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Article ; Online: Revealing x-ray and gamma ray temporal and spectral similarities in the GRB 190829A afterglow.

Abdalla, H / Aharonian, F / Ait Benkhali, F / Angüner, E O / Arcaro, C / Armand, C / Armstrong, T / Ashkar, H / Backes, M / Baghmanyan, V / Barbosa Martins, V / Barnacka, A / Barnard, M / Becherini, Y / Berge, D / Bernlöhr, K / Bi, B / Bissaldi, E / Böttcher, M /

Boisson, C / Bolmont, J / de Bony de Lavergne, M / Breuhaus, M / Brun, F / Brun, P / Bryan, M / Büchele, M / Bulik, T / Bylund, T / Caroff, S / Carosi, A / Casanova, S / Chand, T / Chandra, S / Chen, A / Cotter, G / Curyło, M / Damascene Mbarubucyeye, J / Davids, I D / Davies, J / Deil, C / Devin, J / Dirson, L / Djannati-Ataï, A / Dmytriiev, A / Donath, A / Doroshenko, V / Dreyer, L / Duffy, C / Dyks, J / Egberts, K / Eichhorn, F / Einecke, S / Emery, G / Ernenwein, J-P / Feijen, K / Fegan, S / Fiasson, A / Fichet de Clairfontaine, G / Fontaine, G / Funk, S / Füßling, M / Gabici, S / Gallant, Y A / Giavitto, G / Giunti, L / Glawion, D / Glicenstein, J F / Grondin, M-H / Hahn, J / Haupt, M / Hermann, G / Hinton, J A / Hofmann, W / Hoischen, C / Holch, T L / Holler, M / Hörbe, M / Horns, D / Huber, D / Jamrozy, M / Jankowsky, D / Jankowsky, F / Jardin-Blicq, A / Joshi, V / Jung-Richardt, I / Kasai, E / Kastendieck, M A / Katarzyński, K / Katz, U / Khangulyan, D / Khélifi, B / Klepser, S / Kluźniak, W / Komin, Nu / Konno, R / Kosack, K / Kostunin, D / Kreter, M / Lamanna, G / Lemière, A / Lemoine-Goumard, M / Lenain, J-P / Leuschner, F / Levy, C / Lohse, T / Lypova, I / Mackey, J / Majumdar, J / Malyshev, D / Marandon, V / Marchegiani, P / Marcowith, A / Mares, A / Martí-Devesa, G / Marx, R / Maurin, G / Meintjes, P J / Meyer, M / Mitchell, A / Moderski, R / Mohrmann, L / Montanari, A / Moore, C / Morris, P / Moulin, E / Muller, J / Murach, T / Nakashima, K / Nayerhoda, A / de Naurois, M / Ndiyavala, H / Niemiec, J / Oakes, L / O'Brien, P / Odaka, H / Ohm, S / Olivera-Nieto, L / de Ona Wilhelmi, E / Ostrowski, M / Panny, S / Panter, M / Parsons, R D / Peron, G / Peyaud, B / Piel, Q / Pita, S / Poireau, V / Priyana Noel, A / Prokhorov, D A / Prokoph, H / Pühlhofer, G / Punch, M / Quirrenbach, A / Raab, S / Rauth, R / Reichherzer, P / Reimer, A / Reimer, O / Remy, Q / Renaud, M / Rieger, F / Rinchiuso, L / Romoli, C / Rowell, G / Rudak, B / Ruiz-Velasco, E / Sahakian, V / Sailer, S / Salzmann, H / Sanchez, D A / Santangelo, A / Sasaki, M / Scalici, M / Schäfer, J / Schüssler, F / Schutte, H M / Schwanke, U / Seglar-Arroyo, M / Senniappan, M / Seyffert, A S / Shafi, N / Shapopi, J N S / Shiningayamwe, K / Simoni, R / Sinha, A / Sol, H / Specovius, A / Spencer, S / Spir-Jacob, M / Stawarz, Ł / Sun, L / Steenkamp, R / Stegmann, C / Steinmassl, S / Steppa, C / Takahashi, T / Tam, T / Tavernier, T / Taylor, A M / Terrier, R / Thiersen, J H E / Tiziani, D / Tluczykont, M / Tomankova, L / Tsirou, M / Tuffs, R / Uchiyama, Y / van der Walt, D J / van Eldik, C / van Rensburg, C / van Soelen, B / Vasileiadis, G / Veh, J / Venter, C / Vincent, P / Vink, J / Völk, H J / Wadiasingh, Z / Wagner, S J / Watson, J / Werner, F / White, R / Wierzcholska, A / Wong, Yu Wun / Yusafzai, A / Zacharias, M / Zanin, R / Zargaryan, D / Zdziarski, A A / Zech, A / Zhu, S J / Zorn, J / Zouari, S / Żywucka, N / Evans, P / Page, K

