Observation of seasonal variations of the flux of high-energy atmospheric neutrinos with IceCube

R. Abbasi (Department of Physics, Loyola University Chicago, Chicago, IL, 60660, USA) ; M. Ackermann (Deutsches Elektronen-Synchrotron DESY, Platanenallee 6, Zeuthen, 15738, Germany) ; J. Adams (Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand) ; S. Agarwalla (Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA; Institute of Physics, Sachivalaya Marg, Sainik School Post, Bhubaneswar, 751005, India) ; N. Aggarwal (Department of Physics, University of Alberta, Edmonton, AB, T6G 2E1, Canada) ; et al. - Show all 396 authors

Atmospheric muon neutrinos are produced by meson decays in cosmic-ray-induced air showers. The flux depends on meteorological quantities such as the air temperature, which affects the density of air. Competition between decay and re-interaction of those mesons in the first particle production generations gives rise to a higher neutrino flux when the air density in the stratosphere is lower, corresponding to a higher temperature. A measurement of a temperature dependence of the atmospheric $$\nu _{\mu }$$ ν μ flux provides a novel method for constraining hadronic interaction models of air showers. It is particularly sensitive to the production of kaons. Studying this temperature dependence for the first time requires a large sample of high-energy neutrinos as well as a detailed understanding of atmospheric properties. We report the significant ( $$> 10 \; \sigma $$ > 10 σ ) observation of a correlation between the rate of more than 260,000 neutrinos, detected by IceCube between 2012 and 2018, and atmospheric temperatures of the stratosphere, measured by the Atmospheric Infrared Sounder (AIRS) instrument aboard NASA’s AQUA satellite. For the observed 10 $$\%$$ % seasonal change of effective atmospheric temperature we measure a 3.5(3) $$\%$$ % change in the muon neutrino flux. This observed correlation deviates by about 2-3 standard deviations from the expected correlation of 4.3 $$\%$$ % as obtained from theoretical predictions under the assumption of various hadronic interaction models.

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        {
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        {
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        {
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    {
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        {
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    {
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    {
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        {
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          "value": "Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe, 76021, Germany", 
          "organization": "Institute for Astroparticle Physics"
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      "given_names": "P.", 
      "full_name": "Koundal, P."
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    {
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        {
          "country": "USA", 
          "value": "Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, PA, 19104, USA", 
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      "given_names": "M.", 
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    {
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        {
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          "value": "Institut f\u00fcr Physik, Humboldt-Universit\u00e4t zu Berlin, Berlin, 12489, Germany", 
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        {
          "country": "Germany", 
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          "value": "Centre for Cosmology, Particle Physics and Phenomenology-CP3, Universit\u00e9 catholique de Louvain, Louvain-la-Neuve, Belgium", 
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        {
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          "value": "Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA", 
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    {
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        {
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          "value": "Deutsches Elektronen-Synchrotron DESY, Platanenallee 6, Zeuthen, 15738, Germany", 
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      "given_names": "A.", 
      "full_name": "Kumar, A."
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    {
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        {
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          "value": "Fakult\u00e4t f\u00fcr Physik & Astronomie, Ruhr-Universit\u00e4t Bochum, Bochum, 44780, Germany", 
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      "given_names": "E.", 
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    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, PA, 19104, USA", 
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      "surname": "Kurahashi", 
      "given_names": "N.", 
      "full_name": "Kurahashi, N."
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    {
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        {
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          "value": "Deutsches Elektronen-Synchrotron DESY, Platanenallee 6, Zeuthen, 15738, Germany", 
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    {
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        {
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          "value": "Deutsches Elektronen-Synchrotron DESY, Platanenallee 6, Zeuthen, 15738, Germany", 
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        {
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          "value": "Centre for Cosmology, Particle Physics and Phenomenology-CP3, Universit\u00e9 catholique de Louvain, Louvain-la-Neuve, Belgium", 
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    {
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        {
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          "value": "Department of Physics, University of Maryland, College Park, MD, 20742, USA", 
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      "full_name": "Larson, M."
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    {
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        {
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          "value": "Department of Physics, University of Wuppertal, Wuppertal, 42119, Germany", 
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      "given_names": "F.", 
      "full_name": "Lauber, F."
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    {
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        {
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          "value": "Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA, 02138, USA", 
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        {
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    {
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        {
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          "value": "Department of Physics, Sungkyunkwan University, Suwon, 16419, Korea", 
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      "given_names": "J.", 
      "full_name": "Lee, J."
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    {
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        {
          "country": "USA", 
          "value": "Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA, 16802, USA", 
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        {
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      "given_names": "K.", 
      "full_name": "Leonard DeHolton, K."
