Study of TMDs with polarized beam and/or targets
Journal Article
·
· Physics of Particles and Nuclei
- INFN-University of Ferrara, Ferrara (Italy)
A Fourier analysis of single- and double-spin azimuthal asymmetries measured at HERMES in semi-inclusive deep-inelastic scattering of unpolarized or longitudinally polarized leptons off tranversely polarized protons is presented for pions and charged kaons. The extracted amplitudes can be interpreted as convolutions of transverse momentum-dependent distribution and fragmentation functions. In particular, the measured double-spin asymmetries are sensitive to the poorly known worm-gear quark distribution g{sup ⊥}{sub 1T}.
- OSTI ID:
- 22981745
- Journal Information:
- Physics of Particles and Nuclei, Vol. 45, Issue 1; Other Information: Copyright (c) 2014 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7796
- Country of Publication:
- United States
- Language:
- English
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