Science (New York, N.Y.)

2021 Volume 372, Issue 6546, Page(s) 1081–1085

Abstract: Gamma-ray bursts (GRBs), which are bright flashes of gamma rays from extragalactic sources followed by fading afterglow emission, are associated with stellar core collapse events. We report the detection of very-high-energy (VHE) gamma rays from the ... ...

Abstract	Gamma-ray bursts (GRBs), which are bright flashes of gamma rays from extragalactic sources followed by fading afterglow emission, are associated with stellar core collapse events. We report the detection of very-high-energy (VHE) gamma rays from the afterglow of GRB 190829A, between 4 and 56 hours after the trigger, using the High Energy Stereoscopic System (H.E.S.S.). The low luminosity and redshift of GRB 190829A reduce both internal and external absorption, allowing determination of its intrinsic energy spectrum. Between energies of 0.18 and 3.3 tera-electron volts, this spectrum is described by a power law with photon index of 2.07 ± 0.09, similar to the x-ray spectrum. The x-ray and VHE gamma-ray light curves also show similar decay profiles. These similar characteristics in the x-ray and gamma-ray bands challenge GRB afterglow emission scenarios.
Language	English
Publishing date	2021-05-25
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	128410-1
ISSN	1095-9203 ; 0036-8075
ISSN (online)	1095-9203
ISSN	0036-8075
DOI	10.1126/science.abe8560
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Zs.MG 77: Show issues

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Article ; Online: A very-high-energy component deep in the γ-ray burst afterglow.

Abdalla, H / Adam, R / Aharonian, F / Ait Benkhali, F / Angüner, E O / Arakawa, M / Arcaro, C / Armand, C / Ashkar, H / Backes, M / Barbosa Martins, V / Barnard, M / Becherini, Y / Berge, D / Bernlöhr, K / Bissaldi, E / Blackwell, R / Böttcher, M / Boisson, C /

