Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP10(2021)078
Keywords
QCD Phenomenology
Categories
Funding
- European Union [824093]
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This study presents the complete leading-order results for the azimuthal dependences and polarization observables in e(+)e(-)-> h(1)h(2) + X processes within a TMD factorization scheme, considering spinless and spin-1/2 hadron production and discussing single- and double-polarization cases in detail using the helicity formalism. Simplified expressions for phenomenological analyses are obtained by assuming Gaussian-like dependence for the TMD-FFs on intrinsic transverse momenta.
We present the complete leading-order results for the azimuthal dependences and polarization observables in e(+)e(-)-> h(1)h(2) + X processes, where the two hadrons are produced almost back-to-back, within a transverse momentum dependent (TMD) factorization scheme. We consider spinless (or unpolarized) and spin-1/2 hadron production and give the full set of the corresponding quark and gluon TMD fragmentation functions (TMD-FFs). By adopting the helicity formalism, which allows for a more direct probabilistic interpretation, single- and double-polarization cases are discussed in detail. Simplified expressions, useful for phenomenological analyses, are obtained by assuming a factorized Gaussian-like dependence on intrinsic transverse momenta for the TMD-FFs.
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