Detailed comparison of the SENECA and CORSIKA shower simulation packages

Jeff Allen, Glennys R. Farrar

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The SENECA extensive air shower simulation program uses a hybrid simulation method, combining cascade equations and full Monte Carlo simulation. By using cascade equations in the high energy regime, where the shower is one dimensional, and full Monte Carlo at energies below which the shower begins to become three dimensional, SENECA produces air shower simulations quickly and accurately. In this study, we compare SENECA and CORSIKA in a detailed manner, for simulated showers with identical first interactions, so that they can be compared on an event-by-event basis.We compare the final longitudinal profile, lateral distribution function, energy distribution of ground particles, and the propagation of particles in the atmosphere predicted by SENECA and CORSIKA. We find that CORSIKA and SENECA are in agreement within the current statistical uncertainties arising from the size and thinning level of our library, which will be improved for the presentation at ICRC.

    Original languageEnglish (US)
    Title of host publication31st International Cosmic Ray Conference, ICRC 2009
    PublisherUniversity of Lodz
    StatePublished - 2009
    Event31st International Cosmic Ray Conference, ICRC 2009 - Lodz, Poland
    Duration: Jul 7 2009Jul 15 2009

    Other

    Other31st International Cosmic Ray Conference, ICRC 2009
    CountryPoland
    CityLodz
    Period7/7/097/15/09

    Fingerprint

    showers
    cosmic ray showers
    cascades
    simulation
    energy distribution
    distribution functions
    atmospheres
    propagation
    energy
    profiles
    interactions

    Keywords

    • Airshowers
    • SENECA
    • Simulations

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Allen, J., & Farrar, G. R. (2009). Detailed comparison of the SENECA and CORSIKA shower simulation packages. In 31st International Cosmic Ray Conference, ICRC 2009 University of Lodz.

    Detailed comparison of the SENECA and CORSIKA shower simulation packages. / Allen, Jeff; Farrar, Glennys R.

    31st International Cosmic Ray Conference, ICRC 2009. University of Lodz, 2009.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Allen, J & Farrar, GR 2009, Detailed comparison of the SENECA and CORSIKA shower simulation packages. in 31st International Cosmic Ray Conference, ICRC 2009. University of Lodz, 31st International Cosmic Ray Conference, ICRC 2009, Lodz, Poland, 7/7/09.
    Allen J, Farrar GR. Detailed comparison of the SENECA and CORSIKA shower simulation packages. In 31st International Cosmic Ray Conference, ICRC 2009. University of Lodz. 2009
    Allen, Jeff ; Farrar, Glennys R. / Detailed comparison of the SENECA and CORSIKA shower simulation packages. 31st International Cosmic Ray Conference, ICRC 2009. University of Lodz, 2009.
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    AB - The SENECA extensive air shower simulation program uses a hybrid simulation method, combining cascade equations and full Monte Carlo simulation. By using cascade equations in the high energy regime, where the shower is one dimensional, and full Monte Carlo at energies below which the shower begins to become three dimensional, SENECA produces air shower simulations quickly and accurately. In this study, we compare SENECA and CORSIKA in a detailed manner, for simulated showers with identical first interactions, so that they can be compared on an event-by-event basis.We compare the final longitudinal profile, lateral distribution function, energy distribution of ground particles, and the propagation of particles in the atmosphere predicted by SENECA and CORSIKA. We find that CORSIKA and SENECA are in agreement within the current statistical uncertainties arising from the size and thinning level of our library, which will be improved for the presentation at ICRC.

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