I. Tsakov

Events with an isolated lepton and missing transverse momentum and measurement of W production at HERA

F. D. Aaron, H. Abramowicz, I. Abt, L. Adamczyk et autres

A search for events containing an isolated electron or muon and missing transverse momentum produced in e ± p collisions is performed with the H1 and ZEUS detectors at HERA.The data were taken in the period 1994-2007 and correspond to an integrated …

ch, ro, il, de, pl, ru, it, ua, me, am, kz, es, fr, mn, ca, gb, rs, us, sk, mx, cz, be (code pays fourni par la source)

Prompt photons in photoproduction at HERA

F. D. Aaron, M. Aldaya Martin, C. Alexa, V. Andreev et autres

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 collected by the H1 experiment. Cross sections are measured …

ro, ru, me, am, fr, mn, rs, gb, de, sk, mx, cz, ch, be, se (code pays fourni par la source)

Measurement of the charm and beauty structure functions using the H1 vertex detector at HERA

F. D. Aaron, M. Aldaya Martin, C. Alexa, K. Alimujiang et autres

Inclusive charm and beauty cross sections are measured in e − p and e + p neutral current collisions at HERA in the kinematic region of photon virtuality 5≤Q 2≤2000 GeV2 and Bjorken scaling variable 0.0002≤x≤0.05. The data were collected with the …

ro, ru, me, am, fr, mn, rs, gb, de, sk, mx, cz, ch, be, se (code pays fourni par la source)

Search for single top quark production at HERA

F. D. Aaron, M. Aldaya Martin, C. Alexa, K. Alimujiang et autres

ro, ru, it, me, am, fr, mn, rs, gb, de, sk, mx, cz, ch, be, uz, se (code pays fourni par la source)

Strangeness production at low Q 2 in deep-inelastic ep scattering at HERA

F. D. Aaron, C. Alexa, V. Andreev, B. Antunović et autres

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-momentum transfer squared of the photon 2<Q 2<100 GeV2 and the …

ro, ru, be, me, am, fr, mn, de, ch, rs, gb, sk, mx, cz, se (code pays fourni par la source)

Inclusive photoproduction of ρ0 , K∗0 and ϕ mesons at HERA

F. D. Aaron, C. Alexa, Vladimir Andreev, B. Antunović et autres

Inclusive non-diffractive photoproduction of ρ ( 770 ) 0 , K ∗ ( 892 ) 0 and ϕ ( 1020 ) mesons is investigated with the H1 detector in ep collisions at HERA. The corresponding average γp centre-of-mass energy is 210 GeV. …

ro, ru, be, it, fr, me, am, mn, de, ch, rs, gb, sk, mx, cz, nl, uz, se (code pays fourni par la source)

Study of charm fragmentation into D * ± mesons in deep-inelastic scattering at HERA

F. D. Aaron, C. Alexa, V. Andreev, B. Antunović et autres

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 functions are extracted for QCD models based on leading order matrix elements and …

ro, ru, be, me, am, fr, mn, de, ch, rs, gb, sk, mx, cz, se (code pays fourni par la source)

Multi-lepton production at high transverse momenta in ep collisions at HERA

F. D. Aaron, C. Alexa, Vladimir Andreev, B. Antunović et autres

Processes leading to a final state with at least two high transverse momentum leptons (electrons or muons) are studied using the full e ± p data sample collected by the H1 experiment at HERA. The data correspond to an integrated luminosity of …

ro, ru, be, me, am, fr, mn, de, ch, rs, gb, sk, mx, cz, uz, se (code pays fourni par la source)

A search for excited neutrinos in e−p collisions at HERA

F. D. Aaron, C. Alexa, V. Andreev, B. Antunović et autres

A search for first generation excited neutrinos is performed using the full e − p data sample collected by the H1 experiment at HERA at a centre-of-mass energy of 319 GeV , corresponding to a total luminosity of 184 pb −1 . …

ro, ru, it, be, me, am, fr, mn, de, ch, rs, sk, mx, cz, gb, nl, uz, se (code pays fourni par la source)

Measurement of isolated photon production in deep-inelastic scattering at HERA

F. D. Aaron, Å. Aktas, C. Alexa, V. Andreev et autres

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 50 GeV. The analysis is based on a total integrated luminosity …

ro, ru, de, be, me, am, fr, mn, ch, rs, sk, mx, cz, gb, se (code pays fourni par la source)

Search for lepton flavour violation in ep collisions at HERA

Å. Aktas, C. Alexa, Vladimir Andreev, T. Anthonis et autres

ru, be, de, me, am, fr, mn, ch, rs, sk, mx, cz, gb, se (code pays fourni par la source)

Charged particle production in high Q2 deep-inelastic scattering at HERA

F. D. Aaron, Å. Aktas, C. Alexa, Vladimir Andreev et autres

ro, ru, de, it, be, me, am, fr, mn, ch, rs, sk, mx, cz, gb, nl, uz, se (code pays fourni par la source)