N
Nagisa Hiroshima
Researcher at KEK
Publications - 22
Citations - 716
Nagisa Hiroshima is an academic researcher from KEK. The author has contributed to research in topics: Dark matter & Cherenkov Telescope Array. The author has an hindex of 10, co-authored 16 publications receiving 412 citations. Previous affiliations of Nagisa Hiroshima include University of Tokyo & University of Toyama.
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Journal ArticleDOI
MeV-scale reheating temperature and thermalization of oscillating neutrinos by radiative and hadronic decays of massive particles
Takuya Hasegawa,Nagisa Hiroshima,Kazunori Kohri,Rasmus S. L. Hansen,Thomas Tram,Steen Hannestad +5 more
TL;DR: In this paper, the authors investigated lower limits on the reheating temperature imposed by big-bang nucleosynthesis assuming both radiative and hadronic decays of such massive particles.
Journal ArticleDOI
MeV-scale reheating temperature and thermalization of oscillating neutrinos by radiative and hadronic decays of massive particles
Takuya Hasegawa,Nagisa Hiroshima,Kazunori Kohri,Rasmus S. L. Hansen,Thomas Tram,Steen Hannestad +5 more
TL;DR: In this article, the authors investigated lower limits on the reheating temperature imposed by big-bang nucleosynthesis assuming both radiative and hadronic decays of such massive particles.
Journal ArticleDOI
Sensitivity of the Cherenkov Telescope Array to a dark matter signal from the Galactic centre
Ayan Acharyya,R. Adam,C. Adams,I. Agudo,Alejandra Aguirre-Santaella,Ruben Alfaro,J. Alfaro,C. Alispach,Roberto Aloisio,R. Alves Batista,Lorenzo Amati,G. Ambrosi,E. O. Angüner,Louis Antonelli,Carla Aramo,A. Araudo,T. Armstrong,F. Arqueros,Katsuaki Asano,Y. Ascasibar,Michael C. B. Ashley,Csaba Balázs,O. Ballester,A. Baquero Larriva,V. Barbosa Martins,Maxim V. Barkov,U. Barres de Almeida,Juan Abel Barrio,Denis Bastieri,J. Becerra,Geoff Beck,J. Becker Tjus,Wystan Benbow,Maria Benito,D. Berge,Elisa Bernardini,Konrad Bernlöhr,A. Berti,B. Bertucci,V. Beshley,B. Biasuzzi,Adrian Biland,Elisabetta Bissaldi,Jonathan Biteau,Oscar Blanch,Jiri Blazek,Fabrizio Bocchino,Catherine Boisson,L. Bonneau Arbeletche,P. Bordas,Zeljka Bosnjak,Eugenio Bottacini,V. Bozhilov,Johan Bregeon,A. Brill,Torsten Bringmann,A. M. Brown,Pierre Brun,Francois Brun,Pietro Bruno,Andrea Bulgarelli,Michael G. Burton,A. Burtovoi,Mario Buscemi,R. A. Cameron,M. Capasso,Anderson Caproni,Roberto Capuzzo-Dolcetta,P. Caraveo,Rodolfo Carosi,A. Carosi,Sabrina Casanova,Sabrina Casanova,Enrico Cascone,F. Cassol,Fernando Catalani,D. Cauz,Matteo Cerruti,P. M. Chadwick,Sylvain Chaty,A. W. Chen,Masha Chernyakova,G. Chiaro,A. Chiavassa,M. Chikawa,J. Chudoba,M. Colak,Vito Conforti,R. Coniglione,Francesco Conte,Jose Luis Contreras,Javier