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19912026
most citedPlanck 2015 results. XIII. Cosmological parameters

10.6k citations

Showing 2008 · hep-exShow all

15 papers · 2 filters

hep-ex2008★ 67 cited

Measurement of the Slope Parameter for the decay with the Crystal Ball detector at the Mainz Microtron (MAMI-C)

S. Prakhov, B. M. K. Nefkens, P. Aguar-Bartolome +68

The dynamics of the decay have been studied with the Crystal Ball multiphoton spectrometer and the TAPS calorimeter. Bremsstrahlung photons produced by the 1.5-GeV elec…

hep-ex2008★ 7 cited

Strangeness Production at low Q^2 in Deep-Inelastic ep Scattering at HERA

H1 Collaboration

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…

hep-ex2008★ 10 cited

Measurement of Diffractive Scattering of Photons with Large Momentum Transfer at HERA

H1 Collaboration

The first measurement of diffractive scattering of quasi-real photons with large momentum transfer gamma p -> gamma Y, where Y is the proton dissociative system, is made using the…

hep-ex2008★ 35 cited

Study of Charm Fragmentation into D^{*\pm} Mesons in Deep-Inelastic Scattering at HERA

H1 Collaboration

The process of charm quark fragmentation is studied using meson production in deep-inelastic scattering as measured by the H1 detector at HERA. Two different regions of…

hep-ex2008★ 45 cited

Production of the Charmonium States chic_1 and chic_2 in Proton Nucleus Interactions at sqrt{s} = 41.6 GeV

B Collaboration

A measurement of the ratio R_chic = (chic -> Jpsi + gam)/ Jpsi in pC, pTi and pW interactions at 920 GeV/c (sqrt{s}=41.6 GeV) in the Feynman-x range -0.35 < x_F(Jpsi) < 0.15 is pre…

hep-ex2008★ 65 cited

Search for active neutrino disappearance using neutral-current interactions in the MINOS long-baseline experiment

P. Adamson

We report the first detailed comparisons of the rates and spectra of neutral-current neutrino interactions at two widely separated locations. A depletion in the rate at the far sit…

hep-ex2008★ 21 cited

Multi-Lepton Production at High Transverse Momenta in ep Collisions at HERA

H1 Collaboration

Processes leading to a final state with at least two high transverse momentum leptons (electrons or muons) are studied using the full ep data sample collected by the H1 experiment…

hep-ex2008★ 339 cited

Measurement of Neutrino Oscillations with the MINOS Detectors in the NuMI Beam

MINOS Collaboration

This letter reports new results from the MINOS experiment based on a two-year exposure to muon neutrinos from the Fermilab NuMI beam. Our data are consistent with quantum mechanica…

hep-ex2008★ 110 cited

Measurement of the Proton Structure Function F_L at Low x

H1 Collaboration

A first measurement is reported of the longitudinal proton structure function F_L(x,Q^2) at the ep collider HERA. It is based on inclusive deep inelastic e^+p scattering cross sect…

hep-ex2008★ 26 cited

Search for Excited Electrons in ep Collisions at HERA

H1 Collaboration

A search for excited electrons is performed using the full data sample collected by the H1 experiment at HERA, corresponding to a total luminosity of 475 pb. The…

hep-ex2008★ 52 cited

Large-angle production of charged pions with 3-12.9 GeV/c incident protons on nuclear targets

HARP Collaboration

Measurements of the double-differential charged pion production cross-section in the range of momentum 100 MeV/c < p < 800 MeV/c and angle 0.35 < θ< 2.15 rad in proton-beryllium, p…

hep-ex2008★ 134 cited

Measurement of Parton Distributions of Strange Quarks in the Nucleon from Charged-Kaon Production in Deep-Inelastic Scattering on the Deuteron

HERMES Collaboration, A. Airapetian

The momentum and helicity density distributions of the strange quark sea in the nucleon are obtained in leading order from charged-kaon production in deep-inelastic scattering on t…

hep-ex2008★ 16 cited

A Search for Excited Neutrinos in e-p Collisions at HERA

H1 Collaboration

A search for excited neutrinos is performed using the full data sample collected by the H1 experiment at HERA at a centre-of-mass energy of 319 GeV, corresponding to a tot…

hep-ex2008★ 83 cited

Measurement of Azimuthal Asymmetries With Respect To Both Beam Charge and Transverse Target Polarization in Exclusive Electroproduction of Real Photons

HERMES Collaboration, A. Airapetian

Azimuthal asymmetries in exclusive electroproduction of real photons are measured for the first time with respect to transverse target polarisation, providing new constraints on Ge…

hep-ex2008★ 256 cited

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

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

The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons on a transversely polarised 6LiD target at COM…