62 Result(s)

Article

Impact of jet-production data on the next-to-next-to-leading-order determination of HERAPDF2.0 parton distributions

The HERAPDF2.0 ensemble of parton distribution functions (PDFs) was introduced in 2015. The final stage is presented, a next-to-next-to-leading-order (NNLO) analysis of the HERA data on inclusive deep inelastic e...

I. Abt, R. Aggarwal, V. Andreev, M. Arratia, V. Aushev… in The European Physical Journal C (2022)

Article

Erratum to: Measurement of jet production cross sections in deep-inelastic ep scattering at HERA

The measurement of the jet cross sections by the H1 collaboration had been compared to various predictions including the next-to-next-to-leading order (NNLO) QCD calculations which are corrected in this erratu...

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2021)

Article

Erratum to: Determination of the strong coupling constant \({{\varvec{\alpha _{\mathrm{s}} (m_{\mathrm{Z}})}}}\) in next-to-next-to-leading order QCD using H1 jet cross section measurements

The determination of the strong coupling constant \(\alpha _{\mathrm{s}} (m_{\mathrm{Z}})\) ...

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2021)

Article

Measurement of charged particle multiplicity distributions in DIS at HERA and its implication to entanglement entropy of partons

Charged particle multiplicity distributions in positron-proton deep inelastic scattering at a centre-of-mass energy \(\sqrt{s}=319\) ...

V. Andreev, A. Baghdasaryan, A. Baty, K. Begzsuren… in The European Physical Journal C (2021)

Article

Measurement of exclusive \({\varvec{{{{\pi ^+\pi ^-}}}}}\) and \({\varvec{{{{\rho ^0}}}}}\) meson photoproduction at HERA

Exclusive photoproduction of \({{\rho ^0}} (770)\) ρ ...

V. Andreev, A. Baghdasaryan, A. Baty, K. Begzsuren… in The European Physical Journal C (2020)

Article

Determination of electroweak parameters in polarised deep-inelastic scattering at HERA

The parameters of the electroweak theory are determined in a combined electroweak and QCD analysis using all deep-inelastic \(e^+p\) ...

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2018)

Article

Combination and QCD analysis of charm and beauty production cross-section measurements in deep inelastic ep scattering at HERA

Measurements of open charm and beauty production cross sections in deep inelastic ep scattering at HERA from the H1 and ZEUS Collaborations are combined. Reduced cross sections are obtained in the kinematic range...

H. Abramowicz, I. Abt, L. Adamczyk, M. Adamus… in The European Physical Journal C (2018)

Article

Determination of the strong coupling constant \({\varvec{{\alpha _\mathrm{s} (m_\mathrm{Z})}}}\) in next-to-next-to-leading order QCD using H1 jet cross section measurements

The strong coupling constant \(\alpha _\mathrm{s}\) α ...

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2017)

Article

Measurement of \({\varvec{D^{*}}}\) production in diffractive deep inelastic scattering at HERA

Measurements of \(D^{*}(2010)\) ...

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2017)

Article

Measurement of jet production cross sections in deep-inelastic ep scattering at HERA

A precision measurement of jet cross sections in neutral current deep-inelastic scattering for photon virtualities $$5.5<Q^2 <80\,\mathrm {GeV...

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2017)

Article

Search for QCD instanton-induced processes at HERA in the high- \(\pmb {Q^2}\) domain

Signals of QCD instanton-induced processes are searched for in neutral current deep-inelastic scattering at the electron-proton collider HERA in the kinematic region defined by the Bjorken-scaling variable ...

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2016)

Article

Exclusive \(\rho ^0\) meson photoproduction with a leading neutron at HERA

A first measurement is presented of exclusive photoproduction of \(\rho ^0\) ...

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2016)

Article

Combination of measurements of inclusive deep inelastic \({e^{\pm }p}\) scattering cross sections and QCD analysis of HERA data

A combination is presented of all inclusive deep inelastic cross sections previously published by the H1 and ZEUS collaborations at HERA for neutral and charged current

H. Abramowicz, I. Abt, L. Adamczyk, M. Adamus… in The European Physical Journal C (2015)

Article

Measurement of multijet production in \({e\!\!\;p}\) collisions at high \(\varvec{Q^2}\) and determination of the strong coupling \(\varvec{{\alpha _s}} \)

Inclusive jet, dijet and trijet differential cross sections are measured in neutral current deep-inelastic scattering for exchanged boson virtualities ...

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2015)

Article

Measurement of Feynman- \(x\) spectra of photons and neutrons in the very forward direction in deep-inelastic scattering at HERA

Measurements of normalised cross sections for the production of photons and neutrons at very small angles with respect to the proton beam direction in deep-inelastic

V. Andreev, A. Baghdasaryan, K. Begzsuren, A. Belousov… in The European Physical Journal C (2014)

Article

Measurement of inclusive \(\varvec{ep}\) cross sections at high \({\varvec{Q}^{2}}\) at \(\varvec{\sqrt{s}}=225\) and 252 GeV and of the longitudinal proton structure function \({\varvec{F}_{\varvec{L}}}\) at HERA

Inclusive \(ep\) e p ...

V. Andreev, A. Baghdasaryan, S. Baghdasaryan… in The European Physical Journal C (2014)

Article

Erratum to: Determination of the integrated luminosity at HERA using elastic QED compton events

F. D. Aaron, C. Alexa, V. Andreev, S. Backovic… in The European Physical Journal C (2014)

Article

Elastic and proton-dissociative photoproduction of J/ψ mesons at HERA

Cross sections for elastic and proton-dissociative photoproduction of J/ψ mesons are measured with the H1 detector in positron-proton collisions at HERA. The data were collected at ep centre-of-mass energies ...

C. Alexa, V. Andreev, A. Baghdasaryan, S. Baghdasaryan… in The European Physical Journal C (2013)

Article

Measurement of charged particle spectra in deep-inelastic ep scattering at HERA

Charged particle production in deep-inelastic ep scattering is measured with the H1 detector at HERA. The kinematic range of the analysis covers low photon virtualities, 5<Q ²<100 GeV², and small ...

C. Alexa, V. Andreev, A. Baghdasaryan, S. Baghdasaryan… in The European Physical Journal C (2013)

Article

Combination and QCD analysis of charm production cross section measurements in deep-inelastic ep scattering at HERA

Measurements of open charm production cross sections in deep-inelastic ep scattering at HERA from the H1 and ZEUS Collaborations are combined. Reduced cross sections

H. Abramowicz, I. Abt, L. Adamczyk, M. Adamus… in The European Physical Journal C (2013)