Bolmont, J / Bonnefoy, S / Bregeon, J / Breuhaus, M / Brun, F / Brun, P / Bryan, M / Büchele, M / Bulik, T / Bylund, T / Capasso, M / Caroff, S / Carosi, A / Casanova, S / Cerruti, M / Chand, T / Chandra, S / Chen, A / Colafrancesco, S / Curyło, M / Davids, I D / Deil, C / Devin, J / deWilt, P / Dirson, L / Djannati-Ataï, A / Dmytriiev, A / Donath, A / Doroshenko, V / Dyks, J / Egberts, K / Emery, G / Ernenwein, J-P / Eschbach, S / Feijen, K / Fegan, S / Fiasson, A / Fontaine, G / Funk, S / Füßling, M / Gabici, S / Gallant, Y A / Gaté, F / Giavitto, G / Giunti, L / Glawion, D / Glicenstein, J F / Gottschall, D / Grondin, M-H / Hahn, J / Haupt, M / Heinzelmann, G / Henri, G / Hermann, G / Hinton, J A / Hofmann, W / Hoischen, C / Holch, T L / Holler, M / Horns, D / Huber, D / Iwasaki, H / Jamrozy, M / Jankowsky, D / Jankowsky, F / Jardin-Blicq, A / Jung-Richardt, I / Kastendieck, M A / Katarzyński, K / Katsuragawa, M / Katz, U / Khangulyan, D / Khélifi, B / King, J / Klepser, S / Kluźniak, W / Komin, Nu / Kosack, K / Kostunin, D / Kreter, M / Lamanna, G / Lemière, A / Lemoine-Goumard, M / Lenain, J-P / Leser, E / Levy, C / Lohse, T / Lypova, I / Mackey, J / Majumdar, J / Malyshev, D / Marandon, V / Marcowith, A / Mares, A / Mariaud, C / Martí-Devesa, G / Marx, R / Maurin, G / Meintjes, P J / Mitchell, A M W / Moderski, R / Mohamed, M / Mohrmann, L / Moore, C / Moulin, E / Muller, J / Murach, T / Nakashima, S / de Naurois, M / Ndiyavala, H / Niederwanger, F / Niemiec, J / Oakes, L / O'Brien, P / Odaka, H / Ohm, S / de Ona Wilhelmi, E / Ostrowski, M / Oya, I / Panter, M / Parsons, R D / Perennes, C / Petrucci, P-O / Peyaud, B / Piel, Q / Pita, S / Poireau, V / Priyana Noel, A / Prokhorov, D A / Prokoph, H / Pühlhofer, G / Punch, M / Quirrenbach, A / Raab, S / Rauth, R / Reimer, A / Reimer, O / Remy, Q / Renaud, M / Rieger, F / Rinchiuso, L / Romoli, C / Rowell, G / Rudak, B / Ruiz-Velasco, E / Sahakian, V / Sailer, S / Saito, S / Sanchez, D A / Santangelo, A / Sasaki, M / Schlickeiser, R / Schüssler, F / Schulz, A / Schutte, H M / Schwanke, U / Schwemmer, S / Seglar-Arroyo, M / Senniappan, M / Seyffert, A S / Shafi, N / Shiningayamwe, K / Simoni, R / Sinha, A / Sol, H / Specovius, A / Spir-Jacob, M / Stawarz, Ł / Steenkamp, R / Stegmann, C / Steppa, C / Takahashi, T / Tavernier, T / Taylor, A M / Terrier, R / Tiziani, D / Tluczykont, M / Trichard, C / Tsirou, M / Tsuji, N / Tuffs, R / Uchiyama, Y / van der Walt, D J / van Eldik, C / van Rensburg, C / van Soelen, B / Vasileiadis, G / Veh, J / Venter, C / Vincent, P / Vink, J / Völk, H J / Vuillaume, T / Wadiasingh, Z / Wagner, S J / White, R / Wierzcholska, A / Yang, R / Yoneda, H / Zacharias, M / Zanin, R / Zdziarski, A A / Zech, A / Ziegler, A / Zorn, J / Żywucka, N / de Palma, F / Axelsson, M / Roberts, O J

Nature

2019 Volume 575, Issue 7783, Page(s) 464–467

Abstract: Gamma-ray bursts (GRBs) are brief flashes of γ-rays and are considered to be the most energetic explosive phenomena in the ... ...

Abstract	Gamma-ray bursts (GRBs) are brief flashes of γ-rays and are considered to be the most energetic explosive phenomena in the Universe
Language	English
Publishing date	2019-11-20
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	120714-3
ISSN	1476-4687 ; 0028-0836
ISSN (online)	1476-4687
ISSN	0028-0836
DOI	10.1038/s41586-019-1743-9
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Zs.A 26: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MG 9: Show issues
Zs.MO 244: Show issues

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Article: Limit on the radiative width of the K0(1430).

Carlsmith / Bernstein / Bock / Coupal / Gollin / Nishikawa / Norton / Winstein / Peyaud / Turlay / Zylberstejn

Physical review. D, Particles and fields

1987 Volume 36, Issue 11, Page(s) 3502–3505

Language	English
Publishing date	1987-12-01
Publishing country	United States
Document type	Journal Article
ZDB-ID	209772-2
ISSN	0556-2821 ; 2470-0010 ; 1550-7998
ISSN	0556-2821 ; 2470-0010 ; 1550-7998
DOI	10.1103/physrevd.36.3502
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Measurement of the K0(896) radiative width.

