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In this paper we present the European Low Frequency Survey (ELFS), a project that will enable foregrounds-free measurements of primordial $B$-mode polarization to a level 10$^{-3}$ by measuring the Galactic and extra-Galactic emissions in…

The B-Mode of the Cosmic Microwave Background Polarization (CMBP) promises to detect the gravitational wave background left by Inflation and explore this very early period of the Universe. In spite of its importance, however, the cosmic…

Astrophysics · Physics 2007-05-23 E. Carretti

We present the BOOMERanG-03 experiment and maps of the Stokes parameters I, Q, U of the microwave sky obtained during a 14 day balloon flight in 2003. Three regions of the southern sky were surveyed: a deep survey (~ 90 square degrees) and…

We evaluate the ability of SPIDER, a balloon-borne polarimeter, to detect a divergence-free polarization pattern ("B-modes") in the Cosmic Microwave Background (CMB). In the inflationary scenario, the amplitude of this signal is…

The characterization of the dust polarization foreground to the Cosmic Microwave Background (CMB) is a necessary step towards the detection of the B-mode signal associated with primordial gravitational waves. We present a method to simulate…

Detection of B-mode polarization of the cosmic microwave background (CMB) radiation is one of the frontiers of observational cosmology. Because they are an order of magnitude fainter than E-modes, it is quite a challenge to detect B-modes.…

Cosmology and Nongalactic Astrophysics · Physics 2013-01-23 Ata Karakci , P. M. Sutter , Le Zhang , Emory F. Bunn , Andrei Korotkov , Peter Timbie , Gregory S. Tucker , Benjamin D. Wandelt

Since the first detection by the DASI experiment in 2002, measurements of the polarization of the cosmic microwave background (CMB) have grown into an important role in testing our understanding of conditions in the early universe and…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-06 M. Rahimi , C. L. Reichardt

Recently the second phase of Background Imaging of Cosmic Extragalactic Polarization (BICEP2) claimed a detection of the tensor-to-scalar ratio ($r$) of primordial fluctuation at $5\sigma$ confidence level. If it is true, this large and…

Cosmology and Nongalactic Astrophysics · Physics 2014-08-06 Yi Wang , Yin-Zhe Ma

The Q $\&$ U Bolometric Interferometer for Cosmology (QUBIC) is a novel kind of polarimeter optimized for the measurement of the B-mode polarization of the Cosmic Microwave Background (CMB), which is one of the major challenges of…

Instrumentation and Methods for Astrophysics · Physics 2022-04-27 J. -Ch. Hamilton , L. Mousset , E. S. Battistelli , M. -A. Bigot-Sazy , P. Chanial , R. Charlassier , G. D'Alessandro , P. de Bernardis , M. De Petris , M. M. Gamboa Lerena , L. Grandsire , S. Lau , S. Marnieros , S. Masi , A. Mennella , C. O'Sullivan , M. Piat , G. Riccardi , C. Scóccola , M. Stolpovskiy , A. Tartari , S. A. Torchinsky , F. Voisin , M. Zannoni , P. Ade , J. G. Alberro , A. Almela , G. Amico , L. H. Arnaldi , D. Auguste , J. Aumont , S. Azzoni , S. Banfi , B. Bélier , A. Baù , D. Bennett , L. Bergé , J. -Ph. Bernard , M. Bersanelli , J. Bonaparte , J. Bonis , E. Bunn , D. Burke , D. Buzi , F. Cavaliere , C. Chapron , A. C. Cobos Cerutti , F. Columbro , A. Coppolecchia , G. De Gasperis , M. De Leo , S. Dheilly , C. Duca , L. Dumoulin , A. Etchegoyen , A. Fasciszewski , L. P. Ferreyro , D. Fracchia , C. Franceschet , K. M. Ganga , B. García , M. E. García Redondo , M. Gaspard , D. Gayer , M. Gervasi , M. Giard , V. Gilles , Y. Giraud-Heraud , M. Gómez Berisso , M. González , M. Gradziel , M. R. Hampel , D. Harari , S. Henrot-Versillé , F. Incardona , E. Jules , J. Kaplan , C. Kristukat , L. Lamagna , S. Loucatos , T. Louis , B. Maffei , W. Marty , A. Mattei , A. May , M. McCulloch , L. Mele , D. Melo , L. Montier , L. M. Mundo , J. A. Murphy , J. D. Murphy , F. Nati , E. Olivieri , C. Oriol , A. Paiella , F. Pajot , A. Passerini , H. Pastoriza , A. Pelosi , C. Perbost , M. Perciballi , F. Pezzotta , F. Piacentini , L. Piccirillo , G. Pisano , M. Platino , G. Polenta , D. Prêle , R. Puddu , D. Rambaud , P. Ringegni , G. E. Romero , E. Rasztocky , J. M. Salum , A. Schillaci , S. Scully , S. Spinelli , G. Stankowiak , A. D. Supanitsky , J. -P. Thermeau , P. Timbie , M. Tomasi , C. Tucker , G. Tucker , D. Viganò , N. Vittorio , F. Wicek , M. Wright , A. Zullo

