Measurement of the Cosmic Ray e+ + e- spectrum from 20 GeV to 1 TeV with the Fermi Large Area Telescope.
A. A. Abdo,Markus Ackermann,Marco Ajello,Magnus Axelsson,Luca Baldini,Jean Ballet,Guido Barbiellini,Denis Bastieri,M. Battelino,M. Battelino,B. M. Baughman,Keith Bechtol,Ronaldo Bellazzini,B. Berenji,Roger Blandford,Elliott D. Bloom,G. Bogaert,Emanuele Bonamente,A. W. Borgland,Johan Bregeon,A. Brez,M. Brigida,P. Bruel,T. H. Burnett,G. A. Caliandro,R. A. Cameron,P. A. Caraveo,P. Carlson,P. Carlson,J. M. Casandjian,Claudia Cecchi,E. Charles,A. Chekhtman,A. Chekhtman,C. C. Cheung,James Chiang,Stefano Ciprini,R. Claus,Johann Cohen-Tanugi,L. R. Cominsky,Jan Conrad,Jan Conrad,Jan Conrad,S. Cutini,Charles D. Dermer,A. De Angelis,F. de Palma,Seth Digel,G. Di Bernardo,E. Do Couto E Silva,Persis S. Drell,Richard Dubois,D. Dumora,Y. Edmonds,C. Farnier,C. Favuzzi,W. B. Focke,Marco Frailis,Yasushi Fukazawa,Stefan Funk,P. Fusco,Daniele Gaggero,F. Gargano,Dario Gasparrini,Neil Gehrels,Neil Gehrels,S. Germani,B. Giebels,Nicola Giglietto,F. Giordano,T. Glanzman,G.L. Godfrey,Dario Grasso,I. A. Grenier,M.-H. Grondin,J. E. Grove,L. Guillemot,Sylvain Guiriec,Y. Hanabata,Alice K. Harding,R. C. Hartman,M. Hayashida,E. Hays,R. E. Hughes,Gudlaugur Johannesson,A. S. Johnson,R. P. Johnson,W. N. Johnson,T. Kamae,Hideaki Katagiri,Jun Kataoka,N. Kawai,Matthew Kerr,Jürgen Knödlseder,Daniel Kocevski,F. Kuehn,M. Kuss,J. Lande,Luca Latronico,M. Lemoine-Goumard,Francesco Longo,F. Loparco,B. Lott,M. N. Lovellette,P. Lubrano,Grzegorz Madejski,A. Makeev,A. Makeev,M.M. Massai,M. N. Mazziotta,W. McConville,W. McConville,Julie McEnery,C. Meurer,Peter F. Michelson,W. Mitthumsiri,Tsunefumi Mizuno,A. A. Moiseev,A. A. Moiseev,C. Monte,M. E. Monzani,Elena Moretti,A. Morselli,Igor V. Moskalenko,S. Murgia,P. L. Nolan,J. P. Norris,E. Nuss,T. Ohsugi,Nicola Omodei,E. Orlando,J. F. Ormes,M. Ozaki,David Paneque,J. H. Panetta,D. Parent,V. Pelassa,M. Pepe,Melissa Pesce-Rollins,F. Piron,Martin Pohl,T. A. Porter,Stefano Profumo,S. Rainò,Riccardo Rando,M. Razzano,A. Reimer,Olaf Reimer,T. Reposeur,S. Ritz,S. Ritz,L.S. Rochester,A. Y. Rodriguez,Roger W. Romani,M. Roth,Felix Ryde,Felix Ryde,H. F.W. Sadrozinski,David Sánchez,A. Sander,P. M. Saz Parkinson,Jeffrey D. Scargle,T. Schalk,A. Sellerholm,Carmelo Sgrò,David Smith,P. D. Smith,Gloria Spandre,P. Spinelli,Jean-Luc Starck,T. E. Stephens,M. S. Strickman,Andrew W. Strong,D. J. Suson,H. Tajima,Hiromitsu Takahashi,Tadayuki Takahashi,Takaaki Tanaka,J. B. Thayer,J. G. Thayer,D. J. Thompson,L. Tibaldo,O. Tibolla,Diego F. Torres,G. Tosti,A. Tramacere,Yasunobu Uchiyama,T. L. Usher,A. van Etten,V. Vasileiou,V. Vasileiou,N. Vilchez,V. Vitale,A. P. Waite,E. Wallace,Paul J. Wang,Brian L Winer,K. S. Wood,T. Ylinen,T. Ylinen,T. Ylinen,M. Ziegler +201 more
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TLDR
In this article, the Fermi Large Area Telescope (Fermi LAT) was used to detect the electron spectrum up to 1 TeV using a diffusive model and a potential local extra component.Abstract:
Designed as a high-sensitivity gamma-ray observatory, the Fermi Large Area Telescope is also an electron detector with a large acceptance exceeding 2 m2 sr at 300 GeV. Building on the gamma-ray analysis, we have developed an efficient electron detection strategy which provides sufficient background rejection for measurement of the steeply falling electron spectrum up to 1 TeV. Our high precision data show that the electron spectrum falls with energy as E-3.0 and does not exhibit prominent spectral features. Interpretations in terms of a conventional diffusive model as well as a potential local extra component are briefly discussed.read more
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Journal ArticleDOI
Giant gamma-ray bubbles from fermi-lat: active galactic nucleus activity or bipolar galactic wind?
