S. V. Donskov

Antiproton over proton and K $^{-}$ over K $^{+}$ multiplicity ratios at high $z$ in DIS

M. G. Alexeev, G. D. Alexeev, A. Amoroso +195

Measurement of the charged-pion polarisability

C. Adolph, R. Akhunzyanov, M. G. Alexeev +210

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

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

Improved limits on a hypothetical X(16.7) boson and a dark photon decaying into $e^{+} e^{-}$ pairs

D. Banerjee, J. Bernhard, V. E. Burtsev +51

First constraints on the $L_{I^} ¼ - L_{I ¨} $ explanation of the muon $g - 2$ anomaly from NA64- $e$ at CERN

Yu. M. Andreev, A. Antonov, D. Banerjee +58

Odd and Even Partial Waves of $I^\cdot I ¨ ^{-}$ and $I^\cdot^{'} I ¨ ^{-}$ in $I ¨ ^{-} p \to I^\cdot^{(')} I ¨ ^{-} p$ at $191 GeV / c$

C. Adolph, R. Akhunzyanov, M. G. Alexeev +205

Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +212

K $^{-}$ over K $^{+}$ multiplicity ratio for kaons produced in DIS with a large fraction of the virtual-photon energy

R. Akhunzyanov, M. G. Alexeev, G. D. Alexeev +207

Azimuthal asymmetries of charged hadrons produced in high-energy muon scattering off longitudinally polarised deuterons

C. Adolph, M. Aghasyan, R. Akhunzyanov +221

Leading and Next-to-Leading Order Gluon Polarisation in the Nucleon and Longitudinal Double Spin Asymmetries from Open Charm Muoproduction

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217

Proposal for an Experiment to Search for Light Dark Matter at the SPS

S. Andreas, S. V. Donskov, P. Crivelli +16

Probing transversity by measuring $I^$ polarisation in SIDIS

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

Longitudinal double-spin asymmetry $A_{1}^{p}$ and spin-dependent structure function $g_{1}^{p}$ of the proton at small values of $x$ and $Q^{2}$

M. Aghasyan, R. Akhunzyanov, M. G. Alexeev +225

Exploration of the Muon $g - 2$ and Light Dark Matter explanations in NA64 with the CERN SPS high energy muon beam

Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +54

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

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

Spin alignment and violation of the OZI rule in exclusive $I ¨ $ and $I ¨ $ production in pp collisions

C. Adolph, R. Akhunzyanov, M. G. Alexeev +206

Measurement of the intrinsic hadronic contamination in the NA64 $- e$ high-purity $e^{+} / e^{-}$ beam at CERN

Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +65

Search for Axionlike and Scalar Particles with the NA64 Experiment

D. Banerjee, J. Bernhard, V. E. Burtsev +52

First measurement of the Sivers asymmetry for gluons from SIDIS data

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

Hadron Transverse Momentum Distributions in Muon Deep Inelastic Scattering at 160 GeV/ $c$

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +207

hep-ex2009

Collins and Sivers asymmetries for pions and kaons in muon-deuteron DIS

The COMPASS Collaboration, M. Alekseev, V. Yu. Alexakhin +238

hep-ex1997

Study of the $I^\cdot I ¨ ^{o}$ system in the mass range up to 1200 MeV

D. Alde, F. G. Binon, M. Boutemeur +23

Measurement of radiative widths of $a_{2} (1320)$ and $I ¨ _{2} (1670)$

C. Adolph, R. Akhunzyanov, M. G. Alekseev +206

The upper limit on the $K^{+} \to I ¨ ^{0} I ¨ ^{0} I ¨ ^{0} e^{+} I^½$ decay

A. V. Kulik, S. N. Filippov, E. N. Gushchin +26

Interplay among transversity induced asymmetries in hadron leptoproduction

Compass Collaboration, C. Adolph, R. Akhunzyanov +206

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

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

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

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

Measurement of the Cross Section for High-p_T Hadron Production in Scattering of 160 GeV/c Muons off Nucleons

