- Tel Aviv UniversityIL388 papers
- Centre National de la Recherche ScientifiqueFR320 papers
- Rutgers, The State University of New JerseyUS278 papers
- University of California, Santa CruzUS239 papers
- Weizmann Institute of ScienceIL223 papers
- California Institute of TechnologyUS202 papers
- University of California, BerkeleyUS194 papers
- Space Telescope Science InstituteUS128 papers
- Technion – Israel Institute of TechnologyIL118 papers
- Universidad Autónoma de MadridES113 papers
- University of ArizonaUS111 papers
- Johns Hopkins UniversityUS110 papers
60 papers · 1 filter
He Scattering from Compact Clusters and from Diffusion-Limited Aggregates on Surfaces: Observable Signatures of Structure
Daniel A. Hamburger, A. Tamar Yinnon, Itshak Farbman +2
The angular intensity distribution of He beams scattered from compact clusters and from diffusion limited aggregates, epitaxially grown on metal surfaces, is investigated theoretic…
Summary of Results in N=1 Supersymmetric SU(2) Gauge Theories
S. Elitzur, A. Forge, A. Giveon +1
We summarize some results in 4d, N=1 supersymmetric SU(2) gauge theories: the exact effective superpotentials, the vacuum structure, and the exact effective Abelian couplings for a…
A Simultaneous Spectral Invariant Analysis of the GRB Count Distribution and Time Dilation
Ehud Cohen, Tsvi Piran
The analysis of the BATSE's count distribution within cosmological models suffers from observational uncertainties due to the variability of the bursts' spectra: when BATSE observe…
Hydrodynamic Time Scales and Temporal Structure in GRBs
Re'em Sari, Tsvi Piran
We calculate the hydrodynamic time scales for a spherical ultra-relativistic shell that is decelerated by the ISM and discuss the possible relations between these time scales and t…
Are There MeV Gamma-Ray Bursts?
Tsvi Piran, Ramesh Narayan
It is often stated that gamma-ray bursts (GRBs) have typical energies of several hundred keV. Is this a real feature of GRBs or is it due to an observational bias? We consider the…
Set theory without choice: not everything on cofinality is possible
Saharon Shelah
We prove (ZF+DC) e.g. : if mu =|H(mu)| then mu^+ is regular non measurable. This is in contrast with the results for mu = aleph_{omega} on measurability see Apter Magidor [ApMg]