TL;DR: The gamma-ray emission associated with these bubbles has a significantly harder spectrum (dN/dE ~ E 2) than the inverse Compton emission from electrons in the Galactic disk, or the gamma rays produced by the decay of pions from proton-interstellar medium collisions.
Journal ArticleDOI
Freeze-in production of FIMP dark matter
Lawrence J. Hall,Lawrence J. Hall,Lawrence J. Hall,Karsten Jedamzik,John March-Russell,Stephen M. West,Stephen M. West +6 more
TL;DR: In this paper, the authors propose an alternate, calculable mechanism of dark matter genesis, "thermal freeze-in", involving a Feebly Interacting Massive Particle (FIMP) interacting so feebly with the thermal bath that it never attains thermal equilibrium.
Journal ArticleDOI
Design concepts for the Cherenkov Telescope Array CTA: An advanced facility for ground-based high-energy gamma-ray astronomy
Marcos Daniel Actis,G. Agnetta,Felix Aharonian,A. G. Akhperjanian,Jelena Aleksić,E. Aliu,D. Allan,Ingomar Allekotte,F.C. Antico,Louis Antonelli,P. Antoranz,A. Aravantinos,T. C. Arlen,H. Arnaldi,S. Artmann,Katsuaki Asano,Hernán Asorey,J. Bähr,Alkiviadis F. Bais,C. Baixeras,S. Bajtlik,Dimitris Balis,Aya Bamba,C. Barbier,M. Barcelo,Anna Barnacka,Jürgen Barnstedt,U. Barres de Almeida,Juan Abel Barrio,Stefano Basso,Denis Bastieri,C. Bauer,J. Becerra,J. Becerra,Yvonne Becherini,Keith Bechtol,J. K. Becker,Volker Beckmann,W. Bednarek,B. Behera,Matthias Beilicke,Massimiliano Belluso,M. Benallou,Wystan Benbow,J. Berdugo,K. Berger,K. Berger,T. Bernardino,Konrad Bernlöhr,Adrian Biland,Sergio Billotta,T. Bird,E. Birsin,Elisabetta Bissaldi,S. Blake,Oscar Blanch,A. Bobkov,Leszek Bogacz,M. Bogdan,Catherine Boisson,J. Boix,J. Bolmont,Giovanni Bonanno,A. Bonardi,Tanyu Bonev,J. Borkowski,Olga Botner,Asdrúbal Enrique Bottani,M. Bourgeat,C. Boutonnet,A. Bouvier,S. Brau-Nogue,S. Brau-Nogue,Ilana M. Braun,Thomas Bretz,Michael S. Briggs,Pierre Brun,L. Brunetti,J. H. Buckley,V. Bugaev,R. Bühler,Tomasz Bulik,G. Busetto,S. Buson,Karen Byrum,M. Cailles,R. A. Cameron,Rodolfo Canestrari,S. Cantu,E. Carmona,Alessandro Carosi,J. Carr,P.H. Carton,M. Casiraghi,H. Castarede,Osvaldo Catalano,S. Cavazzani,S. Cazaux,B. Cerruti,Matteo Cerruti,P. M. Chadwick,James Chiang,M. Chikawa,M. Cieślar,M. Ciesielska,A. Cillis,C. Clerc,Pierre Colin,Josep Colomé,M. Compin,Paolo Conconi,Valerie Connaughton,Jan Conrad,Jose Luis Contreras,Paolo De Coppi,M. Corlier,P. Corona,O. Corpace,D. Corti,Juan Cortina,Heide Costantini,Garret Cotter,B. Courty,S. Couturier,Stefano Covino,Judith H. Croston,Giancarlo Cusumano,M. K. Daniel,Francesco Dazzi,A. De Angelis,E. De Cea del Pozo,E. M. de Gouveia Dal Pino,O. C. de Jager,I. de la Calle Perez,G. De La Vega,B. De Lotto,M. de Naurois,E. de Oña Wilhelmi,V. de Souza,B. Decerprit,Christoph Deil,Eric