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- Energy Research
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description Publicationkeyboard_double_arrow_right Article , Preprint 2023Embargo end date: 01 Jan 2023 France, France, France, France, France, France, France, Germany, France, Germany, France, France, France, Netherlands, Poland, SwedenPublisher:EDP Sciences Funded by:DFG, IRCDFG ,IRCAharonian, F.; Ait Benkhali, F.; Bi, B.; Mohrmann, L.; Montanari, A.; Moulin, E.; Muller, J.; Nakashima, K.; de Naurois, M.; Niemiec, J.; Noel, A. Priyana; O'Brien, P.; Ohm, S.; Böttcher, M.; Olivera-Nieto, L.; de Ona Wilhelmi, E.; Ostrowski, M.; Panny, S.; Panter, M.; Parsons, R. D.; Peron, G.; Prokhorov, D. A.; Pühlhofer, G.; Quirrenbach, A.; Boisson, C.; Reimer, A.; Reimer, O.; Renaud, M.; Reville, B.; Rieger, F.; Rowell, G.; Rudak, B.; Ricarte, H. Rueda; Ruiz-Velasco, E.; Sahakian, V.; Bolmont, J.; Salzmann, H.; Santangelo, A.; Sasaki, M.; Schüssler, F.; Schutte, H. M.; Schwanke, U.; Shapopi, J. N. S.; Sinha, A.; Sol, H.; Specovius, A.; Borowska, J.; Spencer, S.; Stawarz, Ł.; Steinmassl, S.; Sushch, I.; Suzuki, H.; Takahashi, T.; Tanaka, T.; Tavernier, T.; Taylor, A. M.; Terrier, R.; Bouyahiaoui, M.; Thorpe-Morgan, C.; Tsirou, M.; Tsuji, N.; Vecchi, M.; Venter, C.; Vink, J.; Wagner, S. J.; White, R.; Wierzcholska, A.; Wong, Yu Wun; Bradascio, F.; Zacharias, M.; Zargaryan, D.; Zdziarski, A. A.; Zech, A.; Zouari, S.; Zywucka, N.; H. E. S. S. Collaboration; Brose, R.; Brun, F.; Bruno, B.; Aschersleben, J.; Bulik, T.; Burger-Scheidlin, C.; Cangemi, F.; Caroff, S.; Casanova, S.; Celic, J.; Cerruti, M.; Chambery, P.; Chand, T.; Chandra, S.; Ashkar, H.; Chen, A.; Chibueze, J.; Chibueze, O.; Cotter, G.; Damascene Mbarubucyeye, J.; Devin, J.; Djannati-Ataï, A.; Dmytriiev, A.; Egberts, K.; Einecke, S.; Backes, M.; Ernenwein, J.-P.; Feijen, K.; Fichet de Clairfontaine, G.; Filipovic, M.; Fontaine, G.; Füßling, M.; Funk, S.; Gabici, S.; Gallant, Y. A.; Ghafourizadeh, S.; Barbosa Martins, V.; Giavitto, G.; Giunti, L.; Glawion, D.; Glicenstein, J. F.; Goswami, P.; Grolleron, G.; Grondin, M.-H.; Haerer, L.; Haupt, M.; Hermann, G.; Batzofin, R.; Hinton, J. A.; Hofmann, W.; Holch, T. L.; Holler, M.; Horns, D.; Huang, Zhiqiu; Jamrozy, M.; Jankowsky, F.; Joshi, V.; Jung-Richardt, I.; Becherini, Y.; Kasai, E.; Katarzynski, K.; Khélifi, B.; Klúzniak, W.; Komin, Nu.; Kosack, K.; Kostunin, D.; Lang, R. G.; Le Stum, S.; Leitl, F.; Berge, D.; Lemière, A.; Lemoine-Goumard, M.; Lenain, J.-P.; Leuschner, F.; Lohse, T.; Luashvili, A.; Lypova, I.; Mackey, J.; Malyshev, D.; Marandon, V.; Bernlöhr, K.; Marchegiani, P.; Marcowith, A.; Marinos, P.; Martí-Devesa, G.; Marx, R.; Maurin, G.; Meintjes, P. J.; Meyer, M.; Mitchell, A.; Moderski, R.;Geminga is an enigmatic radio-quiet γ-ray pulsar located at a mere 250 pc distance from Earth. Extended very-high-energy γ-ray emission around the pulsar was discovered by Milagro and later confirmed by HAWC, which are both water Cherenkov detector-based experiments. However, evidence for the Geminga pulsar wind nebula in gamma rays has long evaded detection by imaging atmospheric Cherenkov telescopes (IACTs) despite targeted observations. The detection of γ-ray emission on angular scales ≳2º poses a considerable challenge for the background estimation in IACT data analysis. With recent developments in understanding the complementary background estimation techniques of water Cherenkov and atmospheric Cherenkov instruments, the H.E.S.S. IACT array can now confirm the detection of highly extended γ-ray emission around the Geminga pulsar with a radius of at least 3º in the energy range 0.5–40 TeV. We find no indications for statistically significant asymmetries or energy-dependent morphology. A flux normalisation of (2.8 ± 0.7) × 10−12 cm−2 s−1 TeV−1 at 1 TeV is obtained within a 1º radius region around the pulsar. To investigate the particle transport within the halo of energetic leptons around the pulsar, we fitted an electron diffusion model to the data. The normalisation of the diffusion coefficient obtained of D0 = 7.6−1.2+1.5 × 1027 cm2 s−1, at an electron energy of 100 TeV, is compatible with values previously reported for the pulsar halo around Geminga, which is considerably below the Galactic average.
