A Fourier analysis of single and doublespin azimuthal asymmetries measured at HERMES in semiinclusive deepinelastic 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 momentumdependent distribution and fragmentation functions. In partic ular, the measured doublespin asymmetries are sensitive to the poorly known wormgear quark distribu tion g1T
Study of TMDs with polarized beam and/or targets
PAPPALARDO, Luciano Libero
2014
Abstract
A Fourier analysis of single and doublespin azimuthal asymmetries measured at HERMES in semiinclusive deepinelastic 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 momentumdependent distribution and fragmentation functions. In partic ular, the measured doublespin asymmetries are sensitive to the poorly known wormgear quark distribu tion g1TFile in questo prodotto:
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