منابع مشابه
Transverse polarization distributions
The transverse polarization (or transversity) distributions ∆T q(x), introduced 20 years ago by Ralston and Soper [1] and studied in more detail in the last decade [2], are one of the three sets of leading-twist quark and antiquark distribution functions – the other two are the momentum distributions q(x) and the helicity distributions ∆q(x). (Note that ∆T q is often called h1). Formally ∆T q i...
متن کاملTransverse Λ Polarization at LHC
Transverse polarization of Λ hyperons produced in p p and p Pb collisions is discussed. A factorized description in the intermediate to high pT region is considered that involves transverse momentum and spin dependence in the fragmentation process. Consequences and suggestions for investigations at LHC are pointed out for the process p+ p → Λ + jets +X at midrapidity and p+ p/Pb → Λ +X in the f...
متن کاملPolarization-assisted transverse and axial optical superresolution.
The superposition of two coaxial Gaussian beams with offset foci and orthogonal linear polarizations can be used to produce a right- or leftcircular polarization component with a focal spot of volume smaller than that of the Gaussian beam. This polarization-assisted axial and transverse superresolution effect is attributed to the differential Gouy phase shift within the focal region or to the n...
متن کاملTransverse lepton polarization in polarized W decays.
Calculations of transverse polarization of leptons in the decay W → lν with polarized W ’s are presented. Planned accelerators will produce enough W ’s for observation of the Standard Model contributions to this polarization. One loop corrections to the polarization are given; these are too small to be seen at presently available W sources. The exchange of Majorons will contribute to these pola...
متن کاملTransverse polarization distribution and fragmentation functions
We discuss transverse polarization distribution and fragmentation functions, in particular, T-odd functions with transverse momentum dependence, which might be relevant for the description of single transverse spin asymmetries. The role of intrinsic transverse momentum in the expansion in inverse powers of the hard scale is elaborated upon. The sin single spin asymmetry in the process e p! e′ +...
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ژورنال
عنوان ژورنال: Nuclear Physics A
سال: 2000
ISSN: 0375-9474
DOI: 10.1016/s0375-9474(00)00037-3