Results 21 to 30 of about 1,134 (172)
Hidden dark matter from Starobinsky inflation
Journal of High Energy Physics, 2021 The Starobinsky inflation model is one of the simplest inflation models that is consistent with the cosmic microwave background observations. In order to explain dark matter of the universe, we consider a minimal extension of the Starobinsky inflation ...Qiang Li, Takeo Moroi, Kazunori Nakayama, Wen Yin +3 moredoaj +1 more sourceEuclid preparation. Simulations and non-linearities beyond Lambda cold dark matter. I. Numerical methods and validation [PDF]
Astronomy & AstrophysicsTo constrain cosmological models beyond Lambda CDM, the development of the analysis pipeline requires simulations that capture the non-linear phenomenology of such models.Euclid Collaboration J. Adamek, B. Fiorini, M. Baldi, G. Brando, M.-A. Breton, F. Hassani, K. Koyama, A. Brun, G. R'acz, H. Winther, A. Casalino, C. Hern'andez-Aguayo, B. Li, D. Potter, E. Altamura, C. Carbone, C. Giocoli, D. F. Mota, A. Pourtsidou, Z. Sakr, F. Vernizzi, A. Amara, S. Andreon, N. Auricchio, C. Baccigalupi, S. Bardelli, P. Battaglia, D. Bonino, E. Branchini, M. Brescia, J. Brinchmann, A. Caillat, S. Camera, V. Capobianco, V. Cardone, J. Carretero, S. Casas, F. Castander, M. Castellano, G. Castignani, S. Cavuoti, A. Cimatti, C. Colodro-Conde, G. Congedo, C. Conselice, L. Conversi, Y. Copin, F. Courbin, H. Courtois, A. Silva, H. Degaudenzi, G. Lucia, M. Douspis, F. Dubath, X. Dupac, S. Dusini, M. Farina, S. Farrens, S. Ferriol, P. Fosalba, M. Frailis, E. Franceschi, M. Fumana, S. Galeotta, B. Gillis, P. G'omez-Alvarez, A. Grazian, F. Grupp, L. Guzzo, S. Haugan, W. Holmes, F. Hormuth, A. Hornstrup, S. Ili'c, K. Jahnke, M. Jhabvala, B. Joachimi, E. Keihanen, S. Kermiche, A. Kiessling, M. Kilbinger, B. Kubik, M. Kummel, M. Kunz, H. Kurki-Suonio, S. Ligori, P. Lilje, V. Lindholm, I. Lloro, G. Mainetti, E. Maiorano, O. Mansutti, O. Marggraf, K. Markovič, M. Martinelli, N. Martinet, F. Marulli, R. Massey, E. Medinaceli, S. Mei, M. Melchior, Y. Mellier, M. Meneghetti, E. Merlin, G. Meylan, Michele Moresco, L. Moscardini, C. Neißner, S. Niemi, C. Padilla, S. Paltani, F. Pasian, K. Pedersen, W. Percival, V. Pettorino, S. Pires, G. Polenta, M. Poncet, L. Popa, L. Pozzetti, F. Raison, A. Renzi, J. Rhodes, G. Riccio, E. Romelli, M. Roncarelli, R. Saglia, A. S'anchez, D. Sapone, B. Sartoris, M. Schirmer, T. Schrabback, A. Secroun, G. Seidel, S. Serrano, C. Sirignano, G. Sirri, L. Stanco, J. Steinwagner, P. Tallada-Cresp'i, D. Tavagnacco, I. Tereno, R. Toledo-Moreo, F. Torradeflot, I. Tutusaus, E. Valentijn, L. Valenziano, T. Vassallo, G. Kleijn, A. Veropalumbo, Y. Wang, J. Weller, G. Zamorani, E. Zucca, A. Biviano, C. Burigana, M. Calabrese, D. D. Ferdinando, J. Vigo, G. Fabbian, F. Finelli, J. Graciá-Carpio, S. Matthew, N. Mauri, A. Pezzotta, M. Pontinen, V. Scottez, M. Tenti, M. Viel, M. Wiesmann, Y. Akrami, V. Allevato, S. Anselmi, M. Archidiacono, F. Atrio-Barandela, A. Balaguera-Antolínez, M. Ballardini, A. Blanchard, L. Blot, H. Bohringer, S. Borgani, S. Bruton, R. Cabanac, A. Calabrò, B. Quevedo, G. Cañas-Herrera, A. Cappi, F. Caro, C. Carvalho, T. Castro, K. Chambers, S. Contarini, A. Cooray, G. Desprez, A. D'iaz-S'anchez, J. Diaz, S. Domizio, H. Dole, S. Escoffier, A. Ferrari, P. G. Ferreira, I. Ferrero, A. Finoguenov, F. Fornari, L. Gabarra, K. Ganga, J. Garc'ia-Bellido, T. Gasparetto, V. Gautard, E. Gaztañaga, F. Giacomini, F. Gianotti, G. Gozaliasl, C. M. Gutiérrez, A. Hall, H. Hildebrandt, J. Hjorth, A. Muñoz, S. Joudaki, J. Kajava, Vanshika Kansal, D. Karagiannis, C. Kirkpatrick, S. Kruk, J. L. Graet, L. Legrand, J. Lesgourgues, T. Liaudat, A. Loureiro, G. Maggio, M. Magliocchetti, F. Mannucci, R. Maoli, C. Martins, L. Maurin, R. B. Metcalf, M. Migliaccio, M. Miluzio, P. Monaco, A. Montoro, A. Mora, C. Moretti, G. Morgante, S. Nadathur, L. Patrizii, V. Popa, P. Reimberg, I. Risso, P. Rocci, M. Sahl'en, E. Sarpa, A. Schneider, M. Sereno, A. Silvestri, A. Mancini, K. Tanidis, C. Tao, N. Tessore, G. Testera, R. Teyssier, S. Toft, S. Tosi, A. Troja, M. Tucci, C. Valieri, J. Valiviita, D. Vergani, G. Verza, P. Vielzeuf, N. U. D. O. Astrophysics, U. Zurich, Winterthurerstrasse 190, 8093 Zurich, Switzerland., Institute of Cosmology, Gravitation, U. Portsmouth, PO1 3FX, Uk, D. Astronomia, U. Bologna, V. G. 932, 40129 Bologna, Italy, I. Bologna, V. G. 933, I. Bologna, 62 vialeBertiPichat, 40129 Bologna, M. F. P. Physics, 1. AmMuhlenberg, D-14476 Potsdam-Golm, Germany, Institute of Space Sciences, Campus Uab, Carrer de Can Magrans, Sn, 08193 Barcelona, Spain., Institut de Ci'encies de l'Espai, sn Cerdanyola del Vall'es, Laboratoire Univers et Th'eorie, Observatoire de Paris, Universit'e Psl, Universit'e de Paris Cit'e, Cnrs, 92190 Meudon, France, I. Astrophysics, U. Oslo, P. O. B. 1. Blindern, 0315 Oslo, Norway., Jet propulsion Laboratory, C. I. O. Technology., 4800 Oak Grove Drive, Pasadena, Ca, 91109, Usa, M. F. Astrophysik, Karl-Schwarzschild-Str.1, 85748 Garching, D. Physics, Institute for Computational Cosmology, D. University, S. Road, DH1 3LE, J. B. C. F. Astrophysics, Astronomy, U. Manchester, Oxford Road, M13 9PL, Inaf-Iasf Milano, 12 ViaAlfonsoCorti, 20133 Milano, Istituto Nazionale Fisica Nucleare, Sezione Infn di Bologna, 46 ViaIrnerio, 40129 Bologna, Institute for Astronomy, U. Edinburgh, R. Observatory, B. Hill, Edinburgh EH9 3HJ, H. C. F. T. Physics, S. O. Physics, T. D. O. Edinburgh, Edinburgh EH9 3FD, I. Physik, U. Heidelberg, 16 Philosophenweg, 69117 Heidelberg, Institut de Recherche en Astrophysique et Plan'etologie, U. Toulouse, Ups, Cnes, 14 Avenue Edouard Belin, 31400 Toulouse, Universit'e St Joseph, F. O. Sciences, Beirut, Lebanon, Institut de Physique