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- Centre National de la Recherche ScientifiqueFR684 papers
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- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR466 papers
- Deutsches Elektronen-Synchrotron DESYDE453 papers
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- A. Alikhanyan National LaboratoryAM424 papers
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118 papers · 1 filter
Bounds on the fine structure constant variability from FeII absorption lines in QSO spectra
Paolo Molaro, Dieter Reimers, Irina I. Agafonova +1
The Single Ion Differential alpha Measurement (SIDAM) method for measuring fine stucture variations (daa)and its figures of merit are illustrated together with the results produced…
A new approach for testing variations of fundamental constants over cosmic epochs using FIR fine-structure lines
S. A. Levshakov, D. Reimers, M. G. Kozlov +2
Aims. To obtain limits on the variation of the fine-structure constant alpha and the electron-to-proton mass ratio mu over different cosmological epochs. Methods. A new approach ba…
Multi-angle effects in collective supernova neutrino oscillations
Andreu Esteban-Pretel, Sergio Pastor, Ricard Tomas +2
We study two-flavor collective neutrino oscillations in the dense-neutrino region above the neutrino sphere in a supernova (SN). The angular dependence of the neutrino-neutrino int…
HESS VHE Gamma-Ray Sources Without Identified Counterparts
HESS Collaboration, F. Aharonian
The detection of gamma rays in the very-high-energy (VHE) energy range (100 GeV--100 TeV) provides a direct view of the parent population of ultra-relativistic particles found in a…
12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD
J. Bartels, K. Borras, M. Diehl +118
Proceedings of the 12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD
Cosmological horizons and reconstruction of quantum field theories
C. Dappiaggi, V. Moretti, N. Pinamonti
As a starting point, we state some relevant geometrical properties enjoyed by the cosmological horizon of a certain class of Friedmann-Robertson-Walker backgrounds. Those propertie…