activity
19982026
most citedSingle-spin asymmetries in semi-inclusive deep-inelastic scattering on a transversely polarized hydrogen target

556 citations · 1.8k across the 17 of their papers we have counts for

collaborators

17 papers

hep-ex2026

First Observation of an Exotic Reggeon

G. D. Alexeev, M. G. Alexeev, C. Alice +180

We present new \compass high-statistics measurements of the peripheral production of and pairs in the reactions . For the first t…

hep-ex2025

Dihadron Transverse-Spin Asymmetries in Muon-Deuteron Deep-Inelastic Scattering

G. D. Alexeev, M. G. Alexeev, C. Alice +168

In 2022, the COMPASS collaboration performed semi-inclusive measurements of deep-inelastic muon-scattering on a transversely polarised deuteron (6LiD) target. From these data, tran…

hep-ex2025

Spectroscopy of Strange Mesons and First Observation of a Strange Crypto-Exotic State with

G. D. Alexeev, M. G. Alexeev, C. Alice +160

We measured the strange-meson spectrum in the scattering reaction with the COMPASS spectrometer at CERN. Using the world's largest sample of…

hep-ex2024

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…

hep-ex2023

High-statistics measurement of Collins and Sivers asymmetries for transversely polarised deuterons

G. D. Alexeev, M. G. Alexeev, C. Alice +183

New results are presented on a high-statistics measurement of Collins and Sivers asymmetries of charged hadrons produced in deep inelastic scattering of muons on a transversely pol…

hep-ex2022★ 9 cited

Collins and Sivers transverse-spin asymmetries in inclusive muoproduction of mesons

G. D. Alexeev, M. G. Alexeev, C. Alice +188

The production of vector mesons in deep inelastic scattering is an interesting yet scarsely explored channel to study the transverse spin structure of the nucleon and the related p…

hep-ex2022★ 2 cited

Double production in pion-nucleon scattering at COMPASS

G. D. Alexeev, M. G. Alexeev, A. Amoroso +191

We present the study of the production of double mesons using COMPASS data collected with a 190 GeV/ beam scattering off NH, Al and W targets. Kinematic distri…

hep-ex2017★ 122 cited

First measurement of transverse-spin-dependent azimuthal asymmetries in the Drell-Yan process

Aghasyan, R. Akhunzyanov, M. G. Alexeev +216

The first measurement of transverse-spin-dependent azimuthal asymmetries in the pion-induced Drell-Yan (DY) process is reported. We use the CERN SPS 190 GeV/, beam and a…

hep-ex2014★ 35 cited

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…

hep-ex2013★ 29 cited

Transverse target spin asymmetries in exclusive muoproduction

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +209

Exclusive production of mesons was studied at the COMPASS experiment by scattering 160 GeV/ muons off transversely polarised protons. Five single-spin and three double-spi…

hep-ex2012★ 151 cited

Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +215

The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV posit…

hep-ex2012★ 122 cited

Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Collins asymmetries

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +215

The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV posit…

hep-ex2009★ 81 cited

Flavour Separation of Helicity Distributions from Deep Inelastic Muon-Deuteron Scattering

COMPASS Collaboration, M. Alekseev

We present a LO evaluation of helicity densities of valence, Δu_v+Δd_v, non-strange sea, Δ\bar{u}+Δ\bar{d}, and strange quarks, Δs (assumed to be equal to Δ\bar{s}). They have been…

hep-ex2006★ 236 cited

A new measurement of the Collins and Sivers asymmetries on a transversely polarised deuteron target

Compass, :, E. S. Ageev

New high precision measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarised 6LiD target are…

hep-ex2004★ 556 cited

Single-spin asymmetries in semi-inclusive deep-inelastic scattering on a transversely polarized hydrogen target

The HERMES Collaboration

Single-spin asymmetries for semi-inclusive electroproduction of charged pions in deep-inelastic scattering of positrons are measured for the first time with transverse target polar…

hep-ex2004★ 263 cited

Quark helicity distributions in the nucleon for up, down, and strange quarks from semi--inclusive deep--inelastic scattering

HERMES Collaboration, A. Airapetian

Polarized deep--inelastic scattering data on longitudinally polarized hydrogen and deuterium targets have been used to determine double spin asymmetries of cross sections. Inclusiv…

hep-ex1998★ 195 cited

The Flavor Asymmetry of the Light Quark Sea from Semi-inclusive Deep-inelastic Scattering

K. Ackerstaff

The flavor asymmetry of the light quark sea of the nucleon is determined in the kinematic range 0.02<x<0.3 and 1 GeV^2<Q^2<10 GeV^2, for the first time from semi-inclusive deep-ine…