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Article
Open AccessMeasurement of isolated photon production in deep-inelastic scattering at HERA
The production of isolated photons in deep-inelastic scattering ep→eγX is measured with the H1 detector at HERA. The measurement is performed in the kinematic range of negative four-momentum transfer squared 4<Q2
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Article
Open AccessThree- and four-jet production at low x at HERA
Three- and four-jet production is measured in deep-inelastic ep scattering at low x and Q2 with the H1 detector using an integrated luminosity of 44.2 pb-1. Several phase space regions are selected for the three-...
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Article
Open AccessStudy of charm fragmentation into D * ± mesons in deep-inelastic scattering at HERA
The process of charm quark fragmentation is studied using D * ± meson production in deep-inelastic scattering as measured by the H1 detector at HERA. The parameters of fragmentation functi...
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Article
Open AccessStrangeness production at low Q 2 in deep-inelastic ep scattering at HERA
The production of neutral strange hadrons is investigated using deep-inelastic scattering events measured with the H1 detector at HERA. The measurements are made in the phase space defined by the negative four...
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Article
Open AccessEvents with isolated leptons and missing transverse momentum and measurement of W production at HERA
Events with high energy isolated electrons, muons or tau leptons and missing transverse momentum are studied using the full e ± p data sample collected by the H1 ex...
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Article
Open AccessMeasurement of the charm and beauty structure functions using the H1 vertex detector at HERA
Inclusive charm and beauty cross sections are measured in e − p and e + p neutral current collisions at HERA in the ...
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Article
Open AccessJet production in ep collisions at high Q 2 and determination of α s
The production of jets is studied in deep-inelastic e ± p scattering at large negative four momentum transfer squared 150<Q 2<15000 GeV2 usi...
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Article
Open AccessPrompt photons in photoproduction at HERA
The production of prompt photons is measured in the photoproduction regime of electron–proton scattering at HERA. The analysis is based on a data sample corresponding to a total integrated luminosity of 340 pb−1 ...
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Article
Open AccessJet production in ep collisions at low Q 2 and determination of α s
The production of jets is studied in deep-inelastic e + p scattering at low negative four momentum transfer squared 5<Q 2<100 GeV2 and at in...
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Article
Open AccessMeasurement of leading neutron production in deep-inelastic scattering at HERA
The production of leading neutrons, where the neutron carries a large fraction x L of the incoming proton’s longitudinal momentum, is studied in deep-in...
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Article
Open AccessInelastic production of J/ψ mesons in photoproduction and deep inelastic scattering at HERA
A measurement is presented of inelastic photo- and electroproduction of J/ψ mesons in ep scattering at HERA. The data were recorded with the H1 detector in the period from 2004 to 2007. Single and double differen...
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Article
Open AccessDiffractive dijet photoproduction in ep collisions at HERA
Measurements are presented of single and double-differential dijet cross sections in diffractive photoproduction based on a data sample with an integrated luminosity of 47 pb−1. The events are of the type ep→eXY,...
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Article
Open AccessMeasurement of charm and beauty jets in deep inelastic scattering at HERA
Measurements of cross sections for events with charm and beauty jets in deep inelastic scattering at HERA are presented. Events with jets of transverse energy
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Article
Open AccessSearch for squarks in R-parity violating supersymmetry in ep collisions at HERA
A search for squarks in R-parity violating supersymmetry is performed in e ± p collisions at HERA using the H1 detector. The full data sample taken at a centre-of-m...
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Article
Open AccessMeasurement of the cross section for diffractive deep-inelastic scattering with a leading proton at HERA
The cross section for the diffractive deep-inelastic scattering process ep→eXp is measured, with the leading final state proton detected in the H1 Forward Proton Spectrometer. The data sample covers the range x ...
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Article
Open AccessMeasurement of the inclusive e ± p scattering cross section at high inelasticity y and of the structure function F L
A measurement is presented of the inclusive neutral current e ± p scattering cross section using data collected by the H1 experiment at HERA during the years 2003 t...
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Article
Open AccessMeasurement of D ∗± meson production and determination of \(F_{2}^{c\bar{c}}\) at low Q 2 in deep-inelastic scattering at HERA
Inclusive production of D ∗ mesons in deep-inelastic ep scattering at HERA is studied in the range 5<Q 2<100 GeV2 of the photon virtuality and 0.02<y<0.7 of the ine...
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Article
Open AccessMeasurement of photon production in the very forward direction in deep-inelastic scattering at HERA
The production of photons at very small angles with respect to the proton beam direction is studied in deep-inelastic positron–proton scattering at HERA. The data are taken with the H1 detector in the years 20...
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Article
Open AccessMeasurement of the diffractive longitudinal structure function \(F_{L}^{D}\) at HERA
First measurements are presented of the diffractive cross section σ ep→eXY at centre-of-mass energies
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Article
Open AccessMeasurement of the azimuthal correlation between the most forward jet and the scattered positron in deep-inelastic scattering at HERA
Deep-inelastic positron-proton scattering events at low photon virtuality, Q 2, with a forward jet, produced at small angles with respect to the proton beam, are measured with the H1 detector at H...