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19922026
most citedObservation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC

10.9k citations

Showing 2003Show all

70 papers · 1 filter

hep-lat2003★ 102 cited

Study of QCD thermodynamics at finite density by Taylor expansion

Shinji Ejiri, Chris R. Allton, Simon J. Hands +4

We discuss the phase structure and the equation of state for QCD at non-zero temperature and density. Derivatives of with respect to quark chemical potential up to fo…

hep-ex2003★ 23 cited

W Boson Polarisation at LEP2

The OPAL collaboration, G. Abbiendi

Elements of the spin density matrix for W bosons in e+e- -> W+W- -> qqln events are measured from data recorded by the OPAL detector at LEP. This information is used calculate pola…

hep-ex2003★ 6 cited

Measurement of the partial widths of the Z into up- and down-type quarks

The OPAL collaboration, G. Abbiendi

Using the entire OPAL LEP1 on-peak Z hadronic decay sample, Z -> qbarq gamma decays were selected by tagging hadronic final states with isolated photon candidates in the electromag…

astro-ph2003★ 92 cited

Large scale cosmic-ray anisotropy with KASCADE

T. Antoni

The results of an analysis of the large scale anisotropy of cosmic rays in the PeV range are presented. The Rayleigh formalism is applied to the right ascension distribution of ext…

hep-lat2003★ 70 cited

Transverse Structure of Nucleon Parton Distributions from Lattice QCD

LHPC, SESAM Collaborations, : +6

This work presents the first calculation in lattice QCD of three moments of spin-averaged and spin-polarized generalized parton distributions in the proton. It is shown that the sl…

hep-ph2003★ 77 cited

Theoretical uncertainties on alpha_s from event-shape variables in e+e- annihilations

Roger W. L. Jones, Matthew Ford, Gavin P. Salam +2

The precision of measurements of the strong coupling constant using event-shape variables in e+e- annihilations is limited by theoretical systematic uncertainties. The uncertaintie…

hep-lat2003★ 3 cited

Recent development and perspectives of machines for lattice QCD

Thomas Lippert

I highlight recent progress in cluster computer technology and assess status and prospects of cluster computers for lattice QCD with respect to the development of QCDOC and apeNEXT…

hep-lat2003★ 109 cited

Dynamical overlap fermions, results with hybrid Monte-Carlo algorithm

Z. Fodor, S. D. Katz, K. K. Szabo

We present first, exploratory results of a hybrid Monte-Carlo algorithm for dynamical, n_f=2, four-dimensional QCD with overlap fermions. As expected, the computational requirement…

hep-ex2003★ 23 cited

Muon Pair Production in ep Collisions at HERA

H1 Collaboration

Cross sections for the production of two isolated muons up to high di-muon masses are measured in ep collisions at HERA with the H1 detector in a data sample corresponding to an in…

cond-mat.stat-mech2003

Functional Equations and Fusion Matrices for the Eight Vertex Model

Klaus Fabricius, Barry M. McCoy

We derive sets of functional equations for the eight vertex model by exploiting an analogy with the functional equations of the chiral Potts model. From these equations we show tha…

cond-mat2003★ 2 cited

Charge density plateaux and insulating phases in the model with ladder geometry

A. Fledderjohann, A. Langari, K. -H. Muetter

We discuss the occurrence and the stability of charge density plateaux in ladder-like systems (at zero magnetization M=0) for the cases of 2- and 3-leg ladders. Starting from…

hep-ex2003★ 22 cited

A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons

The DELPHI Collaboration, J. Abdallah

The production fractions of charged and neutral b-hadrons in b-quark events from Z0 decays have been measured with the DELPHI detector at LEP. An algorithm has been developed, base…

hep-ph2003

The handbag mechanism in wide-angle exclusive reactions

P. Kroll

The handbag mechanism for wide-angle exclusive scattering reactions is discussed and compared with other theoretical approaches. Its application to Compton scattering, meson photop…

hep-ph2003★ 2 cited

The gluon contents of the eta and eta' mesons

P. Kroll

It is reported on a leading-twist analysis of the eta - photon and eta' - photon transition form factors. The analysis allows for an estimate of the lowest Gegenbauer coefficients…

hep-ex2003

Distributed Computing Concepts in D0

Daniel Wicke

The D0 experiment faces many challenges enabling access to large datasets for physicists on four continents. The new concepts for distributed large scale computing implemented in D…

hep-ph2003

Strongly interacting neutrinos as the highest energy cosmic rays

Z. Fodor, S. D. Katz, A. Ringwald +1

We show that all features of the ultrahigh energy cosmic ray spectrum from 10^{17} eV to 10^{21} eV can be described with a simple power-like injection spectrum of protons under th…

astro-ph2003★ 81 cited

Search for extraterrestrial point sources of neutrinos with AMANDA-II

AMANDA Collaboration, J. Ahrens

We present the results of a search for point sources of high energy neutrinos in the northern hemisphere using AMANDA-II data collected in the year 2000. Included are flux limits o…

hep-ex2003★ 13 cited

Measurement of Inclusive f_1(1285) and f_1(1420) Production in Z Decays with the DELPHI Detector

The DELPHI Collaboration, J. Abdallah

DELPHI results are presented on the inclusive production of two (K Kbar pi)^0 states in the mass region 1.2-1.6 GeV/c^2 in hadronic Z decays at LEP I. The measured masses (widths)…

hep-ph2003★ 64 cited

Bounds on the cosmogenic neutrino flux

Z. Fodor, S. D. Katz, A. Ringwald +1

Under the assumption that some part of the observed highest energy cosmic rays consists of protons originating from cosmological distances, we derive bounds on the associated flux…

hep-lat2003★ 9 cited

Volume dependence of light hadron masses in full lattice QCD

B. Orth, T. Lippert, K. Schilling

The aim of the GRAL project is to simulate full QCD with standard Wilson fermions at light quark masses on small to medium-sized lattices and to obtain infinite-volume results by e…

hep-lat2003★ 6 cited

Insight into nucleon structure from generalized parton distributions

LHPC Collaboration, SESAM Collaboration, J. W. Negele +11

The lowest three moments of generalized parton distributions are calculated in full QCD and provide new insight into the behavior of nucleon electromagnetic form factors, the origi…

hep-lat2003★ 17 cited

Moments of nucleon spin-dependent generalized parton distributions

W. Schroers, R. C. Brower, P. Dreher +10

We present a lattice measurement of the first two moments of the spin-dependent GPD H-tilde(x,xi,t). From these we obtain the axial coupling constant and the second moment of the s…

hep-lat2003★ 3 cited

transition form factors in Quenched and QCD

C. Alexandrou, Ph. de Forcrand, Th. Lippert +5

Calculations of the magnetic dipole, electric quadrupole and Coulomb quadrupole amplitudes for the transition are presented both in quenched QCD and with two flavours of…

cond-mat.str-el2003★ 14 cited

Spectrum and transition rates of the XX chain analyzed via Bethe ansatz

Daniel Biegel, Michael Karbach, Gerhard Muller +1

As part of a study that investigates the dynamics of the s=1/2 XXZ model in the planar regime |Delta|<1, we discuss the singular nature of the Bethe ansatz equations for the case D…