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TAROGE-M : radio antenna array on antarctic high mountain for detecting near-horizontal ultra-high energy air showers

Wang, Shih-Hao (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.
Nam, Jiwoo (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.
Chen, Pisin (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.;Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA.
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Chen, Yaocheng (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.
Choi, Taejin (författare)
Ham, Young-bae (författare)
Korea Polar Res Inst, Div Atmospher Sci, Incheon, South Korea.;Korea Univ Sci & Technol, Dept Polar Sci, Daejeon, South Korea.
Hsu, Shih-Ying (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.
Huang, Jian-Jung (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.
Huang, Ming-Huey A. (författare)
Jee, Geonhwa (författare)
Korea Polar Res Inst, Div Atmospher Sci, Incheon, South Korea.;Korea Univ Sci & Technol, Dept Polar Sci, Daejeon, South Korea.
Jung, Jongil (författare)
Natl United Univ, Dept Energy Engn, Miaoli, Taiwan.
Kim, Jieun (författare)
Korea Polar Res Inst, Div Atmospher Sci, Incheon, South Korea.
Kuo, Chung-Yun (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.
Kwon, Hyuck-Jin (författare)
Korea Polar Res Inst, Div Atmospher Sci, Incheon, South Korea.
Lee, Changsup (författare)
Korea Polar Res Inst, Div Atmospher Sci, Incheon, South Korea.;Korea Univ Sci & Technol, Dept Polar Sci, Daejeon, South Korea.
Leung, Chung-Hei (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.;Chungnam Natl Univ, Dept Astron Space Sci & Geol, Daejeon 34134, South Korea.
Liu, Tsung-Che (författare)
Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.;Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA.;Natl Yang Ming Chiao Tung Univ, Dept Elect, Hsinchu 300, Taiwan.
Shiao, Yu-Shao J. (författare)
Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.;Natl Nano Device Labs, Hsinchu 300, Taiwan.
Shin, Bok-Kyun (författare)
Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.;Ulsan Natl Inst Sci & Technol, Ulsan 44919, South Korea.
Wang, Min-Zu (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.
Wang, Yu-Hsin (författare)
Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.
Anker, Astrid (författare)
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
Barwick, Steven W. (författare)
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
Besson, Dave Z. (författare)
Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA.
Bouma, Sjoerd (författare)
DESY, D-15738 Zeuthen, Germany.
Cataldo, Maddalena (författare)
Friedrich Alexander Univ Erlangen Nurnberg, ECAP, D-91058 Erlangen, Germany.
Gaswint, Geoffrey (författare)
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
Glaser, Christian (författare)
Uppsala universitet,Institutionen för fysik och astronomi
Hallmann, Steffen (författare)
Hanson, Jordan C. (författare)
Whittier Coll, Dept Phys, Whittier, CA 90602 USA.
Henrichs, Jakob (författare)
DESY, D-15738 Zeuthen, Germany.;Friedrich Alexander Univ Erlangen Nurnberg, ECAP, D-91058 Erlangen, Germany.
Kleinfelder, Stuart A. (författare)
Univ Calif Irvine, Dept Elect Engn & Comp Sci, Irvine, CA 92697 USA.
Lahmann, Robert (författare)
Friedrich Alexander Univ Erlangen Nurnberg, ECAP, D-91058 Erlangen, Germany.
Meyers, Zachary S. (författare)
DESY, D-15738 Zeuthen, Germany.;Friedrich Alexander Univ Erlangen Nurnberg, ECAP, D-91058 Erlangen, Germany.
Nelles, Anna (författare)
DESY, D-15738 Zeuthen, Germany.;Friedrich Alexander Univ Erlangen Nurnberg, ECAP, D-91058 Erlangen, Germany.
Novikov, Alexander (författare)
Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA.
Paul, Manuel P. (författare)
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
Pyras, Lilly (författare)
Friedrich Alexander Univ Erlangen Nurnberg, ECAP, D-91058 Erlangen, Germany.
Persichilli, Christopher (författare)
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
Plaisier, Ilse (författare)
DESY, D-15738 Zeuthen, Germany.;Friedrich Alexander Univ Erlangen Nurnberg, ECAP, D-91058 Erlangen, Germany.
Rice-Smith, Ryan (författare)
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
Seikh, Mohammad F. H. (författare)
Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA.
Tatar, Joulien (författare)
Univ Calif Irvine, Res Cyberinfrastruct Ctr, Irvine, CA 92697 USA.
Welling, Christoph (författare)
DESY, D-15738 Zeuthen, Germany.;Friedrich Alexander Univ Erlangen Nurnberg, ECAP, D-91058 Erlangen, Germany.
Zhao, Leshan (författare)
Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
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Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan. Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan.;Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA. (creator_code:org_t)
2022-11-11
2022
Engelska.
Ingår i: Journal of Cosmology and Astroparticle Physics. - : IOP Publishing. - 1475-7516. ; :11
Relaterad länk:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • The TAROGE-M radio observatory is a self-triggered antenna array on top of the similar to 2700m high Mt. Melbourne in Antarctica, designed to detect impulsive geomagnetic emission from extensive air showers induced by ultra-high energy (UHE) particles beyond 1017 eV, including cosmic rays, Earth-skimming tau neutrinos, and particularly, the "ANITA anomalous events" (AAE) from near and below the horizon. The six AAE discovered by the ANITA experiment have signal features similar to tau neutrinos but that hypothesis is in tension either with the interaction length predicted by Standard Model or with the flux limits set by other experiments. Their origin remains uncertain, requiring more experimental inputs for clarification. The detection concept of TAROGE-M takes advantage of a high altitude with synoptic view toward the horizon as an efficient signal collector, and the radio quietness as well as strong and near vertical geomagnetic field in Antarctica, enhancing the relative radio signal strength. This approach has a low energy threshold, high duty cycle, and is easy to extend for quickly enlarging statistics. Here we report experimental results from the first TAROGEM station deployed in January 2020, corresponding to approximately one month of livetime. The station consists of six receiving antennas operating at 180-450 MHz, and can reconstruct source directions of impulsive events with an angular resolution of similar to 0.3 ffi, calibrated in situ with a drone-borne pulser system. To demonstrate TAROGE-M's ability to detect UHE air showers, a search for cosmic ray signals in 25.3-days of data together with the detection simulation were conducted, resulting in seven identified candidates. The detected events have a mean reconstructed energy of 0.95+0.46 -0.31 EeV and zenith angles ranging from 25 ffi to 82 ffi, with both distributions agreeing with the simulations, indicating an energy threshold at about 0.3 EeV. The estimated cosmic ray flux at that energy is 1.2+0.7 -0.9x10(-16) eV(-1) km(-2) yr(-1) sr(-1), also consistent with results of other experiments. The TAROGE-M sensitivity to AAEs is approximated by the tau neutrino exposure with simulations, which suggests comparable sensitivity as ANITA's at around 1 EeV energy with a few station-years of operation. These first results verified the station design and performance in a polar and high-altitude environment, and are promising for further discovery of tau neutrinos and AAEs after an extension in the near future.

Ämnesord

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Nyckelord

cosmic ray experiments
cosmic rays detectors
neutrino detectors
neutrino experiments

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art (ämneskategori)

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