Delagnes,G. Deleglise,C. Delgado,T. Dettlaff,A. Di Paolo,F. Di Pierro,C. Díaz,J. Dick,Hugh Dickinson,Seth Digel,Dinko Dimitrov,G. Disset,A. Djannati-Ataï,M. Doert,W. Domainko,Daniela Dorner,Michele Doro,Michele Doro,J. L. Dournaux,Dainis Dravins,Luke O'c. Drury,F. Dubois,R. Dubois,Guillaume Dubus,C. Dufour,Dominique Durand,J. Dyks,M. Dyrda,E. Edy,Kathrin Egberts,C. Eleftheriadis,Sabine Elles,Dimitrios Emmanoulopoulos,Ryoji Enomoto,J.-P. Ernenwein,Manel Errando,A. Etchegoyen,Abraham D. Falcone,K. Farakos,C. Farnier,S. Federici,F. Feinstein,Daniel Ferenc,E. Fillin-Martino,David Fink,Chad Finley,J. P. Finley,R. Firpo,D. Florin,C. Föhr,E. Fokitis,Ll. Font,G. Fontaine,Adriano Fontana,A. Förster,Lucy Fortson,N. Fouque,Claes Fransson,G.W. Fraser,L. Fresnillo,Christian Fruck,Yutaka Fujita,Yasushi Fukazawa,Stefan Funk,W. Gäbele,Stefano Gabici,A. Gadola,N. Galante,Y. A. Gallant,B. García,R. J. García López,R. J. García López,D. Garrido,L. Garrido,David Gascon,C. Gasq,Markus Gaug,J. Gaweda,N. Geffroy,C. Ghag,Adriano Ghedina,Mauro Ghigo,E. Gianakaki,S. Giarrusso,Gianluca Giavitto,B. Giebels,Enrico Giro,Piero Giubilato,T. Glanzman,J.F. Glicenstein,M. Gochna,V. Golev,M. Gómez Berisso,A. Gonzalez,F. Gonzalez,F. Grañena,Ricardo Graciani,Jonathan Granot,R. Gredig,Anne M. Green,T. Greenshaw,Oliver Grimm,J. Grube,M. Grudzińska,Jerzy Grygorczuk,V. J. Guarino,L. Guglielmi,F. Guilloux,Shuichi Gunji,Geza Gyuk,Daniela Hadasch,Dennis Haefner,Rika Hagiwara,Joachim Hahn,Allan Hallgren,Shinji Hara,Martin J. Hardcastle,Tarek M. Hassan,T. Haubold,M. Hauser,M. Hayashida,Ryan Heller,Gilles Henri,German Hermann,Artemio Herrero,Artemio Herrero,Jim Hinton,Dieter H. H. Hoffmann,Werner Hofmann,Petter Hofverberg,Dieter Horns,Dario Hrupec,H. Huan,B. Huber,J. M. Huet,Gareth Hughes,K. Hultquist,T. B. Humensky,J. F. Huppert,Alejandro Ibarra,J. M. Illa,J. Ingjald,Yoshiyuki Inoue,Susumu Inoue,Kunihito Ioka,C. Jablonski,A. Jacholkowska,M. Janiak,P. Jean,P. Jean,Hannes Jensen,T. Jogler,I. Jung,Philip Kaaret,Shigeto Kabuki,Jun Kakuwa,C. Kalkuhl,R. Kankanyan,M. Kapala,Aris Karastergiou,M. Karczewski,S. Karkar,N. Karlsson,J. Kasperek,Hideaki Katagiri,K. Katarzyński,Norita Kawanaka,B. Kȩdziora,Eckhard Kendziorra,B. Khélifi,David Kieda,Tadashi Kifune,Thomas Kihm,S. Klepser,W. Kluźniak,J. Knapp,A. R. Knappy,T. Kneiske,Jürgen Knödlseder,Jürgen Knödlseder,F. Köck,K. Kodani,Kazunori Kohri,Kostas D. Kokkotas,Nu. Komin,A. Konopelko,K. Kosack,R. Kossakowski,P. Kostka,J. Kotula,Grzegorz Kowal,J. Koziol,T. Krähenbühl,J. Krause,Henric Krawczynski,F. Krennrich,A. Kretzschmann,Hidetoshi Kubo,V. A. Kudryavtsev,J. Kushida,N. La Barbera,V. La Parola,G. La Rosa,A. M. Lopez,G. Lamanna,Philippe Laporte,C. Lavalley,T. Le Flour,A. Le Padellec,A. Le Padellec,J.