Atmospheric muons: experimental aspects

Cecchini, S.; Spurio, M.

doi:10.5194/gi-1-185-2012

Cited by 49 publications

(49 citation statements)

References 50 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…However, theoretically the hard‐muon sea level intensity can be strongly affected by the geomagnetic field from R C about 1 GV depending on the phase factor and energy loss coefficients chosen. In addition, Allkofer et al (), Kremer et al (), Grieder (), and Cecchini and Spurio () and references therein pointed out that the geomagnetic effect is very important even for low‐energy muons at sea level. They found differences in the spectra and differential and integral intensity of low‐energy muons even when comparing data at lower cutoff rigidity (0.5–1 GV) regions.…”

Section: Final Remarksmentioning

confidence: 99%

Analysis of Cosmic Rays' Atmospheric Effects and Their Relationships to Cutoff Rigidity and Zenith Angle Using Global Muon Detector Network Data

et al. 2019

View full text Add to dashboard Cite

Cosmic rays are charged particles whose flux observed at Earth shows temporal variations related to space weather phenomena and may be an important tool to study them. The cosmic ray intensity recorded with ground-based detectors also shows temporal variations arising from atmospheric variations. In the case of muon detectors, the main atmospheric effects are related to pressure and temperature changes. In this work, we analyze both effects using data recorded by the Global Muon Detector Network, consisting of four multidirectional muon detectors at different locations, in the period between 2007 and 2016. For each Global Muon Detector Network directional channel, we obtain coefficients that describe the pressure and temperature effects. We then analyze how these coefficients can be related to the geomagnetic cutoff rigidity and zenith angle associated with cosmic ray particles observed by each channel. In the pressure effect analysis, we found that the observed barometric coefficients show a very clear logarithmic correlation with the cutoff rigidity divided by the zenith angle cosine. On the other hand, the temperature coefficients show a good logarithmic correlation with the product of the cutoff and zenith angle cosine after adding a term proportional to the sine of geographical latitude of the observation site. This additional term implies that the temperature effect measured in the Northern Hemisphere detectors is stronger than that observed in the Southern Hemisphere. The physical origin of this term and of the good correlations found in this analysis should be studied in detail in future works.

show abstract

Section: Final Remarksmentioning

confidence: 99%

Analysis of Cosmic Rays' Atmospheric Effects and Their Relationships to Cutoff Rigidity and Zenith Angle Using Global Muon Detector Network Data

et al. 2019

View full text Add to dashboard Cite

show abstract

“…The background such searches have to fight with is mainly due to muons of the cosmic radiation [61] and natural radioactivity. For this reason, different large detectors have been installed in underground laboratories.…”

Section: B Direct Searches In the Cosmic Radiationmentioning

confidence: 99%

Status of Searches for Magnetic Monopoles

Patrizii

Spurio

2015

Annu. Rev. Nucl. Part. Sci.

Self Cite

View full text Add to dashboard Cite

The searches for magnetic monopoles (Ms) is a fascinating interdisciplinary field with implications in fundamental theories, in particle physics, astrophysics, and cosmology. The quantum theory of Ms and its consistency with electrodynamics was derived by P.A.M. Dirac. This marked the start of the searches for classical monopoles at every new accelerator, up to the LHC. Magnetic monopoles are required by Grand Unification Theories, but unlike classical monopoles they would be incredibly massive, out of the reach of any conceivable accelerator. Large efforts have been made to search for them in the cosmic radiation as relic particles from the early Universe in the widest range of mass and velocity experimentally accessible.In this paper the status of the searches for classical Ms at accelerators, for GUT, superheavy Ms in the penetrating cosmic radiation and for Intermediate Mass Ms at high altitudes is discussed, with emphasis on the most recent results and future perspectives.

show abstract

“…These can, if energetic enough, experience in turn inelastic interactions with others atoms, or decay into hadrons, photons and leptons. In this scheme, the atmospheric muons (Cecchini and Spurio, 2012) used in tomography are mostly coming from the decays of two kind of hadrons: charged pions and kaons. As pions constitute the most important part of the hadronic component of the showers, and since the charged ones decay almost exclusively into muons, their contribution is dominant.…”

Section: The Physics Of Air Showersmentioning

confidence: 99%

Air shower simulation for background estimation in muon tomography of volcanoes

Béné

Boivin

Busato

et al. 2013

Geosci. Instrum. Method. Data Syst.

View full text Add to dashboard Cite

Abstract.One of the main sources of background for the radiography of volcanoes using atmospheric muons comes from the accidental coincidences produced in the muon telescopes by charged particles belonging to the air shower generated by the primary cosmic ray. In order to quantify this background effect, Monte Carlo simulations of the showers and of the detector are developed by the TOMUVOL collaboration. As a first step, the atmospheric showers were simulated and investigated using two Monte Carlo packages, CORSIKA and GEANT4. We compared the results provided by the two programs for the muonic component of vertical proton-induced showers at three energies: 1, 10 and 100 TeV. We found that the spatial distribution and energy spectrum of the muons were in good agreement for the two codes.

show abstract

Atmospheric muons: experimental aspects

Cited by 49 publications

References 50 publications

Analysis of Cosmic Rays' Atmospheric Effects and Their Relationships to Cutoff Rigidity and Zenith Angle Using Global Muon Detector Network Data

Analysis of Cosmic Rays' Atmospheric Effects and Their Relationships to Cutoff Rigidity and Zenith Angle Using Global Muon Detector Network Data

Status of Searches for Magnetic Monopoles

Air shower simulation for background estimation in muon tomography of volcanoes

Contact Info

Product

Resources

About