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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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123 papers · 1 filter
A Matrix Approach to Numerical Solution of the DGLAP Evolution Equations
Philip G. Ratcliffe
A matrix-based approach to numerical integration of the DGLAP evolution equations is presented. The method arises naturally on discretisation of the Bjorken x variable, a necessary…
A Few Aspects of Heavy Quark Expansion
Nikolai Uraltsev
Two topics in heavy quark expansion are discussed. The heavy quark potential in perturbation theory is reviewed in connection to the problem of the heavy quark mass. The nontrivial…
Test Particle in a Quantum Gas
Bassano Vacchini
A master equation with a Lindblad structure is derived, which describes the interaction of a test particle with a macroscopic system and is expressed in terms of the operator value…
The Superspace WZNW Action for 4D, N=1 Supersymmetric QCD
S. James Gates, Marcus T. Grisaru, Marcia E. Knutt +1
We discuss features of the 4D, N = 1 WZNW term expressed as a function of chiral superfields and defined in a manner appropriate to calculate phenomenological matrix elements.
A measurement of Lorentz Angle of radiation-hard Pixel Sensors
M. Aleppo
Silicon pixel detectors developed to meet LHC requirements were tested in a beam at CERN in the framework of the ATLAS collaboration. The experimental behaviour of irradiated and n…
A Study of the Decay D0->K+pi-
FOCUS Collaboration, Jonathan M. Link
Using a large sample of photoproduced charm mesons from the FOCUS experiment at Fermilab (FNAL-E831), we observe the decay with a signal yield of events…
Measurements of Spatial Resolution of ATLAS Pixel Detectors
T. Lari
Standard as well as irradiated silicon pixel detectors developed for the ATLAS experiment were tested in a beam. Digital and analog resolutions were determined comparing the positi…
Hyperon Beta-Decay Analysis and the Recent KTeV Data
Philip G. Ratcliffe
The analysis of hyperon semi-leptonic decay data is addressed with reference to SU(3) breaking and isospin mixing between Lambda^O and Sigma^O. Various approaches to SU(3) breaking…
Science and Technology of BOREXINO: A Real Time Detector for Low Energy Solar Neutrinos SOLAR NEUTRINOS
Borexino Collaboration, G. Alimonti
BOREXINO, a real-time device for low energy neutrino spectroscopy is nearing completion of construction in the underground laboratories at Gran Sasso, Italy (LNGS). The experiment'…
Search for the Standard Model Higgs boson in e+e- collisions at root(s) up to 202GeV
L3 Collaboration
The Standard Model Higgs boson is searched for in 233.2 pb-1 of data collected by the L3 detector at centre of mass energies from 192 GeV to 202 GeV. These data are consistent with…
Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in e+e- Interactions at root(s)=192-202GeV
L3 Collaboration
A search for the lightest neutral CP-even and the neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 233.2 pb-1 of integrated luminosity co…
A note on regular type 0 solutions and confining gauge theories
F. Bigazzi, L. Girardello, A. Zaffaroni
We discuss some features of the regular supergravity solution for fractional branes on a deformed conifold, recently found by Klebanov-Strassler, mostly adapting it to a type 0 non…
Noncommutative super U(N) Yang-Mills: UV/IR mixing and effective action results at one loop
Daniela Zanon
Noncommutative and supersymmetric Yang-Mills theories with gauge group U(N) are studied here using the background field method and superspace background c…
Solution of the Dyson equation for nucleons in the superfluid phase
J. Terasaki, F. Barranco, R. A. Broglia +2
We investigate the role the interweaving of surface vibrations and nucleon motion has on Cooper pair formation in spherical superfluid nuclei. A quantitative calculation of the sta…
Algebraic Aspects of the Background Field Method
R. Ferrari, M. Picariello, A. Quadri
We discuss some algebraic properties of the background field method. We introduce an extra gauge-fixing term for the background gauge field right at the beginning in the action in…
Uncertainties on Atmospheric Neutrino Flux Calculations
G. Battistoni
The strong evidence of new physics coming from atmospheric neutrino experiments has motivated a series of critical studies to test the robustness of the available flux calculations…
Large N limit of Calogero-Moser models and Conformal Field Theories
M. Cadoni, P. Carta, D. Klemm
We discuss the large N limit of Calogero-Moser models for the classical infinite families of simple Lie algebras A_N, B_N, C_N and D_N. We show that the limit defines two different…
Search for R-parity Violating Decays of Supersymmetric Particles in e+e- Collisions at root(s)=189GeV
L3 Collaboration
A search for chargino, neutralino and scalar lepton pair-production in e+e- collisions at the centre-of-mass energy of 189 GeV is performed under the assumptions that R-parity is n…
The European Photon Imaging Camera on XMM-Newton: The MOS Cameras
M. J. L. Turner, A. Abbey, M. Arnaud
The EPIC focal plane imaging spectrometers on XMM-Newton use CCDs to record the images and spectra of celestial X-ray sources focused by the three X-ray mirrors. There is one camer…
Beam Test of BTeV Pixel Detectors
J. C. Wang, J. A. Appel, M. Artuso +20
The silicon pixel vertex detector is one of the key elements of the BTeV spectrometer. Detector prototypes were tested in a beam at Fermilab. We report here on the measured spatial…
Measurements of the Cross Sections for Open Charm and Beauty Production in gamma gamma Collisions at root(s)=189-202 GeV
L3 Collaboration
The production of c and b quarks in gamma-gamma collisions is studied with the L3 detector at LEP with 410 pb^-1 of data, collected at centre-of-mass energies from 189 GeV to 202 G…
Search for Excited Leptons in e+ e- Interactions at sqrt(s)=192 - 202 GeV
L3 Collaboration
Excited leptons are searched for using the L3 detector at LEP. The data collected at centre-of-mass energies in the range from 192 up to 202 GeV correspond to a total luminosity of…
Higgs Candidates in e+e- Interactions at root(s) = 206.6 GeV
L3 Collaboration
In a search for the Standard Model Higgs boson, carried out on 212.5 pb-1 of data collected by the L3 detector at the highest LEP centre-of-mass energies, including 116.5 pb-1 abov…
The one-loop effective action of noncommutative {\cal N}=4 super Yang-Mills is gauge invariant
Mario Pernici, Alberto Santambrogio, Daniela Zanon
We study the gauge transformation of the recently computed one-loop four-point function of {\cal N}=4 supersymmetric Yang-Mills theory with gauge group U(N). The contributions from…