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19912026
most citedThe Infrared Array Camera (IRAC) for the Spitzer Space Telescope

3.3k citations

Showing 1994Show all

53 papers · 1 filter

hep-ex1994★ 21 cited

Measurement of the Bs Meson Lifetime

The CDF Collaboration

The lifetime of the meson is measured using the semileptonic decay . The data sample consists of 19.3 pb of collisions at $\sqrt{s…

nucl-th1994★ 4 cited

Nuclear Binding Effects in Relativistic Coulomb Sum Rules

D. S. Koltun, T. C. Ferree

We extend the formulation of relativistic Coulomb sum rules to account for the average effects of nuclear binding on the initial and final states of ejected nucleons. Relativistic…

hep-ph1994★ 12 cited

Gluon Radiation in t\bar{t} Production at the Tevatron p\bar{p} Collider

Lynne H. Orr, T. Stelzer, W. J. Stirling

We present a complete calculation of the matrix elements for the processes and which are relevant for the study of…

cmp-lg1994★ 2 cited

Knowledge Representation for Lexical Semantics: Is Standard First Order Logic Enough?

Marc Light, Lenhart Schubert

Natural language understanding applications such as interactive planning and face-to-face translation require extensive inferencing. Many of these inferences are based on the meani…

cond-mat1994★ 38 cited

Superconducting Coherence in a Vortex Line Liquid; Simulations with Finite λ

Tao Chen, S. Teitel

We carry out simulations of a lattice London superconductor in a magnetic field B, with a finite magnetic penetration length λ. We find that superconducting coherence parallel to B…

hep-th1994★ 3 cited

Correlation Functions of a Conformal Field Theory in Three Dimensions

S. Guruswamy, P. Vitale

We derive explicit forms of the two--point correlation functions of the non-linear sigma model at the critical point, in the large limit, on various three dimensional ma…

hep-ph1994★ 24 cited

Parity Violation in Top Quark Pair Production at the Fermilab Tevatron Collider

Chung Kao

The leading weak corrections to the production of top quark pairs via in collisions are evaluated. The chromo-anapole form factor of the top quar…

cond-mat1994★ 41 cited

Glassy Roughness of a Crystalline Surface Upon a Disordered Substrate

D. Cule, Y. Shapir

The discrete Gaussian model for the surface of a crystal deposited on a disordered substrate is studied by Monte Carlo simulations. A continuous transition is found from a phase wi…

hep-th1994★ 1 cited

Relativistic Aharonov-Bohm-Coulomb Problem

C. R. Hagen, D. K. Park

The Aharonov-Bohm effect is analyzed for a spin-1/2 particle in the case that a potential is present. Scalar and vector couplings are each considered. It is found that the ap…

hep-th1994★ 3 cited

Dimensionality as a Perturbation Parameter in the Generalized Hydrogen Atom

C. R. Hagen

A recent suggestion has been made that the hydrogen bound state spectrum should not depend on the number of spatial dimensions. It is pointed out here that the uncertainty principl…

cond-mat1994★ 19 cited

Non-Ergodic Dynamics of the 2D Random-phase Sine-Gordon Model: Applications to Vortex-Glass Arrays and Disordered-Substrate Surfaces

D. Cule, Y. Shapir

The dynamics of the random-phase sine-Gordon model, which describes 2D vortex-glass arrays and crystalline surfaces on disordered substrates, is investigated using the self-consist…

hep-ph1994★ 42 cited

Impact of R-Parity Violation on Supersymmetry Searches at the Tevatron

H. Baer, C. Kao, X. Tata

We evaluate cross sections for $\eslt$, 1 and various dilepton and multilepton event topologies that result from the simultaneous production of all sparticles at the Tevatron…

hep-th1994★ 6 cited

Poisson Algebra of Wilson Loops in Four-Dimensional Yang-Mills Theory

S. G. Rajeev, O. T. Turgut

We formulate the canonical structure of Yang--Mills theory in terms of Poisson brackets of gauge invariant observables analogous to Wilson loops. This algebra is non--trivial and t…

hep-th1994★ 3 cited

Path Integral Solubility of a General Two-Dimensional Model

Ashok Das, Marcelo Hott

The solubility of a general two dimensional model, which reduces to various models in different limits, is studied within the path integral formalism. Various subtleties and intere…

math.AG1994

Configuration spaces and the space of rational curves on a toric variety

Martin A. Guest

The space of holomorphic maps from to a complex algebraic variety , i.e. the space of parametrized rational curves on , arises in several areas of geometry. It is a wel…

cond-mat1994★ 11 cited

Dynamics of Particles Deposition on a Disordered Substrate: II. Far-from Equilibrium Behavior. -

Yan-Chr Tsai, Yonathan Shapir

The deposition dynamics of particles (or the growth of a rigid crystal) on a disordered substrate at a finite deposition rate is explored. We begin with an equation of motion which…

hep-th1994★ 5 cited

Unification of the Soluble Two-dimensional vector coupling models

C. R. Hagen

The general theory of a massless fermion coupled to a massive vector meson in two dimensions is formulated and solved to obtain the complete set of Green's functions. Both vector a…

hep-ph1994★ 4 cited

Additional Soft Jets in Production at the Tevatron $\pp$ Collider

Lynne H. Orr, W. J. Stirling

A large fraction of top quark events in $\pp$ collisions at $1.8\ \TeV$ will contain additional soft hadronic jets from gluon bremsstrahlung off the quarks and gluons in the hard p…

cond-mat1994★ 28 cited

Dynamics of Particle Deposition on a Disordered Substrate: I. Near- Equilibrium Behavior

Yan-Chr Tsai, Yonathan Shapir

A growth model which describes the deposition of particles (or the growth of a rigid crystal) on a disordered substrate is investigated. The dynamic renormalization group is applie…

cond-mat1994★ 75 cited

Vortex Lattice Melting in 2D Superconducting Networks and Films

M. Franz, S. Teitel

We carry out MC studies of 2D superconducting networks, in an applied magnetic field, for square and honeycomb geometries. We consider both dilute systems (f=1/q) and systems near…

hep-th1994★ 10 cited

A Nonstandard Supersymmetric KP Hierarchy

J. C. Brunelli, A. Das

We show that the supersymmetric nonlinear Schrödinger equation can be written as a constrained super KP flow in a nonstandard representation of the Lax equation. We construct the c…

cmp-lg1994★ 12 cited

Discourse Obligations in Dialogue Processing

David R. Traum, James F. Allen

We show that in modeling social interaction, particularly dialogue, the attitude of obligation can be a useful adjunct to the popularly considered attitudes of belief, goal, and in…

hep-ph1994★ 28 cited

On the Derivative Expansion at Finite Temperature

Ashok Das, Marcelo Hott

In this short note, we indicate the origin of nonanalyticity in the method of derivative expansion at finite temperature and discuss some of its consequences.

cond-mat1994★ 4 cited

Scaling Phenomena in a Unitary Model of Directed Propagating Waves with Applications to One-Dimensional Electrons in a Time-Varying Potential

Dinko Cule, Yonathan Shapir

We study a 2D lattice model of forward-directed waves in which the integrated intensity for classical waves (or probability for quantum mechanical particles) is conserved. The mode…