Coronado-Blázquez,Alessandro Costa,Heide Costantini,Garret Cotter,P. Cristofari,Antonino D'Ai,F. D'Ammando,L. A. Damone,M. K. Daniel,Francesco Dazzi,A. De Angelis,V. De Caprio,R. de Cássia dos Anjos,E. M. de Gouveia Dal Pino,B. De Lotto,D. de Martino,E. de Ona Wilhelmi,F. de Palma,V. de Souza,C. Delgado,A. G. Delgado Giler,D. della Volpe,D. Depaoli,T. Di Girolamo,F. Di Pierro,L. Di Venere,Sebastian Diebold,A. Dmytriiev,Aaron Dominguez,Alice Donini,Michele Doro,Jan Ebr,Christopher Eckner,T. D. P. Edwards,T.R.N. Ekoume,D. Elsasser,C. Evoli,Diego Falceta-Gonçalves,E. Fedorova,S. Fegan,Q. Feng,G. Ferrand,Giovanna Ferrara,E. Fiandrini,A. Fiasson,Miroslav Filipovic,Valentina Fioretti,M. Fiori,L. Foffano,Gerard Fontaine,Ottavio Fornieri,Francisco J. Franco,Satoshi Fukami,Y. Fukui,Daniele Gaggero,G. Galaz,V. Gammaldi,E. Garcia,M. Garczarczyk,David Gascon,Alasdair E. Gent,A. Ghalumyan,Fulvio Gianotti,M. Giarrusso,Gianluca Giavitto,Nicola Giglietto,Francesco Giordano,A. Giuliani,J.F. Glicenstein,R. Gnatyk,P. Goldoni,Maria Magdalena González,Konstantinos N. Gourgouliatos,J. Granot,Dario Grasso,Jarred Gershon Green,A.F. Grillo,Orel Gueta,S. Gunji,A. Halim,Tarek M. Hassan,M. Heller,S. Hernández Cadena,Nagisa Hiroshima,Bohdan Hnatyk,Werner Hofmann,Jamie Holder,D. Horan,Jörg R. Hörandel,P. Horvath,Talvikki Hovatta,Miroslav Hrabovsky,Dario Hrupec,G. Hughes,T. B. Humensky,Moritz Hütten,Marco Iarlori,Toshiaki Inada,Sanae Inoue,F. Iocco,M. Iori,Marek Jamrozy,Petr Janecek,W. Jin,Léa Jouvin,Jakub Juryšek,Jakub Juryšek,Ekaterina Karukes,K. Katarzyński,D. Kazanas,Daniel Kerszberg,M. C. Kherlakian,Ralf Kissmann,Jürgen Knödlseder,Y. Kobayashi,Kazunori Kohri,Nu. Komin,Hidetoshi Kubo,J. Kushida,G. Lamanna,Jonathan S. Lapington,P. Laporte,M.A. Leigui de Oliveira,J.-P. Lenain,F. Leone,Giuseppe Leto,Elina Lindfors,Thomas Lohse,Saverio Lombardi,Francesco Longo,A. M. Lopez,M. A. Lopez,R. López-Coto,S. Loporchio,Pedro L. Luque-Escamilla,E. Mach,Camilla Maggio,Gernot Maier,Manuela Mallamaci,R. Malta Nunes de Almeida,Dusan Mandat,Marina Manganaro,S. Mangano,G. Manicò,M. Marculewicz,Mosè Mariotti,Sera Markoff,P. Marquez,Josep Martí,O. Martinez,M. I. Martínez,G. Martinez,H. Martínez-Huerta,G. Maurin,Daniel Mazin,Daniel Mazin,J.D. Mbarubucyeye,D. Medina Miranda,Manuel Meyer,Marco Miceli,Tjark Miener,M. Minev,Jose Miguel Miranda,R. Mirzoyan,Tsunefumi Mizuno,B. A. W. Mode,Rafal Moderski,L. Mohrmann,E. Molina,T. Montaruli,Abelardo Moralejo,D. Morcuende-Parrilla,A. Morselli,Reshmi Mukherjee,C. G. Mundell,A. Nagai,Takeshi Nakamori,Rodrigo Nemmen,Jacek Niemiec,Daniel Nieto,Marek Nikolajuk,D. Ninci,K. Noda,Dalibor Nosek,S. Nozaki,Yutaka Ohira,Masatoshi Ohishi,Yoshiki Ohtani,Tomohiko Oka,Akira Okumura,R. A. Ong,M. Orienti,Reiko Orito,Mauro