Th'eorique, Cea, Universit'e Paris-Saclay 91191 Gif-sur-Yvette Cedex, S. O. Mathematics, Physics, U. Surrey, Guildford, Surrey, GU2 7XH, Inaf Brera, 28 ViaBrera, 20133 Milano, Ifpu, Institute for Fundamental Physics of the Universe, 2. viaBeirut, 34127 Trieste, Inaf - Trieste, 11 ViaG.B.Tiepolo, 34127 Trieste, Infn, Sezione di Trieste, 2. ViaValerio, TS 34127Trieste, Sissa, International School for Advanced Studies, Via Bonomea 265, TS 34136Trieste, I. A. D. Torino, 20 viaOsservatorio, 1. P. Torinese, D. Fisica, U. Genova, 33 viaDodecaneso, 16146, Genova, I. Genova, Department of PhysicsE. Pancini, U. Federico, 6. ViaCinthia, 80126, Napoli, I. -. Capodimonte, 16 viaMoiariello, 80131 Napoli, I. Naples, I. D. A. E. C. D. Espacco, U. Porto, Caup, Rua das Estrelas, P. Porto, Portugal, Faculdade de Ciencias da Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, A. Universit'e, Lam, Marseille, U. Torino, 1. ViaP.Giuria, 10125 Torino, I. Torino, I. Roma, 33 viaFrascati, 00078 Monte Porzio Catone, I. Roma, P. A. Moro, 2. -. C. D. D. Fisica, Edificio G. Marconi, 00133 Roma, Centro de Investigaciones Energ'eticas, Medioambientales y Tecnol'ogicas, 40 AvenidaComplutense, 28014 Madrid, Port d'Informaci'o Cient'ifica, C. Sn, 08193 Bellaterra, I. F. Physics, Cosmology, Rwth Aachen University, 52056 Aachen, I. D. E. D. Catalunya, Edifici Rdit, C. Upc, 08860 Castelldefels, Barcelona, D. Bologna, Instituto de Astrof'isica de Canarias, C. V. L. sn, 38204, San Crist'obal de La Laguna, Tenerife, European Space AgencyESRIN, 1. LargoGalileoGalilei, 00044 Frascati, Roma, Esacesa, Camino Bajo de Castillo, Sn, Urb. Villafranca del Castillo, 28692 Villanueva de la Canada, Madrid, 1. Universit'eClaudeBernardLyon, CNRSIN2p3, I. Lyon, Umr 5822, Villeurbanne, F-69100, I. O. Physics, Laboratory of Astrophysics, E. P. F. Lausanne, Observatoire de Sauverny, 1290 Versoix, Institut de Ci'encies del Cosmos, U. Barcelona, 1. Mart'iiFranques, 08193 Barcelona, I. C. D. R. I. E. Avanccats, 23 PasseigdeLlu'isCompanys, 08193 Barcelona, 1. UCBLyon, Iuf, 4. R. E. Fermi, 69622 Villeurbanne, Departament de F'isica, F. Ciencias, Universidade T'ecnica de Lisboa, C8 Edif'icio, C. Grande, P. Lisboa, 1049-001 Lisboa, D. O. Astronomy, U. Geneva, 16 ch.d'Ecogia, Universit'e Paris-Saclay, I. D. Spatiale, 91405, Orsay +499 moresemanticscholar +1 more sourceImproved bounds on ℤ3 singlet dark matter
Journal of High Energy Physics, 2019 We reconsider complex scalar singlet dark matter stabilised by a ℤ3 symmetry. We refine the stability bounds on the potential and use constraints from unitarity on scattering at finite energy to place a stronger lower limit on the direct detection cross ...A. Hektor, A. Hryczuk, K. Kannikedoaj +1 more sourceForbidden frozen-in dark matter
