Search for Astrophysical Neutrinos from 1FLE Blazars with IceCube

被引：9

作者：

Abbasi, R. ^{[1
]}

Ackermann, M. ^{[2
]}

Adams, J. ^{[3
]}

Aguilar, J. A. ^{[4
]}

Ahlers, M. ^{[5
]}

Ahrens, M. ^{[6
,7
]}

Alameddine, J. M. ^{[8
]}

Alves, A. A., Jr. ^{[9
]}

Amin, N. M. ^{[10
,11
]}

Andeen, K. ^{[12
]}

Anderson, T. ^{[13
]}

Anton, G. ^{[14
]}

Arguelles, C. ^{[15
,16
]}

Ashida, Y. ^{[17
,18
]}

Athanasiadou, S. ^{[2
]}

Axani, S. ^{[19
]}

Bai, X. ^{[20
]}

Balagopal, A. ^{[17
,18
]}

Baricevic, M. ^{[17
,18
]}

Barwick, S. W. ^{[21
]}

Basu, V ^{[17
,18
]}

Bay, R. ^{[22
]}

Beatty, J. J. ^{[23
,24
,25
]}

Becker, K-H ^{[26
]}

Tjus, J. Becker ^{[27
]}

Beise, J. ^{[28
]}

Bellenghi, C. ^{[29
]}

Benda, S. ^{[17
,18
]}

BenZvi, S. ^{[30
]}

Berley, D. ^{[31
]}

Bernardini, E. ^{[2
,69
]}

Besson, D. Z. ^{[32
]}

Binder, G. ^{[22
,33
]}

Bindig, D. ^{[26
]}

Blaufuss, E. ^{[31
]}

Blot, S. ^{[2
]}

Bontempo, F. ^{[9
]}

Book, J. Y. ^{[15
,16
]}

Borowka, J. ^{[34
]}

Boeser, S. ^{[35
]}

Botner, O. ^{[28
]}

Boettcher, J. ^{[34
]}

Bourbeau, E. ^{[5
]}

Bradascio, F. ^{[2
]}

Braun, J. ^{[17
,18
]}

Brinson, B. ^{[36
,37
]}

Bron, S. ^{[38
]}

Brostean-Kaiser, J. ^{[2
]}

Burley, R. T. ^{[39
]}

Busse, R. S. ^{[40
]}

机构：

[1] Loyola Univ Chicago, Dept Phys, Chicago, IL 60660 USA

[2] DESY, D-15738 Zeuthen, Germany

[3] Univ Canterbury, Dept Phys & Astron, Private Bag 4800, Christchurch, New Zealand

[4] Univ Libre Bruxelles, Sci Fac, CP230, B-1050 Brussels, Belgium

[5] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[6] Stockholm Univ, Oskar Klein Ctr, SE-10691 Stockholm, Sweden

[7] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden

[8] TU Dortmund Univ, Dept Phys, D-44221 Dortmund, Germany

[9] Karlsruhe Inst Technol, Inst Astroparticle Phys, D-76021 Karlsruhe, Germany

[10] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA

[11] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA

[12] Marquette Univ, Dept Phys, Milwaukee, WI 53201 USA

[13] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[14] Friedrich Alexander Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, D-91058 Erlangen, Germany

[15] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[16] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA USA

[17] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

[18] Univ Wisconsin, Wisconsin IceCube Particle Astrophys Ctr, Madison, WI 53706 USA

[19] MIT, Dept Phys, Cambridge, MA 02139 USA

[20] South Dakota Sch Mines & Technol, Phys Dept, Rapid City, SD 57701 USA

[21] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[22] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[23] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA

[24] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[25] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA

[26] Univ Wuppertal, Dept Phys, D-42119 Wuppertal, Germany

[27] Ruhr Univ Bochum, Fak Phys & Astron, D-44780 Bochum, Germany

[28] Uppsala Univ, Dept Phys & Astron, Box 516, SE-75120 Uppsala, Sweden

[29] Tech Univ Munich, Phys Dept, D-85748 Garching, Germany

[30] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA

[31] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[32] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA

[33] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[34] Rhein Westfal TH Aachen, Phys Inst 3, D-52056 Aachen, Germany

[35] Johannes Gutenberg Univ Mainz, Inst Phys, Staudinger Weg 7, D-55099 Mainz, Germany

[36] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA

[37] Georgia Inst Technol, Ctr Relativist Astrophys, Atlanta, GA 30332 USA

[38] Univ Geneva, Dept Phys Nucl & Corpusculaire, CH-1211 Geneva, Switzerland

[39] Univ Adelaide, Dept Phys, Adelaide, SA 5005, Australia

[40] Westfalische Wilhelms Univ Munster, Inst Kernphys, D-48149 Munster, Germany

[41] Drexel Univ, Dept Phys, 3141 Chestnut St, Philadelphia, PA 19104 USA

[42] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA

[43] Sungkyunkwan Univ, Dept Phys, Suwon 16419, South Korea

[44] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[45] Vrije Univ Brussel VUB, Dienst ELEM, B-1050 Brussels, Belgium

[46] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA

[47] Univ Alabama, Dept Phys & Astron, Tuscaloosa, AL 35487 USA

[48] Catholic Univ Louvain, Ctr Cosmol Particle Phys & Phenomenol CP3, Louvain La Neuve, Belgium

[49] Karlsruhe Inst Technol, Inst Expt Particle Phys, D-76021 Karlsruhe, Germany

[50] Southern Univ, Dept Phys, Baton Rouge, LA 70813 USA

来源：

ASTROPHYSICAL JOURNAL | 2022年 / 938卷 / 01期

基金：

新加坡国家研究基金会; 瑞典研究理事会; 美国国家科学基金会; 瑞士国家科学基金会; 加拿大创新基金会; 澳大利亚研究理事会; 加拿大自然科学与工程研究理事会;

关键词：

Particle astrophysics; High energy astrophysics; Cosmic ray sources; LARGE-AREA TELESCOPE; EMISSION; CATALOG; FLUX;

D O I：

10.3847/1538-4357/ac8de4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The origin of astrophysical neutrinos has yet to be determined. The IceCube Neutrino Observatory has observed astrophysical neutrinos but has not yet identified their sources. Blazars are promising source candidates, but previous searches for neutrino emission from populations of blazars detected in >= GeV gamma-rays have not observed any significant neutrino excess. Recent findings in multi-messenger astronomy indicate that high-energy photons, co-produced with high-energy neutrinos, are likely to be absorbed and reemitted at lower energies. Thus, lower-energy photons may be better indicators of TeV-PeV neutrino production. This paper presents the first time-integrated stacking search for astrophysical neutrino emission from MeV-detected blazars in the first Fermi-LAT low energy catalog (1FLE) using ten years of IceCube muon-neutrino data. The results of this analysis are found to be consistent with a background-only hypothesis. Assuming an E-2 neutrino spectrum and proportionality between the blazars' MeV gamma-ray fluxes and TeV-PeV neutrino flux, the upper limit on the 1FLE blazar energy-scaled neutrino flux is determined to be 1.64 x 10(-12) TeV cm(-2) s(-1) at 90% confidence level. This upper limit is approximately 1% of IceCube's diffuse muon-neutrino flux measurement.

引用

页数：11

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