14 papers
Transverse Lambda polarization at high energy colliders
Daniel Boer
Measurements of transverse polarization of Lambda hyperons produced in high energy pp collisions may help to address several open issues about Lambda production and polarization me…
Theoretical aspects of spin physics
Daniel Boer
A summary is given of how spin enters in collinearly factorizing processes. Next, theoretical aspects of polarization in processes beyond collinear factorization are discussed in m…
Transverse Lambda polarization in inclusive processes
M. Anselmino, D. Boer, U. D'Alesio +1
A formalism proposed to study transverse Lambda polarization in unpolarized hadronic processes, based on a generalized pQCD factorization theorem, is extended to semi-inclusive DIS…
Transverse Lambda polarization in semi-inclusive DIS
M. Anselmino, D. Boer, U. D'Alesio +1
Following a previous description of Lambda and Lambda-bar polarization in unpolarized p-p interactions, within a perturbative QCD factorization scheme with new polarizing fragmenta…
Single transverse-spin asymmetry in Drell-Yan lepton angular distribution
Daniel Boer, Jianwei Qiu
We calculate a single transverse-spin asymmetry for the Drell-Yan lepton-pair's angular distribution in perturbative QCD. At leading order in the strong coupling constant, the asym…
Transverse Lambda polarization in unpolarized semi-inclusive DIS
M. Anselmino, D. Boer, U. D'Alesio +1
The long-standing problem of transverse Lambda polarization in high-energy collisions of unpolarized hadrons can be tackled by considering new, spin and k_T-dependent quark fragmen…