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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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108 papers · 1 filter
One-Loop QCD Spin Chain and its Spectrum
N. Beisert, G. Ferretti, R. Heise +1
We study the renormalization of gauge invariant operators in large Nc QCD. We compute the complete matrix of anomalous dimensions to leading order in the 't Hooft coupling and stud…
Lieb-Thirring inequalities for higher order differential operators
Clemens Förster, Jörgen Östensson
We derive Lieb-Thirring inequalities for the Riesz means of eigenvalues of order gamma >= 3/4 for fourth order Schrödinger operators in arbitrary dimensions. We also consider some…
Search for extraterrestrial point sources of high energy neutrinos with AMANDA-II using data collected in 2000-2002
The AMANDA Collaboration, M. Ackermann
The results of a search for point sources of high energy neutrinos in the northern hemisphere using data collected by AMANDA-II in the years 2000, 2001 and 2002 are presented. In p…
Momentum selectivity and anisotropy effects in the nitrogen K-edge resonant inelastic X-ray scattering from GaN
V. N. Strocov, T. Schmitt, J. -E. Rubensson +3
High-resolution soft X-ray emission and absorption spectra near the N K-edge of wurtzite GaN are presented. The experimental data are interpreted in terms of band structure based f…
Measurement of the Absolute np Scattering Differential Cross Section at 194 MeV
M. Sarsour, T. Peterson, M. Planinic +19
We describe a double-scattering experiment with a novel tagged neutron beam to measure differential cross sections for np back-scattering to better than 2% absolute precision. The…
Quasi-free production of the eta and eta-prime mesons in nucleon-nucleon collisions
J. Stepaniak, H. Calen
Some aspects of the quasi-free production of mesons in the near threshold region are discussed. A method of data analysis used by WASA/PROMICE Collaboration to extract the excitati…
The starburst phenomenon from the optical/near-IR perspective
Nils Bergvall, Thomas Marquart, Göran Östlin +1
The optical/near-IR stellar continuum carries unique information about the stellar population in a galaxy, its mass function and star-formation history. Star-forming regions displa…
Robustness of the adiabatic quantum search
Johan Åberg, David Kult, Erik Sjöqvist
The robustness of the local adiabatic quantum search to decoherence in the instantaneous eigenbasis of the search Hamiltonian is examined. We demonstrate that the asymptotic time-c…
Force generation in small ensembles of Brownian motors
Martin Linden, Tomi Tuohimaa, Ann-Beth Jonsson +1
The motility of certain gram-negative bacteria is mediated by retraction of type IV pili surface filaments, which are essential for infectivity. The retraction is powered by a stro…
Comment on "Mn Interstitial Diffusion in (Ga,Mn)As"
M. Adell, J. Kanski, L. Ilver +2
The magnetic and transport properties of (GaMn)As are known to be influenced by postgrowth annealing, and it is generally accepted that these modifications are due to outdiffusion…
A Search for Anomalous Heavy-Flavor Quark Production in Association with W Bosons
D0 Collaboration, V. M. Abazov
We present a search for anomalous production of heavy-flavor quark jets in association with a W boson at the Fermilab Tevatron ppbar Collider. This search is conducted through an e…
Transplanckian energy production and slow roll inflation
Ulf H. Danielsson
In this paper we investigate how the energy density due to a non-standard choice of initial vacuum affects the expansion of the universe during inflation. To do this we introduce s…
Proposal for the Wide Angle Shower Apparatus (WASA) at COSY-Juelich - "WASA at COSY"
COSY Collaboration, B. Hoistad, J. Ritman
This document describes the physics case, the key experiments proposed and the technical solution for the project "WASA at COSY", which concerns the transfer of the WASA pellet-tar…
Kondo resonance for orbitally degenerate systems
A. K. Zhuravlev, V. Yu. Irkhin, M. I. Katsnelson +1
Formation of the Kondo state in general two-band Anderson model has been investigated within the numerical renormalization group (NRG) calculations. The Abrikosov-Suhl resonance is…
Analyzing Powers and Spin Correlation Coefficients for p+d Elastic Scattering at 135 and 200 MeV
B. v. Przewoski, H. O. Meyer, J. T. Balewski +16
The proton and deuteron analyzing powers and 10 of the possible 12 spin correlation coefficients have been measured for p+d elastic scattering at proton bombarding energies of 135…
Interpretations of gamma-ray burst spectroscopy. II. Bright BATSE bursts
Felix Ryde, Dan Kocevski, Zsolt Bagoly +2
We analyze the spectral lags of a sample of bright gamma-ray burst pulses observed by CGRO BATSE and compare these with the results of high-resolution spectroscopical investigation…
Spin and Isospin Effects in the NN -> NK Lambda Reaction Near Threshold
Goran Faldt, Colin Wilkin
The spin and isospin structure of the amplitudes and observables for K+Lambda production in nucleon-nucleon collisions in the near-threshold region is analysed. It is shown that, w…
Matrix models, 4D black holes and topological strings on non-compact Calabi-Yau manifolds
Ulf H. Danielsson, Martin E. Olsson, Marcel Vonk
We study the relation between c=1 matrix models at self-dual radii and topological strings on non-compact Calabi-Yau manifolds. In particular the special case of the deformed matri…
Koszul duality for extension algebras of standard modules
Yuriy Drozd, Volodymyr Mazorchuk
We define and investigate a class of Koszul quasi-hereditary algebras for which there is a natural equivalence between the bounded derived category of graded modules and the bounde…
Semiclassical Bethe Ansatz and AdS/CFT
K. Zarembo
The Bethe ansatz can be used to compute anomalous dimensions in N=4 SYM theory. The classical solutions of the sigma-model on AdS(5)xS(5) can also be parameterized by an integral e…
Generalized Kahler geometry and manifest N=(2,2) supersymmetric nonlinear sigma-models
Ulf Lindstrom, Martin Rocek, Rikard von Unge +1
Generalized complex geometry is a new mathematical framework that is useful for describing the target space of N=(2,2) nonlinear sigma-models. The most direct relation is obtained…
The Zeeman-sensitive emission lines of Mg I at 12 micron in Procyon
Nils Ryde, Andreas Korn, Matthew Richter +1
Emission-lines of magnesium at 12 microns have been observed in the spectrum of Procyon. We reproduce the observed, disk-averaged line flux from Procyon (as well as the observed in…
A Measurement of the Ratio of Inclusive Cross Sections pp->Z+b-jet/pp->Z+jet at sqrt(s) = 1.96-TeV
D0 Collaboration, V. M. Abazov
Using the data collected with the DZero detector at sqrt(s)=1.96-TeV, for integrated luminosities of about 180 pb^{-1}, we have measured the ratio of inclusive cross sections for p…
Measurement of the WW production cross section in p anti-p collisions at s**(1/2) = 1.96 TeV
D0 Collaboration, V. M. Abazov
We present a measurement of the W boson pair-production cross section in p anti-p collisions at a center-of-mass energy of sqrt{s}=1.96 TeV. The data, collected with the Run II DO…