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31 papers · 1 filter
Oscillatory patterns in the light curves of 5 long-term monitored type 1 AGN
Andjelka B Kovacevic, Ernesto Perez-Hernandez, Luka C. Popovic +3
A new combined data of 5 well known type 1 AGN are probed with a novel hybrid method in a search for oscillatory behavior. Additional analysis of artificial light curves obtained f…
Extended gamma-ray sources around pulsars constrain the origin of the positron flux at Earth
A. U. Abeysekara, A. Albert, R. Alfaro +113
The unexpectedly high flux of cosmic ray positrons detected at Earth may originate from nearby astrophysical sources, dark matter, or unknown processes of cosmic-ray secondary prod…
A Search for Dark Matter in the Galactic Halo with HAWC
A. U. Abeysekara, A. M. Albert, R. Alfaro +100
The High Altitude Water Cherenkov (HAWC) gamma-ray observatory is a wide field-of-view observatory sensitive to 500 GeV - 100 TeV gamma rays and cosmic rays. With its observations…
Non Abelian T-duality in Gauged Linear Sigma Models
Nana Cabo Bizet, Aldo Martínez-Merino, Leopoldo A. Pando Zayas +1
Abelian T-duality in Gauged Linear Sigma Models (GLSM) forms the basis of the physical understanding of Mirror Symmetry as presented by Hori and Vafa. We consider an alternative fo…
All-particle cosmic ray energy spectrum measured by the HAWC experiment from 10 to 500 TeV
HAWC Collaboration, R. Alfaro, C. Alvarez +98
We report on the measurement of the all-particle cosmic ray energy spectrum with the High Altitude Water Cherenkov (HAWC) Observatory in the energy range 10 to 500 TeV. HAWC is a g…
On the emergence of the CDM model from self-interacting Brans-Dicke theory in
Luz Marina Reyes, Santiago Esteban Perez Bergliaffa
We investigate whether a self-interacting Brans-Dicke theory in without matter and with a time-dependent metric can describe, after dimensional reduction to , the FLRW m…