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Št. zadetkov: 3
Super heavy dark matter from inflationary Schwinger production
Mar Bastero-Gil, Paulo B. Ferraz, Lorenzo Ubaldi, Roberto Vega-Morales
Izvirni znanstveni članek
Oznake: teoretična fizika;temna snov;temni fotoni;
We consider a simple setup with a dark sector containing dark electrons charged under an Abelian 𝑈⁢(1)𝐷 gauge symmetry. We show that, if the massless dark photon associated to the 𝑈⁢(1)𝐷 is produced during inflation in such a way as to form a classical dark electric field, then dark electron-pos ...
Leto: 2024 Vir: Institut Jožef Stefan (IJS)
Evaluation of the physical properties of bedding materials for dairy cattle using fuzzy clustering analysis
Patrícia Ferreira Ponciano Ferraz, Gabriel Araújo e Silva Ferraz, Lorenzo Leso, Marija Klopčič, Giuseppe Rossi, Matteo Barbari
Izvirni znanstveni članek
Oznake: govedo;krave molznice;nastil;
The bedding materials used in dairy cow housing systems are extremely important for animal welfare and performance. A wide range of materials can be used as bedding for dairy cattle, but their physical properties must be analysed to evaluate their potential. In the present study, the physical proper ...
Leto: 2020 Vir: Biotehniška fakulteta (UL BF)
Economic growth and public indebtedness in the last four decades
Ricardo Ferraz, António Portugal Duarte
Izvirni znanstveni članek
Oznake: economy;economic growth;Portugal;‘PIIGS’;public debt;
Portugal is a member of the group known by investors as ‘PIIGS’, countries characterised by having high public debt and weak economic growth. Using an extended time horizon, 1974–2014, this study seeks to empirically explore the relationship between economic growth and public debt in the PIIGS econo ...
Leto: 2015 Vir: Ekonomsko-poslovna fakulteta (UM EPF)
Št. zadetkov: 3
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