Journal of High Energy Physics, 2019 We examine and point out the importance of a regime of dark matter pro- duction through the freeze-in mechanism that results from a large thermal correction to a decaying mediator particle mass from hot plasma in the early Universe. We show that mediator L. Darmé, A. Hryczuk, D. Karamitros, L. Roszkowski +3 moredoaj +1 more sourceGravitational waves from supercool axions
Journal of High Energy Physics, 2020 We study the dynamics of the Peccei-Quinn (PQ) phase transition for the QCD axion. In weakly coupled models the transition is typically second order except in the region of parameters where the PQ symmetry is broken through the Coleman-Weinberg mechanism.Luigi Delle Rose, Giuliano Panico, Michele Redi, Andrea Tesi +3 moredoaj +1 more sourceEuclid preparation. LXIII. Simulations and non-linearities beyond Lambda cold dark matter. 2. Results from non-standard simulations [PDF]
Astronomy & AstrophysicsThe mission will measure cosmological parameters with unprecedented precision. To distinguish between cosmological models, it is essential to generate realistic mock observables from cosmological simulations that were run in both the standard Λ-cold-dark-Euclid Collaboration G. R'acz, M.-A. Breton, B. Fiorini, A. Brun, H. Winther, Z. Sakr, L. Pizzuti, A. Ragagnin, T. Gayoux, E. Altamura, E. Carella, K. Pardede, G. Verza, K. Koyama, M. Baldi, A. Pourtsidou, F. Vernizzi, A. G. Adame, J. Adamek, S. Ávila, C. Carbone, G. Despali, C. Giocoli, C. Hern'andez-Aguayo, F. Hassani, M. Kunz, B. Li, Y. Rasera, G. Yepes, V. Gonzalez-Perez, Pier Stefano Corasaniti, J. Garc'ia-Bellido, N. Hamaus, A. Kiessling, M. Marinucci, C. Moretti, D. F. Mota, L. Piga, A. Pisani, I. Szapudi, P. Tallada-Cresp'i, N. Aghanim, S. Andreon, C. Baccigalupi, S. Bardelli, D. Bonino, E. Branchini, M. Brescia, J. Brinchmann, S. Camera, V. Capobianco, V. Cardone, J. Carretero, S. Casas, M. Castellano, G. Castignani, S. Cavuoti, A. Cimatti, C. Colodro-Conde, G. Congedo, C. Conselice, L. Conversi, Y. Copin, F. Courbin, H. Courtois, A. Silva, H. Degaudenzi, G. Lucia, M. Douspis, F. Dubath, C. Duncan, X. Dupac, S. Dusini, A. Ealet, M. Farina, S. Farrens, S. Ferriol, P. Fosalba, M. Frailis, E. Franceschi, M. Fumana, S. Galeotta, B. Gillis, P. G'omez-Alvarez, A. Grazian, F. Grupp, S. Haugan, W. Holmes, F. Hormuth, A. Hornstrup, S. Ili'c, K. Jahnke, M. Jhabvala, B. Joachimi, E. Keihanen, S. Kermiche, M. Kilbinger, T. Kitching, B. Kubik, H. Kurki-Suonio, P. Lilje, V. Lindholm, I. Lloro, G. Mainetti, E. Maiorano, O. Mansutti, O. Marggraf, K. Markovič, M. Martinelli, N. Martinet, F. Marulli, R. Massey, E. Medinaceli, S. Mei, Y. Mellier, M. Meneghetti, G. Meylan, Michele