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    {
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        {
          "country": "USA", 
          "value": "Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE, 19716, USA", 
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      "given_names": "A.", 
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    {
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        {
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          "value": "Fakult\u00e4t f\u00fcr Physik & Astronomie, Ruhr-Universit\u00e4t Bochum, Bochum, 44780, Germany", 
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    {
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        {
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          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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      "given_names": "Q.", 
      "full_name": "Liu, Q."
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    {
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        {
          "country": "Canada", 
          "value": "Department of Physics, University of Alberta, Edmonton, AB, T6G 2E1, Canada", 
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      "surname": "Liubarska", 
      "given_names": "M.", 
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    {
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        {
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          "value": "Institute of Physics, University of Mainz, Staudinger Weg 7, Mainz, 55099, Germany", 
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      "given_names": "E.", 
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    {
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        {
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          "value": "Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, PA, 19104, USA", 
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      "surname": "Love", 
      "given_names": "C.", 
      "full_name": "Love, C."
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    {
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        {
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          "value": "Institut f\u00fcr Kernphysik, Westf\u00e4lische Wilhelms-Universit\u00e4t M\u00fcnster, M\u00fcnster, 48149, Germany", 
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      "full_name": "Lozano Mariscal, C."
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    {
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        {
          "country": "USA", 
          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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    {
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        {
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          "value": "D\u00e9partement de physique nucl\u00e9aire et corpusculaire, Universit\u00e9 de Gen\u00e8ve, Gen\u00e8ve, 1211, Switzerland", 
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    {
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        {
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          "value": "Department of Physics and Astronomy, UCLA, Los Angeles, CA, 90095, USA", 
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    {
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        {
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        {
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        {
          "country": "USA", 
          "value": "Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA", 
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    {
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        {
          "country": "USA", 
          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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        {
          "country": "USA", 
          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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        {
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        {
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        {
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    {
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        {
          "country": "USA", 
          "value": "Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL, 35487, USA", 
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      "given_names": "M.", 
      "full_name": "Marsee, M."
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    {
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        {
          "country": "USA", 
          "value": "Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA, 02138, USA", 
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      "given_names": "I.", 
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    {
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        {
          "country": "USA", 
          "value": "Department of Physics, Yale University, New Haven, CT, 06520, USA", 
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      "given_names": "R.", 
      "full_name": "Maruyama, R."
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    {
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        {
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          "value": "Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA", 
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      "surname": "Mayhew", 
      "given_names": "F.", 
      "full_name": "Mayhew, F."
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    {
      "affiliations": [
        {
          "country": "Canada", 
          "value": "Department of Physics, University of Alberta, Edmonton, AB, T6G 2E1, Canada", 
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      "surname": "McElroy", 
      "given_names": "T.", 
      "full_name": "McElroy, T."
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    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "Department of Physics, Mercer University, Macon, GA, 31207-0001, USA", 
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      "surname": "McNally", 
      "given_names": "F.", 
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        {
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          "value": "Niels Bohr Institute, University of Copenhagen, Copenhagen, 2100, Denmark", 
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    {
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        {
          "country": "USA", 
          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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    {
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        {
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    {
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        {
          "country": "USA", 
          "value": "Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH, 43210, USA", 
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      "surname": "Medina", 
      "given_names": "A.", 
      "full_name": "Medina, A."
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    {
      "affiliations": [
        {
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          "value": "Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba, 263-8522, Japan", 
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      "surname": "Meier", 
      "given_names": "M.", 
      "full_name": "Meier, M."
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    {
      "affiliations": [
        {
          "country": "Germany", 
          "value": "Physik-department, Technische Universit\u00e4t M\u00fcnchen, Garching, 85748, Germany", 
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    {
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        {
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          "value": "Vrije Universiteit Brussel (VUB), Dienst ELEM, Brussels, 1050, Belgium", 
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      "surname": "Merckx", 
      "given_names": "Y.", 
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    {
      "affiliations": [
        {
          "country": "Germany", 
          "value": "Fakult\u00e4t f\u00fcr Physik & Astronomie, Ruhr-Universit\u00e4t Bochum, Bochum, 44780, Germany", 
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      "given_names": "L.", 
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    {
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        {
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          "value": "Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA", 
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    {
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        {
          "country": "Belgium", 
          "value": "Universit\u00e9 Libre de Bruxelles, Science Faculty CP230, Brussels, 1050, Belgium", 
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          "value": "D\u00e9partement de physique nucl\u00e9aire et corpusculaire, Universit\u00e9 de Gen\u00e8ve, Gen\u00e8ve, 1211, Switzerland", 
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      "surname": "Montaruli", 
      "given_names": "T.", 
      "full_name": "Montaruli, T."
