7.7k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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19 papers · 2 filters
Testing the standard model with decays
Nico Adolph, Gudrun Hiller, Andrey Tayduganov
The photon polarization in decays can be extracted from an up-down asymmetry in the system, along the lines of the method known to $B \to K_1 (…
Vacuum Stability of Asymptotically Safe Two Higgs Doublet Models
Peter Schuh
We study different types of Two Higgs Doublet Models (2HDMs) under the assumption that all quartic couplings' beta functions vanish simultaneously at the Planck scale. The Standard…
Search for steady point-like sources in the astrophysical muon neutrino flux with 8 years of IceCube data
IceCube Collaboration, M. G. Aartsen, M. Ackermann +325
The IceCube Collaboration has observed a high-energy astrophysical neutrino flux and recently found evidence for neutrino emission from the blazar TXS 0506+056. These results open…
Electric dipole moment constraints on CP-violating light-quark Yukawas
Joachim Brod, Dimitrios Skodras
Nonstandard CP violation in the Higgs sector can play an essential role in electroweak baryogenesis. We calculate the full two-loop matching conditions of the standard model, with…
Electric dipole moment constraints on CP-violating heavy-quark Yukawas at next-to-leading order
Joachim Brod, Emmanuel Stamou
Electric dipole moments are sensitive probes of new phases in the Higgs Yukawa couplings. We calculate the complete two-loop QCD anomalous dimension matrix for the mixing of CP-odd…
Recent Improvements for the Lepton Propagator PROPOSAL
Mario Dunsch, Jan Soedingrekso, Alexander Sandrock +3
The lepton propagator PROPOSAL is a Monte-Carlo Simulation library written in C++, propagating high energy muons and other charged particles through large distances of media. In th…
Sterile Neutrino Shortcuts in Asymmetrically Warped Extra Dimensions
Dominik Döring, Heinrich Päs
Light sterile neutrinos are a popular extension of the Standard Model and are being discussed as a possible explanation for various neutrino oscillation anomalies, including the LS…
Majoron Dark Matter and Constraints on the Majoron-Neutrino Coupling
Tim Brune, Heinrich Päs
We revisit a singlet Majoron model in which neutrino masses arise from the spontaneous violation of lepton number. If the Majoron obtains a mass of order MeV, it can play the role…
Sterile Neutrinos with Altered Dispersion Relations as an Explanation for Neutrino Anomalies
Dominik Döring, Heinrich Päs, Philipp Sicking +1
Recently the MiniBooNE Collaboration has confirmed its anomalous excess in (anti)muon- to (anti)electron-neutrino oscillation data. Combined with long-standing results from the LSN…
Coulomb corrections to the bremsstrahlung and electron pair production cross section of high-energy muons on extended nuclei
Alexander Sandrock, Wolfgang Rhode
The energy reconstruction of high-energy muons depends on the energy loss characteristics. Accurate knowledge of the cross sections of the energy loss processes is necessary for pr…
Dark Matter from Freeze-In via the Neutrino Portal
Mathias Becker
We investigate a minimal neutrino portal dark matter (DM) model where a right-handed neutrino both generates the observed neutrino masses and mediates between the SM and the dark s…
Scalar Dark Matter, GUT baryogenesis and Radiative neutrino mass
Wei-Chih Huang, Heinrich Päs, Sinan Zeißner
We investigate an interesting correlation among dark matter phenomenology, neutrino mass generation and GUT baryogenesis, based on the scotogenic model. The model contains addition…
Null tests from angular distributions in , decays on and off peak
Stefan de Boer, Gudrun Hiller
We systematically analyze the full angular distribution in decays, where , . We identify several null tests of the standard model (SM).…
Lepton nonuniversality anomalies and implications
Gudrun Hiller
We discuss avenues for diagnosing new physics hinted from lepton nonuniversality in rare -decays, and physics implications.
Polarized gamma rays from dark matter annihilations
Wei-Chih Huang, Kin-Wang Ng
In this paper, we explore the possibility of a linearly polarized gamma-ray signal from dark matter annihilations in the Galactic center. Considering neutral weakly interacting mas…
The photon polarization in radiative decays, phenomenologically
Stefan de Boer, Gudrun Hiller
We work out the phenomenology of untagged time-dependent analysis with radiative -decays into CP eigenstates, which allows to probe the photon polarization by means of the cha…
Flavorful leptoquarks at hadron colliders
Gudrun Hiller, Dennis Loose, Ivan Nisandzic
-physics data and flavor symmetries suggest that leptoquarks can have masses as low as few ${\cal{O}}(\mbox{TeV})$, predominantly decay to third generation quarks, and highlight…
Asymmetric dark matter, baryon asymmetry and lepton number violation
Mads T. Frandsen, Claudia Hagedorn, Wei-Chih Huang +2
We study the effect of lepton number violation (LNV) on baryon asymmetry, generated in the early Universe, in the presence of a dark sector with a global symmetry , featuri…
Weak mixing below the weak scale in dark-matter direct detection
Joachim Brod, Benjamin Grinstein, Emmanuel Stamou +1
If dark matter couples predominantly to the axial-vector currents with heavy quarks, the leading contribution to dark-matter scattering on nuclei is either due to one-loop weak cor…