arXiv subjects

Rebecca Lamb

Publications and source records attributed to Rebecca Lamb.

2 recordsLinked to original sources

arXiv2010

Flavor-dependent azimuthal modulations in unpolarized SIDIS cross section at HERMES

The $\cosϕ_h$ and $\cos2ϕ_h$ azimuthal modulations of the unpolarized hadron Semi-Inclusive Deep Inelastic Scattering cross section are sensitive to the quark intrinsic transverse momentum and transverse spin. These modulations have been measured at HERMES in a fully differential way by means of a 4-dimensional unfolding procedure to correct for instrumental effects. Results have been extracted for hydrogen and deuterium targets and separately for positively and negatively charged pions and kaons, to access flavor-dependent information about the nucleon internal transverse degrees of freedom.

hep-ex↗

arXiv2009

Measurement of azimuthal asymmetries of the unpolarized cross section at HERMES

A multi-dimensional (x, y, z, P_{h\perp}) extraction of cosϕ_h and cos2ϕ_h azimuthal asymmetries of unpolarized Semi-Inclusive Deep Inelastic Scattering at HERMES is discussed. The use of data taken with hydrogen and deuterium targets and the separation of positive and negative hadrons allow to access flavor-dependent information about quark intrinsic transverse momenta and spin-orbit correlations. This flavor sensitivity allows for a discrimination between theoretical models in the HERMES kinematic regime.

hep-ex↗