Observation of an ultra-high-energy cosmic neutrino with KM3NeT

被引:20
作者
Aiello, S. [1 ]
Albert, A. [2 ,3 ]
Alhebsi, A. R. [4 ]
Alshamsi, M. [5 ]
Garre, S. Alves [6 ]
Ambrosone, A. [7 ,8 ]
Ameli, F. [9 ]
Andre, M. [10 ]
Anghinolfi, M. [11 ]
Aphecetche, L. [12 ]
Ardid, M. [13 ]
Ardid, S. [13 ]
Arguelles, C. [14 ,15 ]
Atmani, H. [16 ]
Aublin, J. [17 ]
Badaracco, F. [11 ,18 ]
Bailly-Salins, L. [19 ]
Bardacova, Z. [20 ,21 ]
Baret, B. [17 ]
Bariego-Quintana, A. [6 ]
Becherini, Y. [17 ]
Bendahman, M. [7 ]
Gualandi, F. Benfenati [22 ,23 ]
Benhassi, M. [7 ,24 ]
Bennani, M. [18 ]
Benoit, D. M. [25 ]
Berbee, E. [26 ]
Bertin, V. [5 ]
Biagi, S. [27 ]
Boettcher, M. [28 ]
Bonanno, D. [27 ]
Bouasla, A. B. [29 ]
Boumaaza, J. [16 ]
Bouta, M. [30 ]
Bouwhuis, M. [26 ]
Bozza, C. [7 ,31 ,32 ]
Bozza, R. M. [7 ,8 ]
Branzas, H. [33 ]
Bretaudeau, F. [12 ]
Breuhaus, M. [5 ]
Bruijn, R. [26 ,34 ]
Brunner, J. [5 ]
Bruno, R. [1 ]
Buis, E. [26 ,35 ]
Buompane, R. [7 ,24 ]
Buson, S. [36 ,37 ]
Busto, J. [5 ]
Caiffi, B. [11 ]
Calvo, D. [6 ]
Capone, A. [9 ,38 ]
机构
[1] INFN, Sez Catania, INFN CT, Catania, Italy
[2] Univ Strasbourg, CNRS, IPHC, UMR 7178, Strasbourg, France
[3] Univ Haute Alsace, Mulhouse, France
[4] Khalifa Univ, Dept Phys, Abu Dhabi, U Arab Emirates
[5] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France
[6] Univ Valencia, CSIC, IFIC Inst Fis Corpuscular, Paterna, Spain
[7] Complesso Univ Monte S Angelo, INFN, Sez Napoli, Naples, Italy
[8] Univ Napoli Federico II, Dip Sci Fis E Pancini, Complesso Univ Monte S Angelo, Naples, Italy
[9] INFN, Sez Roma, Rome, Italy
[10] Univ Politecn Cataluna, Ctr Tecnol Vilanova I La Geltru, Lab Aplicac Bioacust, Vilanova I La Geltru, Spain
[11] INFN, Sez Genova, Genoa, Italy
[12] Nantes Univ, Subatech, IMT Atlantique, IN2P3,CNRS, Nantes, France
[13] Univ Politecn Valencia, Inst Invest Gest Integrada Zonas Costeras, Gandia, Spain
[14] Harvard Univ, Dept Phys, Cambridge, MA USA
[15] Harvard Univ, Lyman Lab, Lab Particle Phys & Cosmol, Cambridge, MA USA
[16] Univ Mohammed V Rabat, Fac Sci, Rabat, Morocco
[17] Univ Paris Cite, CNRS, Astroparticule & Cosmol, Paris, France
[18] Univ Genoa, Genoa, Italy
[19] Normandie Univ, LPC CAEN, ENSICAEN, UNICAEN,CNRS,IN2P3, Caen, France
[20] Czech Tech Univ, Inst Expt & Appl Phys, Prague, Czech Republic
[21] Comenius Univ, Dept Nucl Phys & Biophys, Bratislava, Slovakia
[22] INFN, Sez Bologna, Bologna, Italy
[23] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy
[24] Univ Campania Luigi Vanvitelli, Dipartimento Matemat & Fis, Caserta, Italy
[25] Univ Hull, EA Milne Ctr Astrophys, Kingston Upon Hull, N Humberside, England
[26] Natl Inst Subat Phys, Nikhef, Amsterdam, Netherlands
[27] INFN, Lab Nazl Sud LNS, Catania, Italy
[28] North West Univ, Ctr Space Res, Potchefstroom, South Africa
[29] Univ Badji Mokhtar Annaba, Fac Sci, Lab Phys Rayonnements, Dept Phys, Annaba, Algeria
[30] Univ Mohammed, Fac Sci, Oujda, Morocco
[31] Univ Salerno, Dipartimento Fis, Fisciano, Italy