Carlsmith / Bernstein / Bock / Coupal / Gollin / Nishikawa / Norton / Winstein / Peyaud / Turlay / Zylberstejn

Physical review letters

1986 Volume 56, Issue 1, Page(s) 18–21

Language	English
Publishing date	1986-01-06
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.56.18
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Article ; Online: Measurement of epsilon '/ epsilon in the neutral Kaon system.

Bernstein / Bock / Carlsmith / Coupl / Cronin / Gollin / Keling / Nishikawa / Norton / Winstein / Peyaud / Turlay / Zylberstejn

Physical review letters

1985 Volume 54, Issue 15, Page(s) 1631–1634

Language	English
Publishing date	1985-04-15
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.54.1631
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Article ; Online: Measurement of the ratio Gamma (KL--> pi + pi -)/ Gamma (KL--> pi l nu ) for KL with 65 GeV/c laboratory momentum.

Coupal / Bernstein / Bock / Carlsmith / Cronin / Gollin / Keling / Nishikawa / Norton / Winstein / Peyaud / Turlay / Zylberstejn

Physical review letters

1985 Volume 55, Issue 6, Page(s) 566–569

Language	English
Publishing date	1985-08-05
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.55.566
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Article ; Online: Search for γ-Ray Line Signals from Dark Matter Annihilations in the Inner Galactic Halo from 10 Years of Observations with H.E.S.S.

Abdallah, H / Abramowski, A / Aharonian, F / Ait Benkhali, F / Angüner, E O / Arakawa, M / Arrieta, M / Aubert, P / Backes, M / Balzer, A / Barnard, M / Becherini, Y / Becker Tjus, J / Berge, D / Bernhard, S / Bernlöhr, K / Blackwell, R / Böttcher, M / Boisson, C /

Bolmont, J / Bonnefoy, S / Bordas, P / Bregeon, J / Brun, F / Brun, P / Bryan, M / Büchele, M / Bulik, T / Capasso, M / Caroff, S / Carosi, A / Carr, J / Casanova, S / Cerruti, M / Chakraborty, N / Chaves, R C G / Chen, A / Chevalier, J / Colafrancesco, S / Condon, B / Conrad, J / Davids, I D / Decock, J / Deil, C / Devin, J / deWilt, P / Dirson, L / Djannati-Ataï, A / Domainko, W / Donath, A / Drury, L O'C / Dutson, K / Dyks, J / Edwards, T / Egberts, K / Eger, P / Emery, G / Ernenwein, J-P / Eschbach, S / Farnier, C / Fegan, S / Fernandes, M V / Fiasson, A / Fontaine, G / Förster, A / Funk, S / Füßling, M / Gabici, S / Gallant, Y A / Garrigoux, T / Gaté, F / Giavitto, G / Giebels, B / Glawion, D / Glicenstein, J F / Gottschall, D / Grondin, M-H / Hahn, J / Haupt, M / Hawkes, J / Heinzelmann, G / Henri, G / Hermann, G / Hinton, J A / Hofmann, W / Hoischen, C / Holch, T L / Holler, M / Horns, D / Ivascenko, A / Iwasaki, H / Jacholkowska, A / Jamrozy, M / Janiak, M / Jankowsky, D / Jankowsky, F / Jingo, M / Jouvin, L / Jung-Richardt, I / Kastendieck, M A / Katarzyński, K / Katsuragawa, M / Katz, U / Kerszberg, D / Khangulyan, D / Khélifi, B / King, J / Klepser, S / Klochkov, D / Kluźniak, W / Komin, Nu / Kosack, K / Krakau, S / Kraus, M / Krüger, P P / Laffon, H / Lamanna, G / Lau, J / Lees, J-P / Lefaucheur, J / Lemière, A / Lemoine-Goumard, M / Lenain, J-P / Leser, E / Liu, R / Lohse, T / Lorentz, M / López-Coto, R / Lypova, I / Malyshev, D / Marandon, V / Marcowith, A / Mariaud, C / Marx, R / Maurin, G / Maxted, N / Mayer, M / Meintjes, P J / Meyer, M / Mitchell, A M W / Moderski, R / Mohamed, M / Mohrmann, L / Morå, K / Moulin, E / Murach, T / Nakashima, S / de Naurois, M / Ndiyavala, H / Niederwanger, F / Niemiec, J / Oakes, L / O'Brien, P / Odaka, H / Ohm, S / Ostrowski, M / Oya, I / Padovani, M / Panter, M / Parsons, R D / Pekeur, N W / Pelletier, G / Perennes, C / Petrucci, P-O / Peyaud, B / Piel, Q / Pita, S / Poireau, V / Poon, H / Prokhorov, D / Prokoph, H / Pühlhofer, G / Punch, M / Quirrenbach, A / Raab, S / Rauth, R / Reimer, A / Reimer, O / Renaud, M / de Los Reyes, R / Rieger, F / Rinchiuso, L / Romoli, C / Rowell, G / Rudak, B / Rulten, C B / Sahakian, V / Saito, S / Sanchez, D A / Santangelo, A / Sasaki, M / Schandri, M / Schlickeiser, R / Schüssler, F / Schulz, A / Schwanke, U / Schwemmer, S / Seglar-Arroyo, M / Settimo, M / Seyffert, A S / Shafi, N / Shilon, I / Shiningayamwe, K / Simoni, R / Sol, H / Spanier, F / Spir-Jacob, M / Stawarz, Ł / Steenkamp, R / Stegmann, C / Steppa, C / Sushch, I / Takahashi, T / Tavernet, J-P / Tavernier, T / Taylor, A M / Terrier, R / Tibaldo, L / Tiziani, D / Tluczykont, M / Trichard, C / Tsirou, M / Tsuji, N / Tuffs, R / Uchiyama, Y / van der Walt, J / van Eldik, C / van Rensburg, C / van Soelen, B / Vasileiadis, G / Veh, J / Venter, C / Viana, A / Vincent, P / Vink, J / Voisin, F / Völk, H J / Vuillaume, T / Wadiasingh, Z / Wagner, S J / Wagner, P / Wagner, R M / White, R / Wierzcholska, A / Willmann, P / Wörnlein, A / Wouters, D / Yang, R / Zaborov, D / Zacharias, M / Zanin, R / Zdziarski, A A / Zech, A / Zefi, F / Ziegler, A / Zorn, J / Żywucka, N