Moresco, L. Moscardini, S. Niemi, C. Padilla, S. Paltani, F. Pasian, K. Pedersen, W. Percival, V. Pettorino, S. Pires, G. Polenta, M. Poncet, L. Popa, F. Raison, R. Rebolo, A. Renzi, J. Rhodes, G. Riccio, E. Romelli, M. Roncarelli, R. Saglia, J. Salvignol, A. S'anchez, D. Sapone, B. Sartoris, M. Schirmer, T. Schrabback, A. Secroun, G. Seidel, S. Serrano, C. Sirignano, G. Sirri, L. Stanco, J. Steinwagner, A. Taylor, I. Tereno, R. Toledo-Moreo, F. Torradeflot, I. Tutusaus, L. Valenziano, T. Vassallo, G. Kleijn, Y. Wang, J. Weller, E. Zucca, A. Biviano, A. Boucaud, E. Bozzo, C. Burigana, M. Calabrese, D. D. Ferdinando, J. Vigo, G. Fabbian, F. Finelli, J. Graciá-Carpio, S. Matthew, N. Mauri, A. Pezzotta, M. Pontinen, C. Porciani, V. Scottez, M. Tenti, M. Viel, M. Wiesmann, Y. Akrami, V. Allevato, S. Anselmi, M. Archidiacono, F. Atrio-Barandela, A. Balaguera-Antolínez, M. Ballardini, D. Bertacca, L. Blot, S. Borgani, S. Bruton, R. Cabanac, A. Calabrò, B. Quevedo, A. Cappi, F. Caro, C. Carvalho, T. Castro, K. Chambers, S. Contarini, A. Cooray, B. Caro, S. D. Torre, G. Desprez, A. D'iaz-S'anchez, J. Diaz, S. Domizio, H. Dole, S. Escoffier, A. Ferrari, P. G. Ferreira, I. Ferrero, A. Fontana, F. Fornari, L. Gabarra, K. Ganga, T. Gasparetto, E. Gaztañaga, F. Giacomini, F. Gianotti, G. Gozaliasl, C. M. Gutiérrez, A. Hall, H. Hildebrandt, J. Hjorth, A. Muñoz, J. Kajava, Vanshika Kansal, D. Karagiannis, C. Kirkpatrick, F. Lacasa, J. L. Graet, L. Legrand, J. Lesgourgues, T. Liaudat, A. Loureiro, J. Macías-Pérez, G. Maggio, M. Magliocchetti, F. Mannucci, R. Maoli, C. Martins, L. Maurin, R. B. Metcalf, M. Miluzio, P. Monaco, A. Montoro, A. Mora, G. Morgante, S. Nadathur, N. A. Walton, L. Patrizii, V. Popa, D. Potter, P. Reimberg, I. Risso, P. Rocci, M. Sahl'en, A. Schneider, M. Sereno, A. Silvestri, A. Mancini, J. Stadel, K. Tanidis, C. Tao, N. Tessore, G. Testera, R. Teyssier, S. Toft, S. Tosi, A. Troja, M. Tucci, C. Valieri, J. Valiviita, D. Vergani, P. Laboratory, C. I. O. Technology., 4800 Oak Grove Drive, Pasadena, Ca, 91109, Usa, D. Physics, 64 P.O.Box, 0. Helsinki, Finland., Institute of Space Sciences, Campus Uab, Carrer de Can Magrans, Sn, 08193 Barcelona, Spain., Institut de Ci'encies de l'Espai, sn Cerdanyola del Vall'es, Laboratoire Univers et Th'eorie, Observatoire de Paris, Universit'e Psl, Universit'e de Paris Cit'e, Cnrs, 92190 Meudon, France, Institute of Cosmology, Gravitation, U. Portsmouth, PO1 3FX, Uk, S. O. Physics, Astronomy, Queen Mary University London, Mile End Road, London E1 4NS, I. D. Paris, Umr 7095, Sorbonne Universit'e, 98 bis boulevard Arago, 7. Paris, I. Astrophysics, U. Oslo, P. O. B. 1. Blindern, 0315 Oslo, Norway., I. Physik, U. Heidelberg, 16 Philosophenweg, 69117 Heidelberg, Germany, Institut de Recherche en Astrophysique et Plan'etologie, U. Toulouse, Ups, Cnes, 14 Avenue Edouard Belin, 31400 Toulouse, Universit'e St Joseph, F. O. Sciences, Beirut, Lebanon, Dip. di FisicaG. Occhialini, U. Bicocca, 3. piazzadellaScienza, 20133 Milano, Italy, I. Bologna, V. G. 933, 40129 Bologna, Ifpu, Institute for Fundamental Physics of the Universe, 2. viaBeirut, 34127 