-P. Lenain,Luigi Lessio,B. Lieunard,Elina Lindfors,A. Liolios,Thomas Lohse,Saverio Lombardi,A. Lopatin,E. Lorenz,P. Lubinski,O. Luz,Etienne Lyard,Maria Concetta Maccarone,Thomas J. Maccarone,Gernot Maier,P. Majumdar,Stavros Maltezos,P. Małkiewicz,C. Maña,A. Manalaysay,G. Maneva,A. Mangano,P. Manigot,J. C. Marin,Mosè Mariotti,Sera Markoff,German Martinez,M. I. Martínez,Apostolos Mastichiadis,Hironori Matsumoto,Serena Mattiazzo,Daniel Mazin,T. J. L. McComb,N. A. McCubbin,I. M. McHardy,C. Medina,D. Melkumyan,A. Mendes,Philipp Mertsch,Mario Meucci,J. Michałowski,P. Micolon,Teresa Mineo,Nestor Mirabal,F. Mirabel,Jose Miguel Miranda,R. Mirzoyan,Tsunefumi Mizuno,B. Moal,R. Moderski,Emilio Molinari,I. Monteiro,Abelardo Moralejo,C. Morello,K. Mori,G. Motta,Fabrice Mottez,Emmanuel Moulin,Reshmi Mukherjee,P. Munar,Hiroshi Muraishi,Kohta Murase,A. St. J. Murphy,Shigehiro Nagataki,Tsuguya Naito,Takeshi Nakamori,K. Nakayama,C. L. Naumann,D. Naumann,P. Nayman,D. Nedbal,A. Niedźwiecki,Jacek Niemiec,A. Nikolaidis,K. Nishijima,S. J. Nolan,Nina Nowak,P. T. O'Brien,I. Ochoa,Yutaka Ohira,Michiko Ohishi,H. Ohka,Akira Okumura,C. Olivetto,R. A. Ong,Reiko Orito,Matthew R. Orr,J. P. Osborne,M. Ostrowski,L. A. Otero,A. N. Otte,Evgeni Ovcharov,I. Oya,A. Oziȩbło,S. Paiano,J. Pallota,J. L. Panazol,David Paneque,M. Panter,Riccardo Paoletti,G. Papyan,J. M. Paredes,G. Pareschi,R. D. Parsons,M. Paz Arribas,G. Pedaletti,A. Pepato,Massimo Persic,P.-O. Petrucci,B. Peyaud,Włodzimierz Piechocki,S. Pita,G. Pivato,Ł. Płatos,R. Platzer,L. Pogosyan,Martin Pohl,G. Pojmanski,J. D. Ponz,William J. Potter,Elisa Prandini,Robert D. Preece,H. Prokoph,G. Pühlhofer,Michael Punch,E. J. Quel,Andreas Quirrenbach,P. J. Rajda,Riccardo Rando,M. Rataj,M. Raue,C. Reimann,O. Reimann,A. Reimer,Olaf Reimer,M. Renaud,S. Renner,J.-M. Reymond,Wolfgang Rhode,Marc Ribó,M. Ribordy,J. Rico,J. Rico,Frank M. Rieger,P. Ringegni,J. Ripken,P. Ristori,S. Rivoire,L. Rob,S. Rodriguez,U. Roeser,P. Romano,Gustavo E. Romero,S. Rosier-Lees,A. C. Rovero,F. Roy,S. Royer,B. Rudak,Cameron B Rulten,J. Ruppel,Francesco Russo,Felix Ryde,B. Sacco,A. Saggion,V. Sahakian,K. Saito,Takashi Saito,Naoto Sakaki,E. Salazar,A. Salini,F. Sánchez,M. Á. Sánchez Conde,M. Á. Sánchez Conde,Andrea Santangelo,E. M. Santos,Andreu Sanuy,L. Sapozhnikov,Subir Sarkar,V. Scalzotto,V. Scapin,M. Scarcioffolo,Thomas Schanz,S. Schlenstedt,Reinhard Schlickeiser,T. O. B. Schmidt,Jürgen Schmoll,M. Schroedter,C. Schultz,J. Schultze,A. Schulz,U. Schwanke,S. Schwarzburg,T. Schweizer,John H. Seiradakis,S. Selmane,Karol Seweryn,M. Shayduk,R. C. Shellard,T. Shibata,Marek Sikora,Joseph Silk,A. Sillanpää,Julian Sitarek,C. Skole,Nathan Smith,Dorota Sobczyńska,M. Sofo Haro,Helene Sol,Felix Spanier,Daniele Spiga,S. Spyrou,Victor Stamatescu,Antonio Stamerra,R. L. C. Starling,Łukasz