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Nucleon Transverse Structure at COMPASS
Nour Makke
COMPASS is a fixed target experiment at CERN. Part of its physics programme is dedicated to study the transverse spin and the transverse momentum structure of the nucleon using SID…
Transverse Momentum Effects in Unpolarised SIDIS at COMPASS
Nour Makke
Unpolarised semi-inclusive DIS is receiving a growing interest as a powerful tool to access poorly known universal functions that play a key role in many processes, in particular i…
The COMPASS Setup for Physics with Hadron Beams
Ph. Abbon, C. Adolph, R. Akhunzyanov +228
The main characteristics of the COMPASS experimental setup for physics with hadron beams are described. This setup was designed to perform exclusive measurements of processes with…
Collins and Sivers asymmetries in muonproduction of pions and kaons off transversely polarised proton
C. Adolph, R. Akhunzyanov, M. G. Alexeev +205
Measurements of the Collins and Sivers asymmetries for charged pions and charged and neutral kaons produced in semi-inclusive deep-inelastic scattering of high energy muons off tra…
Odd and Even Partial Waves of and in at
C. Adolph, R. Akhunzyanov, M. G. Alexeev +205
Exclusive production of and has been studied with a beam impinging on a hydrogen target at COMPASS (CERN). Partial-wave analyses reveal d…
Search for exclusive photoproduction of Z(3900) at COMPASS
C. Adolph, R. Akhunzyanov, M. G. Alexeev +205
A search for the exclusive production of the hadron by virtual photons has been performed in the channel . The data cover t…
Spin alignment and violation of the OZI rule in exclusive and production in pp collisions
C. Adolph, R. Akhunzyanov, M. G. Alexeev +206
Exclusive production of the isoscalar vector mesons and is measured with a 190 GeV proton beam impinging on a liquid hydrogen target. Cross section ratios are determine…
Measurement of the charged-pion polarisability
C. Adolph, R. Akhunzyanov, M. G. Alexeev +210
The COMPASS collaboration at CERN has investigated pion Compton scattering, , at centre-of-mass energy below 3.5 pion masses. The process is embedded in the r…
Measurement of radiative widths of and
C. Adolph, R. Akhunzyanov, M. G. Alekseev +206
The COMPASS Collaboration at CERN has investigated the reaction embedded in the Primakoff reaction of pions scattering in the Coulom…
Review of COMPASS results on transverse-spin effects in SIDIS
Nour Makke
The transversity parton distribution remains a poorly known cornerstone in the nucleon spin structure. While the Collins effect in spin asymmetries in Semi-Inclusive DIS (SIDIS) is…
A high-statistics measurement of transverse spin effects in dihadron production from muon-proton semi-inclusive deep-inelastic scattering
C. Adolph, R. Akhunzyanov, M. G. Alekseev +217
A measurement of the azimuthal asymmetry in dihadron production in deep-inelastic scattering of muons on transversely polarised proton (NH) targets are presented. They provid…
Measurement of azimuthal hadron asymmetries in semi-inclusive deep inelastic scattering off unpolarised nucleons
C. Adolph, R. Akhunzyanov, M. G. Alekseev +217
Spin-averaged asymmetries in the azimuthal distributions of positive and negative hadrons produced in deep inelastic scattering were measured using the CERN SPS muon beam at …