Journal of Physics Research and Education, Vol. 02

Permanent URI for this collectionhttps://ir.nbu.ac.in/handle/123456789/5172

EDITORIAL NOTE

We are happy to bring out this second volume of the Departmental journal, Journal of Physics Research and Education. We apologize for the inordinate delay in bringing out this volume. We aim to publish a new volume regularly in every year. The goal of JPRE is to have an amalgamating impact for the diversity of the fields of physics research and physics education. The current volume has a distinctive aspect of this nature contributed together by Ph.D. scholars, Post doctoral scholars and Professors. I hope this volume will reflect the current state of interdisciplinary research, insightful reviews and will indicate the usefulness of their material to physics education.

Rajat K. Dey
Editor-in-Chief

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Author: search.filters.author.Basak, AnimeshHas files: Yes

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    Method of estimating the EAS cores of Monte Carlo showers for the GRAPES-3 experiment
    (University of North Bengal, 2024-03) Basak, Animesh
    Procedure of estimating the different extensive air shower (EAS) parameters is inherently linked to the accurate estimation of the cosmic-ray EAS cores. In EAS data analyses, the core of an EAS is estimated simultaneously with other crucial EAS parameters like shower size, shower age, etc. by fitting the lateral density data (LDD) of either the EAS charged secondaries or purely electrons with some suitably chosen lateral density function employing the maximum likelihood method. The present analysis estimates EAS cores using the LDD of electrons that fall on the scattered array detectors from the simulated EASs initiated by proton and iron primaries. Considering a densely packed detector array, including configurations akin to GRAPES-3, the research employs a straightforward weight average method (WAM) for the EAS core estimation. The findings reveal that around 95.5% of simulated showers exhibit EAS cores within a deviation range of approximately 1 m to 3 m from the actual cores of the CORSIKA Monte Carlo showers initiated by proton and iron primaries.