Trieste, D. Bologna, V. G. 932, I. -. C. N. D. R. I. H. P. Computing, Big Data e Quantum Computing, 2. ViaMagnanelli, Bologna, J. B. C. F. Astrophysics, U. Manchester, Oxford Road, M13 9PL, Inaf-Iasf Milano, 12 ViaAlfonsoCorti, 20133 Milano, Dipartimento di FisicaAldo Pontremoli, U. Milano, 16 viaCeloria, I. Parma, Viale delle Scienze 7A 43124 Parma, Sissa, International School for Advanced Studies, Via Bonomea 265, TS 34136Trieste, International Center for Theoretical Physics, 11 StradaCostiera, Center for Particle Cosmology, P. Physics, N. University, New York., NY 10003, Center for Computational Astrophysics, Flatiron Institute, 140 West 18th Avenue, 10010, Ny, D. Astronomia, U. Bologna, V. G. 932, I. Bologna, 62 vialeBertiPichat, 40129 Bologna, Institute for Astronomy, U. Edinburgh, R. Observatory, B. Hill, Edinburgh EH9 3HJ, H. C. F. T. Physics, T. D. O. Edinburgh, Edinburgh EH9 3FD, Institut de Physique Th'eorique, Cea, Universit'e Paris-Saclay 91191 Gif-sur-Yvette Cedex, Departamento de F'isica Te'orica, F. Ciencias, U. A. D. Madrid, 28049 Cantoblanco, Madrid, Instituto de F'isica Te'orica UAM-CSIC, C. Cantoblanco, 28014 Madrid, Centro de Investigaci'on Avanzada en F'isica Fundamental, D. O. Astrophysics, U. Zurich, Winterthurerstrasse 190, 8093 Zurich, Switzerland., Institut de F'isica d'Altes Energies, T. Z. F. O. Science, Technology, 08193 Bellaterra, Istituto Nazionale Fisica Nucleare, Sezione Infn di Bologna, 46 ViaIrnerio, 40129 Bologna, M. F. Astrophysik, Karl-Schwarzschild-Str.1, 85748 Garching, U. Geneve, D'epartement de Physique Th'eorique, Centre for Theoretical Physics, 24 quai Ernest-Ansermet, 4. CH-1211Geneve, Institute for Computational Cosmology, D. University, S. Road, DH1 3LE, Institut universitaire de France, 1. R. Descartes, 05 75231PARISCEDEX, Universitatssternwarte Munchen, F. Physik, Ludwig-Maximilians-Universitat Munchen, 1. Scheinerstrasse, 8. Munchen, Excellence Cluster Origins, 2. Boltzmannstrasse, D. Galilei', U. Padova, 8. viaMarzolo, 35131 Padova, INFN-Padova, Inaf - Trieste, 11 ViaG.B.Tiepolo, 34127 Trieste, Infn, Sezione di Trieste, 2. ViaValerio, TS 34127Trieste, Dipartimento di Scienze Matematiche, Fisiche e Informatiche, U. Parma, A. Universit'e, CNRSIN2p3, Cppm, Marseille, D. Sciences, P. Hall, P. University., Princeton, NJ 08544, T. Z. F. O. Science, Art, 41 Cooper Square, U. Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822, Centro de Investigaciones Energ'eticas, Medioambientales y Tecnol'ogicas, 40 AvenidaComplutense, 28014 Madrid, Port d'Informaci'o Cient'ifica, C. Sn, Universit'e Paris-Saclay, I. D. Spatiale, 91405, Orsay, Inaf Brera, 28 ViaBrera, 20133 Milano, I. A. D. Torino, 20 viaOsservatorio, 1. P. Torinese, D. Fisica, U. Genova, 33 viaDodecaneso, 16146, Genova, I. Genova, Department of PhysicsE. Pancini, U. Federico, 6. ViaCinthia +499 moresemanticscholar +1 more source