14.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of PaduaIT5.1k papers
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- Istituto Nazionale di Fisica Nucleare, Sezione di BariIT2.5k papers
- European Organization for Nuclear ResearchCH2.5k papers
- Massachusetts Institute of TechnologyUS2.5k papers
69 papers · 1 filter
First Measurement of the Ratio B(t-->Wb)/B(t-->Wq) and Associated Limit on the CKM Element Vtb
CDF Collaboration
We present the first measurement of the ratio of branching fraction R= B(t-->wb)/B(t-->Wq) from ppbar collisions at sqrt(s)=1.8 TeV. The data set corresponds to 109 pb-1 of data re…
Measurement of the Two-Jet Differential Cross Section in proton-antiproton Collisions at sqrt{s} = 1800 GeV
CDF Collaboration
A measurement is presented of the two-jet differential cross section, d^3σ/dE_T dη_1 dη_2, at center of mass energy sqrt{s} = 1800 GeV in proton-antiproton collisions. The results…
Integrability, Seiberg-Witten Models and Picard-Fuchs Equations
Jose M. Isidro
Expanded version of the author's contribution to the Concise Encyclopaedia of Supersymmetry, eds. J. Bagger, S. Duplij and W. Siegel
An Order Parameter Reconciling Abelian and Center Dominance in SU(2) Yang-Mills Theory
J. Froehlich, P. A. Marchetti
We analyze previously proposed order parameters for the confinement - deconfinement transition in lattice SU(2) Yang-Mills theory, defined as vacuum expectation value (v.e.v.) of m…
The Power of Confidence Intervals
C. Giunti, M. Laveder
We consider the power to reject false values of the parameter in Frequentist methods for the calculation of confidence intervals. We connect the power with the physical significanc…
Geometrical aspects of superbrane dynamics
Paolo Pasti, Dmitri Sorokin, Mario Tonin
The geometrical (superembedding) approach is used as a tool for deriving from the worldvolume dynamics of superbranes field theoretical models exhibiting partial supersymmetry brea…
Analytic model of Regge trajectories
R. Fiore, L. L. Jenkovszky, V. Magas +2
A model for a Regge trajectory compatible with the threshold behavior required by unitarity and asymptotics in agreement with analyticity constraints is given in explicit form. The…
Search for the Supersymmetric Partner of the Top-Quark in Collisions at
CDF Collaboration
We report on a search for the supersymmetric partner of the top quark (stop) produced in events using of collisions at $\sqrt{s} = 1.8 {…
Wideband dual sphere detector of gravitational waves
M. Cerdonio, L. Conti, J. A. Lobo +3
We present the concept of a sensitive AND broadband resonant mass gravitational wave detector. A massive sphere is suspended inside a second hollow one. Short, high-finesse Fabry-P…
Spin-statistics transmutation in relativistic quantum field theories of dyons
K. Lechner, P. A. Marchetti
We analyse spin and statistics of quantum dyon fields, i.e. fields carrying both electric and magnetic charge, in 3+1 space-time dimensions. It has been shown long time ago that, a…
Topology in full QCD with 2 colours at finite temperature and density
B. Alles, M. D'Elia, M. P. Lombardo +1
We present preliminary results about topology and several other quantities at non-zero baryon density and finite temperature in full QCD with N_c=2.
Search for Neutral Supersymmetric Higgs Bosons in Collisions at TeV
CDF collaboration
We present the results of a search for neutral Higgs bosons produced in association with quarks in final states with pb$…
The flavor of neutrinos in muon decays at a neutrino factory and the LSND puzzle
A. Bueno, M. Campanelli, M. Laveder +2
The accurate prediction of the neutrino beam produced in muon decays and the absence of opposite helicity contamination for a particular neutrino flavor make a future neutrino fact…
Finite sum of gluon ladders and high energy cross sections
R. Fiore, L. L. Jenkovszky, E. A. Kuraev +3
A model for the Pomeron at is suggested. It is based on the idea of a finite sum of ladder diagrams in QCD. Accordingly, the number of -channel gluon rungs and correspondi…
Large nu_mu->nu_tau and nu_e->nu_tau transitions in short-baseline experiments?
C. Giunti, M. Laveder
Considering four-neutrino schemes of type 3+1, we identify four small regions of the neutrino mixing parameter space compatible with all data. Assuming a small mixing between the s…
Dirac and Gor'kov spectra in two color QCD with chemical potential
Elmar Bittner, Maria-Paola Lombardo, Harald Markum +1
We analyze the eigenvalue spectrum of the staggered Dirac matrix in two-color QCD at nonzero baryon density when the eigenvalues become complex. The quasi-zero modes and their role…
A search for resonance decays to antineutrino-jet in e^+p scattering at HERA
ZEUS Collaboration, J. Breitweg
A study of the antineutrino-jet mass spectrum in e^+p -> antineutrino+X events at center-of-mass energy 300 GeV has been performed with the ZEUS detector at HERA using an integrate…
On the Triviality of Textbook Quantum Electrodynamics
S. Kim, J. B. Kogut, M. -P. Lombardo
By adding a small, irrelevant four fermi interaction to the action of lattice Quantum Electrodynamics (QED), the theory can be simulated with massless quarks in a vacuum free of la…
On the Structure of Noncommutative N=2 Super Yang-Mills Theory
Diego Bellisai, Jose' M. Isidro, Marco Matone
We show that the recently proposed formulation of noncommutative N=2 Super Yang-Mills theory implies that the commutative and noncommutative effective coupling constants τ(u) and τ…
Eigenvalues of the QCD Dirac operator at finite temperature and density
Elmar Bittner, Maria-Paola Lombardo, Harald Markum +1
We investigate the eigenvalue spectrum of the staggered Dirac matrix in two-color QCD at nonzero temperature and at baryon density when the eigenvalues become complex. The quasi-ze…
Sub-barrier fusion of drip-line nuclei
K. Hagino, A. Vitturi
We discuss the role of break-up process of a loosely-bound projectile in subbarrier fusion reactions. Coupled-channels calculations are carried out for Be + Pb and $…
B -> X_s gamma in supersymmetry: large contributions beyond the leading order
G. Degrassi, P. Gambino, G. F. Giudice
We discuss possible large contributions to B -> X_s gamma, which can occur at the next-to-leading order in supersymmetric models. They can originate from terms enhanced by tan(beta…
Boltzmann Suppression of Interacting Heavy Particles
Patrizia Bucci, Massimo Pietroni
Matsumoto and Yoshimura have recently argued that the number density of heavy particles in a thermal bath is not necessarily Boltzmann-suppressed for T << M, as power law correctio…
Thermoelastic effects at low temperatures and quantum limits in displacement measurements
M. Cerdonio, L. Conti, A. Heidmann +1
The displacement fluctuations of mirrors in optomechanical devices, induced via thermal expansion by temperature fluctuations due either to thermodynamic fluctuations or to fluctua…