S. Huber

activity

20122023

g_{1}^{p}

of the Proton and a Test of the Bjorken Sum Rule

127 citations · 1.6k across the 42 of their papers we have counts for

collaborators

42 papers

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-ex2023

Final COMPASS results on the transverse-spin-dependent azimuthal asymmetries in the pion-induced Drell-Yan process

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

The COMPASS Collaboration performed measurements of the Drell-Yan process in 2015 and 2018 using a 190 GeV/c $π^{-}$ beam impinging on a transversely polarised ammonia target. Comb…

hep-ex2023

Transverse-spin-dependent azimuthal asymmetries of pion and kaon pairs produced in muon-proton and muon-deuteron semi-inclusive deep inelastic scattering

The COMPASS Collaboration

A set of measurements of azimuthal asymmetries in the production of pairs of identified hadrons in deep-inelastic scattering of muons on transversely polarised $^{6}$ LiD (deuteron) a…

hep-ex2022★ 9 cited

Collins and Sivers transverse-spin asymmetries in inclusive muoproduction of $ρ^{0}$ 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★ 1 cited

Spin Density Matrix Elements in Exclusive $ρ^{0}$ Meson Muoproduction

G. D. Alexeev, M. G. Alexeev, C. Alice +186

We report on a measurement of Spin Density Matrix Elements (SDMEs) in hard exclusive $ρ^{0}$ meson muoproduction at COMPASS using 160~GeV/ $c$ polarised $μ^{+}$ and $μ^{-}$ beams im…

hep-ex2022★ 2 cited

Double $J / ψ$ 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 $J / ψ$ mesons using COMPASS data collected with a 190 GeV/ $c$ $π^{-}$ beam scattering off NH $_{3}$ , Al and W targets. Kinematic distri…

hep-ex2021★ 23 cited

The exotic meson $π_{1} (1600)$ with $J^{P C} = 1^{-+}$ and its decay into $ρ (770) π$

M. G. Alexeev, G. D. Alexeev, A. Amoroso +192

We study the spin-exotic $J^{P C} = 1^{-+}$ amplitude in single-diffractive dissociation of 190 GeV $/ c$ pions into $π^{-} π^{-} π^{+}$ using a hydrogen target and confirm the $π_1(1600) \to…

hep-ex2021

Probing transversity by measuring $Λ$ polarisation in SIDIS

M. G. Alexeev, G. D. Alexeev, A. Amoroso +196

Based on the observation of sizeable target-transverse-spin asymmetries in single-hadron and hadron-pair production in Semi-Inclusive measurements of Deep Inelastic Scattering (SID…

physics.ins-det2020★ 4 cited

Performance of the Data Handling Hub readout system for the Belle II pixel detector

Stefan Huber, Igor Konorov, Dmytro Levit +2

The SuperKEKB accelerator in Tsukuba, Japan is providing e $^{+}$ e $^{-}$ beams for the Belle II experiment since March 2019. To deal with the aimed peak luminosity being forty times hig…

physics.ins-det2019★ 3 cited

Towards a first measurement of the free neutron bound beta decay detecting hydrogen atoms at a throughgoing beamtube in a high flux reactor

Wolfgang Schott, Erwin Gutsmiedl, Karina Bernert +9

In addition to the common 3-body decay of the neutron $n \to p e^{-} ν_{e}$ there should exist an effective 2-body subset with the electron and proton forming a Hydrog…

hep-ex2019★ 24 cited

Measurement of the cross section for hard exclusive $π^{0}$ leptoproduction

M. G. Alexeev, G. D. Alexeev, A. Amoroso +199

We report on a measurement of hard exclusive $π^{0}$ muoproduction on the proton by COMPASS using 160 GeV/ $c$ polarised $μ^{+}$ and $μ^{-}$ beams of the CERN SPS impinging on a liquid hy…

hep-ex2018★ 22 cited

Measurement of $P_{T}$ -weighted Sivers asymmetries in leptoproduction of hadrons

M. G. Alexeev, G. D. Alexeev, A. Amoroso +209

The transverse spin asymmetries measured in semi-inclusive leptoproduction of hadrons, when weighted with the hadron transverse momentum $P_{T}$ , allow for the extraction of importan…

hep-ex2018★ 42 cited

Letter of Intent: A New QCD facility at the M2 beam line of the CERN SPS (COMPASS++/AMBER)

B. Adams, C. A. Aidala, R. Akhunzyanov +263

A New QCD facility at the M2 beam line of the CERN SPS COMPASS++/AMBER

hep-ex2018★ 76 cited

Light isovector resonances in $π^{-} p \to π^{-} π^{-} π^{+} p$ at 190 GeV/ $c$

M. Aghasyan, M. G. Alexeev, G. D. Alexeev +221

We have performed the most comprehensive resonance-model fit of $π^{-} π^{-} π^{+}$ states using the results of our previously published partial-wave analysis (PWA) of a large data set of…

hep-ex2017★ 60 cited

Transverse-momentum-dependent Multiplicities of Charged Hadrons in Muon-Deuteron Deep Inelastic Scattering

M. Aghasyan, R. Akhunzyanov, M. G. Alexeev +227

A semi-inclusive measurement of charged hadron multiplicities in deep inelastic muon scattering off an isoscalar target was performed using data collected by the COMPASS Collaborat…

hep-ph2017★ 18 cited

New analysis of $η π$ tensor resonances measured at the COMPASS experiment

A. Jackura, C. Fernandez-Ramirez, M. Mikhasenko +232

We present a new amplitude analysis of the $η π$ $D$ -wave in $π^{-} p \to η π^{-} p$ measured by COMPASS. Employing an analytical model based on the principles of the relativistic $S$ -mat…

hep-ex2017★ 32 cited

Search for muoproduction of $X (3872)$ at COMPASS and indication of a new state $X (3872)$

