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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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- The Ohio State UniversityUS2.1k papers
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98 papers · 1 filter
in Technicolor with Scalars
Yumian Su
We compute the flavor changing neutral current process in technicolor models with scalars. We find that the branching ratio can be enhanced relative to that of…
Instabilities and disorder of the domain patterns in the systems with competing interactions
C. B. Muratov
The dynamics of the domains is studied in a two-dimensional model of the microphase separation of diblock copolymers in the vicinity of the transition. A criterion for the validity…
The Identification of EGRET Sources with Flat-Spectrum Radio Sources
J. R. Mattox, J. Schachter, L. Molnar +2
We present a method to assess the reliability of the identification of EGRET sources with extragalactic radio sources. We verify that EGRET is detecting the blazar class of AGN. Ho…
Order Parameter and Scaling Fields in Self-Organized Criticality
Alessandro Vespignani, Stefano Zapperi
We present a unified dynamical mean-field theory for stochastic self-organized critical models. We use a single site approximation and we include the details of different models by…
QCDF90: Lattice QCD with Fortran 90
I. Dasgupta, A. R. Levi, V. Lubicz +1
We have used Fortran 90 to implement lattice QCD. We have designed a set of machine independent modules that define fields (gauge, fermions, scalars, etc...) and overloaded operato…
Search for Diphoton Events with Large Missing Transverse Energy in proton-antiproton collisions at sqrt(s) = 1.8 TeV
S. Abachi
A search for signals of new physics has been carried out in the channel p pbar -> gamma gamma + ETmiss. This signature is expected in various recently proposed supersymmetric (SUSY…
Search for Top Squark Pair Production in the Dielectron Channel
D0 Collaboration, S. Abachi
This report describes the first search for top squark pair production in the channel stop_1 stopbar_1 -> b bbar chargino_1 chargino_1 -> ee+jets+MEt using 74.9 +- 8.9 pb^-1 of data…
First-Order Transition in the Breakdown of Disordered Media
Stefano Zapperi, Purusattam Ray, H. Eugene Stanley +1
We study the approach to global breakdown in disordered media driven by increasing external forces. We first analyze the problem by mean-field theory, showing that the failure proc…
Perfect Lattice Actions for Staggered Fermions
W. Bietenholz, R. Brower, S. Chandrasekharan +1
We construct a perfect lattice action for staggered fermions by blocking from the continuum. The locality, spectrum and pressure of such perfect staggered fermions are discussed. W…
A Comment on the Zero Temperature Chiral Phase Transition in Gauge Theories
R. Sekhar Chivukula
Recently Appelquist, Terning, and Wijewardhana investigated the zero temperature chiral phase transition in SU(N) gauge theory as the number of fermions N_f is varied. They argued…
Limits on Anomalous Couplings from Events at TeV
The DZero Collaboration, S. Abachi
We have measured the gauge boson coupling parameters using () events at TeV. The data, corresponding to an integrated luminosi…
Slowly Divergent Drift in the Field-Driven Lorentz Gas
P. L. Krapivsky, S. Redner
The dynamics of a point charged particle which is driven by a uniform external electric field and moves in a medium of elastic scatterers is investigated. Using rudimentary approac…
Critical properties and monopoles in U(1) lattice gauge theory
W. Kerler, C. Rebbi, A. Weber
We present a detailed study of the properties of the phase transition in the four-dimensional compact U(1) lattice gauge theory supplemented by a monopole term, for values of the m…
Confinement in N=1 SUSY Gauge Theories and Model Building Tools
Csaba Csaki, Martin Schmaltz, Witold Skiba
We develop a systematic approach to confinement in N=1 supersymmetric theories. We identify simple necessary conditions for theories to confine without chiral symmetry breaking and…
Lattice Formulation of the Standard Model
Michael Creutz, Michel Tytgat, Claudio Rebbi +1
Combining the Kaplan surface mode approach for chiral fermions with added terms motivated by Eichten and Preskill suggests the possibility for a lattice regularization of the stand…
An Improved Measurement of the Left-Right Z0 Cross Section Asymmetry
SLD Collaboration, K. Abe, I. Abt et al
We present a new measurement of the left-right cross section asymmetry (ALR) for Z boson production by e+e- collisions. The measurement was performed at a center-of-mass energy of…
Top Decay in Topcolor-Assisted Technicolor
B. Balaji
Conventional technicolor models with light charged technipions () lead to an unacceptably large contribution to $t\ra {π^+_T} b$ decay rate. Topcolor-assisted technicol…
The strong CP problem versus Planck scale physics
Bogdan A. Dobrescu
We discuss conditions that should be satisfied by axion models for solving the strong CP problem. It has been observed that Planck scale effects may render the axion models ineffec…
A Systematic Approach to Confinement in N=1 Supersymmetric Gauge Theories
Csaba Csaki, Martin Schmaltz, Witold Skiba
We give necessary criteria for N=1 supersymmetric theories to be in a smoothly confining phase without chiral symmetry breaking and with a dynamically generated superpotential. Usi…
Signals of Dynamical Supersymmetry Breaking in a Hidden Sector
B. A. Dobrescu, S. Mrenna
If supersymmetry is dynamically broken in a hidden sector, the gauginos typically have unacceptably small masses. This situation can be corrected if a non-Abelian gauge interaction…
An Intense Gamma-Ray Flare of PKS1622-297
J. R. Mattox, S. J. Wagner, M. Malkan +5
We report the observation by the Compton Gamma Ray Observatory of a spectacular flare of radio source PKS 1622-297. A peak flux of 17E-6 cm^-2 s^-1 (E > 100 MeV) was observed. The…
Estimating Vacuum Tunneling Rates
Indranil Dasgupta
We show that in Euclidean field theories that have bounce solutions, the bounce with the least action is the global minimum of the action in an open space of field configurations.…
B-factory Physics from Effective Supersymmetry
Andrew G. Cohen, David B. Kaplan, Francois Lepeintre +1
We discuss how to extract non-Standard Model effects from B-factory phenomenology. We then analyze the prospects for uncovering evidence for Effective Supersymmetry, a class of sup…
Binary String Dynamics
Indranil Dasgupta, Ryan Rohm
In this paper we investigate the dynamical properties of binary cosmic strings. We find extrinsic curvature dependence of the string action and show that kinks on binary strings ar…