Transit of the Sun across constellation Libra and variation of secondary gamma radiation flux in the month of October and November, 2020 at Udaipur, India

Devendra Pareek,Prajesh Purohit

doi:10.17485/ijst/v14i8.263

Abstract

Background: During transit of the Sun across the constellation Libra in the month of October and November 2020 we experimentally observed the variation of secondary gamma radiation flux (SGR) at Udaipur (270 43’ 12.00”N, 750 28’ 48.01” E), India. We interpret such variation of SGR flux on the basis of gravitational lensing effect produced by the Sun and constellation Libra, radiation from constellation and gravitational pull-on background radiation by constellation Libra and Sun. Objective: The study is to observe secondary gamma radiation flux during transit of the Sun across the constellation Libra. Method: For this experimental study we used ground based NaI (Tl) Scintillation detector. Data were collected around time from 17.0 IST to 17.30 IST on date October 27, 28, 29, 30, 31 and November 2, 4, 6, 11, 12, 13, 14, 2020. The detector was pointed towards the Sun in this whole experimental study. Finding: Analyzed data showed significant variation of secondary gamma radiation flux (SGR) in month of October and November. Novelty: Due to transit of the Sun across the constellation Libra on the surface of Earth secondary gamma radiation flux varies. In the Month of October from 27 October to 31 October secondary gamma radiation flux decreases from 240084 to 230424 while in the month of November from November 2 onward dates up to 12 November the secondary radiation flux increases from 234414 to 242816 and then started to decrease on date 13, 14 November 2020. Keywords: Cosmic radiation; solar radiation; secondary gamma radiation; the Sun; Libra constellation; gravitational pull; radiation from constellation; gravitational lensing effect

Highlights

IntroductionCosmic radiation travels at nearly the speed of light and it is compos of about 89% protons, 10% of helium, and about 1% of others heavier elements[1,2,3]
Cosmic radiation (CR) and solar radiation (SR) strikes on atoms of the atmosphere of the Earth produce secondary particles known as secondary radiation[6]
From November 2 the Sun was approaching towards Libra Constellation

Summary

Introduction

Cosmic radiation travels at nearly the speed of light and it is compos of about 89% protons, 10% of helium, and about 1% of others heavier elements[1,2,3]. Muons, neutrinos gamma radiation, electrons and positrons In this way secondary particles shower down through the atmosphere to the Earth’s surface [10]. During transit of the Sun across the constellation Libra in the month of October and November 2020 we experimentally observed the variation of secondary gamma radiation flux (SGR) at Udaipur (270 43’ 12.00” N, 750 28’ 48.01” E), India.

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