A new measurement of the Collins and Sivers asymmetries on a transversely polarised deuteron target
نویسندگان
چکیده
منابع مشابه
HERMES Measurements of Collins and Sivers Asymmetries from a transversely polarised Hydrogen Target
Azimuthal single-spin asymmetries (SSA) in semi-inclusive electroproduction of πmesons and charged K-mesons in deep-inelastic scattering of positrons and electrons on a transversely polarised hydrogen target were observed. Significant SSA amplitudes for both the Collins and the Sivers mechanism are presented for the full data set recorded with transverse target polarisation at the HERMES experi...
متن کاملCOMPASS Results on Collins and Sivers Asymmetries
In the list of the main items studied by the CERN COMPASS experiment there are the transverse spin and momentum effects visible in the azimuthal distributions of hadrons produced in the deep inelastic scattering. In the years 2002-2004 COMPASS has collected data with a LiD target with the polarization oriented transversely with respect to the muon beam direction for about 20% of the running tim...
متن کاملAzimuthal single-spin asymmetries in semi-inclusive deep-inelastic scattering on a transversely polarised hydrogen target
Azimuthal single-spin asymmetries (SSA) in semi-inclusive electroproduction of charged pions and kaons in deep-inelastic scattering of positrons on a transversely polarised hydrogen target were observed. SSA amplitudes for both the Collins and the Sivers mechanism are presented.
متن کاملSingle Spin Asymmetries on a Transversely Polarised Proton Target at Compass
COMPASS is a running fixed-target experiment at the CERN SPS with a rich physics program focused on nucleon spin structure and on hadron spectroscopy. One of the main goals of the spin program is the measurement of the transverse spin effects in semi-inclusive DIS off transversely polarised nucleons. In the years 2002, 2003 and 2004 data have been taken using a 160 GeV /c naturally polarised µ ...
متن کاملFirst measurements of Collins and Sivers asymmetries at COMPASS
COMPASS is a fixed-target experiment on the SPS M2 beamline at CERN. Its 6 LiD target can be polarised both longitudinally and transversally with respect to the longitudinally polarised 160GeV/c µ + beam. Approximately 20% of the beam-time in 2002, 2003 and 2004 was spent in the transverse configuration, allowing the first measurement of both the Collins and Sivers asymmetries on a deuterium ta...
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ژورنال
عنوان ژورنال: Nuclear Physics B
سال: 2007
ISSN: 0550-3213
DOI: 10.1016/j.nuclphysb.2006.10.027