Physical review letters

2018 Volume 120, Issue 20, Page(s) 201101

Abstract: Spectral lines are among the most powerful signatures for dark matter (DM) annihilation searches in very-high-energy γ rays. The central region of the Milky Way halo is one of the most promising targets given its large amount of DM and proximity to Earth. ...

Abstract	Spectral lines are among the most powerful signatures for dark matter (DM) annihilation searches in very-high-energy γ rays. The central region of the Milky Way halo is one of the most promising targets given its large amount of DM and proximity to Earth. We report on a search for a monoenergetic spectral line from self-annihilations of DM particles in the energy range from 300 GeV to 70 TeV using a two-dimensional maximum likelihood method taking advantage of both the spectral and spatial features of the signal versus background. The analysis makes use of Galactic center observations accumulated over ten years (2004-2014) with the H.E.S.S. array of ground-based Cherenkov telescopes. No significant γ-ray excess above the background is found. We derive upper limits on the annihilation cross section ⟨σv⟩ for monoenergetic DM lines at the level of 4×10^{-28} cm^{3} s^{-1} at 1 TeV, assuming an Einasto DM profile for the Milky Way halo. For a DM mass of 1 TeV, they improve over the previous ones by a factor of 6. The present constraints are the strongest obtained so far for DM particles in the mass range 300 GeV-70 TeV. Ground-based γ-ray observations have reached sufficient sensitivity to explore relevant velocity-averaged cross sections for DM annihilation into two γ-ray photons at the level expected from the thermal relic density for TeV DM particles.
Language	English
Publishing date	2018-05-18
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.120.201101
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Article ; Online: Measurement of the CP-Violation Parameter eta +- gamma in Neutral Kaon Decays.

Ramberg / Bock / Coleman / Enagonio / Hsiung / Stanfield / Tschirhart / Yamanaka / Swallow / Blair / Gollin / Karlsson / Okamitsu / Debu / Peyaud / Turlay / Vallage

Physical review letters

1993 Volume 70, Issue 17, Page(s) 2529–2532

Language	English
Publishing date	1993-04-26
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.70.2529
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Article ; Online: Constraints on an annihilation signal from a core of constant dark matter density around the milky way center with H.E.S.S.

