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We propose a setup for the origin of dark matter based on spacetime with a warped extra dimension and three branes: the Planck brane, the TeV brane, at a (few) TeV scale $\rho_T$, and a dark brane, at a (sub)-GeV scale $\rho_1\lesssim 100$ GeV $\ll\r
Externí odkaz:
http://arxiv.org/abs/2403.06276
We consider gravitational production of singlet fermions such as sterile neutrinos during and after inflation. The production efficiency due to classical gravity is suppressed by the fermion mass. Quantum gravitational effects, on the other hand, are
Externí odkaz:
http://arxiv.org/abs/2310.15906
Autor:
Grefsrud, Aurora Singstad, Buanes, Trygve, Koutroulis, Fotis, Lipniacka, Anna, Masełek, Rafał, Papaefstathiou, Andreas, Sakurai, Kazuki, Sjursen, Therese B., Slazyk, Igor
In models with large extra dimensions, "miniature" black holes (BHs) might be produced in high-energy proton-proton collisions at the Large Hadron Collider (LHC). In the semi-classical regime, those BHs thermally decay, giving rise to large-multiplic
Externí odkaz:
http://arxiv.org/abs/2310.15227
We study the vacuum dynamics of pseudo-Nambu-Goldstone bosons (pNGBs) for $SO(N+1) \rightarrow SO(N)$ spontaneous and explicit symmetry breaking. We determine the magnitude of explicit symmetry breaking consistent with an EFT description of the effec
Externí odkaz:
http://arxiv.org/abs/2309.15749
With no evidence of any exotic particle detected so far beyond the Standard Model, the new physics may lie above the presently accessible energies at colliders and, at low-energies, can be accounted for via an effective description. The interplay of
Externí odkaz:
http://arxiv.org/abs/2304.10560
Publikováno v:
Biomaterial Investigations in Dentistry, Vol 11, Iss 1 (2024)
The placement of root filling materials aims to prevent the occurrence of post-treatment apical periodontitis following completion of endodontic treatment. Materials should possess properties that will not permit bacterial invasion and infection, nam
Externí odkaz:
https://doaj.org/article/4b5d9cc92501445f912381b5a304f875
Autor:
Andrés Cózar, Manuel Arias, Giuseppe Suaria, Josué Viejo, Stefano Aliani, Aristeidis Koutroulis, James Delaney, Guillaume Bonnery, Diego Macías, Robin de Vries, Romain Sumerot, Carmen Morales-Caselles, Antonio Turiel, Daniel González-Fernández, Paolo Corradi
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-12 (2024)
Abstract Worldwide, governments are implementing strategies to combat marine litter. However, their effectiveness is largely unknown because we lack tools to systematically monitor marine litter over broad spatio-temporal scales. Metre-sized aggregat
Externí odkaz:
https://doaj.org/article/b0cf4eba152a472fae496fd71e554eae
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 5, Pp 1-29 (2024)
Abstract We study the vacuum dynamics of pseudo-Nambu-Goldstone bosons (pNGBs) for SO(N + 1) → SO(N) spontaneous and explicit symmetry breaking. We determine the magnitude of explicit symmetry breaking consistent with an EFT description of the effe
Externí odkaz:
https://doaj.org/article/84415c5bc4a64470afcd77b9547ce6f9
Autor:
Aurora Singstad Grefsrud, Trygve Buanes, Fotis Koutroulis, Anna Lipniacka, Rafał Masełek, Andreas Papaefstathiou, Kazuki Sakurai, Therese B. Sjursen, Igor Slazyk
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 84, Iss 4, Pp 1-15 (2024)
Abstract In models with large extra dimensions, “miniature” black holes (BHs) might be produced in high-energy proton–proton collisions at the Large Hadron Collider (LHC). In the semi-classical regime, those BHs thermally decay, giving rise to
Externí odkaz:
https://doaj.org/article/c4ef52c210af4ccba49d55f6504e1dd3