M. Aghasyan, R. Akhunzyanov, M. G. Alexeev +224

We have searched for exclusive production of exotic charmonia in the reaction $μ^{+} N \to μ^{+} (J / ψ π^{+} π^{-}) π^{\pm} N^{'}$ using COMPASS data collected with incoming muons of…

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/ $c$ , $π^{-}$ beam and a…

hep-ex2017★ 34 cited

First measurement of the Sivers asymmetry for gluons from SIDIS data

C. Adolph, M. Aghasyan, R. Akhunzyanov +223

The Sivers function describes the correlation between the transverse spin of a nucleon and the transverse motion of its partons. It was extracted from measurements of the azimuthal…

hep-ex2016★ 53 cited

Final COMPASS results on the deuteron spin-dependent structure function $g_{1}^{d}$ and the Bjorken sum rule

C. Adolph, M. Aghasyan, R. Akhunzyanov +223

Final results are presented from the inclusive measurement of deep-inelastic polarised-muon scattering on longitudinally polarised deuterons using a $^{6}$ LiD target. The data were t…

hep-ex2016★ 55 cited

Sivers asymmetry extracted in SIDIS at the hard scale of the Drell-Yan process at COMPASS

C. Adolph, M. Aghasyan, R. Akhunzyanov +223

Proton transverse-spin azimuthal asymmetries are extracted from the COMPASS 2010 semi-inclusive hadron measurements in deep inelastic muon-nucleon scattering in those four regions…

hep-ex2016★ 47 cited

Multiplicities of charged kaons from deep-inelastic muon scattering off an isoscalar target

C. Adolph, J. Agarwala, M. Aghasyan +223

Precise measurements of charged-kaon multiplicities in deep inelastic scattering were performed. The results are presented in three-dimensional bins of the Bjorken scaling variable…

hep-ex2016★ 12 cited

Exclusive $ω$ meson muoproduction on transversely polarised protons

C. Adolph, J. Agarwala, M. Aghasyan +225

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

hep-ex2016★ 52 cited

Multiplicities of charged pions and unidentified charged hadrons from deep-inelastic scattering of muons off an isoscalar target

C. Adolph, J. Agarwala, M. Aghasyan +224

Multiplicities of charged pions and unidentified hadrons produced in deep-inelastic scattering were measured in bins of the Bjorken scaling variable $x$ , the relative virtual-photo…

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

Final COMPASS results on the transverse-spin-dependent azimuthal asymmetries in the pion-induced Drell-Yan process

Transverse-spin-dependent azimuthal asymmetries of pion and kaon pairs produced in muon-proton and muon-deuteron semi-inclusive deep inelastic scattering

Collins and Sivers transverse-spin asymmetries in inclusive muoproduction of ρ0 mesons

Spin Density Matrix Elements in Exclusive ρ0 Meson Muoproduction

Double J/ψ production in pion-nucleon scattering at COMPASS

The exotic meson π1​(1600) with JPC=1−+ and its decay into ρ(770)π

Probing transversity by measuring Λ polarisation in SIDIS

Performance of the Data Handling Hub readout system for the Belle II pixel detector

Towards a first measurement of the free neutron bound beta decay detecting hydrogen atoms at a throughgoing beamtube in a high flux reactor

Measurement of the cross section for hard exclusive π0 leptoproduction

Measurement of PT​-weighted Sivers asymmetries in leptoproduction of hadrons

Letter of Intent: A New QCD facility at the M2 beam line of the CERN SPS (COMPASS++/AMBER)

Light isovector resonances in π−p→π−π−π+p at 190 GeV/c

Transverse-momentum-dependent Multiplicities of Charged Hadrons in Muon-Deuteron Deep Inelastic Scattering

New analysis of ηπ tensor resonances measured at the COMPASS experiment

Search for muoproduction of X(3872) at COMPASS and indication of a new state X(3872)

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

First measurement of the Sivers asymmetry for gluons from SIDIS data

Final COMPASS results on the deuteron spin-dependent structure function g1d​ and the Bjorken sum rule

Sivers asymmetry extracted in SIDIS at the hard scale of the Drell-Yan process at COMPASS

Multiplicities of charged kaons from deep-inelastic muon scattering off an isoscalar target

Exclusive ω meson muoproduction on transversely polarised protons

Multiplicities of charged pions and unidentified charged hadrons from deep-inelastic scattering of muons off an isoscalar target

Collins and Sivers transverse-spin asymmetries in inclusive muoproduction of $ρ^{0}$ mesons

Spin Density Matrix Elements in Exclusive $ρ^{0}$ Meson Muoproduction

Double $J / ψ$ production in pion-nucleon scattering at COMPASS

The exotic meson $π_{1} (1600)$ with $J^{P C} = 1^{-+}$ and its decay into $ρ (770) π$

Probing transversity by measuring $Λ$ polarisation in SIDIS

Measurement of the cross section for hard exclusive $π^{0}$ leptoproduction

Measurement of $P_{T}$ -weighted Sivers asymmetries in leptoproduction of hadrons

Light isovector resonances in $π^{-} p \to π^{-} π^{-} π^{+} p$ at 190 GeV/ $c$

New analysis of $η π$ tensor resonances measured at the COMPASS experiment

Search for muoproduction of $X (3872)$ at COMPASS and indication of a new state $X (3872)$

Final COMPASS results on the deuteron spin-dependent structure function $g_{1}^{d}$ and the Bjorken sum rule

Exclusive $ω$ meson muoproduction on transversely polarised protons