V. Andrieux

activity

20122026

most citedCreating small circular, elliptical, and triangular droplets of quark-gluon plasma

317 citations · 2.7k across the 85 of their papers we have counts for

collaborators

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68 papers · 1 filter

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 $η π^{-}$ and $η^{'} π^{-}$ pairs in the reactions $π^{-} p \to η^{(')} π^{-} p$ . 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 $J^{P} = 0^{-}$

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

We measured the strange-meson spectrum in the scattering reaction $K^{-} + p \to K^{-} π^{-} π^{-} + p$ with the COMPASS spectrometer at CERN. Using the world's largest sample of…

hep-ex2024

Measurement of the hard exclusive $π^{0}$ 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-ex2024

Multiplicity dependent $J / ψ$ and $ψ (2 S)$ production at forward and backward rapidity in $p$ $+$ $p$ collisions at $s = 200$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +298

The $J / ψ$ and $ψ (2 S)$ charmonium states, composed of $c c ˉ$ quark pairs and known since the 1970s, are widely believed to serve as ideal probes to test quantum chromodynamics i…

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★ 4 cited

Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized $p$ + $p$ , $p$ +Al, and $p$ +Au collisions at $s_{N N} = 200$ GeV}

N. J. Abdulameer, U. Acharya, C. Aidala +319

Reported here are transverse single-spin asymmetries ( $A_{N}$ ) in the production of charged hadrons as a function of transverse momentum ( $p_{T}$ ) and Feynman- $x$ ( $x_{F}$ ) in polarize…

hep-ex2023

Transverse single-spin asymmetry of midrapidity $π^{0}$ and $η$ mesons in $p$ +Au and $p$ +Al collisions at $s_{_{N N}} =$ 200 GeV

N. J. Abdulameer, U. Acharya, C. Aidala +319

Presented are the first measurements of the transverse single-spin asymmetries ( $A_{N}$ ) for neutral pions and eta mesons in $p$ +Au and $p$ +Al collisions at $s_{_{N N}} = 200$ Ge…

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-ex2022

Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in $p^{↑} + p$ collisions at $s = 200$ GeV

N. J. Abdulameer, U. Acharya, C. Aidala +321

Polarized proton-proton collisions provide leading-order access to gluons, presenting an opportunity to constrain gluon spin-momentum correlations within transversely polarized pro…

hep-ex2021★ 2 cited

Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized $p + p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +307

In 2015, the PHENIX collaboration has measured single-spin asymmetries for charged pions in transversely polarized proton-proton collisions at the center of mass energy of $\sqrt{s…

hep-ex2021★ 4 cited

Transverse single spin asymmetries of forward neutrons in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV as a function of transverse and longitudinal momenta

U. A. Acharya, C. Aidala, Y. Akiba +308

In 2015 the PHENIX collaboration at the Relativistic Heavy Ion Collider recorded $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collision data at center of mass energies of $\sqrt{s_{_{NN}}}=20…

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★ 24 cited

Kinematic dependence of azimuthal anisotropies in $p$ $+$ Au, $d$ $+$ Au, $^{3}$ He+Au at $s_{_{N N}}$ = 200 GeV

U. A. Acharya, A. Adare, C. Aidala +378

There is strong evidence for the formation of small droplets of quark-gluon plasma in $p / d /^{3}$ He+Au collisions at the Relativistic Heavy Ion Collider (RHIC) and in $p$ + $p$ /Pb col…

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…

hep-ex2021★ 16 cited

Probing gluon spin-momentum correlations in transversely polarized protons through midrapidity isolated direct photons in $p^{↑} + p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +308

Studying spin-momentum correlations in hadronic collisions offers a glimpse into a three-dimensional picture of proton structure. The transverse single-spin asymmetry for midrapidi…

hep-ex2020★ 5 cited

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized $p$ $+$ $p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +311

In 2015, the PHENIX collaboration has measured very forward ( $η > 6.8$ ) single-spin asymmetries of inclusive neutrons in transversely polarized proton-proton and proton-nucleus colli…

hep-ex2020★ 14 cited

Transverse single-spin asymmetries of midrapidity $π^{0}$ and $η$ mesons in polarized $p$ $+$ $p$ collisions at $s = 200$ GeV

