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6 results on '"Coppolecchia, Alessandro"'

1. QUBIC: Exploring the Primordial Universe with the Q&amp

Author

Mennella, Aniello, Ade, Peter, Amico, Giorgio, Auguste, Didier, Aumont, Jonathan, Banfi, Stefano, Barbaràn, Gustavo, Battaglia, Paola, Battistelli, Elia, Baù, Alessandro, Bélier, Benoit, Bennett, David G., Bergé, Laurent, Bernard, Jean Philippe, Bersanelli, Marco, Sazy, Marie Anne Bigot, Bleurvacq, Nathan, Bonaparte, Juan, Bonis, Julien, Bunn, Emory, Burke, David, Buzi, Daniele, Buzzelli, Alessandro, Cavaliere, Francesco, Chanial, Pierre, Chapron, Claude, Charlassier, Romain, Columbro, Fabio, Coppi, Gabriele, Coppolecchia, Alessandro, D’Agostino, Rocco, D’Alessandro, Giuseppe, Bernardis, Paolo De, Gasperis, Giancarlo De, Leo, Michele De, Petris, Marco De, Donato, Andres Di, Dumoulin, Louis, Etchegoyen, Alberto, Fasciszewski, Adrián, Franceschet, Cristian, Lerena, Martin Miguel Gamboa, Garcia, Beatriz, Garrido, Xavier, Gaspard, Michel, Gault, Amanda, Gayer, Donnacha, Gervasi, Massimo, Giard, Martin, Héraud, Yannick Giraud, Berisso, Mariano Gómez, González, Manuel, Gradziel, Marcin, Grandsire, Laurent, Guerard, Eric, Hamilton, Jean Christophe, and Hara, Diego more...

Subjects
Cosmic Microwave Background, Astrophysics::Instrumentation and Methods for Astrophysics, B-modes, Astrophysics::Cosmology and Extragalactic Astrophysics, inflation, Astrophysics::Galaxy Astrophysics, bolometers, polarimetry
Abstract

In this paper, we describe QUBIC, an experiment that will observe the polarized microwave sky with a novel approach, which combines the sensitivity of state-of-the-art bolometric detectors with the systematic effects control typical of interferometers. QUBIC’s unique features are the so-called “self-calibration”, a technique that allows us to clean the measured data from instrumental effects, and its spectral imaging power, i.e., the ability to separate the signal into various sub-bands within each frequency band. QUBIC will observe the sky in two main frequency bands: 150 GHz and 220 GHz. A technological demonstrator is currently under testing and will be deployed in Argentina during 2019, while the final instrument is expected to be installed during 2020. more...

Published
2019
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2. Exploring cosmic origins with CORE: Gravitational lensing of the CMB

