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of 799
pro vyhledávání: '"A. Ruoso"'
In the context of axion search with haloscopes, tunable cavity resonators with high quality factor and high effective volume at frequencies above about 8 GHz are central for probing the axion-photon coupling with the required sensitivity to reach the
Externí odkaz:
http://arxiv.org/abs/2410.07774
Autor:
Di Vora, Raffaele, Braggio, Caterina, Carugno, Giovanni, Gardikiotis, Antonios, Lombardi, Augusto, Ortolan, Antonello, Ruoso, Giuseppe
In the search for axionic Dark Matter, the high frequency part of the QCD axion parameter space is favored, as indicated by both cosmological and astrophysical arguments and recent indications from lattice QCD calculations. To extend the probing rang
Externí odkaz:
http://arxiv.org/abs/2403.14503
Autor:
Braggio, C., Balembois, L., Di Vora, R., Wang, Z., Travesedo, J., Pallegoix, L., Carugno, G., Ortolan, A., Ruoso, G., Gambardella, U., D'Agostino, D., Bertet, P., Flurin, E.
We report an axion dark matter search with a haloscope equipped with a microwave photon counter. The haloscope is a tunable high quality factor 3-dimensional microwave cavity placed in a magnetic field. The photon counter, operated cyclically, maps a
Externí odkaz:
http://arxiv.org/abs/2403.02321
Autor:
Rettaroli, A., Alesini, D., Babusci, D., Braggio, C., Carugno, G., D'Agostino, D., D'Elia, A., Di Gioacchino, D., Di Vora, R., Falferi, P., Gambardella, U., Gardikiotis, A., Gatti, C., Iannone, G., Ligi, C., Lombardi, A., Maccarrone, G., Ortolan, A., Ruoso, G., Tocci, S., Vidali, G.
We report the first experimental results obtained with the new haloscope of the QUAX experiment located at Laboratori Nazionali di Frascati of INFN (LNF). The haloscope is composed of a OFHC Cu resonant cavity cooled down to about 30 mK and immersed
Externí odkaz:
http://arxiv.org/abs/2402.19063
Autor:
Santos, Samuel Solgon, Moresco, Marlon Ruoso, Righi, Marcelo Brutti, Horta, Eduardo de Oliveira
We present simple general conditions on the acceptance sets under which their induced monetary risk and deviation measures are comonotonic additive. We show that acceptance sets induce comonotonic additive risk measures if and only if the acceptance
Externí odkaz:
http://arxiv.org/abs/2307.04647
Autor:
Di Vora, R., Lombardi, A., Ortolan, A., Pengo, R., Ruoso, G., Braggio, C., Carugno, G., Taffarello, L., Cappelli, G., Crescini, N., Esposito, M., Planat, L., Ranadive, A., Roch, N., Alesini, D., Babusci, D., D'Elia, A., Di Gioacchino, D., Gatti, C., Ligi, C., Maccarrone, G., Rettaroli, A., Tocci, S., D'Agostino, D., Gambardella, U., Iannone, G., Falferi, P.
A traveling wave parametric amplifier has been integrated in the haloscope of the QUAX experiment. A search for dark matter axions has been performed with a high Q dielectric cavity immersed in a 8 T magnetic field and read by a detection chain havin
Externí odkaz:
http://arxiv.org/abs/2304.07505
Autor:
Rafael Gontijo Ferreira, Ruda Dantas Ruoso Brandão, Marcela Richele Ferreira, Davidson Paulo Azevedo Oliveira
Publikováno v:
Revista de História da Educação Matemática, Vol 10 (2024)
Durante o final do século XX, o currículo das Escolas Técnicas Federais (ETFs) já estava notadamente diferente daquele restrito às práticas profissionais, tendo assumido também uma função preparatória para o ingresso à Universidade. Em vis
Externí odkaz:
https://doaj.org/article/039cab74ad8e4981967cb1fa17cae938
We propose a risk measurement approach for a risk-averse stochastic problem. We provide results that guarantee that our problem has a solution. We characterize and explore the properties of the argmin as a risk measure and the minimum as a deviation
Externí odkaz:
http://arxiv.org/abs/2208.14809
Autor:
Bourhill, Jeremy, Yu, Weichao, Vlaminck, Vincent, Bauer, Gerrit E. W., Ruoso, Giueseppe, Castel, Vincent
We experimentally realize circularly polarised unidirectional cavity magnon polaritons in a torus-shaped microwave cavity loaded by a small magnetic sphere. At special positions the clockwise and counterclockwise modes are circularly polarized, such
Externí odkaz:
http://arxiv.org/abs/2208.13408
Autor:
Alesini, D., Babusci, D., Braggio, C., Carugno, G., Crescini, N., DAgostino, D., D'Elia, A., Di Gioacchino, D., Di Vora, R., Falferi, P., Gambardella, U., Gatti, C., Iannone, G., Ligi, C., Lombardi, A., Maccarrone, G., Ortolan, A., Pengo, R., Rettaroli, A., Ruoso, G., Taffarello, L., Tocci, S.
A haloscope of the QUAX--$a\gamma$ experiment, composed of an high-Q resonant cavity immersed in a 8 T magnet and cooled to $\sim 4.5$~K is operated to search for galactic axion with mass $m_a\simeq42.8~\mu\text{eV}$. The design of the cavity with ho
Externí odkaz:
http://arxiv.org/abs/2208.12670