Archive de l'Observa... arrow_drop_down Archive de l'Observatoire de Paris (HAL)Article . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Linnaeus University Kalmar Växjö: Publications (DiVA)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)École Polytechnique, Université Paris-Saclay: HALArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules)Article . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Université Savoie Mont Blanc: HALArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Astronomy and AstrophysicsArticle . 2023License: CC BYData sources: Universiteit van Amsterdam Digital Academic RepositoryAstronomy and AstrophysicsArticle . 2023License: CC BYData sources: University of Groningen Research PortalDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2023 . Peer-reviewedUniversity of Western Sydney (UWS): Research DirectArticle . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Universiteit van Amsterdam: Digital Academic Repository (UvA DARE)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/0004-6361/202245776&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu12 citations 12 popularity Top 10% influence Average impulse Top 10% 
Powered by BIP!more_vert Archive de l'Observa... arrow_drop_down Archive de l'Observatoire de Paris (HAL)Article . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Linnaeus University Kalmar Växjö: Publications (DiVA)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)École Polytechnique, Université Paris-Saclay: HALArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules)Article . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Université Savoie Mont Blanc: HALArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Astronomy and AstrophysicsArticle . 2023License: CC BYData sources: Universiteit van Amsterdam Digital Academic RepositoryAstronomy and AstrophysicsArticle . 2023License: CC BYData sources: University of Groningen Research PortalDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2023 . Peer-reviewedUniversity of Western Sydney (UWS): Research DirectArticle . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Universiteit van Amsterdam: Digital Academic Repository (UvA DARE)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/0004-6361/202245776&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu
Advanced search in Research productsarrow_drop_down
Research products
The following results are related to Energy Research. Are you interested to view more results? Visit OpenAIRE - Explore.
1 Research products
description Publicationkeyboard_double_arrow_right Article , Preprint 2023Embargo end date: 01 Jan 2023 France, France, France, France, France, France, France, Germany, France, Germany, France, France, France, Netherlands, Poland, SwedenPublisher:EDP Sciences Funded by:DFG, IRCDFG ,IRCAharonian, F.; Ait Benkhali, F.; Bi, B.; Mohrmann, L.; Montanari, A.; Moulin, E.; Muller, J.; Nakashima, K.; de Naurois, M.; Niemiec, J.; Noel, A. Priyana; O'Brien, P.; Ohm, S.; Böttcher, M.; Olivera-Nieto, L.; de Ona Wilhelmi, E.; Ostrowski, M.; Panny, S.; Panter, M.; Parsons, R. D.; Peron, G.; Prokhorov, D. A.; Pühlhofer, G.; Quirrenbach, A.; Boisson, C.; Reimer, A.; Reimer, O.; Renaud, M.; Reville, B.; Rieger, F.; Rowell, G.; Rudak, B.; Ricarte, H. Rueda; Ruiz-Velasco, E.; Sahakian, V.; Bolmont, J.; Salzmann, H.; Santangelo, A.; Sasaki, M.; Schüssler, F.; Schutte, H. M.; Schwanke, U.; Shapopi, J. N. S.; Sinha, A.; Sol, H.; Specovius, A.; Borowska, J.; Spencer, S.; Stawarz, Ł.; Steinmassl, S.; Sushch, I.; Suzuki, H.; Takahashi, T.; Tanaka, T.; Tavernier, T.; Taylor, A. M.; Terrier, R.; Bouyahiaoui, M.; Thorpe-Morgan, C.; Tsirou, M.; Tsuji, N.; Vecchi, M.; Venter, C.; Vink, J.; Wagner, S. J.; White, R.; Wierzcholska, A.; Wong, Yu Wun; Bradascio, F.; Zacharias, M.; Zargaryan, D.; Zdziarski, A. A.; Zech, A.; Zouari, S.; Zywucka, N.; H. E. S. S. Collaboration; Brose, R.; Brun, F.; Bruno, B.; Aschersleben, J.; Bulik, T.; Burger-Scheidlin, C.; Cangemi, F.; Caroff, S.; Casanova, S.; Celic, J.; Cerruti, M.; Chambery, P.; Chand, T.; Chandra, S.; Ashkar, H.; Chen, A.; Chibueze, J.; Chibueze, O.; Cotter, G.; Damascene Mbarubucyeye, J.; Devin, J.; Djannati-Ataï, A.; Dmytriiev, A.; Egberts, K.; Einecke, S.; Backes, M.; Ernenwein, J.-P.; Feijen, K.; Fichet de Clairfontaine, G.; Filipovic, M.; Fontaine, G.; Füßling, M.; Funk, S.; Gabici, S.; Gallant, Y. A.; Ghafourizadeh, S.; Barbosa Martins, V.; Giavitto, G.; Giunti, L.; Glawion, D.; Glicenstein, J. F.; Goswami, P.; Grolleron, G.; Grondin, M.