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    {
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        {
          "country": "Canada", 
          "value": "Department of Physics, University of Alberta, Edmonton, AB, T6G 2E1, Canada", 
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      "surname": "Moore", 
      "given_names": "R.", 
      "full_name": "Moore, R."
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    {
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        {
          "country": "Japan", 
          "value": "Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba, 263-8522, Japan", 
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      "surname": "Morii", 
      "given_names": "Y.", 
      "full_name": "Morii, Y."
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    {
      "affiliations": [
        {
          "country": "USA", 
          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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      "given_names": "R.", 
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    {
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        {
          "country": "USA", 
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    {
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        {
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          "value": "Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe, 76021, Germany", 
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      "given_names": "T.", 
      "full_name": "Mukherjee, T."
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    {
      "affiliations": [
        {
          "country": "Germany", 
          "value": "Deutsches Elektronen-Synchrotron DESY, Platanenallee 6, Zeuthen, 15738, Germany", 
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      "given_names": "R.", 
      "full_name": "Naab, R."
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    {
      "affiliations": [
        {
          "country": "Japan", 
          "value": "Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba, 263-8522, Japan", 
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      "given_names": "R.", 
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    {
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        {
          "country": "USA", 
          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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    {
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        {
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          "value": "Department of Physics, University of Wuppertal, Wuppertal, 42119, Germany", 
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    {
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        {
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          "value": "Institut f\u00fcr Kernphysik, Westf\u00e4lische Wilhelms-Universit\u00e4t M\u00fcnster, M\u00fcnster, 48149, Germany", 
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        {
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          "value": "Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA", 
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    {
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        {
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          "value": "Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA", 
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    {
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        {
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    {
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        {
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          "value": "Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA", 
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    {
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        {
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          "value": "Department of Physics, University of Wuppertal, Wuppertal, 42119, Germany", 
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    {
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        {
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          "value": "Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe, 76021, Germany", 
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        {
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          "value": "Department of Physics and Astronomy, University of Gent, Gent, 9000, Belgium", 
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    {
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        {
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          "value": "Department of Physics, University of Maryland, College Park, MD, 20742, USA", 
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    {
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        {
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          "value": "Physik-department, Technische Universit\u00e4t M\u00fcnchen, Garching, 85748, Germany", 
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    {
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        {
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          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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    {
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        {
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    {
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    {
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        {
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          "value": "Department of Physics, Engineering Physics, and Astronomy, Queen\u2019s University, Kingston, ON, K7L 3N6, Canada", 
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        {
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          "value": "Department of Physics, University of Texas at Arlington, 502 Yates St., Science Hall Rm 108, Arlington, TX, 76019, USA", 
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    {
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        {
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          "value": "Department of Physics, Marquette University, Milwaukee, WI, 53201, USA", 
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        {
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        {
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          "value": "III. Physikalisches Institut, RWTH Aachen University, Aachen, 52056, Germany", 
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        {
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        {
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        {
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          "value": "Physics Department, South Dakota School of Mines and Technology, Rapid City, SD, 57701, USA", 
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        {
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        {
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        {
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        {
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        {
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        {
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        {
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        {
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        {
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        {
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        {
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      "given_names": "C.", 
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        {
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        {
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        {
          "country": "USA", 
          "value": "Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA, 02138, USA", 
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        {
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        {
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      "given_names": "A.", 
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        {
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    {
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        {
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        {
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        {
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          "value": "Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg, Erlangen, 91058, Germany", 
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        {
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          "value": "Institut f\u00fcr Kernphysik, Westf\u00e4lische Wilhelms-Universit\u00e4t M\u00fcnster, M\u00fcnster, 48149, Germany", 
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        {
          "country": "USA", 
          "value": "Department of Physics, University of Maryland, College Park, MD, 20742, USA", 
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    {
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        {
          "country": "Germany", 
          "value": "Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg, Erlangen, 91058, Germany", 
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    {
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        {
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          "value": "Karlsruhe Institute of Technology, Institute for Astroparticle Physics, Karlsruhe, 76021, Germany", 
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        {
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          "value": "Physik-department, Technische Universit\u00e4t M\u00fcnchen, Garching, 85748, Germany", 
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          "value": "III. Physikalisches Institut, RWTH Aachen University, Aachen, 52056, Germany", 
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        {
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          "value": "Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, PA, 19104, USA", 
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        {
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        {
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          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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        {
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          "value": "Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA, 02138, USA", 
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      "given_names": "B.", 
      "full_name": "Skrzypek, B."