Author

Challinor , Anthony, Allison , Rupert, Carron , Julien, Errard , Josquin, Feeney , Stephen, Kitching , Thomas, Lesgourgues , Julien, Lewis , Antony, Zubeldía , Íñigo, Achucarro , Ana, Ade , Peter, Ashdown , Mark, Ballardini , Mario, Banday , A.J., Banerji , Ranajoy, Bartlett , James, Bartolo , Nicola, Basak , Soumen, Baumann , Daniel, Bersanelli , Marco, Bonaldi , Anna, Bonato , Matteo, Borrill , Julian, Bouchet , François, Boulanger , François, Brinckmann , Thejs, Bucher , Martin, Burigana , Carlo, Buzzelli , Alessandro, Cai , Zhen-Yi, Calvo , Martino, Carvalho , Carla-Sofia, Castellano , Gabriella, Chluba , Jens, Clesse , Sebastien, Colantoni , Ivan, Coppolecchia , Alessandro, Crook , Martin, D'Alessandro , Giuseppe, De Bernardis , Paolo, De Gasperis , Giancarlo, De Zotti , Gianfranco, Delabrouille , Jacques, Di Valentino , Eleonora, Diego , Jose-Maria, Fernandez-Cobos , Raul, Ferraro , Simone, Finelli , Fabio, Forastieri , Francesco, Galli , Silvia, Genova-Santos , Ricardo, Gerbino , Martina, González-Nuevo , Joaquin, Grandis , Sebastian, Greenslade , Joshua, Hagstotz , Steffen, Hanany , Shaul, Handley , Will, Hernandez-Monteagudo , Carlos, Hervías-Caimapo , Carlos, Hills , Matthew, Luzzi , Gemma, Maffei , Bruno, Martinez-González , Enrique, Martins , C.J.A.P., Masi , Silvia, McCarthy , Darragh, Melchiorri , Alessandro, Melin , Jean-Baptiste, Molinari , Diego, Monfardini , Alessandro, Natoli , Paolo, Negrello , Mattia, Notari , Alessio, Paiella , Alessandro, Paoletti , Daniela, Patanchon , Guillaume, Piat , Michel, Pisano , Giampaolo, Polastri , Linda, Polenta , Gianluca, Pollo , Agnieszka, Poulin , Vivian, Quartin , Miguel, Remazeilles , Mathieu, Roman , Matthieu, Rubino-Martin , Jose-Alberto, Salvati , Laura, Tartari , Andrea, Tomasi , Maurizio, Tramonte , Denis, Trappe , Neil, Trombetti , Tiziana, Tucker , Carole, Valiviita , Jussi, Van De Weijgaert , Rien, Van Tent , Bartjan, Vennin , Vincent, Vielva , Patricio, Vittorio , Nicola, Young , Karl, Zannoni , Mario, Laboratoire de Physique Nucléaire et de Hautes Énergies ( LPNHE ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Institut Lagrange de Paris, Sorbonne Universités, AstroParticule et Cosmologie ( APC - UMR 7164 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Observatoire de Paris-Université Paris Diderot - Paris 7 ( UPD7 ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Institut de recherche en astrophysique et planétologie ( IRAP ), Université Paul Sabatier - Toulouse 3 ( UPS ) -Observatoire Midi-Pyrénées ( OMP ) -Centre National de la Recherche Scientifique ( CNRS ), Institut d'Astrophysique de Paris ( IAP ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ), Institut d'astrophysique spatiale ( IAS ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ), Institut Néel ( NEEL ), Université Grenoble Alpes [Saint Martin d'Hères]-Centre National de la Recherche Scientifique ( CNRS ), Département de Physique des Particules (ex SPP) ( DPP ), Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Laboratoire d'Annecy-le-Vieux de Physique Théorique ( LAPTH ), Université Savoie Mont Blanc ( USMB [Université de Savoie] [Université de Chambéry] ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de Physique Théorique d'Orsay [Orsay] ( LPT ), Université Paris-Sud - Paris 11 ( UP11 ) -Centre National de la Recherche Scientifique ( CNRS ), and CORE more...

Subjects
noise, deflection, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], B-mode: lens, gravitational radiation: primordial, cosmic background radiation: polarization, Astrophysics::Cosmology and Extragalactic Astrophysics, redshift, calibration, estimator, gravitation: lens, non-Gaussianity, galaxy: cluster, neutrino: oscillation, neutrino: mass, gravitational radiation: power spectrum, halo: mass
Abstract

International audience; Lensing of the cosmic microwave background (CMB) is now a well-developed probe of the clustering of the large-scale mass distribution over a broad range of redshifts. By exploiting the non-Gaussian imprints of lensing in the polarization of the CMB, the CORE mission will allow production of a clean map of the lensing deflections over nearly the full-sky. The number of high-S/N modes in this map will exceed current CMB lensing maps by a factor of 40, and the measurement will be sample-variance limited on all scales where linear theory is valid. Here, we summarise this mission product and discuss the science that will follow from its power spectrum and the cross-correlation with other clustering data. For example, the summed mass of neutrinos will be determined to an accuracy of 17 meV combining CORE lensing and CMB two-point information with contemporaneous measurements of the baryon acoustic oscillation feature in the clustering of galaxies, three times smaller than the minimum total mass allowed by neutrino oscillation measurements. Lensing has applications across many other science goals of CORE, including the search for B-mode polarization from primordial gravitational waves. Here, lens-induced B-modes will dominate over instrument noise, limiting constraints on the power spectrum amplitude of primordial gravitational waves. With lensing reconstructed by CORE, one can "delens" the observed polarization internally, reducing the lensing B-mode power by 60 %. This can be improved to 70 % by combining lensing and measurements of the cosmic infrared background from CORE, leading to an improvement of a factor of 2.5 in the error on the amplitude of primordial gravitational waves compared to no delensing (in the null hypothesis of no primordial B-modes). Lensing measurements from CORE will allow calibration of the halo masses of the tens of thousands of galaxy clusters that it will find, with constraints dominated by the clean polarization-based estimators. The 19 frequency channels proposed for CORE will allow accurate removal of Galactic emission from CMB maps. We present initial findings that show that residual Galactic foreground contamination will not be a significant source of bias for lensing power spectrum measurements with CORE. more...