Orlandini,Salvatore Orlando,E. Orlando,Michal Ostrowski,I. Oya,Isabella Pagano,A. Pagliaro,M. Palatiello,F. R. Pantaleo,J. M. Paredes,G. Pareschi,N. Parmiggiani,B. Patricelli,Lovro Pavletić,A. Pe'Er,M. Pecimotika,J. Pérez-Romero,Massimo Persic,Oleh Petruk,K. Pfrang,G. Piano,P. Piatteli,Ermanno Pietropaolo,R. Pillera,Bartłomiej Pilszyk,Fabio Pintore,M. Pohl,V. Poireau,R. R. Prado,Elisa Prandini,J. Prast,Giacomo Principe,H. Prokoph,Michael Prouza,Henry Przybilski,G. Pühlhofer,Maria Letizia Pumo,Farinaldo S. Queiroz,Andreas Quirrenbach,S. Rainò,Riccardo Rando,Soebur Razzaque,S. Recchia,Olaf Reimer,Andreas Reisenegger,Andreas Reisenegger,Y. Renier,Wolfgang Rhode,D. Ribeiro,Marc Ribó,T. Richtler,J. Rico,Frank M. Rieger,L. Rinchiuso,V. Rizi,Jerome Rodriguez,G. Rodriguez Fernandez,J.C. Rodriguez Ramirez,G. Rojas,P. Romano,Giuseppe Romeo,Jaime Rosado,Gavin Rowell,B. Rudak,Federico Russo,I. Sadeh,E. Sæther Hatlen,Samar Safi-Harb,F. Salesa Greus,Gaetano Salina,D. A. Sanchez,Miguel A. Sánchez-Conde,P. Sangiorgi,H. Sano,Marcos Santander,E. M. Santos,Reinaldo Santos-Lima,Andreu Sanuy,Subir Sarkar,Francesco Gabriele Saturni,Utane Sawangwit,F. Schüssler,Ullrich Schwanke,Eva Sciacca,Salvo Scuderi,M. Seglar-Arroyo,Olga Sergijenko,M. Servillat,Karol Seweryn,A. Shalchi,Paresh Sharma,R.C. Shellard,H. Siejkowski,Joseph Silk,Clarissa Siqueira,Vitalii Sliusar,Agnieszka Slowikowska,Anastasia Sokolenko,Helene Sol,Samuel Timothy Spencer,Antonio Stamerra,Samo Stanič,R. L. C. Starling,T. Stolarczyk,U. Straumann,J. Striskovic,Y. Suda,Tiina Suomijarvi,P. Swierk,Fabrizio Tavecchio,L. P. Taylor,Luis Ángel Tejedor,Masahiro Teshima,Masahiro Teshima,Vincenzo Testa,L. Tibaldo,C. J. Todero Peixoto,Fuyuki Tokanai,D. Tonev,Gino Tosti,L. Tosti,Nicholas F. H Tothill,Stefano Truzzi,P. Travnicek,V. Vagelli,V. Vagelli,B. Vallage,P. Vallania,C. van Eldik,Justin Vandenbroucke,G. S. Varner,V. Vassiliev,M. Vazquez Acosta,M. Vecchi,S. Ventura,S. Vercellone,S. D. Vergani,G. Verna,Ana Luiza d'Ávila Viana,Carlo Vigorito,Jacco Vink,V. Vitale,Serguei Vorobiov,I. Vovk,T. Vuillaume,Stefan Wagner,R. Walter,James E. M. Watson,Christoph Weniger,R. J. White,Martin White,R. Wiemann,A. Wierzcholska,Martin Will,David A. Williams,R. Wischnewski,Shohei Yanagita,Lili Yang,Lili Yang,Takanori Yoshikoshi,M. Zacharias,G. Zaharijas,A. A. Zakaria,Luca Zampieri,Roberta Zanin,D. Zarić,Marko Zavrtanik,D. Zavrtanik,A. A. Zdziarski,A. Zech,H.-S. Zechlin,V. I. Zhdanov,M. Zivec +456 more
TL;DR: In this paper, the authors provide an updated assessment of the power of the Cherenkov Telescope Array (CTA) to search for thermally produced dark matter at the TeV scale via the associated gamma-ray signal from pair-annihilating dark matter particles in the region around the Galactic centre.
Journal ArticleDOI
Modeling evolution of dark matter substructure and annihilation boost
TL;DR: In this paper, the sub-sub-halos of a galaxy were modeled and the authors developed an analytical prescription that models the subhalo mass evolution and calibrates it to results of numerical simulations of various scales from very small (Earth size) to large (galaxies to clusters) halos.
Journal ArticleDOI
Sensitivity of the Cherenkov Telescope Array for probing cosmology and fundamental physics with gamma-ray propagation
H. Abdalla,H. Abe,Fabio Acero,Ayan Acharyya,Ayan Acharyya,R. Adam,I. Agudo,I. Agudo,A. Aguirre-Santaella,A. Aguirre-Santaella,Ruben Alfaro,J. Alfaro,C. Alispach,Roberto Aloisio,R. Alves Batista,Lorenzo Amati,Elena Amato,G. Ambrosi,E. O. Angüner,A. Araudo,T. Armstrong,F. Arqueros,L. Arrabito,Katsuaki Asano,Y. Ascasibar,Michael C. B. Ashley,Michael Backes,Csaba Balázs,M. Balbo,Barbara Balmaverde,A. Baquero Larriva,V. Barbosa Martins,Maxim V. Barkov,L. Baroncelli,U. Barres de Almeida,Juan Abel Barrio,P. I. Batista,J. Becerra González,Yvonne Becherini,G. A. Beck,J. Becker Tjus,R. Belmont,Wystan Benbow,Elisa Bernardini,A. Berti,Marco Berton,Bruna Bertucci,V. Beshley,B. Bi,B. Biasuzzi,Adrian Biland,Elisabetta Bissaldi,Jonathan Biteau,Oscar Blanch,Fabrizio Bocchino,Catherine Boisson,J. Bolmont,Giovanni Bonanno,L. Bonneau Arbeletche,Giacomo Bonnoli,P. Bordas,Eugenio Bottacini,Markus Böttcher,V. Bozhilov,J. Bregeon,A. Brill,A. M. Brown,Pietro Bruno,Alessandro Bruno,Andrea Bulgarelli,Michael G. Burton,Mario Buscemi,Alessandro Caccianiga,R. A. Cameron,M. Capasso,M. Caprai,Anderson Caproni,Roberto Capuzzo-Dolcetta,P. A. Caraveo,Rodolfo Carosi,A. Carosi,Sabrina Casanova,Enrico Cascone,D. Cauz,K. Cerny,Matteo Cerruti,P. M. Chadwick,Sylvain Chaty,A. W. Chen,Masha Chernyakova,G. Chiaro,Andrea Chiavassa,Ladislav Chytka,Vito Conforti,Francesco Conte,J. L. Contreras,Javier Coronado-Blázquez,Juan Cortina,Alessandro Costa,Heide Costantini,Stefano Covino,P. Cristofari,O. Cuevas,F. D'Ammando,M. K. Daniel,Jonathan Ivor Davies,Francesco Dazzi,A. De Angelis,M. de Bony de Lavergne,V. De Caprio,R. de Cássia dos Anjos,E. M. de Gouveia Dal Pino,B. De Lotto,D. de Martino,M. de Naurois,E. de Ona Wilhelmi,F. de Palma,V. de Souza,C. Delgado,R. Della Ceca,D. della Volpe,D. Depaoli,T. Di Girolamo,F. Di Pierro,Carlos Díaz,C. Díaz-Bahamondes,Sebastian Diebold,A. Djannati-Ataï,Anton Dmytriiev,A. Domínguez,Alice Donini,Daniela Dorner,Michele Doro,J. L. Dournaux,Vikram V. Dwarkadas,Jan Ebr,Christopher Eckner,Sabrina Einecke,T.R.N. Ekoume,Dominik Elsässer,G. Emery,Carmelo Evoli,Malcolm Fairbairn,Diego Falceta-Gonçalves,S. Fegan,Q. Feng,G. Ferrand,E. Fiandrini,A. Fiasson,Valentina Fioretti,Luca Foffano,M. V. Fonseca,Lluis Font,Gilles Fontaine,Francisco J. Franco,L. Freixas Coromina,Satoshi Fukami,Yasushi Fukazawa,Y. Fukui,Daniele Gaggero,G. Galanti,V. Gammaldi,E. Garcia,M. Garczarczyk,David Gascon,M. Gaug,Alasdair E. Gent,A. Ghalumyan,G. Ghirlanda,F. Gianotti,M. Giarrusso,Gianluca Giavitto,N. Giglietto,Ferdinando Giordano,J. F. Glicenstein,P. Goldoni,Jose J. Gonzalez,Konstantinos N. Gourgouliatos,T. Grabarczyk,Paola Grandi,J. Granot,Dario Grasso,J. A. Green,J. Grube,Orel Gueta,S. Gunji,A. Halim,Max Harvey,T. Hassan Collado,K. Hayashi,M. Heller,S. Hernández Cadena,Olivier Hervet,Jim Hinton,Nagisa Hiroshima,Bohdan Hnatyk,R. Hnatyk,Dirk L. Hoffmann,Werner Hofmann,Jamie Holder,D. Horan,J.R. Hörandel,Pavel Horvath,Talvikki Hovatta,Miroslav Hrabovsky,Dario Hrupec,G. Hughes,Moritz Hütten,Marco Iarlori,Toshiaki Inada,Susumu Inoue,A. Insolia,Maria Ionica,M. Iori,Mikael Jacquemont,Marek Jamrozy,Petr Janecek,I. Jiménez Martínez,W. Jin,I. Jung-Richardt,J. Jurysek,P. Kaaret,Vladimír Karas,S. Karkar,Norita Kawanaka,Daniel Kerszberg,B. Khélifi,Ralf Kissmann,Jürgen Knödlseder,Y. Kobayashi,K. Kohri,Nu. Komin,A. Kong,K. Kosack,Hidetoshi Kubo,N. La Palombara,G. Lamanna,Rodrigo Guedes Lang,Jonathan S. Lapington,Philippe Laporte,J. Lefaucheur,M. Lemoine-Goumard,J.-P. Lenain,F. Leone,G. Leto,Fabian Leuschner,E. Lindfors,S. L. Lloyd,Thomas Lohse,Saverio Lombardi,F. Longo,A. Lopez,M. Lopez,R. López-Coto,Serena Loporchio,Francesco Lucarelli,Pedro L. Luque-Escamilla,E. Lyard,Camilla Maggio,Agnieszka Majczyna,Martin Makariev,Manuela Mallamaci,Dusan Mandat,G. Maneva,Marina Manganaro,G. Manicò,A. Marcowith,M. Marculewicz,Sera Markoff,P. Marquez,José-María Martí,O. Martinez,Miriam Lucio Martinez,German Martinez,H. Martínez-Huerta,Gilles Maurin,D. Mazin,J.D. Mbarubucyeye,D. Medina Miranda,Manuel Meyer,Manuel Meyer,Sasa Micanovic,Tjark Miener,M. Minev,Jose Miguel Miranda,Alison Mitchell,T. Mizuno,B. A. W. Mode,R. Moderski,L. Mohrmann,E. Molina,T. Montaruli,Abelardo Moralejo,J. Morales Merino,D. Morcuende-Parrilla,A. Morselli,Reshmi Mukherjee,Carole Mundell,Thomas Murach,Hiroshi Muraishi,A. Nagai,Takeshi Nakamori,Rodrigo Nemmen,Jacek Niemiec,Daniel Nieto,M. Nievas,Marek Nikolajuk,K. Nishijima,K. Noda,D. Nosek,S. Nozaki,P. T. O'Brien,Y. Ohira,Masatoshi Ohishi,Tomohiko Oka,R. A. Ong,M. Orienti,Reiko Orito,Mauro Orlandini,E. Orlando,J. P. Osborne,M. Ostrowski,I. Oya,Antonio Pagliaro,M. Palatka,David Paneque,F. R. Pantaleo,J. M. Paredes,N. Parmiggiani,B. Patricelli,Lovro Pavletić,Asaf Pe'er,Miroslav Pech,M. Pecimotika,M. Peresano,Massimo Persic,Oleh Petruk,K. Pfrang,P. Piatteli,Ermanno