Discovery of a Radiation Component from the Vela Pulsar Reaching 20 Teraelectronvolts

Aharonian, F.; Damascene Mbarubucyeye, J.; White, R.; Hinton, J. A.; Boisson, C.; H. E. S. S. Collaboration; Rowell, G.; Moulin, E.; de Bony de Lavergne, M.; Khélifi, B.; Bradascio, F.; Rieger, F.; Reimer, A.; Olivera-Nieto, L.; Shapopi, J. N. S.; Lemoine-Goumard, M.; Marx, R.; Venter, C.; Bolmont, J.; Montanari, A.; Berge, D.; Tanaka, T.; Lohse, T.; Klúzniak, W.; Schwanke, U.; Wong, Yu Wun; Grondin, M.-H.; Pühlhofer, G.; Kostunin, D.; Tavernier, T.; O'Brien, P.; Klepser, S.; Sanchez, D. A.; Chibueze, O.; Reichherzer, P.; Böttcher, M.; Bruno, B.; Grolleron, G.; Backes, M.; Le Stum, S.; Steppa, C.; Tluczykont, M.; Punch, M.; Giavitto, G.; Fichet de Clairfontaine, G.; Holler, M.; Zdziarski, A. A.; Thorpe-Morgan, C.; Glawion, D.; Moderski, R.; Prokhorov, D. A.; Prokoph, H.; Haupt, M.; Santangelo, A.; Peron, G.; Wagner, S. J.; Marinos, P.; Egberts, K.; Ghafourizadeh, S.; Marchegiani, P.; Bernlöhr, K.; Steinmassl, S.; Zywucka, N.; Chand, T.; Bulik, T.; Cotter, G.; Nakashima, K.; Rudak, B.; Haerer, L.; Aschersleben, J.; Yassin, H.; Meyer, M.; Tsuji, N.; Kasai, E.; Brose, R.; Gallant, Y. A.; Marcowith, A.; Reimer, O.; Holch, T. L.; Quirrenbach, A.; Takahashi, T.; Fontaine, G.; Sol, H.; Giunti, L.; Noel, A. Priyana; Tsirou, M.; Shannon, R. M.; Terrier, R.; Veh, J.; Katarzynski, K.; Funk, S.; Burger-Scheidlin, C.; Pita, S.; Bi, B.; Zhu, S. J.; Jung-Richardt, I.; Steenkamp, R.; Feijen, K.; Spir-Jacob, M.; Salzmann, H.; Dmytriiev, A.; Huang, Zhiqiu; Zargaryan, D.; Muller, J.; de Naurois, M.; Parsons, R. D.; Mackey, J.; Zanin, R.; Vink, J.; de Ona Wilhelmi, Emma Maria; Chen, A.; Casanova, S.; Sailer, S.; Murach, T.; Ashkar, H.; Celic, J.; Zouari, S.; Joshi, V.; Hofmann, W.; Marandon, V.; Panny, S.; Niemiec, J.; Ostrowski, M.; Martí-Devesa, G.; Sinha, A.; Sasaki, M.; Caroff, S.; Brun, F.; Fiasson, A.; Leuschner, F.; Komin, Nu.; Cangemi, F.; Chandra, S.; Zech, A.; Batzofin, R.; Jamrozy, M.; van Eldik, C.; Maurin, G.; Barbosa Martins, V.; Jankowsky, F.; Werner, F.; Mohrmann, L.; Mitchell, A.; Malyshev, D.; Horns, D.; Ruiz-Velasco, E.; Ait Benkhali, F.; Ernenwein, J.-P.; Füßling, M.; Lenain, J.-P.; Bylund, T.; Kosack, K.; Borowska, J.; Sushch, I.; Breuhaus, M.; Suzuki, H.; Wierzcholska, A.; Becherini, Y.; Smith, D. A.; Kerr, M.; Johnston, S.; Vecchi, M.; Gabici, S.; Glicenstein, J. F.; Stawarz, L.; Specovius, A.; Lang, R. G.; Lemière, A.; Cerruti, M.; Schüssler, F.; Luashvili, A.; Spencer, S.; Renaud, M.; Zacharias, M.; Ohm, S.; Goswami, P.; Sahakian, V.; Lypova, I.; Djannati-Atai, A.; Panter, M.

