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Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering

Publication ,  Journal Article
Adolph, C; Alekseev, MG; Alexakhin, VY; Alexandrov, Y; Alexeev, GD; Amoroso, A; Antonov, AA; Austregesilo, A; Badełek, B; Balestra, F; Barth, J ...
Published in: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
June 18, 2012

First measurements of azimuthal asymmetries in hadron-pair production in deep-inelastic scattering of muons on transversely polarised 6LiD (deuteron) and NH 3 (proton) targets are presented. The data were taken in the years 2002-2004 and 2007 with the COMPASS spectrometer using a muon beam of 160 GeV/c at the CERN SPS. The asymmetries provide access to the transversity distribution functions, without involving the Collins effect as in single hadron production. The sizeable asymmetries measured on the NH 3 target indicate non-vanishing u-quark transversity and two-hadron interference fragmentation functions. The small asymmetries measured on the 6LiD target can be interpreted as indication for a cancellation of u- and d-quark transversities. © 2012 Elsevier B.V.

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Published In

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

DOI

ISSN

0370-2693

Publication Date

June 18, 2012

Volume

713

Issue

1

Start / End Page

10 / 16

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics
 

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Adolph, C., Alekseev, M. G., Alexakhin, V. Y., Alexandrov, Y., Alexeev, G. D., Amoroso, A., … Königsmann, K. (2012). Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 713(1), 10–16. https://doi.org/10.1016/j.physletb.2012.05.015
Adolph, C., M. G. Alekseev, V. Y. Alexakhin, Y. Alexandrov, G. D. Alexeev, A. Amoroso, A. A. Antonov, et al. “Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 713, no. 1 (June 18, 2012): 10–16. https://doi.org/10.1016/j.physletb.2012.05.015.
Adolph C, Alekseev MG, Alexakhin VY, Alexandrov Y, Alexeev GD, Amoroso A, et al. Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2012 Jun 18;713(1):10–6.
Adolph, C., et al. “Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 713, no. 1, June 2012, pp. 10–16. Scopus, doi:10.1016/j.physletb.2012.05.015.
Adolph C, Alekseev MG, Alexakhin VY, Alexandrov Y, Alexeev GD, Amoroso A, Antonov AA, Austregesilo A, Badełek B, Balestra F, Barth J, Baum G, Bedfer Y, Bernhard J, Bertini R, Bettinelli M, Bicker K, Bieling J, Birsa R, Bisplinghoff J, Bordalo P, Bradamante F, Braun C, Bravar A, Bressan A, Burtin E, Chaberny D, Chiosso M, Chung SU, Cicuttin A, Crespo ML, Dalla Torre S, Das S, Dasgupta SS, Denisov OY, Dhara L, Donskov SV, Doshita N, Duic V, Dünnweber W, Dziewiecki M, Efremov A, Elia C, Eversheim PD, Eyrich W, Faessler M, Ferrero A, Filin A, Finger M, Finger J, Fischer H, Franco C, du Fresne von Hohenesche N, Friedrich JM, Garfagnini R, Gautheron F, Gavrichtchouk OP, Gazda R, Gerassimov S, Geyer R, Giorgi M, Gnesi I, Gobbo B, Goertz S, Grabmüller S, Grasso A, Grube B, Gushterski R, Guskov A, Guthörl T, Haas F, von Harrach D, Heinsius FH, Herrmann F, Heß C, Hinterberger F, Horikawa N, Höppner C, d’Hose N, Huber S, Ishimoto S, Ivanov O, Ivanshin Y, Iwata T, Jahn R, Jasinski P, Joosten R, Kabuß E, Kang D, Ketzer B, Khaustov GV, Khokhlov YA, Kisselev Y, Klein F, Klimaszewski K, Koblitz S, Koivuniemi JH, Kolosov VN, Kondo K, Königsmann K. Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2012 Jun 18;713(1):10–16.
Journal cover image

Published In

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

DOI

ISSN

0370-2693

Publication Date

June 18, 2012

Volume

713

Issue

1

Start / End Page

10 / 16

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics