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Proton Penetration Efficiency over a High Altitude Observatory in Mexico

by S. Miyake, T. Koi, Y. Muraki, Y. Matsubara, S. Masuda, E. Miranda, T. Naito, E. Ortiz, A. Oshima, T. Sako, S. Shibata, H. Takamaru, M. Tokumaru, and Jose Valdes-Galicia

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Submission summary

Authors (as registered SciPost users): Yasushi Muraki
Submission information
Preprint Link: scipost_202207_00031v1  (pdf)
Date accepted: 2022-08-23
Date submitted: 2022-07-18 14:46
Submitted by: Muraki, Yasushi
Submitted to: SciPost Physics Proceedings
Proceedings issue: 21st International Symposium on Very High Energy Cosmic Ray Interactions (ISVHECRI2022)
Ontological classification
Academic field: Physics
  • High-Energy Physics - Experiment
Approach: Experimental


In association with a large solar flare on November 7, 2004, the solar neutron detectors located at Mt. Chacaltaya (5,250 m) in Bolivia and Mt. Sierra Negra (4,600 m) in Mexico recorded very interesting events. In order to explain these events, we have performed a calculation solving the equation of motion of anti-protons inside the magnetosphere. Based on these results, the Mt. Chacaltaya event may be explained by the detection of solar neutrons, while the Mt. Sierra Negra event may be explained by the first detection of very high energy solar neutron decay protons (SNDPs) around 6 GeV.

Published as SciPost Phys. Proc. 13, 001 (2023)

Reports on this Submission

Anonymous Report 1 on 2022-8-13 (Invited Report)

  • Cite as: Anonymous, Report on arXiv:scipost_202207_00031v1, delivered 2022-08-13, doi: 10.21468/SciPost.Report.5530


1. The paper is of scientific interest
2. The paper is engagingly written.
3. The authors are highly experienced in the field.


No significant weaknesses.


The paper easily meets the standard required for publication.

Requested changes

1. On page 4, three lines from the bottom, the authors need to change capital "B" to lower case "b".

  • validity: high
  • significance: high
  • originality: top
  • clarity: high
  • formatting: perfect
  • grammar: good

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