Zobrazeno 1 - 10
of 256
pro vyhledávání: '"Leader, Elliot"'
Autor:
Leader, Elliot
The covariant quantization of QED and QCD requires the introduction of subsidiary gauge-fixing and ghost fields and it is crucial to understand the role of these in the energy-momentum tensor, and in the momentum and angular momentum operators. These
Externí odkaz:
http://arxiv.org/abs/2108.07730
Publikováno v:
Phys. Rev. D 103, 054003 (2021)
The polarized strange quark puzzle concerns the fact that the polarized strange quark density extracted from polarized inclusive deep inelastic scattering data is significantly negative, whereas it is zero or slightly positive when extracted from a c
Externí odkaz:
http://arxiv.org/abs/2009.04808
At present, the Boer-Mulders (BM) functions are extracted from asymmetry data using the simplifying assumption of their proportionality to the Sivers functions for each quark flavour. Here we present two independent tests for this assumption. We subj
Externí odkaz:
http://arxiv.org/abs/1710.05657
Autor:
Leader, Elliot
The expression for the total angular momentum carried by a laser optical vortex beam, splits, in the paraxial approximation, into two terms which seem to represent orbital and spin angular momentum respectively. There are, however, two very different
Externí odkaz:
http://arxiv.org/abs/1710.03099
Publikováno v:
Phys. Rev. D 97, 056018 (2018)
At present, the Boer-Mulders (BM) function for a given quark flavour is extracted from data on semi-inclusive deep inelastic scattering (SIDIS) using the simplifying assumption that it is proportional to the Sivers function for that flavour. In a rec
Externí odkaz:
http://arxiv.org/abs/1705.10613
Autor:
Christova, Ekaterina, Leader, Elliot
Publikováno v:
Phys. Rev. D 94, 096001 (2016)
Miraculously, target mass corrections for inclusive deep inelastic scattering can be calculated exactly. On the contrary, there does not exist a consistent derivation of kinematic hadron mass corrections for semi-inclusive deep inelastic scattering (
Externí odkaz:
http://arxiv.org/abs/1609.05816
Autor:
Leader, Elliot
Povh and Walcher have written a paper entitled "The end of the nucleon-spin crisis" [arXiv:1603.05884]. But there is no such crisis. What appeared to be a spin crisis in the parton model, 28 years ago, was a consequence of a misinterpretation of the
Externí odkaz:
http://arxiv.org/abs/1604.00305
Autor:
Christova, Ekaterina, Leader, Elliot
A major experimental program is presently underway to determine the Sivers, Boer-Mulders and transversity distributions, vital for understanding the internal structure of the nucleon. To this end we consider the Sivers, Boer-Mulders and transversity
Externí odkaz:
http://arxiv.org/abs/1512.01404