doi:10.1038/s41550-023-02052-3

Journal Article

PUBDB-2023-06202

Discovery of a Radiation Component from the Vela Pulsar Reaching 20 Teraelectronvolts

Aharonian, F. ; Ait Benkhali, F. ; Aschersleben, J. ; Ashkar, H. ; Backes, M. ; Barbosa Martins, V.DESY* ; Batzofin, R. ; Becherini, Y. ; Berge, D.DESY* ; Bernlöhr, K. ; Bi, B. ; Böttcher, M. ; Boisson, C. ; Bolmont, J. ; de Bony de Lavergne, M. ; Borowska, J. ; Bradascio, F. ; Breuhaus, M. ; Brose, R. ; Brun, F. ; Bruno, B. ; Bulik, T. ; Burger-Scheidlin, C. ; Bylund, T. ; Cangemi, F. ; Caroff, S. ; Casanova, S. ; Celic, J. ; Cerruti, M. ; Chand, T. ; Chandra, S. ; Chen, A. ; Chibueze, O. ; Cotter, G. ; Damascene Mbarubucyeye, J.DESY* ; Djannati-Atai, A. (Corresponding author) ; Dmytriiev, A. ; Egberts, K. ; Ernenwein, J.-P. ; Feijen, K. ; Fiasson, A. ; Fichet de Clairfontaine, G. ; Fontaine, G. ; Füßling, M.Extern* ; Funk, S. ; Gabici, S. ; Gallant, Y. A. ; Ghafourizadeh, S. ; Giavitto, G.DESY* ; Giunti, L. ; Glawion, D. ; Glicenstein, J. F. ; Goswami, P. ; Grolleron, G. ; Grondin, M.-H. ; Haerer, L. ; Haupt, M.DESY* ; Hinton, J. A. ; Hofmann, W. ; Holch, T. L.DESY* ; Holler, M. ; Horns, D. ; Huang, Z. ; Jamrozy, M. ; Jankowsky, F. ; Joshi, V. ; Jung-Richardt, I. ; Kasai, E. ; Katarzynski, K. ; Khélifi, B. ; Klepser, S.DESY* ; Klúzniak, W. ; Komin, N. ; Kosack, K. ; Kostunin, D.DESY* ; Lang, R. G. ; Le Stum, S. ; Lemière, A. ; Lemoine-Goumard, M. ; Lenain, J.-P. ; Leuschner, F. ; Lohse, T. ; Luashvili, A. ; Lypova, I. ; Mackey, J. ; Malyshev, D. ; Malyshev, D. ; Marandon, V. ; Marchegiani, P. ; Marcowith, A. ; Marinos, P. ; Martí-Devesa, G. ; Marx, R. ; Maurin, G. ; Meyer, M. ; Mitchell, A. ; Moderski, R. ; Mohrmann, L. ; Montanari, A. ; Moulin, E. ; Muller, J. ; Murach, T.DESY* ; Nakashima, K. ; de Naurois, M. ; Niemiec, J. ; Noel, A. P. ; O'Brien, P. ; Ohm, S. ; Olivera-Nieto, L. ; de Ona Wilhelmi, E. M. (Corresponding author)DESY* ; Ostrowski, M. ; Panny, S. ; Panter, M. ; Parsons, R. D. ; Peron, G. ; Pita, S. ; Prokhorov, D. A. ; Prokoph, H.DESY* ; Pühlhofer, G. ; Punch, M. ; Quirrenbach, A. ; Reichherzer, P. ; Reimer, A. ; Reimer, O. ; Renaud, M. ; Rieger, F. ; Rowell, G. ; Rudak, B. (Corresponding author) ; Ruiz-Velasco, E. ; Sahakian, V. ; Sailer, S. ; Salzmann, H. ; Sanchez, D. A. ; Santangelo, A. ; Sasaki, M. ; Schüssler, F. ; Schwanke, U. ; Shapopi, J. N. S. ; Sinha, A. ; Sol, H. ; Specovius, A. ; Spencer, S. ; Spir-Jacob, M. ; Stawarz, L. ; Steenkamp, R. ; Steinmassl, S. ; Steppa, C. ; Sushch, I. ; Suzuki, H. ; Takahashi, T. ; Tanaka, T. ; Tavernier, T. ; Terrier, R. ; Thorpe-Morgan, C. ; Tluczykont, M. ; Tsirou, M. ; Tsuji, N. ; van Eldik, C. ; Vecchi, M. ; Veh, J. ; Venter, C. (Corresponding author) ; Vink, J. ; Wagner, S. J. ; Werner, F. ; White, R. ; Wierzcholska, A. ; Wong, Y. W. ; Yassin, H. ; Zacharias, M. ; Zargaryan, D. ; Zdziarski, A. A. ; Zech, A. ; Zhu, S. J. ; Zouari, S. ; Zywucka, N. ; Zanin, R. ; Kerr, M. ; Johnston, S. ; Shannon, R. M. ; Smith, D. A. ; H. E. S. S. Collaboration (Collaboration author)

