Dirac equation in exotic spacetimes

2020-01-16T12:54:28+01:00Tags: , |

Authors: Faba Garcia, Javier; Sabin, Carlos Contribution: Article Journal: PHYSICAL REVIEW D Publication date: 2019/01/14 DOI: 10.1103/PhysRevD.99.025008 Abstract: We find solutions of the Dirac equation in curved spacetime. In particular, we consider 1 + 1 dimensional sections of several exotic metrics: the Alcubierre metric, which describes a scenario that allows faster-than-light velocity; the Godel metric, which [...]

Study on Tl-204 simultaneous electron and photon emission spectra and their interaction with gold absorbers. Experimental results and Monte Carlo simulations

2020-01-16T12:54:24+01:00Tags: , , |

Authors: Williart, Amalia; Munoz, Antonio; Boscolo, Dania; Scifoni, Emanuele; Kraemer, Michael; Garcia, Gustavo Contribution: Article Journal: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT Publication date: 2019/05/21 DOI: 10.1016/j.nima.2019.03.006 Abstract: This work presents the experimental spectra obtained with different gold absorbers for incident electron and photon radiation induced by Tl-204. [...]

Neutrino physics with the PTOLEMY project: active neutrino properties and the light sterile case

2020-01-16T12:54:21+01:00Tags: , |

Authors: Betti, M. G.; Biasotti, M.; Bosca, A.; Calle, F.; Canci, N.; Cavoto, G.; Chang, C.; Cocco, A. G.; Colijn, A. P.; Conrad, J.; D'Ambrosio, N.; De Groot, N.; de Salas, P. F.; Faverzani, M.; Ferella, A.; Ferri, E.; Garcia-Abia, P.; Garcia-Cortes, I; Garcia Gomez-Tejedor, G.; Gariazzo, S.; Gatti, F.; Gentile, C.; Giachero, A.; Gudmundsson, [...]

alpha-attractor dark energy in view of next-generation cosmological surveys

2020-01-16T12:54:21+01:00Tags: , |

Authors: Garcia-Garcia, Carlos; Ruiz-Lapuente, Pilar; Alonso, David; Zumalacarregui, M. Contribution: Article Journal: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS Publication date: 2019/07/01 DOI: 10.1088/1475-7516/2019/07/025 Abstract: The alpha-attractor inflationary models are nowadays favored by CMB Planck observations. Their similarity with canonical quintessence models motivates the exploration of a common framework that explains both inflation and dark energy. We [...]

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