{"paper":{"title":"The Large-Scale Polarization Explorer (LSPE)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"A. Ba\\`u, A. Boscaleri, A. Coppolecchia, A. Cruciani, A. D' Addabbo, A. Gregorio, A. Mennella, A. Passerini, A. Schillaci, A. Tartari, A. Zacchei, B. Maffei, C. Franceschet, D. Goldie, D. Maino, E. Battistelli, E. Franceschi, E. Tommasi, F. Cavaliere, F. Cuttaia, F. Del Torto, F. Nati, F. Piacentini, F. Villa, G. Amico, G. D'Alessandro, G. Morgante, G. Pisano, G. Romeo, G. Virone, L. Fiorineschi, L. Lamagna, L. Pagano, L. Piccirillo, L. Stringhetti, L. Terenzi, M. Bersanelli, M. De Petris, M. Gervasi, M. Salatino, M. Sandri, M. Tomasi, M. Zannoni, Ng Ming Wah, N. Krachmalnicoff, O. Peverini, P. Battaglia, P. De Bernardis, P. Rissone, R. Tascone, S. Aiola, S. De Gregori, S. Masi, S. Ricciardi, S. Withington, The LSPE collaboration, V. Haynes","submitted_at":"2012-08-01T17:04:40Z","abstract_excerpt":"The LSPE is a balloon-borne mission aimed at measuring the polarization of the Cosmic Microwave Background (CMB) at large angular scales, and in particular to constrain the curl component of CMB polarization (B-modes) produced by tensor perturbations generated during cosmic inflation, in the very early universe. Its primary target is to improve the limit on the ratio of tensor to scalar perturbations amplitudes down to r = 0.03, at 99.7% confidence. A second target is to produce wide maps of foreground polarization generated in our Galaxy by synchrotron emission and interstellar dust emission."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0281","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}