4 papers · 1 filter
Measurement of the hard exclusive muoproduction cross section at COMPASS
G. D. Alexeev, M. G. Alexeev, C. Alice +169
A new and detailed measurement of the cross section for hard exclusive neutral-pion muoproduction on the proton was performed in a wide kinematic region, with the photon virtuality…
Multiplicities of positive and negative pions, kaons and unidentified hadrons from deep-inelastic scattering of muons off a liquid hydrogen target
G. D. Alexeev, M. G. Alexeev, C. Alice +166
The multiplicities of positive and negative pions, kaons and unidentified hadrons produced in deep-inelastic scattering are measured in bins of the Bjorken scaling variable , th…
Constraining kaon PDFs from Drell-Yan and production
Wen-Chen Chang, Jen-Chieh Peng, Stephane Platchkov +1
The kaon parton distribution functions (PDFs) are poorly known due to paucity of kaon-induced Drell-Yan data. Nevertheless, these Drell-Yan data suggest a softer valence quark…
Aging effects in the COMPASS hybrid GEM-Micromegas pixelized detectors
Damien Neyret, Philippe Abbon, Marc Anfreville +10
Large-size hybrid and pixelized GEM-Micromegas gaseous detectors (40x40 cm active area) were developed and installed in 2014 and 2015 for the COMPASS2 physics program which sta…