U. A. Acharya, C. Aidala, Y. Akiba +311

We present a measurement of the transverse single-spin asymmetry for $π^{0}$ and $η$ mesons in $p^{↑}$ $+$ $p$ collisions in the pseudorapidity range $∣ η ∣ < 0.35$ and at a center-of…

hep-ex2020★ 12 cited

Spin Density Matrix Elements in Exclusive $ω$ Meson Muoproduction $^{*}$

M. G. Alexeev, G. D. Alexeev, A. Amoroso +197

We report on a measurement of Spin Density Matrix Elements (SDMEs) in hard exclusive $ω$ meson muoproduction on the proton at COMPASS using 160 GeV/ $c$ polarised $μ^{+}$ and $ μ^{…

hep-ex2019★ 9 cited

Contribution of exclusive diffractive processes to the measured azimuthal asymmetries in SIDIS

J. Agarwala, M. G. Alexeev, G. D. Alexeev +203

Hadron leptoproduction in Semi-Inclusive measurements of Deep-Inelastic Scattering (SIDIS) on unpolarised nucleons allows one to get information on the intrinsic transverse momentu…

First Observation of an Exotic Reggeon

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

Spectroscopy of Strange Mesons and First Observation of a Strange Crypto-Exotic State with JP=0−

Measurement of the hard exclusive π0 muoproduction cross section at COMPASS

Multiplicity dependent J/ψ and ψ(2S) production at forward and backward rapidity in p+p collisions at s​=200 GeV

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 single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized p+p, p+Al, and p+Au collisions at sNN​​=200 GeV}

Transverse single-spin asymmetry of midrapidity π0 and η mesons in p+Au and p+Al collisions at sNN​​​= 200 GeV

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

Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in p↑+p collisions at s​=200 GeV

Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized p+p collisions at s​=200 GeV

Transverse single spin asymmetries of forward neutrons in p+p, p+Al, and p+Au collisions at sNN​​​=200 GeV as a function of transverse and longitudinal momenta

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

Kinematic dependence of azimuthal anisotropies in p+Au, d+Au, 3He+Au at sNN​​​ = 200 GeV

Probing transversity by measuring Λ polarisation in SIDIS

Probing gluon spin-momentum correlations in transversely polarized protons through midrapidity isolated direct photons in p↑+p collisions at s​=200 GeV

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized p+p collisions at s​=200 GeV

Transverse single-spin asymmetries of midrapidity π0 and η mesons in polarized p+p collisions at s​=200 GeV

Spin Density Matrix Elements in Exclusive ω Meson Muoproduction ∗

Contribution of exclusive diffractive processes to the measured azimuthal asymmetries in SIDIS

Spectroscopy of Strange Mesons and First Observation of a Strange Crypto-Exotic State with $J^{P} = 0^{-}$

Measurement of the hard exclusive $π^{0}$ muoproduction cross section at COMPASS

Multiplicity dependent $J / ψ$ and $ψ (2 S)$ production at forward and backward rapidity in $p$ $+$ $p$ collisions at $s = 200$ GeV

Transverse single-spin asymmetry of charged hadrons at forward and backward rapidity in polarized $p$ + $p$ , $p$ +Al, and $p$ +Au collisions at $s_{N N} = 200$ GeV}

Transverse single-spin asymmetry of midrapidity $π^{0}$ and $η$ mesons in $p$ +Au and $p$ +Al collisions at $s_{_{N N}} =$ 200 GeV

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

Improving constraints on gluon spin-momentum correlations in transversely polarized protons via midrapidity open-heavy-flavor electrons in $p^{↑} + p$ collisions at $s = 200$ GeV

Transverse-single-spin asymmetries of charged pions at midrapidity in transversely polarized $p + p$ collisions at $s = 200$ GeV

Transverse single spin asymmetries of forward neutrons in $p$ $+$ $p$ , $p$ $+$ Al, and $p$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV as a function of transverse and longitudinal momenta

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

Kinematic dependence of azimuthal anisotropies in $p$ $+$ Au, $d$ $+$ Au, $^{3}$ He+Au at $s_{_{N N}}$ = 200 GeV

Probing transversity by measuring $Λ$ polarisation in SIDIS

Probing gluon spin-momentum correlations in transversely polarized protons through midrapidity isolated direct photons in $p^{↑} + p$ collisions at $s = 200$ GeV

Transverse momentum dependent forward neutron single spin asymmetries in transversely polarized $p$ $+$ $p$ collisions at $s = 200$ GeV

Transverse single-spin asymmetries of midrapidity $π^{0}$ and $η$ mesons in polarized $p$ $+$ $p$ collisions at $s = 200$ GeV

Spin Density Matrix Elements in Exclusive $ω$ Meson Muoproduction $^{*}$