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

hep-ex2026

First Observation of an Exotic Reggeon

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

Search for a light muon-philic $Z^{'}$ with the NA64- $e$ experiment at CERN

Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +58

Measurement of the $I^\cdot$ - $I^\cdot^{'}$ mixing angle in $I ¨ ^{-}$ and $K^{-}$ beams with GAMS- $4 I ¨ $ Setup

S. V. Donskov, V. N. Kolosov, A. A. Lednev +4

Study of Î£(1385) and Î(1321) hyperon and antihyperon production in deep inelastic muon scattering

C. Adolph, M. Alekseev, V. Yu. Alexakhin +203

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

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

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

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

hep-ex2026

Improved limits on a new $Z^{'}$ in $B - L$ scenarios with the NA64 experiment at CERN

The NA64 Collaboration, Yu. M. Andreev, A. Antonov +53

Search for exclusive photoproduction of Z $_{c}^{\pm}$ (3900) at COMPASS

C. Adolph, R. Akhunzyanov, M. G. Alexeev +205

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

G. D. Alexeev, M. G. Alexeev, C. Alice +169

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

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

The exotic meson $I ¨ _{1} (1600)$ with $J^{P C} = 1^{-+}$ and its decay into $I ¨ (770) I ¨ $

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

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

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

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

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

The Spin Structure Function $g_{1}^{p}$ of the Proton and a Test of the Bjorken Sum Rule

C. Adolph, R. Akhunzyanov, M. G. Alexeev +203

Search for Light Dark Matter with NA64 at CERN

Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +60

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

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

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

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

Searches for the light invisible axion-like particle in $K^{+} \to I ¨ ^{+} I ¨ ^{0} a$ decay

A. S. Sadovsky, A. P. Filin, S. A. Akimenko +31

Observation of $K^{+} \to I ¨ ^{+} I ¨ ^{0} I ¨ ^{0} I^^{3}$ decay

S. N. Filippov, E. N. Gushchin, A. A. Khudyakov +29

hep-ph2021

Triangle Singularity as the Origin of the $a_{1} (1420)$

G. D. Alexeev, M. G. Alexeev, A. Amoroso +194

$K_{e 3}$ decay studies in OKA experiment

O. P. Yushchenko, V. F. Kurshetsov, A. P. Filin +38

A search for decay $I^\cdot^{'} \to 4 I ¨ ^{0}$ with GAMS- $4 I ¨ $ Setup

S. V. Donskov, V. N. Kolosov, A. A. Lednev +4

50 GeV $I ¨ ^{-}$ in, nothing out: a sensitive probe of invisible $I^\cdot$ and $I^\cdot^{'}$ decays with NA64h

Yu. M. Andreev, A. Antonov, M. A. Ayala Torres +54

hep-ph2017

New analysis of $I^\cdot I ¨ $ tensor resonances measured at the COMPASS experiment

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

Observation of a new narrow axial-vector meson $a_{1} (1420)$

C. Adolph, R. Akhunzyanov, M. G. Alexeev +201

Search for heavy neutrino in $K^{+} \to I^¼^{+} I^½_{H}$ decay

A. S. Sadovsky, V. F. Kurshetsov, A. P. Filin +38

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

High efficiency veto hadron calorimeter in the NA64 experiment at CERN

Yu. M. Andreev, A. Antonov, M. A. Ayala Torres +53

Search for pseudoscalar bosons decaying into $e^{+} e^{-}$ pairs in the NA64 experiment at the CERN SPS

Yu. M. Andreev, D. Banerjee, J. Bernhard +52

physics.ins-det2015

On detection of narrow angle e+e- pairs from dark photon decays

A. V. Dermenev, S. V. Donskov, S. N. Gninenko +8

Collins and Sivers asymmetries in muonproduction of pions and kaons off transversely polarised proton

C. Adolph, R. Akhunzyanov, M. G. Alexeev +205

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

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

hep-ph2009

Scalar mesons in eta' -> eta pi0 pi0 decay

S. V. Donskov, A. K. Likhoded, A. V. Luchinsky +1

Transverse Extension of Partons in the Proton probed by Deeply Virtual Compton Scattering

