S
Steen Hannestad
Researcher at Aarhus University
Publications - 311
Citations - 15372
Steen Hannestad is an academic researcher from Aarhus University. The author has contributed to research in topics: Neutrino & Cosmic microwave background. The author has an hindex of 66, co-authored 301 publications receiving 13543 citations. Previous affiliations of Steen Hannestad include Aalborg University & University of Southern Denmark.
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Light Sterile Neutrinos: A White Paper
Kevork N. Abazajian,M. A. Acero,Sanjib Kumar Agarwalla,Alexis A. Aguilar-Arevalo,Carl H. Albright,Stefan Antusch,Carlos Arguelles,A. B. Balantekin,Gabriela Barenboim,Vernon Barger,P. Bernardini,Fedor Bezrukov,Ole Eggers Bjælde,S. A. Bogacz,Nathaniel Bowden,Alexey Boyarsky,A. Bravar,D. Bravo Berguño,S. J. Brice,A. Bross,B. Caccianiga,F. Cavanna,E. J. Chun,B. T. Cleveland,Antoine Collin,P. Coloma,Janet Conrad,M. Cribier,A. Cucoanes,Juan Carlos D'Olivo,Sudeep Das,A. de Gouvea,A. V. Derbin,Ranjan Dharmapalan,J. S. Díaz,X. J. Ding,Z. Djurcic,Andrea Donini,D. Duchesneau,H. Ejiri,S. R. Elliott,D. J. Ernst,A. Esmaili,J. J. Evans,Enrique Fernandez-Martinez,Enectali Figueroa-Feliciano,B. T. Fleming,Joseph A. Formaggio,D. Franco,J. Gaffiot,R. Gandhi,Y. Gao,G. T. Garvey,V. N. Gavrin,Pomita Ghoshal,D. Gibin,Carlo Giunti,Sergei Gninenko,V. V. Gorbachev,Dmitry Gorbunov,R. Guenette,A. Guglielmi,Francis Halzen,Jan Hamann,Steen Hannestad,Wick Haxton,K. M. Heeger,Reyco Henning,Porfidio Hernández,Patrick Huber,W. Huelsnitz,An. Ianni,T. V. Ibragimova,Y. Karadzhov,G. Karagiorgi,G. Keefer,Y. D. Kim,Joachim Kopp,V.N. Kornoukhov,Alexander Kusenko,P. Kyberd,Paul Langacker,T. Lasserre,Marco Laveder,Audrey Letourneau,David Lhuillier,Yufeng Li,Manfred Lindner,J. M. Link,B. L. Littlejohn,Paolo Lombardi,Kenneth Long,Jacobo Lopez-Pavon,W. C. Louis,Livia Ludhova,Joseph Lykken,Pedro A. N. Machado,Michele Maltoni,W. A. Mann,D. Marfatia,C. Mariani,V. A. Matveev,Nick E. Mavromatos,Alessandro Melchiorri,Davide Meloni,O. Mena,G. Mention,Alexander Merle,E. Meroni,M. Mezzetto,G. B. Mills,Djordje Minic,Lino Miramonti,D. Mohapatra,Rabindra N. Mohapatra,C. Montanari,Y. Mori,Th. A. Mueller,Hans P. Mumm,V. N. Muratova,Ann E. Nelson,Jeffrey S. Nico,Etam Noah,J. A. Nowak,O. Yu. Smirnov,M. Obolensky,Sandip Pakvasa,O. Palamara,Marco Pallavicini,Silvia Pascoli,L. Patrizii,Z. Pavlovic,Orlando L. G. Peres,H. Pessard,F. Pietropaolo,Michael Pitt,Milorad Popovic,Josef Pradler,Gioacchino Ranucci,H. Ray,Soebur Razzaque,B. Rebel,R. G. H. Robertson,Werner Rodejohann,S. D. Rountree,C. Rubbia,Oleg Ruchayskiy,Paola Sala,Kate Scholberg,Thomas Schwetz-Mangold,M. H. Shaevitz,Mikhail Shaposhnikov,R. Shrock,S. Simone,M. D. Skorokhvatov,M. Sorel,A. Sousa,David N. Spergel,J. Spitz,Luca Stanco,I. Stancu,A. Suzuki,Tatsu Takeuchi,Irene Tamborra,J. Tang,G. Testera,X. C. Tian,A. Tonazzo,C. Tunnell,R. G. Van de Water,Licia Verde,E. P. Veretenkin,C. Vignoli,M. Vivier,R. B. Vogelaar,M. O. Wascko,J. F. Wilkerson,Walter Winter,Yvonne Y. Y. Wong,Tsutomu T. Yanagida,Osamu Yasuda,M. Yeh,F. Yermia,Z. Yokley,G. P. Zeller,Liang Zhan,He Zhang +186 more
TL;DR: In this article, the authors address the hypothesis of light sterile neutrinos based on recent anomalies observed in neutrino experiments and the latest astrophysical data, and propose a white paper addressing this hypothesis.
