782 citations · 3.5k across the 59 of their papers we have counts for
3 papers · 1 filter
The Power Spectrum of Density Perturbations in Chain Inflation
Martin Wolfgang Winkler, Katherine Freese
Chain Inflation is an alternative to slow roll inflation in which the universe undergoes a series of transitions between different vacua. The density perturbations (studied in this…
Dark Matter Annihilation Can Produce a Detectable Antihelium Flux through Decays
Martin Wolfgang Winkler, Tim Linden
Recent observations by the Alpha Magnetic Spectrometer (AMS-02) have tentatively detected a handful of cosmic-ray antihelium events. Such events have long been considered as smokin…
Dark matter or correlated errors: Systematics of the AMS-02 antiproton excess
Jan Heisig, Michael Korsmeier, Martin Wolfgang Winkler
Several studies have pointed out an excess in the AMS-02 antiproton spectrum at rigidities of 10-20 GV. Its spectral properties were found to be consistent with a dark-matter parti…