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22 papers · 1 filter
Dark Atoms of Dark Matter from New Stable Quarks and Leptons
Maxim Yu. Khlopov
The nonbaryonic dark matter of the Universe can consist of new stable charged leptons and quarks, if they are hidden in elusive "dark atoms" of composite dark matter. Such possibil…
Light from Cosmic Strings
Daniele A. Steer, Tanmay Vachaspati
The time-dependent metric of a cosmic string leads to an effective interaction between the string and photons - the "gravitational Aharonov-Bohm" effect -- and causes cosmic string…
Variability selected high-redshift quasars on SDSS Stripe 82
N. Palanque-Delabrouille, Ch. Yeche, A. D. Myers +11
The SDSS-III BOSS Quasar survey will attempt to observe z>2.15 quasars at a density of at least 15 per square degree to yield the first measurement of the Baryon Acoustic Oscillati…
Puzzles of Dark Matter - More Light on Dark Atoms?
Maxim Yu. Khlopov, Andrey G. Mayorov, Evgeny Yu. Soldatov
Positive results of dark matter searches in experiments DAMA/NaI and DAMA/LIBRA confronted with results of other groups can imply nontrivial particle physics solutions for cosmolog…
Statistical Properties of Cosmological Billiards
Thibault Damour, Orchidea Maria Lecian
Belinski, Khalatnikov and Lifshitz (BKL) pioneered the study of the statistical properties of the never-ending oscillatory behavior (among successive Kasner epochs) of the geometry…
High-energy astroparticle physics
D. Semikoz
In these three lectures I discuss the present status of high-energy astroparticle physics including Ultra-High-Energy Cosmic Rays (UHECR), high-energy gamma rays, and neutrinos. Th…