Transverse-spin and transverse-momentum effects in high-energy processes
نویسندگان
چکیده
منابع مشابه
Spin Effects in Large Transverse Momentum Exclusive Scattering Processes
Nucleon-nucleon scattering at large momentum transfer is analyzed within the framework of quantum chromodynamic quark and gluon interactions. The spin dependence of the hadronic amplitude is found to be particularly sensitive to the underlying dynamical mechanisms. Detailed discussions of the quark interchange and Landshoff pinch singularity contributions are given for large angle pp, np and pi...
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We investigate leading twist transverse momentum dependent origins of transverse spin asymmetries in hadron-hadron collisions. The chiral-odd T-odd distribution function with intrinsic transverse momentum dependence, which would signal an intrinsic handedness of quarks inside a hadron, could account for single spin asymmetries and at the same time for the large cos 2φ asymmetry in the unpolariz...
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Inclusive and semi-inclusive deep inelastic leptoproduction offers possibilities to study details of the quark and gluon structure of the hadrons involved. In many of these experiments polarization is an essential ingredient. We also emphasize the dependence on transverse momenta of the quarks, which leads to azimuthal asymmetries in the produced hadrons.
متن کاملSemi-inclusive Processes at Low and High Transverse Momentum
This talk reports on recent work where we studied the connection between the description of semi-inclusive DIS at high transverse momentum (based on collinear factorization) and low transverse momentum (based on transversemomentum-dependent factorization). We used power counting to determine the leading behavior of the structure functions at intermediate transverse momentum in the two descripti...
متن کاملTransverse Momentum Correlations in Production Processes*
A simple method to analyze two-particle correlations of transverse momenta in multiparticle final states is described. A clear physical interpretation of such correlations is presented, and a preliminary analysis of several reactions involving three and four body final states is reported. (Submitted to Phys . Rev.) * Work supported by the U. S. Atomic Energy Commission. Increasing machine energ...
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ژورنال
عنوان ژورنال: Progress in Particle and Nuclear Physics
سال: 2010
ISSN: 0146-6410
DOI: 10.1016/j.ppnp.2010.07.003