Mulders, P. J. and Buffing, M. G. A. and Mukherjee, A. (2013) Universality of TMD distribution functions of definite rank. Il nuovo cimento C, 36 (5). pp. 83-88. ISSN 1826-9885
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Abstract
Transverse momentum dependent (TMD) distribution and fragmentation functions are described as Fourier transforms of matrix elements containing nonlocal combinations of quark and gluon fields. These matrix elements also contain a gauge link operator with a process dependent path, of which the process dependence that can be traced back to the color flow in the process. Expanding into irreducible tensors built from the transverse momenta pT , we can define a universal set of TMD correlators of definite rank with a well-defined operator structure.
| Item Type: | Article |
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| Uncontrolled Keywords: | General properties of QCD (dynamics, confinement, etc.) ; Quantum chromodynamics ; Polarization in interactions and scattering |
| Subjects: | 500 Scienze naturali e Matematica > 530 Fisica |
| Depositing User: | Marina Spanti |
| Date Deposited: | 06 May 2020 16:19 |
| Last Modified: | 06 May 2020 16:19 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/18324 |
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