-H.; Haerer, L.; Haupt, M.; Hermann, G.; Batzofin, R.; Hinton, J. A.; Hofmann, W.; Holch, T. L.; Holler, M.; Horns, D.; Huang, Zhiqiu; Jamrozy, M.; Jankowsky, F.; Joshi, V.; Jung-Richardt, I.; Becherini, Y.; Kasai, E.; Katarzynski, K.; Khélifi, B.; Klúzniak, W.; Komin, Nu.; Kosack, K.; Kostunin, D.; Lang, R. G.; Le Stum, S.; Leitl, F.; Berge, D.; Lemière, A.; Lemoine-Goumard, M.; Lenain, J.-P.; Leuschner, F.; Lohse, T.; Luashvili, A.; Lypova, I.; Mackey, J.; Malyshev, D.; Marandon, V.; Bernlöhr, K.; Marchegiani, P.; Marcowith, A.; Marinos, P.; Martí-Devesa, G.; Marx, R.; Maurin, G.; Meintjes, P. J.; Meyer, M.; Mitchell, A.; Moderski, R.;Geminga is an enigmatic radio-quiet γ-ray pulsar located at a mere 250 pc distance from Earth. Extended very-high-energy γ-ray emission around the pulsar was discovered by Milagro and later confirmed by HAWC, which are both water Cherenkov detector-based experiments. However, evidence for the Geminga pulsar wind nebula in gamma rays has long evaded detection by imaging atmospheric Cherenkov telescopes (IACTs) despite targeted observations. The detection of γ-ray emission on angular scales ≳2º poses a considerable challenge for the background estimation in IACT data analysis. With recent developments in understanding the complementary background estimation techniques of water Cherenkov and atmospheric Cherenkov instruments, the H.E.S.S. IACT array can now confirm the detection of highly extended γ-ray emission around the Geminga pulsar with a radius of at least 3º in the energy range 0.5–40 TeV. We find no indications for statistically significant asymmetries or energy-dependent morphology. A flux normalisation of (2.8 ± 0.7) × 10−12 cm−2 s−1 TeV−1 at 1 TeV is obtained within a 1º radius region around the pulsar. To investigate the particle transport within the halo of energetic leptons around the pulsar, we fitted an electron diffusion model to the data. The normalisation of the diffusion coefficient obtained of D0 = 7.6−1.2+1.5 × 1027 cm2 s−1, at an electron energy of 100 TeV, is compatible with values previously reported for the pulsar halo around Geminga, which is considerably below the Galactic average.
Archive de l'Observa... arrow_drop_down Archive de l'Observatoire de Paris (HAL)Article . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Linnaeus University Kalmar Växjö: Publications (DiVA)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)École Polytechnique, Université Paris-Saclay: HALArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules)Article . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Université Savoie Mont Blanc: HALArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Astronomy and AstrophysicsArticle . 2023License: CC BYData sources: Universiteit van Amsterdam Digital Academic RepositoryAstronomy and AstrophysicsArticle . 2023License: CC BYData sources: University of Groningen Research PortalDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2023 . Peer-reviewedUniversity of Western Sydney (UWS): Research DirectArticle . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Universiteit van Amsterdam: Digital Academic Repository (UvA DARE)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/0004-6361/202245776&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu12 citations 12 popularity Top 10% influence Average impulse Top 10% Powered by BIP!more_vert Archive de l'Observa... arrow_drop_down Archive de l'Observatoire de Paris (HAL)Article . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Linnaeus University Kalmar Växjö: Publications (DiVA)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)École Polytechnique, Université Paris-Saclay: HALArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules)Article . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Université Savoie Mont Blanc: HALArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Institut national des sciences de l'Univers: HAL-INSUArticle . 2023Full-Text: https://hal.science/hal-04080197Data sources: Bielefeld Academic Search Engine (BASE)Astronomy and AstrophysicsArticle . 2023License: CC BYData sources: Universiteit van Amsterdam Digital Academic RepositoryAstronomy and AstrophysicsArticle . 2023License: CC BYData sources: University of Groningen Research PortalDigitala Vetenskapliga Arkivet - Academic Archive On-lineArticle . 2023 . Peer-reviewedUniversity of Western Sydney (UWS): Research DirectArticle . 2023License: CC BYData sources: Bielefeld Academic Search Engine (BASE)Universiteit van Amsterdam: Digital Academic Repository (UvA DARE)Article . 2023Data sources: Bielefeld Academic Search Engine (BASE)add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://beta.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/0004-6361/202245776&type=result"></script>'); --> </script>For further information contact us at helpdesk@openaire.eu