Showing 2006 · astro-phShow all

28 papers · 2 filters

astro-ph2006★ 3 cited

Strangelets in Cosmic Rays

Jes Madsen

The properties of strangelets are reviewed and two experiments searching for them in cosmic rays are described. The prospects for strangelets as ultra-high energy cosmic rays beyon…

astro-ph2006★ 4 cited

Strangelets, Nuclearites, Q-balls--A Brief Overview

Jes Madsen

Astrophysical bounds on the properties and abundances of primordial quark nuggets and cosmic ray strangelets are reviewed. New experiments to search for cosmic ray strangelets in l…

astro-ph2006★ 18 cited

Seismology of Procyon A: determination of mode frequencies, amplitudes, lifetimes, and granulation noise

S. Leccia, H. Kjeldsen, A. Bonanno +3

The F5 IV-V star Procyon A (aCMi) was observed in January 2001 by means of the high resolution spectrograph SARG operating with the TNG 3.5m Italian telescope (Telescopio Nazionale…

astro-ph2006★ 61 cited

The Velocity Field of the Local Universe from Measurements of Type Ia Supernovae

Troels Haugboelle, Steen Hannestad, Bjarne Thomsen +3

We present a measurement of the velocity flow of the local universe relative to the CMB rest frame, based on the Jha, Riess & Kirshner (2007) sample of 133 low redshift type Ia sup…

astro-ph2006★ 160 cited

Pulsars as Astrophysical Laboratories for Nuclear and Particle Physics

F. Weber, R. Negreiros, P. Rosenfield +1

A forefront area of research concerns the exploration of the properties of hadronic matter under extreme conditions of temperature and density, and the determination of the equatio…

astro-ph2006★ 41 cited

The Signature of Large Scale Structures on the Very High Energy Gamma-Ray Sky

A. Cuoco, S. Hannestad, T. Haugbølle +3

If the diffuse extragalactic gamma ray emission traces the large scale structures of the universe, peculiar anisotropy patterns are expected in the gamma ray sky. In particular, be…