Future observations of cosmic microwave background (CMB) polarisation have the potential to answer some of the most fundamental questions of modern physics and cosmology. In this paper, we list the requirements for a future CMB polarisation…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 J. Delabrouille , P. de Bernardis , F. R. Bouchet , A. Achúcarro , P. A. R. Ade , R. Allison , F. Arroja , E. Artal , M. Ashdown , C. Baccigalupi , M. Ballardini , A. J. Banday , R. Banerji , D. Barbosa , J. Bartlett , N. Bartolo , S. Basak , J. J. A. Baselmans , K. Basu , E. S. Battistelli , R. Battye , D. Baumann , A. Benoît , M. Bersanelli , A. Bideaud , M. Biesiada , M. Bilicki , A. Bonaldi , M. Bonato , J. Borrill , F. Boulanger , T. Brinckmann , M. L. Brown , M. Bucher , C. Burigana , A. Buzzelli , G. Cabass , Z. -Y. Cai , M. Calvo , A. Caputo , C. -S. Carvalho , F. J. Casas , G. Castellano , A. Catalano , A. Challinor , I. Charles , J. Chluba , D. L. Clements , S. Clesse , S. Colafrancesco , I. Colantoni , D. Contreras , A. Coppolecchia , M. Crook , G. D'Alessandro , G. D'Amico , A. da Silva , M. de Avillez , G. de Gasperis , M. De Petris , G. de Zotti , L. Danese , F. -X. Désert , V. Desjacques , E. Di Valentino , C. Dickinson , J. M. Diego , S. Doyle , R. Durrer , C. Dvorkin , H. -K. Eriksen , J. Errard , S. Feeney , R. Fernández-Cobos , F. Finelli , F. Forastieri , C. Franceschet , U. Fuskeland , S. Galli , R. T. Génova-Santos , M. Gerbino , E. Giusarma , A. Gomez , J. González-Nuevo , S. Grandis , J. Greenslade , J. Goupy , S. Hagstotz , S. Hanany , W. Handley , S. Henrot-Versillé , C. Hernández-Monteagudo , C. Hervias-Caimapo , M. Hills , M. Hindmarsh , E. Hivon , D. T. Hoang , D. C. Hooper , B. Hu , E. Keihänen , R. Keskitalo , K. Kiiveri , T. Kisner , T. Kitching , M. Kunz , H. Kurki-Suonio , G. Lagache , L. Lamagna , A. Lapi , A. Lasenby , M. Lattanzi , A. M. C. Le Brun , J. Lesgourgues , M. Liguori , V. Lindholm , J. Lizarraga , G. Luzzi , J. F. Macìas-Pérez , B. Maffei , N. Mandolesi , S. Martin , E. Martinez-Gonzalez , C. J. A. P. Martins , S. Masi , M. Massardi , S. Matarrese , P. Mazzotta , D. McCarthy , A. Melchiorri , J. -B. Melin , A. Mennella , J. Mohr , D. Molinari , A. Monfardini , L. Montier , P. Natoli , M. Negrello , A. Notari , F. Noviello , F. Oppizzi , C. O'Sullivan , L. Pagano , A. Paiella , E. Pajer , D. Paoletti , S. Paradiso , R. B. Partridge , G. Patanchon , S. P. Patil , O. Perdereau , F. Piacentini , M. Piat , G. Pisano , L. Polastri , G. Polenta , A. Pollo , N. Ponthieu , V. Poulin , D. Prêle , M. Quartin , A. Ravenni , M. Remazeilles , A. Renzi , C. Ringeval , D. Roest , M. Roman , B. F. Roukema , J. -A. Rubino-Martin , L. Salvati , D. Scott , S. Serjeant , G. Signorelli , A. A. Starobinsky , R. Sunyaev , C. Y. Tan , A. Tartari , G. Tasinato , L. Toffolatti , M. Tomasi , J. Torrado , D. Tramonte , N. Trappe , S. Triqueneaux , M. Tristram , T. Trombetti , M. Tucci , C. Tucker , J. Urrestilla , J. Väliviita , R. Van de Weygaert , B. Van Tent , V. Vennin , L. Verde , G. Vermeulen , P. Vielva , N. Vittorio , F. Voisin , C. Wallis , B. Wandelt , I. Wehus , J. Weller , K. Young , M. Zannoni