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What is the lowest possible reheating temperature
TL;DR: In this paper, a lower bound on the reheating temperature of the universe was derived by combining light element abundance measurements with cosmic microwave background and large scale structure data at 95% C.
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A White Paper on keV sterile neutrino Dark Matter
Rathin Adhikari,Matteo Agostini,N. Anh Ky,N. Anh Ky,T. Araki,Maria Archidiacono,M. Bahr,J. Baur,J. Behrens,Fedor Bezrukov,P. S. Bhupal Dev,Debasish Borah,Alexey Boyarsky,A. de Gouvea,C. A. de S. Pires,H. J. de Vega,Alex G. Dias,P. Di Bari,Z. Djurcic,Kai Dolde,H. Dorrer,M. Durero,O. Dragoun,Marco Drewes,Guido Drexlin,Ch. E. Düllmann,Klaus Eberhardt,Sergey Eliseev,Christian Enss,Nick Evans,A. Faessler,Pavel Filianin,V. Fischer,Andreas Fleischmann,Joseph A. Formaggio,Jeroen Franse,F.M. Fraenkle,Carlos S. Frenk,George M. Fuller,L. Gastaldo,Antonella Garzilli,Carlo Giunti,Ferenc Glück,Maury Goodman,M. C. Gonzalez-Garcia,Dmitry Gorbunov,Dmitry Gorbunov,Jan Hamann,Volker Hannen,Steen Hannestad,Steen Honoré Hansen,C. Hassel,Julian Heeck,F. Hofmann,T. Houdy,T. Houdy,A. Huber,Dmytro Iakubovskyi,Aldo Ianni,Alejandro Ibarra,Richard Jacobsson,Tesla E. Jeltema,Josef Jochum,Sebastian Kempf,T. Kieck,M. Korzeczek,M. Korzeczek,V. N. Kornoukhov,Tobias Lachenmaier,Mikko Laine,Paul Langacker,Thierry Lasserre,J. Lesgourgues,D. Lhuillier,Yufeng Li,W. Liao,A.W. Long,Michele Maltoni,Gianpiero Mangano,Nick E. Mavromatos,Nicola Menci,Alexander Merle,Susanne Mertens,Susanne Mertens,Alessandro Mirizzi,Alessandro Mirizzi,Benjamin Monreal,A. A. Nozik,A. A. Nozik,Andrii Neronov,V. Niro,Yu. N. Novikov,L. Oberauer,Ernst W. Otten,Nathalie Palanque-Delabrouille,Marco Pallavicini,V. S. Pantuev,Emmanouil Papastergis,Stephen J. Parke,Silvia Pascoli,Sergio Pastor,Amol V. Patwardhan,Apostolos Pilaftsis,D. C. Radford,P. C.-O. Ranitzsch,O. Rest,Dean J. Robinson,P. S. Rodrigues da Silva,Oleg Ruchayskiy,Oleg Ruchayskiy,Norma G. Sanchez,Manami Sasaki,Ninetta Saviano,Ninetta Saviano,Aurel Schneider,F. Schneider,T. Schwetz,S. Schönert,S. Scholl,Francesco Shankar,Robert Shrock,N. Steinbrink,Louis E. Strigari,F. Suekane,B. Suerfu,R. Takahashi,N. Thi Hong Van,Igor Tkachev,Maximilian Totzauer,Y. Tsai,Christopher George Tully,Kathrin Valerius,José W. F. Valle,D. Vénos,Matteo Viel,M. Vivier,Mei-Yu Wang,Ch. Weinheimer,Klaus Wendt,Lindley Winslow,Joachim Wolf,Michael Wurm,Z. Xing,Shun Zhou,Kai Zuber +144 more
TL;DR: A comprehensive review of keV-scale neutrino Dark Matter can be found in this paper, where the role of active neutrinos in particle physics, astrophysics, and cosmology is reviewed.
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Updated bounds on milli-charged particles
TL;DR: In this article, the bounds on fermions with electric charge e and mass m.F or m.m ewe nd 10 15. <1 is excluded by laboratory experiments, astrophysics and cosmology.
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Self-induced conversion in dense neutrino gases: Pendulum in flavor space
TL;DR: In this paper, it was shown that the case of bipolar oscillations, where a dense gas of neutrinos and antineutrinos in equal numbers completely converts from one flavor to another even if the mixing angle is small, is equivalent to a pendulum in flavor space.