Published June 15, 2019
| Published + Submitted
Journal Article
Open
Observation of seasonal variation of atmospheric multiple-muon events in the NOvA Near Detector
Chicago
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Abstract
Using two years of data from the NOvA Near Detector at Fermilab, we report a seasonal variation of cosmic ray induced multiple-muon (N_μ ≥ 2) event rates which has an opposite phase to the seasonal variation in the atmospheric temperature. The strength of the seasonal multiple-muon variation is shown to increase as a function of the muon multiplicity. However, no significant dependence of the strength of the seasonal variation of the multiple-muon variation is seen as a function of the muon zenith angle, or the spatial or angular separation between the correlated muons.
Additional Information
© 2019 American Physical Society. Received 29 April 2019; published 28 June 2019. This document was prepared by the NOvA collaboration using the resources of the Fermi National Accelerator Laboratory (Fermilab), a U.S. Department of Energy, Office of Science, HEP User Facility. Fermilab is managed by Fermi Research Alliance, LLC (FRA), acting under Contract No. DE-AC02-07CH11359. This work was supported by the U.S. Department of Energy; the U.S. National Science Foundation; the Department of Science and Technology, India; the European Research Council; the MSMT CR, GA UK, Czech Republic; the RAS, RFBR, Russian Ministry of Education and Science, RSF, and BASIS Foundation, Russia; CNPq and FAPEG, Brazil; STFC, and the Royal Society, United Kingdom; and the state and University of Minnesota. We are grateful for the contributions of the staffs of the University of Minnesota at the Ash River Laboratory and of Fermilab.Attached Files
Published - PhysRevD.99.122004.pdf
Submitted - 1904.12975.pdf
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1904.12975.pdf
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Additional details
- Eprint ID
- 96818
- Resolver ID
- CaltechAUTHORS:20190628-095920053
- Department of Energy (DOE)
- DE-AC02-07CH11359
- NSF
- Department of Science and Technology (India)
- European Research Council (ERC)
- Ministerstvo Školství, Mládeže a Tělovýchovy (Czech Republic)
- Charles University
- Russian Academy of Sciences
- Russian Foundation for Basic Research
- Ministry of Education and Science of the Russian Federation
- Russian Science Foundation
- BASIS Foundation (Russia)
- Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
- Fundação de Amparo à Pesquisa do Estado de Goiás (FAPEFG)
- Science and Technology Facilities Council (STFC)
- Royal Society
- State of Minnesota
- University of Minnesota
- Created
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2019-06-28Created from EPrint's datestamp field
- Updated
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2021-11-16Created from EPrint's last_modified field