2023Sci...382..903T

Query : 2023Sci...382..903T

2023Sci...382..903T - Science, 382, 903-907 (2023/November-0)

An extremely energetic cosmic ray observed by a surface detector array.

TELESCOPE ARRAY COLLABORATION, ABBASI R.U., ALLEN M.G., ARIMURA R., BELZ J.W., BERGMAN D.R., BLAKE S.A., SHIN B.K., BUCKLAND I.J., CHEON B.G., FUJII T., FUJISUE K., FUJITA K., FUKUSHIMA M., FURLICH G.D., GERBER Z.R., GLOBUS N., HIBINO K., HIGUCHI R., HONDA K., IKEDA D., ITO H., IWASAKI A., JEONG S., JEONG H.M., JUI C.H., KADOTA K., KAKIMOTO F., KALASHEV O.E., KASAHARA K., KAWATA K., KHARUK I., KIDO E., KIM S.W., KIM H.B., KIM J.H., KIM J.H., KOMAE I., KUBOTA Y., KUZNETSOV M.Y., LEE K.H., LUBSANDORZHIEV B.K., LUNDQUIST J.P., MATTHEWS J.N., NAGATAKI S., NAKAMURA T., NAKAZAWA A., NONAKA T., OGIO S., ONO M., OSHIMA H., PARK I.H., POTTS M., PSHIRKOV S., REMINGTON J.R., RODRIGUEZ D.C., ROTT C., RUBTSOV G.I., RYU D., SAGAWA H., SAKAKI N., SAKO T., SAKURAI N., SHIN H., SMITH J.D., SOKOLSKY P., STOKES B.T., STROMAN T.S., TAKAHASHI K., TAKEDA M., TAKETA A., TAMEDA Y., THOMAS S., THOMSON G.B., TINYAKOV P.G., TKACHEV I., TOMIDA T., TROITSKY S.V., TSUNESADA Y., UDO S., URBAN F.R., WONG T., YAMAZAKI K., YUMA Y., ZHEZHER Y.V. and ZUNDEL Z.

Abstract (from CDS):

Cosmic rays are energetic charged particles from extraterrestrial sources, with the highest-energy events thought to come from extragalactic sources. Their arrival is infrequent, so detection requires instruments with large collecting areas. In this work, we report the detection of an extremely energetic particle recorded by the surface detector array of the Telescope Array experiment. We calculate the particle's energy as 244±29 stat. -76+51syst. exa-electron volts (∼40 joules). Its arrival direction points back to a void in the large-scale structure of the Universe. Possible explanations include a large deflection by the foreground magnetic field, an unidentified source in the local extragalactic neighborhood, or an incomplete knowledge of particle physics.

Abstract Copyright: © 2023 American Association for the Advancement of Science. All rights reserved. AAAS is a partner of HINARI, AGORA, OARE, CHORUS, CLOCKSS, CrossRef and COUNTER.

Journal keyword(s):

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 QSO B1717+178 BLL 17 19 13.04848035 +17 45 06.4371847   20.10 19.1 17.28   ~ 247 1
2 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
3 NAME Local Void vid 18 38 +18.0           ~ 234 0
4 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2661 2
5 NAME Local Group GrG ~ ~           ~ 9325 0

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