R. Akhunzyanov, M. G. Alexeev, G. D. Alexeev +223

Searching for Light Dark Matter and Dark Sectors with the NA64 experiment at the CERN SPS

Yu. M. Andreev, A. Antonov, M. A. Ayala Torres +49

Leading-order determination of the gluon polarisation from semi-inclusive deep inelastic scattering data

C. Adolph, M. Aghasyan, R. Akhunzyanov +217

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

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

Leading order determination of the gluon polarisation from DIS events with high-p_T hadron pairs

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +212

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

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

Search for a Hypothetical 16.7 MeV Gauge Boson and Dark Photons in the NA64 Experiment at CERN

D. Banerjee, V. E. Burtsev, A. G. Chumakov +45

Dark matter search in missing energy events with NA64

D. Banerjee, V. E. Burtsev, A. G. Chumakov +48

Measurement of T-odd asymmetry in radiative K+ -> pi0 e+ nu gamma decay using OKA detector

A. Yu. Polyarush, S. A. Akimenko, A. V. Artamonov +32

Probing Light Dark Matter with positron beams at NA64

Yu. M. Andreev, A. Antonov, D. Banerjee +63

Search for vector mediator of Dark Matter production in invisible decay mode

NA64 Collaboration, D. Banerjee, V. E. Burtsev +41

Proof of principle for a light dark matter search with low-energy positron beams at NA64

Yu. M. Andreev, A. Antonov, M. A. Ayala Torres +54

First Measurement of Chiral Dynamics in Ï^- Î³-> Ï^- Ï^- Ï^+

M. G. Alekseev, V. Yu. Alexakhin, Yu. Alexandrov +202

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

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

Study of $K^{+} \to I ¨ ^{0} e^{+} I^½ I^^{3}$ decay with OKA setup

A. Yu. Polyarush, V. A. Duk, S. N. Filippov +34

Constraints on New Physics in the Electron g-2 from a Search for Invisible Decays of a Scalar, Pseudoscalar, Vector, and Axial Vector

Yu. M. Andreev, D. Banerjee, J. Bernhard +49

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

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

Transverse target spin asymmetries in exclusive $I ¨ ^{0}$ muoproduction

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

Exclusive $I ¨ $ meson muoproduction on transversely polarised protons

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

Search for a New B-L Z' Gauge Boson with the NA64 Experiment at CERN

Yu. M. Andreev, D. Banerjee, B. Banto-Oberhauser +55

Longitudinal double spin asymmetries in single hadron quasi-real photoproduction at high $p_{T}$

COMPASS Collaboration, C. Adolph, R. Akhunzyanov +207

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

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

Measurement of azimuthal hadron asymmetries in semi-inclusive deep inelastic scattering off unpolarised nucleons

C. Adolph, R. Akhunzyanov, M. G. Alekseev +217

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

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

Probing the explanation of the muon (g-2) anomaly and thermal light dark matter with the semi-visible dark photon channel

C. Cazzaniga, P. Odagiu, E. Depero +55

Resonance Production and $I ¨ I ¨ $ S-wave in $I ¨ ^{-} + p \to I ¨ ^{-} I ¨ ^{-} I ¨ ^{+} + p_{r eco i l}$ at 190 GeV/c

C. Adolph, R. Akhunzyanov, M. G. Alexeev +206

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

hep-ex2026

A search for the dark photon in the OKA experiment

The OKA Collaboration, A. S. Sadovsky, A. P. Filin +35

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

Study of the decay $K^{+} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{+} I^^{3}$ in the OKA experiment

M. M. Shapkin, S. A. Akimenko, A. V. Artamonov +37

Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS

NA64 Collaboration, D. Banerjee, V. Burtsev +44

physics.ins-det2017

High purity 100 GeV electron identification with synchrotron radiation

E. Depero, D. Banerjee, V. Burtsev +36

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

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

physics.ins-det2017

Performance of Multiplexed XY Resistive Micromegas detectors in a high intensity beam

D. Banerjee, V. Burtsev, A. Chumakov +38

Exclusive rho^0 muoproduction on transversely polarised protons and deuterons

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217