[32] INFN, Grp Collegato Salerno, Fisciano, Italy
[33] Inst Space Sci ISS, Magurele, Romania
[34] Univ Amsterdam, IHEF, Inst Phys, Amsterdam, Netherlands
[35] TNO, Tech Sci, Delft, Netherlands
[36] Deutsch Elektronen Synchrotron DESY, Zeuthen, Germany
[37] Julius Maximilians Univ Wurzburg, Lehrstuhl Astron, Inst Theoret Phys & Astrophys, Fak Phys & Astron, Wurzburg, Germany
[38] Univ Sapienza, Dipartimento Fis, Rome, Italy
[39] Univ Bologna, Dipartimento Ingn Energia Elettr & Informaz Gugli, Cesena, Italy
[40] Cadi Ayyad Univ, Dept Phys, Fac Sci Semlalia, Marrakech, Morocco
[41] Univ Witwatersrand, Sch Phys, Johannesburg, South Africa
[42] Univ Catania, Dipartimento Fis & Astron Ettore Majorana, INFN CT, Catania, Italy
[43] INFN, Sez Bari, Bari, Italy
[44] UCLouvain, Ctr Cosmol Particle Phys & Phenomenol, Louvain La Neuve, Belgium
[45] Univ Granada, CITIC, Dept Comp Engn Automat & Robot, Granada, Spain
[46] Friedrich Alexander Univ Erlangen Nurnberg FAU, Erlangen Ctr Astroparticle Phys, Erlangen, Germany
[47] NCSR Demokritos, Inst Nucl & Particle Phys, Athens, Greece
[48] Univ Western Sydney, Sch Comp Engn & Math, Penrith, NSW, Australia
[49] Univ Granada, Departamento Fis Teor & Cosmos, Granada, Spain
[50] Univ Granada, CAFPE, Granada, Spain
基金
欧洲研究理事会; 美国国家科学基金会;
关键词
SPECTRUM;
D O I
10.1038/s41586-024-08543-1
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The detection of cosmic neutrinos with energies above a teraelectronvolt (TeV) offers a unique exploration into astrophysical phenomena(1-3). Electrically neutral and interacting only by means of the weak interaction, neutrinos are not deflected by magnetic fields and are rarely absorbed by interstellar matter: their direction indicates that their cosmic origin might be from the farthest reaches of the Universe. High-energy neutrinos can be produced when ultra-relativistic cosmic-ray protons or nuclei interact with other matter or photons, and their observation could be a signature of these processes. Here we report an exceptionally high-energy event observed by KM3NeT, the deep-sea neutrino telescope in the Mediterranean Sea(4), which we associate with a cosmic neutrino detection. We detect a muon with an estimated energy of 120(-60)(+110) petaelectronvolts (PeV). In light of its enormous energy and near-horizontal direction, the muon most probably originated from the interaction of a neutrino of even higher energy in the vicinity of the detector. The cosmic neutrino energy spectrum measured up to now(5-7) falls steeply with energy. However, the energy of this event is much larger than that of any neutrino detected so far. This suggests that the neutrino may have originated in a different cosmic accelerator than the lower-energy neutrinos, or this may be the first detection of a cosmogenic neutrino(8), resulting from the interactions of ultra-high-energy cosmic rays with background photons in the Universe.
引用
收藏
页码:376 / +
页数:20
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