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19912026
Showing 1999Show all

106 papers · 1 filter

astro-ph1999★ 28 cited

Search for Pulsed TeV Gamma-ray Emission from the Crab Pulsar

R. W. Lessard, I. H. Bond, S. M. Bradbury +23

We present the results of a search for pulsed TeV emission from the Crab pulsar using the Whipple Observatory's 10 m gamma-ray telescope. The direction of the Crab pulsar was obser…

hep-ex1999★ 97 cited

Two-body B Meson Decays to eta and eta': Observation of B->eta K*

The CLEO Collaboration, S. J. Richichi

In a sample of 19 million produced B mesons, we have observed the decays B -> eta K* and improved our previous measurements of B -> eta'K. The branching fractions we measure for th…

nucl-th1999★ 25 cited

An investigation of standard thermodynamic quantities as determined via models of nuclear multifragmentation

J. B. Elliott, A. S. Hirsch

Both simple and sophisticated models are frequently used in an attempt to understand how real nuclei breakup when subjected to large excitation energies, a process known as nuclear…

hep-ph1999★ 23 cited

Searching for Extra Dimensions and New String-Inspired Forces in the Casimir Regime

Dennis E. Krause, Ephraim Fischbach

The appearance of new fundamental forces and extra-dimensional modifications to gravity in extensions of the Standard Model has motivated considerable interest in testing Newtonian…

hep-ex1999★ 78 cited

The Isolated Photon Cross Section in p pbar Collisions at sqrt(s) = 1.8 TeV

D0 Collaboration, B. Abbott

We report a new measurement of the cross section for the production of isolated photons, with transverse energies (ET) above 10 GeV and pseudorapidities |eta| < 2.5, in p pbar coll…

hep-ph1999★ 12 cited

Mass Hierarchies and the Seesaw Neutrino Mixing

T. K. Kuo, Guo-Hong Wu, Sadek W. Mansour

We give a general analysis of neutrino mixing in the seesaw mechanism with three flavors. Assuming that the Dirac and u-quark mass matrices are similar, we establish simple relatio…