10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR2k papers
- European Organization for Nuclear ResearchCH2k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT1.9k papers
- University of EdinburghGB1.9k papers
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159 papers · 1 filter
Properties of Foreshocks and Aftershocks of the Non-Conservative SOC Olami-Feder-Christensen Model: Triggered or Critical Earthquakes?
A. Helmstetter, S. Hergarten, D. Sornette
Following Hergarten and Neugebauer [2002] who discovered aftershock and foreshock sequences in the Olami-Feder-Christensen (OFC) discrete block-spring earthquake model, we investig…
The energy operator for infinite statistics
Sonia Stanciu
We construct the energy operator for particles obeying infinite statistics defined by a q-deformation of the Heisenberg algebra. (This paper appeared published in CMP in 1992, but…
Generalized reduction criterion for separability of quantum states
S. Albeverio, K. Chen, S. M. Fei
A new necessary separability criterion that relates the structures of the total density matrix and its reductions is given. The method used is based on the realignment method [K. C…
New Results on DEPFET Pixel Detectors for Radiation Imaging and High Energy Particle Detection
N. Wermes, L. Andricek, P. Fischer +19
DEPFET pixel detectors are unique devices in terms of energy and spatial resolution because very low noise (ENC = 2.2e at room temperature) operation can be obtained by implementin…
Bose-Einstein correlations in one and two dimensions in deep inelastic scattering
ZEUS Collaboration
Bose-Einstein correlations in one and two dimensions have been studied in deep inelastic EP scattering events measured with the ZEUS detector at HERA using an integrated luminosity…
Isolated tau leptons in events with large missing transverse momentum at HERA
ZEUS collaboration
A search for events containing isolated tau leptons and large missing transverse momentum, not originating from the tau decay, has been performed with the ZEUS detector at the elec…
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…
Nuclear Forces and Few-Nucleon Studies Based on Chiral Perturbation Theory
W. Gloeckle, E. Epelbaum, U. G. Meissner +3
After a brief review on the status of few--nucleon studies based on conventional nuclear forces, we sketch the concepts of the effective field theory approach constrained by chiral…
Operator Product Expansion and Zero Mode Structure in Logarithmic CFT
Michael Flohr, Marco Krohn
The generic structure of 1-, 2- and 3-point functions of fields residing in indecomposable representations of arbitrary rank are given. These in turn determine the structure of the…
Integrable Model of Boundary Interaction: The Paperclip
S. L. Lukyanov, E. S. Vitchev, A. B. Zamolodchikov
We consider a model of 2D quantum field theory on a disk, whose bulk dynamics is that of a two-component free massless Bose field (X,Y), and interaction occurs at the boundary, whe…
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…
Flavour independent search for Higgs bosons decaying into hadronic final states in e+e- collisions
The OPAL collaboration, G. Abbiendi
A search for the Higgsstrahlung process e+e- -> hZ is described, where the neutral Higgs boson h is assumed to decay into hadronic final states. In order to be sensitive to a broad…
Single Photon Counting X-ray Imaging with Si and CdTe Single Chip Pixel Detectors and Multichip Pixel Modules
Peter Fischer, Sven Krimmel, Hans Krueger +5
Multichip modules (MCM) with 4 single photon counting MPEC 2.3 chips bump bonded to 1.3 cm x 1.3 cm large CdTe and Si semiconductor sensors as well as to single chip pixel detector…
Schrödinger operators on lattices. The Efimov effect and discrete spectrum asymptotics
Sergio Albeverio, Saidakhmat N. Lakaev, Zahriddin I. Muminov
The Hamiltonian of a system of three quantum mechanical particles moving on the three-dimensional lattice and interacting via zero-range attractive potentials is considered.…
Weak lensing mass reconstruction of the interacting cluster 1E0657-558: Direct evidence for the existence of dark matter
Douglas Clowe, Anthony Gonzalez, Maxim Markevitch
We present a weak lensing mass reconstruction of the interacting cluster 1E0657-558 in which we detect both the main cluster and a sub-cluster. The sub-cluster is identified as a s…
Dynamical Generation of Hyperon Resonances
A. Ramos, E. Oset, C. Bennhold +2
In this talk we report on how, using a chiral unitary approach for the meson--baryon interactions, two octets of baryon states and a singlet are generated dynamically,…
Intermediate scale structure of the interstellar medium towards NGC 6231 in Sco OB1 with FUSE
O. Marggraf, H. Bluhm, K. S. de Boer
The FUSE far-ultraviolet interstellar spectra toward seven targets in NGC 6231 show that the molecules H_2, HD, and CO as well as various atomic species are distributed in several…
Updated dispersion-theoretical analysis of the nucleon electromagnetic form factors
H. -W. Hammer, Ulf-G. Meißner
In the light of the new data on the various neutron and proton electromagnetic form factors taken in recent years, we update the dispersion-theoretical analysis of the nucleon elec…
Anomalous Flavor U(1)_X for Everything
Herbi K. Dreiner, Hitoshi Murayama, Marc Thormeier
We present an ambitious model of flavor, based on an anomalous U(1)_X gauge symmetry with one flavon, only two right-handed neutrinos and only two mass scales: M_{grav} and m_{3/2}…
Mass Segregation in Young Magellanic Clouds Star Clusters: Four Clusters observed with HST
D. Gouliermis, S. C. Keller, M. Kontizas +2
We present the results of our investigation on the phenomenon of mass segregation in young star clusters in the Magellanic Clouds. HST/WFPC2 observations on NGC 1818, NGC 2004 & NG…
Localized tadpoles and anomalies in 6D orbifolds
Hyun Min Lee
In this talk, we review the instability due to radiatively induced FI tadpoles in supersymmetric gauge theories on orbifolds in six dimensions. Even with the localized…
High-angular resolution HC_3N and CS observations of the dense core in the cirrus cloud MCLD123.5+24.9
C. Boettner, A. Heithausen, F. Walter
We report on high-angular resolution observations of a dense core in the cirrus cloud MCLD123.5+24.9 obtained with the PdB and the OVRO interferometers. Our maps show substructures…
The modified XXZ Heisenberg chain, conformal invariance, surface exponents of c<1 systems, and hidden symmetries of the finite chains
Uwe Grimm, Vladimir Rittenberg
The spin-1/2 XXZ Heisenberg chain with two types of boundary terms is considered. For the first type, the Hamiltonian is hermitian but not for the second type which includes the U_…
Chiral Perturbation Theory in a Nuclear Background
L. Girlanda, A. Rusetsky, W. Weise
We propose a novel way to formulate Chiral Perturbation Theory in a nuclear background, characterized by a static, non-uniform distribution of the baryon number that describes the…