Published
2018
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3. Kinetic Inductance Detectors as light detectors for neutrino and dark matter searches

Author

CRUCIANI, Angelo, BATTISTELLI, Elia, D'ADDABBO, Antonio, DI DOMIZIO, Sergio, MASI, Silvia, PINCI, Davide, TOMEI, Claudia, VIGNATI, Marco, BELLINI, Fabio, BUCCI, Carlo, CALVO, Martino, CARDANI, Laura, CASTELLANO, Maria Gabriella, COLANTONI, Ivan, COPPOLECCHIA, Alessandro, and COSMELLI, Carlo more...

Subjects
Physics::Instrumentation and Detectors
Abstract

Large-mass arrays of bolometers proved to be good detectors for Neutrinoless Beta Decay (0vDBD) and Dark Matter (DM) searches. The CUORE and LUCIFER 0vDBD experiments at Laboratori Nazionali del Gran Sasso will start to take data in 2015. The potential of CUORE could be increased by removing the background due to alpha particles, by detecting the small amount of Cherenkov light (100 eV) emitted by the beta signal and not by alphas. LUCIFER could be extended to detect also Dark Matter, provided that the background from beta/gamma particles (100 eV of scintillation light) is discriminated from nuclear recoils of 10 keV energy (no light). Our aim is to develop light detectors for CUORE, LUCIFER and similar bolometric experiments. In order to reach the high sensitivity and large number of pixels needed, we plan to use Microwave Kinetic Inductance Detectors, which have already shown impressive results in millimeter astronomy. Since these devices are easily multiplexable and not strongly limited by the operation temperature, they possibly represent the best choice for the realisation of large-area phonon-mediated light detectors. Our aim is to monitor the whole face of each bolometer (about 25 cm2) at an operating temperature of 10 mK. We will show a model of the expected sensitivity and discuss its agreement with the optical results of two different generations of devices, that have been illuminated with a 55Fe source and a light pulser. more...

Published
2014

4. OLIMPO: A 4-bands detectors array for balloon-borne observations of the Sunyaev-Zeldovich effect

Author

Coppolecchia, Alessandro, Ade, P., Amico, Giorgio, Battistelli, Elia Stefano, DE BERNARDIS, Paolo, Boscaleri, A., Camus, P., Colafrancesco, S., Cruciani, Angelo, D'Addabbo, Antonio, D'Alessandro, Giuseppe, DE GREGORI, Simone, DE PETRIS, Marco, Di Stefano, G., Gervasi, M., Gualtieri, Riccardo, Irwin, K., Lamagna, Luca, Marchegiani, P., Masi, Silvia, Mauskopf, P., Morozov, D., Nati, Lavinia, Nati, Federico, Paiva Novaes, C., Pagano, Luca, Piacentini, Francesco, Puddu, R., Reintsema, C., Romano, D., Romeo, G., Salatino, Maria, Schillaci, Alessandro, Tucker, C., Tucker, R., Yvon, D., Vdovin, V., Wuensche, A., and Zannoni, M. more...

Published
2014

5. Development of Kinetic Inductance Detectors for a 3 mm camera

Author

CRUCIANI, Angelo, BATTISTELLI, Elia, CASTELLANO, Maria Gabriella, COPPOLECCHIA, Alessandro, D'ADDABBO, Antonio, D'AMICO, Nichi, DE BERNARDIS, Paolo, MASI, Silvia, and PAIELLA, Alessandro

Subjects
Astrophysics::Instrumentation and Methods for Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics::Galaxy Astrophysics
Abstract

Millimetre-wave astronomical observations have an enormous discovery potential in the study of the earliest stages of the evolution of the universe, clusters of galaxies, high redshift objects, and star formation regions. One of the challenges today is to perform observations with the finest angular resolution, in order to accurately investigate the nature of these astrophysical sources. While for spectroscopic investigations of point-like sources ALMA is the obvious solution, for continuum measurements of diffuse sources large single-dish telescopes (e.g. GBT, TML, IRAM, SRT, etc.) equipped with large-format bolometeric cameras provide a much highermapping speed. Kinetic Inductance Detectors represent an interesting option for the detector array, due to their easiness to multiplex and their capability to efficiently tackle with atmospheric issues. We are developing Aluminum Lumped Element KIDs for the 3 mm atmospheric window (W-band). While interesting performance of KIDs has already been demonstrated for the1 and 2 mm windows, further technological development is needed for their use at longer wavelengths. In this contribution we analyze the main issues of such a R&D (like minimum operation frequency, operation in high background conditions, size of the array etc.) and present the results of optical tests of the first devices. We also discuss their possible application in an imaging differential spectrometer for the Sardinia Radio Telescope, the largest Italian radio astronomy facility. more...

Published
2014