Zobrazeno 1 - 10
of 475
pro vyhledávání: '"Vora, R"'
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:
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:
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:
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
Autor:
Di Vora, R., Alesini, D., Braggio, C., Carugno, G., Crescini, N., Agostino, D. D, Di Gioacchino, D., 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.
The frequency band 1-15 GHz provides exciting prospects for resonant axion haloscopes as indicated by cosmological and astrophysical arguments. Among the challenges currently addressed to reach the required sensitivity, the development of high qualit
Externí odkaz:
http://arxiv.org/abs/2201.04223
Autor:
Alesini, D., Braggio, C., Carugno, G., Crescini, N., D'Agostino, D., 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.
Publikováno v:
Phys. Rev. D 103, 102004 (2021)
A haloscope of the QUAX--$a\gamma$ experiment composed of an oxygen-free high thermal conductivity-Cu cavity inside an 8.1 T magnet and cooled to $\sim200$ mK is put in operation for the search of galactic axion with mass $m_a\simeq43~\mu\text{eV}$.
Externí odkaz:
http://arxiv.org/abs/2012.09498
Publikováno v:
Commun Phys 3, 164 (2020)
The potential of photon-magnon hybrid systems as building blocks for quantum information science has been widely demonstrated, and it is still the focus of much research. We leverage the strengths of this unique heterogeneous physical system in the f
Externí odkaz:
http://arxiv.org/abs/2008.02317
Autor:
Alesini, D., Braggio, C., Carugno, G., Crescini, N., Agostino, D. D', Di Gioacchino, D., Di Vora, R., Falferi, P., Gambardella, U., Gatti, C., Iannone, G., Ligi, C., Lombardi, A., Maccarrone, G., Ortolan, A., Pengo, R., Pira, C., Rettaroli, A., Ruoso, G., Taffarello, L., Tocci, S.
The realization and characterization of a high quality factor resonator composed of two hollow-dielectric cylinders with its pseudo-TM$_{030}$ mode resonating at 10.9 GHz frequency is discussed. The quality factor was measured at the temperatures 300
Externí odkaz:
http://arxiv.org/abs/2004.02754
Autor:
Alesini, D., Braggio, C., Carugno, G., Crescini, N., D'Agostino, D., Di Gioacchino, D., Di Vora, R., Falferi, P., Gambardella, U., Gatti, C., Iannone, G., Ligi, C., Lombardi, A., Maccarrone, G., Ortolan, A., Pengo, R., Pira, C., Rettaroli, A., Ruoso, G., Taffarello, L., Tocci, S.
Publikováno v:
Review of Scientific Instruments 91, 094701 (2020)
Searches for dark matter axion involve the use of microwave resonant cavities operating in a strong magnetic field. Detector sensitivity is directly related to the cavity quality factor, which is limited, however, by the presence of the external magn
Externí odkaz:
http://arxiv.org/abs/2002.01816