2023
Nature Publishing Group London

Nature astronomy 7(11), 1341 - 1350 (2023) [10.1038/s41550-023-02052-3]

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Please use a persistent id in citations: doi:10.1038/s41550-023-02052-3

Report No.: arXiv:2310.06181

Abstract: Gamma-ray observations have established energetic isolated pulsars as outstanding particle accelerators and antimatter factories in the Galaxy. There is, however, no consensus regarding the acceleration mechanisms and the radiative processes at play, nor the locations where these take place. The spectra of all observed gamma-ray pulsars to date show strong cutoffs or a break above energies of a few gigaelectronvolt (GeV). Using the H.E.S.S. array of Cherenkov telescopes, we discovered a novel radiation component emerging beyond this generic GeV cutoff in the Vela pulsar's broadband spectrum. The extension of gamma-ray pulsation energies up to at least 20 teraelectronvolts (TeV) shows that Vela pulsar can accelerate particles to Lorentz factors higher than $4\times10^7$. This is an order of magnitude larger than in the case of the Crab pulsar, the only other pulsar detected in the TeV energy range. Our results challenge the state-of-the-art models for high-energy emission of pulsars while providing a new probe, i.e. the energetic multi-TeV component, for constraining the acceleration and emission processes in their extreme energy limit.

Keyword(s): pulsar, emission ; antimatter, particle source ; gamma ray ; acceleration ; GeV ; TeV ; accelerator ; Cherenkov counter ; Lorentz ; galaxy ; HESS

Classification:

ddc:520

Note: 38 pages, 6 figures. This preprint has not undergone peer review or any post-submission improvements or corrections. The Version of Record of this article is published in Nature Astronomy, Nat Astron (2023), and is available online at https://doi.org/10.1038/s41550-023-02052-3 Waiting for fulltext

Contributing Institute(s):

High Energy Steroscopic System (Z_HESS)

Research Program(s):

613 - Matter and Radiation from the Universe (POF4-613) (POF4-613)

Experiment(s):

High Energy Stereoscopic System

Appears in the scientific report 2023

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; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DEAL Nature ; Essential Science Indicators ; IF >= 10 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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Journal Article Aharonian, F. ; Benkhali, F. A. ; Aschersleben, J. ; et al
Author Correction: Discovery of a radiation component from the Vela pulsar reaching 20 teraelectronvolts
Nature astronomy 8(1), 145-145 (2023) [10.1038/s41550-023-02151-1]2023 arXiv Files Fulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS

Preprint Aharonian, F. ; Ait Benkhali, F. ; Aschersleben, J. ; et al
Discovery of a Radiation Component from the Vela Pulsar Reaching 20 Teraelectronvolts
arXiv Files Fulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS

Record created 2023-10-16, last modified 2025-07-24

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