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Showing 1996Show all

15 papers · 1 filter

cond-mat1996★ 19 cited

Representing Structural Information of Helical Charge Distributions in Cylindrical Coordinates

David Hochberg, Thomas W. Kephart, Glenn Edwards

Structural information in the local electric field produced by helical charge distributions, such as dissolved DNA, is revealed in a straightforward manner employing cylindrical co…

hep-ph1996★ 217 cited

Interpolating the Stage of Exponential Expansion in the Early Universe: a possible alternative with no reheating

Arjun Berera

In the standard picture, the inflationary universe is in a supercooled state which ends with a short time, large scale reheating period, after which the universe goes into a radiat…

astro-ph1996★ 1 cited

An Investigation of Neutrino-Driven Convection and the Core Collapse Supernova Mechanism Using Multigroup Neutrino Transport

A. Mezzacappa, A. C. Calder, S. W. Bruenn +4

We investigate neutrino-driven convection in core collapse supernovae and its ramifications for the explosion mechanism. We begin with an ``optimistic'' 15 solar mass precollapse m…

nucl-th1996★ 34 cited

Full-Folding Optical Potentials for Elastic Nucleon-Nucleus Scattering based on Realistic Densities

Ch. Elster, S. P. Weppner, C. R. Chinn

Optical model potentials for elastic nucleon nucleus scattering are calculated for a number of target nuclides from a full-folding integral of two different realistic target densit…

hep-ex1996★ 47 cited

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…

math.RA1996

Type 4 is not computable

Japheth Wood

We extend a recent result of McKenzie, and show that it is an undecidable problem to determine if 4 appears in the typeset of a finitely generated, locally finite variety.

hep-ex1996★ 18 cited

First Measurement of the Left-Right Charge Asymmetry in Hadronic Z Boson Decays and a New Determination of sin^2(theta_eff)

SLD Collaboration, K. Abe, I. Abt

We present the first measurement of the left-right charge asymmetry A_Q^{obs} in hadronic Z boson decays. This was performed at E_cm = 91.27 GeV with the SLD at the SLAC Linear Col…

hep-ex1996★ 26 cited

A study of the orientation and energy partition of three-jet events in hadronic Z0 decays

K. Abe

We have measured the distributions of the jet energies in e+e- --> qq^bar g events, and of the three orientation angles of the event plane, using hadronic decays collected in…

hep-ex1996★ 23 cited

Measurement of the Charged Multiplicities in b, c and Light Quark Events from Z0 Decays

K. Abe

Average charged multiplicities have been measured separately in , and light quark () events from decays measured in the SLD experiment. Impact parameters of cha…

hep-ex1996★ 1 cited

A Compact Gas Cerenkov Detector with Novel Optics

Michael Sivertz, Bruce Berger, Richard Ehrlich +6

We discuss the design and performance of a threshold Cerenkov counter for identification of charged hadrons. The radiator is pressurized gas, which is contained in thin-walled cyli…

hep-ex1996★ 4 cited

First Study of Rapidity Gaps in e+e- Annihilation

SLD Collaboration

We present the first study of rapidity gaps in e+e- annihilations using Z0 decays collected by the SLD experiment at SLAC. Our measured rapidity gap spectra fall exponentially with…

astro-ph1996★ 8 cited

Are we seeing magnetic monopole cosmic rays at $E\gsim 10^{20}$ eV?

Thomas J. Weiler, Thomas W. Kephart

We suggest that the highest energy $ \gsim 10^{20}$ eV cosmic ray primaries may be relativistic magnetic monopoles. Motivations for this hypothesis are twofold: (i) conventional pr…

cs.AI1996★ 8 cited

Iterative Optimization and Simplification of Hierarchical Clusterings

D. Fisher

Clustering is often used for discovering structure in data. Clustering systems differ in the objective function used to evaluate clustering quality and the control strategy used to…

hep-ex1996★ 36 cited

Factorial and Cumulant Moments in Hadrons at the Z Resonance

SLD Collaboration

We present the first experimental study of the ratio of cumulant to factorial moments of the charged-particle multiplicity distribution in high-energy particle interactions, using…

hep-ex1996★ 3 cited

Recent results from CLEO on Charm and Bottom hadrons

Vivek Jain

In this talk, I present new results from CLEO on charm and bottom hadrons. Most of the talk will be on the issue of the B semileptonic branching fraction, its connection to the num…