Angular resolution at map level in the QUBIC instrument

Gamboa Lerena, M.M.; Sc´occola, C.G.; Ade, P.; Alberro, J.G.; Almela, A.; Amico, G.; Arnaldi, L.H.; Auguste, D.; Aumont, J.; Azzoni, S.; Banfi, S.; Battistelli, E.S.; Ba`u, A.; B´elier, B.; Bennett, D.; Berg´e, L.; Bernard, J.; Bersanelli, M.; Bigot-Sazy, M.A.; Bleurvacq, N.; Bonaparte, J.; Bonis, J.; Bottani, A.; Bunn, E.; Burke, D.; Buzi, D.; Cavaliere, F.; Chanial, P.; Chapron, C.; Charlassier, R.; Cobos Cerutti, A.C.; Columbro, F.; Coppolecchia, A.; D’Alessandro, G.; de Bernardis, P.; De Gasperis, G.; De Leo, M.; De Petris, M.; Dheilly, S.; Duca, C.; Dumoulin, L.; Etchegoyen, A.; Fasciszewski, A.; Ferreyro, L.P.; Fracchia, D.; Franceschet, C.; Ganga, K.; Garc´ıa, B.; Garc´ıa-Redondo, M.E.; Gaspard, M.; Gayer, D.; Gervasi, M.; Giard, M.; Gilles, V.; Giraud-Heraud, Y.; G´omez Berisso, M.; Gonz´alez, M.; Gradziel, M.; Grandsire, L.; Hamilton, J.; Harari, D.; Henrot-Versill´e, S.; Hoang, D.T.; Incardona, F.; Jules, E.; Kaplan, J.; Kristukat, C.; Lamagna, L.; Loucatos, S.; Louis, T.; Maffei, B.; Marnieros, S.; Marty, W.; Masi, S.; Mattei, A.; May, A.; Mcculloch, M.; Mele, L.; Melhuish, S.; Mennella, A.; Montier, L.; Mousset, L.; Mundo, L.M.; Murphy, J.A.; Murphy, J.D.; Nati, F.; Olivieri, E.; Oriol, C.; O’Sullivan, C.; Paiella, A.; Pajot, F.; Passerini, A.; Pastoriza, H.; Pelosi, A.; Perbost, C.; Perciballi, M.; Pezzotta, F.; Piacentini, F.; Piat, M.; Piccirillo, L.; Pisano, G.; Platino, M.; Polenta, G.; Prˆele, D.; Puddu, R.; Rambaud, D.; Ringegni, P.; Romero, G.E.; Salatino, M.; Salum, J.M.; Schillaci, A.; Scully, S.; Spinelli, S.; Stankowiak, G.; Stolpovskiy, M.; Supanitsky, A.D.; Tartari, A.; Thermeau, J.P.; Timbie, P.; Tomasi, M.; Torchinsky, S.; Tristram, M.; Tucker, G.; Tucker, C.; Vigan`o, D.; Vittorio, N.; Voisin, F.; Wicek, F.; Zannoni, M.; Zullo, A.

Since its discovery in the 1960s, the cosmic microwave background (CMB) radiation has become a very important observational tool to understand the physics of the early universe. The parameter r, defined as the relative amplitude of tensor to scalar perturbations, is currently constrained to the range r < 0.056. QUBIC is a ground-based instrument designed to search for very weak B-mode signals in polarization anisotropies at intermediate angular scales (l ∼ 30 − 200). To achieve this goal, QUBIC combines two widely used techniques in the CMB community: interferometry and bolometry. In this work, we compute the angular resolution for an end-to-end simulation using two independent methods: Fit and Sigma. We conclude that the reconstruction performed by the software is appropriate since the resolution measured with both calibrated methods coincides with the theoretical value of the expected resolution.

Angular resolution at map level in the QUBIC instrument / M.M. Gamboa Lerena, C.G. Sc´occola, P. Ade, J.G. Alberro, A. Almela, G. Amico, L.H. Arnaldi, D. Auguste, J. Aumont, S. Azzoni, S. Banfi, E.S. Battistelli, A. Ba`u, B. B´elier, D. Bennett, L. Berg´e, J. Bernard, M. Bersanelli, M.A. Bigot-Sazy, N. Bleurvacq, J. Bonaparte, J. Bonis, A. Bottani, E. Bunn, D. Burke, D. Buzi, F. Cavaliere, P. Chanial, C. Chapron, R. Charlassier, A.C. Cobos Cerutti, F. Columbro, A. Coppolecchia, G. D’Alessandro, P. de Bernardis, G. De Gasperis, M. De Leo, M. De Petris, S. Dheilly, C. Duca, L. Dumoulin, A. Etchegoyen, A. Fasciszewski, L.P. Ferreyro, D. Fracchia, C. Franceschet, K. Ganga, B. Garc´ıa, M.E. Garc´ıa-Redondo, M. Gaspard, D. Gayer, M. Gervasi, M. Giard, V. Gilles, Y. Giraud-Heraud, M. G´omez Berisso, M. Gonz´alez, M. Gradziel, L. Grandsire, J. Hamilton, D. Harari, S. Henrot-Versill´e, D.T. Hoang, F. Incardona, E. Jules, J. Kaplan, C. Kristukat, L. Lamagna, S. Loucatos, T. Louis, B. Maffei, S. Marnieros, W. Marty, S. Masi, A. Mattei, A. May, M. Mcculloch, L. Mele, S. Melhuish, A. Mennella, L. Montier, L. Mousset, L.M. Mundo, J.A. Murphy, J.D. Murphy, F. Nati, E. Olivieri, C. Oriol, C. O’Sullivan, A. Paiella, F. Pajot, A. Passerini, H. Pastoriza, A. Pelosi, C. Perbost, M. Perciballi, F. Pezzotta, F. Piacentini, M. Piat, L. Piccirillo, G. Pisano, M. Platino, G. Polenta, D. Prˆele, R. Puddu, D. Rambaud, P. Ringegni, G.E. Romero, M. Salatino, J.M. Salum, A. Schillaci, S. Scully, S. Spinelli, G. Stankowiak, M. Stolpovskiy, A.D. Supanitsky, A. Tartari, J.P. Thermeau, P. Timbie, M. Tomasi, S. Torchinsky, M. Tristram, G. Tucker, C. Tucker, D. Vigan`o, N. Vittorio, F. Voisin, F. Wicek, M. Zannoni, A. Zullo. - In: BOLETÍN DE LA ASOCIACIÓN ARGENTINA DE ASTRONOMÍA. - ISSN 1669-9521. - 61B:(2020), pp. 155-158. ((Intervento presentato al convegno Reunión anual tenutosi a Viedma nel 2019.