62 Result(s)
within
J. B. Dainton
Elementary Particles, Quantum Field Theory
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics, Heavy Ions, Hadrons
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Article
Measurement of the inclusive di-jet cross section in photoproduction and determination of an effective parton distribution in the photon
The double-differential inclusive di-jet cross section in photoproduction processes is measured with the H1 detector at HERA. The cross section is determined as a function of the average transverse jet energyE ...
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Article
Diffractive dijet production at HERA
Interactions of the type ep → eXY are studied, where the component X of the hadronic final state contains two jets and is well separated in rapidity from a leading baryonic system Y. Analyses are performed of bot...
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Article
Measurement of charm and beauty dijet cross sections in photoproduction at HERA using the H1 vertex detector
A measurement of charm and beauty dijet photoproduction cross sections at the ep collider HERA is presented. Events are selected with two or more jets of transverse momentum pt jet1(2)>11(8) GeV i...
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Article
Measurement and QCD analysis of the diffractive deep-inelastic scattering cross section at HERA
A detailed analysis is presented of the diffractive deep-inelastic scattering process ep→eXY, where Y is a proton or a low mass proton excitation carrying a fraction 1-xIP>0.95 of the incident proton longitudinal...
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Article
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 analysed cover the range xI...
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Article
Tau lepton production in ep collisions at HERA
The production of tau leptons in ep collisions is investigated using data recorded by the H1 detector at HERA in the period 1994–2000. Tau leptons are identified by detecting their decay products, using lepton...
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Article
Diffractive open charm production in deep-inelastic scattering and photoproduction at HERA
Measurements are presented of diffractive open charm production at HERA. The event topology is given by ep→eXY where the system X contains at least one charmed hadron and is well separated by a large rapidity ...
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Article
Inclusive D*± meson cross sections and D*±-jet correlations in photoproduction at HERA
Differential photoproduction cross sections are measured for events containing D*± mesons. The data were taken with the H1 detector at the ep collider HERA and correspond to an integrated luminosity of 51.1 pb-1....
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Article
Inclusive D*± meson and associated dijet production in deep-inelastic scattering at HERA
Inclusive D*± production is measured in deep-inelastic ep scattering at HERA with the H1 detector. In addition, the production of dijets in events with a D*± meson is investigated. The analysis covers values of p...
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Article
Tests of QCD factorisation in the diffractive production of dijets in deep-inelastic scattering and photoproduction at HERA
Measurements are presented of differential dijet cross sections in diffractive photoproduction (Q2<0.01 GeV2) and deep-inelastic scattering processes (DIS, 4<Q2<80 GeV2). The event topology is given by ep→eXY, in...
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Article
Search for baryonic resonances decaying to Ξπ in deep-inelastic scattering at HERA
A search for narrow baryonic resonances decaying into Ξ-π- or Ξ-π+ and their antiparticles is carried out with the H1 detector using deep inelastic scattering events at HERA in the range of negative photon four-m...
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Article
Search for lepton flavour violation in ep collisions at HERA
A search for the lepton flavour violating processes ep→μX and ep→τX is performed with the H1 experiment at HERA. Final states with a muon or tau and a hadronic jet are searched for in a data sample correspondi...
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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
Measurement of the inclusive ep scattering cross section at low Q2 and x at HERA
A measurement of the inclusive ep scattering cross section is presented in the region of low momentum transfers, 0.2 GeV2 ≤Q 2≤12 GeV2, and low Bjorken x, 5⋅10−6≤x≤0.02. The result is based on two data sets colle...
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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
A precision measurement of the inclusive ep scattering cross section at HERA
A measurement of the inclusive deep inelastic neutral current e + p scattering cross section is reported in the region of four-momentum transfer squared, 12 GeV2≤Q ...
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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 ...