We report an improved measurement of the cosmic microwave background (CMB) $B$-mode polarization power spectrum with the POLARBEAR experiment at 150 GHz. By adding new data collected during the second season of observations (2013-2014) to…

Observations of linear polarization in the 2-8 keV energy range with the Imaging X-ray Polarimetry Explorer (IXPE) explore the magnetic field geometry and dynamics of the regions generating non-thermal radiation in relativistic jets of…

High Energy Astrophysical Phenomena · Physics 2024-02-26 Manel Errando , Ioannis Liodakis , Alan P. Marscher , Herman L. Marshall , Riccardo Middei , Michela Negro , Abel Lawrence Peirson , Matteo Perri , Simonetta Puccetti , Pazit L. Rabinowitz , Iván Agudo , Svetlana G. Jorstad , Sergey S. Savchenko , Dmitry Blinov , Ioakeim G. Bourbah , Sebastian Kiehlmann , Evangelos Kontopodis , Nikos Mandarakas , Stylianos Romanopoulos , Raphael Skalidis , Anna Vervelaki , Francisco José Aceituno , Maria I. Bernardos , Giacomo Bonnoli , Víctor Casanova , Beatriz Agís-González , César Husillos , Alessandro Marchini , Alfredo Sota , Pouya M. Kouch , Elina Lindfors , Carolina Casadio , Juan Escudero , Ioannis Myserlis , Ryo Imazawa , Mahito Sasada , Yasushi Fukazawa , Koji S. Kawabata , Makoto Uemura , Tsunefumi Mizuno , Tatsuya Nakaoka , Hiroshi Akitaya , Mark Gurwell , Garrett K. Keating , Ramprasad Rao , Adam Ingram , Francesco Massaro , Lucio Angelo Antonelli , Raffaella Bonino , Elisabetta Cavazzuti , Chien-Ting Chen , Nicolò Cibrario , Stefano Ciprini , Alessandra De Rosa , Laura Di Gesu , Federico Di Pierro , Immacolata Donnarumma , Steven R. Ehlert , Francesco Fenu , Ephraim Gau , Vladimir Karas , Dawoon E. Kim , Henric Krawczynski , Marco Laurenti , Lindsey Lisalda , Rubén López-Coto , Grzegorz Madejski , Frédéric Marin , Andrea Marinucci , Ikuyuki Mitsuishi , Fabio Muleri , Luigi Pacciani , Alessandro Paggi , Pierre-Olivier Petrucci , Nicole Rodriguez Cavero , Roger W. Romani , Fabrizio Tavecchio , Stefano Tugliani , Kinwah Wu , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Alessandro Brez , Niccolò Bucciantini , Fiamma Capitanio , Simone Castellano , Enrico Costa , Ettore Del Monte , Niccolò Di Lalla , Alessandro Di Marco , Victor Doroshenko , Michal Dovčiak , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Philip Kaaret , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Fabio La Monaca , Luca Latronico , Simone Maldera , Alberto Manfreda , Giorgio Matt , C. -Y. Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Melissa Pesce-Rollins , Maura Pilia , Andrea Possenti , Juri Poutanen , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Carmelo Sgrò , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Fabrizio Tavecchio , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Fei Xie , Silvia Zane

Constraining the Galactic foregrounds with multi-frequency Cosmic Microwave Background (CMB) observations is an essential step towards ultimately reaching the sensitivity to measure primordial gravitational waves (PGWs), the sign of…

The quest for primordial gravitational waves enclosed in the Cosmic Microwave Background (CMB) polarization B-modes signal motivates the development of a new generation of high sensitive experiments (e.g. CMB-S4, LiteBIRD) that would allow…

We present a measurement of the temperature-polarization angular cross power spectrum, <TE>, of the Cosmic Microwave Background. The result is based on $\sim 200$ hours of data from 8 polarization sensitive bolometers operating at 145 GHz…

We present a Gaussianity test of the cosmic microwave background (CMB) polarization by analyzing the statistics of unpolarized points in the sky, classified into three distinct types: saddles, comets, and beaks. This classification of…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-01 K. O. Parfenov , D. I. Novikov , A. O. Mihalchenko