Stawarz,R. Steenkamp,C. Stegmann,S. Steiner,Nikolaos Stergioulas,R. Sternberger,F. Stinzing,M. Stodulski,U. Straumann,A. E. Suárez,M. Suchenek,R. Sugawara,Karl-Heinz Sulanke,S. Sun,A. D. Supanitsky,P. Sutcliffe,Michał Szanecki,Tomasz Szepieniec,Anna Szostek,A. E. Szymkowiak,Gianpiero Tagliaferri,Hiroyasu Tajima,Hiromitsu Takahashi,K. Takahashi,L. O. Takalo,Hajime Takami,R. G. Talbot,P. H. Tam,Masayuki Tanaka,Toru Tanimori,Marco Tavani,J. P. Tavernet,C. Tchernin,Luis Ángel Tejedor,I. Telezhinsky,Petar Temnikov,C. Tenzer,Yukikatsu Terada,Regis Terrier,Masahiro Teshima,Masahiro Teshima,Vincenzo Testa,L. Tibaldo,O. Tibolla,M. Tluczykont,C. J. Todero Peixoto,Fuyuki Tokanai,M. Tokarz,Kenji Toma,Diego F. Torres,Diego F. Torres,Gino Tosti,Tomonori Totani,F. Toussenel,P. Vallania,G. Vallejo,J.L. Van der Walt,C. van Eldik,Justin Vandenbroucke,H. Vankov,G. Vasileiadis,V. Vassiliev,I. Vegas,L. Venter,S. Vercellone,C. Veyssiere,J. P. Vialle,M. Videla,P. Vincent,Jacco Vink,Nektarios Vlahakis,Loukas Vlahos,Patrick Vogler,A. Vollhardt,Francesca Volpe,H. von Gunten,S. Vorobiov,Stefan Wagner,Robert Wagner,B. Wagner,S. P. Wakely,Peter Walter,R. Walter,R. S. Warwick,P. Wawer,R. Wawrzaszek,N. Webb,N. Webb,P. Wegner,A. Weinstein,Q. Weitzel,R. Welsing,H. Wetteskind,Richard White,A. Wierzcholska,Mark I. Wilkinson,David A. Williams,M. Winde,R. Wischnewski,Ł. Wiśniewski,A. Wolczko,Matthew Wood,Q. Xiong,T. Yamamoto,Kazutaka Yamaoka,Ryo Yamazaki,Shohei Yanagita,B. Yoffo,M. Yonetani,A. Yoshida,Tatsuo Yoshida,Takanori Yoshikoshi,Victor Zabalza,A. Zagdański,A. Zajczyk,A.A. Zdziarski,Andreas Zech,K. Ziȩtara,P. Ziółkowski,V. Zitelli,P. Zychowski +685 more
TL;DR: The ground-based gamma-ray astronomy has had a major breakthrough with the impressive results obtained using systems of imaging atmospheric Cherenkov telescopes as mentioned in this paper, which is an international initiative to build the next generation instrument, with a factor of 5-10 improvement in sensitivity in the 100 GeV-10 TeV range and the extension to energies well below 100GeV and above 100 TeV.
Journal ArticleDOI
Dark Matter Candidates from Particle Physics and Methods of Detection
TL;DR: The identity of dark matter is a question of central importance in both astrophysics and particle physics as discussed by the authors, and recent progress has greatly expanded the list of well-motivated candidates and the possible signatures of the dark matter.
Journal ArticleDOI
Dark Matter Candidates from Particle Physics and Methods of Detection
TL;DR: The identity of dark matter is a question of central importance in both astrophysics and particle physics as mentioned in this paper, and recent progress has greatly expanded the list of well-motivated candidates.
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