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8 papers · 1 filter
Dynamics of Multidimensional Secession
Arne Soulier, Tim Halpin-Healy
We explore a generalized Seceder Model with variable size selection groups and higher dimensional genotypes, uncovering its well-defined mean-field limiting behavior. Mapping to a…
STACEE Observations of Markarian 421 During an Extended Gamma-Ray Outburst
STACEE Collaboration, L. M. Boone, J. A. Hinton +14
The active galaxy Markarian 421 underwent a substantial outburst in early 2001. Between January and May of that year, the STACEE detector was used to observe the source in gamma-ra…
Predictions of the High-Energy Emission from BL Lac objects: The Case of W Comae
M. Boettcher, R. Mukherjee, A. Reimer
Spectral fitting of the radio through hard X-ray emission of BL Lac objects has previously been used to predict their level of high-energy (GeV - TeV) emission. In this paper, we p…
A statistical detection of gamma-ray emission from galaxy clusters: implications for the gamma-ray background and structure formation
Caleb A. Scharf, Reshmi Mukherjee
The origin of the diffuse extragalactic, high-energy gamma-ray background (EGRB) filling the Universe remains unknown. The spectrum of this extragalactic radiation, as measured by…
Broad-band continuum and line emission of the gamma-ray blazar PKS 0537-441
E. Pian, R. Falomo, R. C. Hartman +10
PKS 0537-441, a bright gamma-ray emitting blazar, was observed at radio, optical, UV and X-ray frequencies during various EGRET pointings, often quasi-simultaneously. In 1995 the o…
The STACEE-32 Ground Based Gamma-ray Detector
STACEE Collaboration, D. S. Hanna, D. Bhattacharya +18
We describe the design and performance of the Solar Tower Atmospheric Cherenkov Effect Experiment detector in its initial configuration (STACEE-32). STACEE is a new ground-based ga…