Pietropaolo,R. Pillera,Bartłomiej Pilszyk,D. Pimentel,F. Pintore,S. Pita,S. Pita,M. Pohl,V. Poireau,M. Polo,R. R. Prado,J. Prast,Giacomo Principe,N. Produit,H. Prokoph,M. Prouza,Henry Przybilski,E. Pueschel,G. Pühlhofer,Maria Letizia Pumo,Michael Punch,Farinaldo S. Queiroz,Andreas Quirrenbach,R. Rando,Soebur Razzaque,E. Rebert,S. Recchia,P. Reichherzer,Olaf Reimer,A. Reimer,Y. Renier,T. Reposeur,Wolfgang Rhode,D. Ribeiro,Marc Ribó,Tom Richtler,J. Rico,Frank M. Rieger,Vincenzo Rizi,J. L. Rodriguez,G. Rodriguez Fernandez,J.C. Rodriguez Ramirez,J. J. Rodríguez Vázquez,P. Romano,G. Romeo,M. Roncadelli,Jaime Rosado,A. Rosales de Leon,Gavin Rowell,B. Rudak,Wiphu Rujopakarn,Federico Russo,I. Sadeh,Lab Saha,Takashi Saito,F. Salesa Greus,David Sánchez,M. Sánchez-Conde,P. Sangiorgi,Hidetoshi Sano,Marcos Santander,E. M. Santos,Andreu Sanuy,S. Sarkar,Francesco Gabriele Saturni,Utane Sawangwit,A. Scherer,Bernd Schleicher,Petr Schovanek,F. Schüssler,U. Schwanke,E. Sciacca,Salvo Scuderi,M. Seglar Arroyo,Olga Sergijenko,M. Servillat,Karol Seweryn,A. Shalchi,Paresh Sharma,R. C. Shellard,H. Siejkowski,Atreyee Sinha,Vitalii Sliusar,Agnieszka Slowikowska,Anastasia Sokolenko,Helene Sol,Andreas Specovius,Samuel Timothy Spencer,Daniele Spiga,A. Stamerra,Samo Stanič,R. L. C. Starling,T. Stolarczyk,U. Straumann,Jelena Strišković,Y. Suda,Paweł Świerk,Gianpiero Tagliaferri,Hiromitsu Takahashi,Mitsunari Takahashi,Fabrizio Tavecchio,Lucas Taylor,Luis Ángel Tejedor,P. Temnikov,Regis Terrier,Tomislav Terzić,Vincenzo Testa,Wenwu Tian,L. Tibaldo,D. Tonev,Diego F. Torres,Elena Torresi,Luca Tosti,Nicholas F. H Tothill,Gagik Tovmassian,Petr Travnicek,Stefano Truzzi,F. Tuossenel,G. Umana,M. Vacula,Valerio Vagelli,M. Valentino,B. Vallage,P. Vallania,C. van Eldik,G. S. Varner,V. V. Vassiliev,M. Vazquez Acosta,M. Vecchi,Johannes Veh,S. Vercellone,S. D. Vergani,Vassil Verguilov,Gianpaolo Vettolani,Ana Luiza d'Ávila Viana,Carlo Vigorito,V. Vitale,Serguei Vorobiov,I. Vovk,I. Vovk,T. Vuillaume,Stefan Wagner,R. Walter,James E. M. Watson,Martin White,R. White,R. Wiemann,A. Wierzcholska,Martin Will,David A. Williams,R. Wischnewski,Anna Wolter,Ryo Yamazaki,Shohei Yanagita,Lili Yang,Takanori Yoshikoshi,M. Zacharias,G. Zaharijas,D. Zarić,M. Zavrtanik,D. Zavrtanik,A. A. Zdziarski,A. Zech,H.-S. Zechlin,V. I. Zhdanov,M. Živec +504 more
TL;DR: The Cherenkov Telescope Array (CTA) provides unique capabilities to address significant open questions in astrophysics, cosmology, and fundamental physics as mentioned in this paper, which can be explored as part of the Key Science Projects of CTA through simulated observations of active galactic nuclei and of their relativistic jets.