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        {
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          "value": "Department of Physics, University of Texas at Arlington, 502 Yates St., Science Hall Rm 108, Arlington, TX, 76019, USA", 
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        {
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          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
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        {
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          "value": "Department of Physics, TU Dortmund University, Dortmund, 44221, Germany", 
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        {
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        {
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        {
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          "value": "Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA", 
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      "full_name": "Stezelberger, T."
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        {
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      "full_name": "Verpoest, S."
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        {
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        {
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          "value": "Department of Physics, University of Texas at Arlington, 502 Yates St., Science Hall Rm 108, Arlington, TX, 76019, USA", 
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        {
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          "value": "Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824, USA", 
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      "full_name": "Weaver, C."
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        {
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        {
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        {
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          "value": "Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg, Erlangen, 91058, Germany", 
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          "value": "Fakult\u00e4t f\u00fcr Physik & Astronomie, Ruhr-Universit\u00e4t Bochum, Bochum, 44780, Germany", 
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      "full_name": "Xu, X."
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          "value": "Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba, 263-8522, Japan", 
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      "full_name": "Yu, S."
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          "value": "Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI, 53706, USA", 
          "organization": "University of Wisconsin-Madison"
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          "value": "Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY, 11794-3800, USA", 
          "organization": "Stony Brook University"
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      "given_names": "Z.", 
      "full_name": "Zhang, Z."
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          "value": "Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA, 02138, USA", 
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      "surname": "Zhelnin", 
      "given_names": "P.", 
      "full_name": "Zhelnin, P."
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  "titles": [
    {
      "source": "Springer", 
      "title": "Observation of seasonal variations of the flux of high-energy atmospheric neutrinos with IceCube"
    }
  ], 
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      "value": "10.1140/epjc/s10052-023-11679-5"
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      "journal_title": "European Physical Journal C", 
      "material": "article", 
      "journal_volume": "83", 
      "artid": "s10052-023-11679-5", 
      "year": 2023, 
      "page_start": "1", 
      "journal_issue": "9"
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    "date": "2023-10-25T18:31:07.137343", 
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    "submission_number": "816eff8e736411eea066664922b6a1d4"
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      "url": "https://creativecommons.org/licenses//by/4.0", 
      "license": "CC-BY-4.0"
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  ], 
  "copyright": [
    {
      "holder": "The Author(s)", 
      "year": "2023"
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  "collections": [
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      "primary": "European Physical Journal C"
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  "abstracts": [
    {
      "source": "Springer", 
      "value": "Atmospheric muon neutrinos are produced by meson decays in cosmic-ray-induced air showers. The flux depends on meteorological quantities such as the air temperature, which affects the density of air. Competition between decay and re-interaction of those mesons in the first particle production generations gives rise to a higher neutrino flux when the air density in the stratosphere is lower, corresponding to a higher temperature. A measurement of a temperature dependence of the atmospheric  $$\\nu _{\\mu }$$  <math> <msub> <mi>\u03bd</mi> <mi>\u03bc</mi> </msub> </math>   flux provides a novel method for constraining hadronic interaction models of air showers. It is particularly sensitive to the production of kaons. Studying this temperature dependence for the first time requires a large sample of high-energy neutrinos as well as a detailed understanding of atmospheric properties. We report the significant ( $$&gt; 10 \\; \\sigma $$  <math> <mrow> <mo>&gt;</mo> <mn>10</mn> <mspace width=\"0.277778em\"></mspace> <mi>\u03c3</mi> </mrow> </math>  ) observation of a correlation between the rate of more than 260,000 neutrinos, detected by IceCube between 2012 and 2018, and atmospheric temperatures of the stratosphere, measured by the Atmospheric Infrared Sounder (AIRS) instrument aboard NASA\u2019s AQUA satellite. For the observed 10 $$\\%$$  <math> <mo>%</mo> </math>   seasonal change of effective atmospheric temperature we measure a 3.5(3) $$\\%$$  <math> <mo>%</mo> </math>   change in the muon neutrino flux. This observed correlation deviates by about 2-3 standard deviations from the expected correlation of 4.3 $$\\%$$  <math> <mo>%</mo> </math>   as obtained from theoretical predictions under the assumption of various hadronic interaction models."
    }
  ], 
  "imprints": [
    {
      "date": "2023-09-04", 
      "publisher": "Springer"
    }
  ]
}
Published on:
04 September 2023
Publisher:
Springer
Published in:
European Physical Journal C , Volume 83 (2023)
Issue 9
Pages 1-16
DOI:
https://doi.org/10.1140/epjc/s10052-023-11679-5
Copyrights:
The Author(s)
Licence:
CC-BY-4.0

Fulltext files: