Muon puzzle in cosmic ray experiments and its possible solution

Петрухин, А. А.

doi:10.1016/j.nima.2013.12.011

Cited by 52 publications

(25 citation statements)

References 10 publications

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“…The set of the listed results on the study of both the muon component of the EAS and single muons of cosmic rays is the so-called "muon puzzle" [20]. Obviously, in the frame of existing models of cosmic ray origin and their interaction it is impossible to find a solution of this muon puzzle, and introduction of a new model of interaction is required.…”

Section: Epj Web Of Conferencesmentioning

confidence: 99%

Nucleus-nucleus interactions in very-high-energy cosmic ray experiments

Петрухин

Bogdanov

2017

EPJ Web Conf.

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Abstract.A review of unusual results of experiments in cosmic rays which cannot be explained in the frame of the existing models of hadron interactions is presented. Requirements to features of a new model which are necessary for explanation of all observed unusual events and phenomena are formulated. A model of hadron interactions with production of QGM blobs with large orbital momentum is considered. Its possibilities for explanation of various unusual events and phenomena are discussed.

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Section: Epj Web Of Conferencesmentioning

confidence: 99%

Nucleus-nucleus interactions in very-high-energy cosmic ray experiments

Петрухин

Bogdanov

2017

EPJ Web Conf.

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“…A key to the solution of this problem may be found by investigating the energy characteristics of the muon component of EAS and their variations with primary energy [7]. A possible approach to such investigations is the measurement of the energy deposit of muon bundles in the detector material.…”

Section: Introductionmentioning

confidence: 99%

Measurements of the energy deposit of multi-muon events in the Cherenkov water calorimeter

et al. 2017

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Abstract.To solve the problem of the excess of multi-muon events observed in several cosmic ray experiments at ultra-high energies (so-called "muon puzzle"), an analysis of the energy characteristics of the muon component of extensive air showers (EAS) is required. A possible approach to such investigations is the measurement of the energy deposit of muon bundles in the detector, which provides information on the mean muon energy. In the experiment now being conducted at the NEVOD-DECOR complex, the local muon density and EAS arrival direction are determined according to the data of the coordinate-tracking detector DECOR, whereas the energy deposit is measured by means of the Cherenkov water calorimeter NEVOD. Results of the measurements of the energy deposit of inclined muon bundles based on the data accumulated during more than 23,200 h observations in 2012 -2016 are presented and compared with simulations performed by means of the CORSIKA code.

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“…It is naturally to assume that for explanation of the observed excess of multi-muon events the existing models of the development of the nuclear cascade in the atmosphere need a revision. A key to the solution of this problem may give investigations of the energy characteristics of the muon component of EAS and their variations with the primary energy [7]. A possible approach to such investigations is the measurement of the energy deposit of muon bundles in the detector material.…”

Section: Introductionmentioning

confidence: 99%

Energy deposit of muon bundles detected at various zenith angles in the Cherenkov water calorimeter

Кокоулин¹,

Barbashina²,

Bogdanov³

et al. 2017

Proceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017)

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In order to solve the problem of the excess of multi-muon events observed in several cosmic ray experiments at ultra-high energies (so-called 'muon puzzle'), investigations of the energy characteristics of the muon component of extensive air showers (EAS) are required. A possible approach to such investigations is the measurement of the energy deposit of muon bundles in the detector, which provides information on the mean muon energy. In the experiment being now conducted at the NEVOD-DECOR complex, the local muon density and EAS arrival direction are determined according to the data of the coordinate-tracking detector DECOR, whereas the energy deposit is measured by means of the Cherenkov water calorimeter NEWOD. Simultaneous detection of muon bundles in a wide range of zenith angles and muon multiplicities ensures exploration of primary particle energy region of 10 16 -10 18 eV and even higher. Results of the measurements of the energy deposit of the inclined muon bundles at various zenith angles based on the data accumulated during more than 29,000 h observations over the period from May 2012 to February 2017 are presented and compared with simulations performed by means of the CORSIKA program.

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Muon puzzle in cosmic ray experiments and its possible solution

Cited by 52 publications

References 10 publications

Nucleus-nucleus interactions in very-high-energy cosmic ray experiments

Nucleus-nucleus interactions in very-high-energy cosmic ray experiments

Measurements of the energy deposit of multi-muon events in the Cherenkov water calorimeter

Energy deposit of muon bundles detected at various zenith angles in the Cherenkov water calorimeter

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