Abramowski, A / Aharonian, F / Ait Benkhali, F / Akhperjanian, A G / Angüner, E O / Backes, M / Balenderan, S / Balzer, A / Barnacka, A / Becherini, Y / Becker Tjus, J / Berge, D / Bernhard, S / Bernlöhr, K / Birsin, E / Biteau, J / Böttcher, M / Boisson, C / Bolmont, J /

Bordas, P / Bregeon, J / Brun, F / Brun, P / Bryan, M / Bulik, T / Carrigan, S / Casanova, S / Chadwick, P M / Chakraborty, N / Chalme-Calvet, R / Chaves, R C G / Chrétien, M / Colafrancesco, S / Cologna, G / Conrad, J / Couturier, C / Cui, Y / Davids, I D / Degrange, B / Deil, C / deWilt, P / Djannati-Ataï, A / Domainko, W / Donath, A / Drury, L O'C / Dubus, G / Dutson, K / Dyks, J / Dyrda, M / Edwards, T / Egberts, K / Eger, P / Espigat, P / Farnier, C / Fegan, S / Feinstein, F / Fernandes, M V / Fernandez, D / Fiasson, A / Fontaine, G / Förster, A / Füßling, M / Gabici, S / Gajdus, M / Gallant, Y A / Garrigoux, T / Giavitto, G / Giebels, B / Glicenstein, J F / Gottschall, D / Grondin, M-H / Grudzińska, M / Hadasch, D / Häffner, S / Hahn, J / Harris, J / Heinzelmann, G / Henri, G / Hermann, G / Hervet, O / Hillert, A / Hinton, J A / Hofmann, W / Hofverberg, P / Holler, M / Horns, D / Ivascenko, A / Jacholkowska, A / Jahn, C / Jamrozy, M / Janiak, M / Jankowsky, F / Jung-Richardt, I / Kastendieck, M A / Katarzyński, K / Katz, U / Kaufmann, S / Khélifi, B / Kieffer, M / Klepser, S / Klochkov, D / Kluźniak, W / Kolitzus, D / Komin, Nu / Kosack, K / Krakau, S / Krayzel, F / Krüger, P P / Laffon, H / Lamanna, G / Lefaucheur, J / Lefranc, V / Lemière, A / Lemoine-Goumard, M / Lenain, J-P / Lohse, T / Lopatin, A / Lu, C-C / Marandon, V / Marcowith, A / Marx, R / Maurin, G / Maxted, N / Mayer, M / McComb, T J L / Méhault, J / Meintjes, P J / Menzler, U / Meyer, M / Mitchell, A M W / Moderski, R / Mohamed, M / Morå, K / Moulin, E / Murach, T / de Naurois, M / Niemiec, J / Nolan, S J / Oakes, L / Odaka, H / Ohm, S / Opitz, B / Ostrowski, M / Oya, I / Panter, M / Parsons, R D / Paz Arribas, M / Pekeur, N W / Pelletier, G / Petrucci, P-O / Peyaud, B / Pita, S / Poon, H / Pühlhofer, G / Punch, M / Quirrenbach, A / Raab, S / Reichardt, I / Reimer, A / Reimer, O / Renaud, M / de Los Reyes, R / Rieger, F / Romoli, C / Rosier-Lees, S / Rowell, G / Rudak, B / Rulten, C B / Sahakian, V / Salek, D / Sanchez, D A / Santangelo, A / Schlickeiser, R / Schüssler, F / Schulz, A / Schwanke, U / Schwarzburg, S / Schwemmer, S / Sol, H / Spanier, F / Spengler, G / Spies, F / Stawarz, Ł / Steenkamp, R / Stegmann, C / Stinzing, F / Stycz, K / Sushch, I / Tavernet, J-P / Tavernier, T / Taylor, A M / Terrier, R / Tluczykont, M / Trichard, C / Valerius, K / van Eldik, C / van Soelen, B / Vasileiadis, G / Veh, J / Venter, C / Viana, A / Vincent, P / Vink, J / Völk, H J / Volpe, F / Vorster, M / Vuillaume, T / Wagner, S J / Wagner, P / Wagner, R M / Ward, M / Weidinger, M / Weitzel, Q / White, R / Wierzcholska, A / Willmann, P / Wörnlein, A / Wouters, D / Yang, R / Zabalza, V / Zaborov, D / Zacharias, M / Zdziarski, A A / Zech, A / Zechlin, H-S

