present statistical errors.
本文给出了在μ子与横向极化的(^6LiD)靶的深度非弹性散射中产生的带电强子的柯林斯不对称性和西弗斯不对称性的首次测量结果。这些数据于2002年使用COMPASS谱仪，利用欧洲核子研究中心（CERN）超级质子同步加速器（SPS）能量为160 GeV/c的μ子束获取。柯林斯不对称性结果与零相符，在当前统计误差范围内，测得的西弗斯不对称性也是如此。
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