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MINOS Document 9924-v17

Observation of Atmospheric Multiple Muon Variation with the MINOS Detectors

Document #:
MINOS-doc-9924-v17
Document type:
Journal Publication
Submitted by:
Jeff DeJong
Updated by:
Maury C Goodman
Document Created:
07 Jun 2013, 00:06
Contents Revised:
14 May 2015, 18:25
Metadata Revised:
14 May 2015, 18:25
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MINOS-doc-9924-v16
01 Apr 2015, 10:24
Abstract:
We present the first observation of seasonal modulations in the rate of multiple muon events using atmospheric muon data collected by the MINOS Near and Far Detectors. The phase of the modulation was found to be dependent on the minimum transverse separation between the tracks in the event. The event rate for multiple muons with large track separations is maximum in the summer, consistent with the expectation of standard seasonal modulations. The event rate for multiple muons with small track separations is maximum in the winter. This difference in phase and lack of correlation indicate that single and multiple-muon events, or more specifically multiple muon events with track separations less than about \unit[6]{m}, are likely produced in different regions of the atmosphere by different primary cosmic ray spectra.\\
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Notes and Changes:
There are a number of tweaks based on comments from the referee. I bet nobody will notice any of them.
Related Documents:
  • MINOS-doc-9872: Measurement of the Atmospheric Muon Variation by Season with the MINOS Near Detector
Referenced by:
  • MINOS-doc-9872: Measurement of the Atmospheric Muon Variation by Season with the MINOS Near Detector
  • MINOS-doc-9957: Blessed Plots for the Multiple Muon Seasonal Variation Paper
Associated with Events:
held on 19 Jun 2013 in Nu's Room (WH 12 XO)
held on 26 Jun 2013 in Nu's Room (WH 12 XO)
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