Physical review letters

2015 Volume 114, Issue 8, Page(s) 81301

Abstract: An annihilation signal of dark matter is searched for from the central region of the Milky Way. Data acquired in dedicated on-off observations of the Galactic center region with H.E.S.S. are analyzed for this purpose. No significant signal is found in a ... ...

Abstract	An annihilation signal of dark matter is searched for from the central region of the Milky Way. Data acquired in dedicated on-off observations of the Galactic center region with H.E.S.S. are analyzed for this purpose. No significant signal is found in a total of ∼9 h of on-off observations. Upper limits on the velocity averaged cross section, ⟨σv⟩, for the annihilation of dark matter particles with masses in the range of ∼300 GeV to ∼10 TeV are derived. In contrast to previous constraints derived from observations of the Galactic center region, the constraints that are derived here apply also under the assumption of a central core of constant dark matter density around the center of the Galaxy. Values of ⟨σv⟩ that are larger than 3×10^{-24} cm^{3}/s are excluded for dark matter particles with masses between ∼1 and ∼4 TeV at 95% C.L. if the radius of the central dark matter density core does not exceed 500 pc. This is the strongest constraint that is derived on ⟨σv⟩ for annihilating TeV mass dark matter without the assumption of a centrally cusped dark matter density distribution in the search region.
Language	English
Publishing date	2015-02-27
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.114.081301
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: H.E.S.S. Limits on Linelike Dark Matter Signatures in the 100 GeV to 2 TeV Energy Range Close to the Galactic Center.

Abdalla, H / Abramowski, A / Aharonian, F / Ait Benkhali, F / Akhperjanian, A G / Andersson, T / Angüner, E O / Arrieta, M / Aubert, P / Backes, M / Balzer, A / Barnard, M / Becherini, Y / Becker Tjus, J / Berge, D / Bernhard, S / Bernlöhr, K / Birsin, E / Blackwell, R /

Böttcher, M / Boisson, C / Bolmont, J / Bordas, P / Bregeon, J / Brun, F / Brun, P / Bryan, M / Bulik, T / Capasso, M / Carr, J / Casanova, S / Chakraborty, N / Chalme-Calvet, R / Chaves, R C G / Chen, A / Chevalier, J / Chrétien, M / Colafrancesco, S / Cologna, G / Condon, B / Conrad, J / Couturier, C / Cui, Y / Davids, I D / Degrange, B / Deil, C / Devin, J / deWilt, P / Djannati-Ataï, A / Domainko, W / Donath, A / Drury, L O'C / Dubus, G / Dutson, K / Dyks, J / Dyrda, M / Edwards, T / Egberts, K / Eger, P / Ernenwein, J-P / Eschbach, S / Farnier, C / Fegan, S / Fernandes, M V / Fiasson, A / Fontaine, G / Förster, A / Funk, S / Füßling, M / Gabici, S / Gajdus, M / Gallant, Y A / Garrigoux, T / Giavitto, G / Giebels, B / Glicenstein, J F / Gottschall, D / Goyal, A / Grondin, M-H / Grudzińska, M / Hadasch, D / Hahn, J / Hawkes, J / Heinzelmann, G / Henri, G / Hermann, G / Hervet, O / Hillert, A / Hinton, J A / Hofmann, W / Hoischen, C / Holler, M / Horns, D / Ivascenko, A / Jacholkowska, A / Jamrozy, M / Janiak, M / Jankowsky, D / Jankowsky, F / Jingo, M / Jogler, T / Jouvin, L / Jung-Richardt, I / Kastendieck, M A / Katarzyński, K / Katz, U / Kerszberg, D / Khélifi, B / Kieffer, M / King, J / Klepser, S / Klochkov, D / Kluźniak, W / Kolitzus, D / Komin, Nu / Kosack, K / Krakau, S / Kraus, M / Krayzel, F / Krüger, P P / Laffon, H / Lamanna, G / Lau, J / Lees, J-P / Lefaucheur, J / Lefranc, V / Lemière, A / Lemoine-Goumard, M / Lenain, J-P / Leser, E / Liu, R / Lohse, T / Lorentz, M / Lypova, I / Marandon, V / Marcowith, A / Mariaud, C / Marx, R / Maurin, G / Maxted, N / Mayer, M / Meintjes, P J / Meyer, M / Mitchell, A M W / Moderski, R / Mohamed, M / Morå, K / Moulin, E / Murach, T / de Naurois, M / Niederwanger, F / Niemiec, J / Oakes, L / O'Brien, P / Odaka, H / Ohm, S / Ostrowski, M / Öttl, S / Oya, I / Padovani, M / Panter, M / Parsons, R D / Paz Arribas, M / Pekeur, N W / Pelletier, G / Perennes, C / Petrucci, P-O / Peyaud, B / Pita, S / Poon, H / Prokhorov, D / Prokoph, H / Pühlhofer, G / Punch, M / Quirrenbach, A / Raab, S / Reimer, A / Reimer, O / Renaud, M / de Los Reyes, R / Rieger, F / Romoli, C / Rosier-Lees, S / Rowell, G / Rudak, B / Rulten, C B / Sahakian, V / Salek, D / Sanchez, D A / Santangelo, A / Sasaki, M / Schlickeiser, R / Schüssler, F / Schulz, A / Schwanke, U / Schwemmer, S / Settimo, M / Seyffert, A S / Shafi, N / Shilon, I / Simoni, R / Sol, H / Spanier, F / Spengler, G / Spies, F / Stawarz, Ł / Steenkamp, R / Stegmann, C / Stinzing, F / Stycz, K / Sushch, I / Tavernet, J-P / Tavernier, T / Taylor, A M / Terrier, R / Tibaldo, L / Tluczykont, M / Trichard, C / Tuffs, R / van der Walt, J / van Eldik, C / van Soelen, B / Vasileiadis, G / Veh, J / Venter, C / Viana, A / Vincent, P / Vink, J / Voisin, F / Völk, H J / Vuillaume, T / Wadiasingh, Z / Wagner, S J / Wagner, P / Wagner, R M / White, R / Wierzcholska, A / Willmann, P / Wörnlein, A / Wouters, D / Yang, R / Zabalza, V / Zaborov, D / Zacharias, M / Zdziarski, A A / Zech, A / Zefi, F / Ziegler, A / Żywucka, N

Physical review letters

2016 Volume 117, Issue 15, Page(s) 151302

Abstract: A search for dark matter linelike signals iss performed in the vicinity of the Galactic Center by the H.E.S.S. experiment on observational data taken in 2014. An unbinned likelihood analysis iss developed to improve the sensitivity to linelike signals. ... ...

Abstract	A search for dark matter linelike signals iss performed in the vicinity of the Galactic Center by the H.E.S.S. experiment on observational data taken in 2014. An unbinned likelihood analysis iss developed to improve the sensitivity to linelike signals. The upgraded analysis along with newer data extend the energy coverage of the previous measurement down to 100 GeV. The 18 h of data collected with the H.E.S.S. array allow one to rule out at 95% C.L. the presence of a 130 GeV line (at l=-1.5°, b=0° and for a dark matter profile centered at this location) previously reported in Fermi-LAT data. This new analysis overlaps significantly in energy with previous Fermi-LAT and H.E.S.S. Results: No significant excess associated with dark matter annihilations was found in the energy range of 100 GeV to 2 TeV and upper limits on the gamma-ray flux and the velocity weighted annihilation cross section are derived adopting an Einasto dark matter halo profile. Expected limits for present and future large statistics H.E.S.S. observations are also given.
Language	English
Publishing date	2016-10-07
Publishing country	United States
Document type	Journal Article
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.117.151302
Database	MEDical Literature Analysis and Retrieval System OnLINE

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