Workshop on Gamma Ray Spectrometry
The Physics Department of DAV College, Jalandhar, organised an invited talk on the topic “Gamma Ray Spectrometry” to provide students and faculty with deeper insights into advanced radiation detection techniques under DBT (Department of Biotechnology) grant from the government. The resource person for the event was Prof. Rohit Mehra, Department of Physics, NIT Jalandhar.
The session began with the recitation of the DAV anthem. Dr. Shivani (Incharge, Physics Association) welcomed the resource person, Principal Dr. Rajesh Kumar, Vice Principal and HoD, Department of Physics, Dr. Kunwer Rajeev, DBT Coordinator Dr. Sharanjit Sandhu, Dean Academic Dr. Navjeet Sharma, all faculty members of the Physics Department and students. Prof. Kunwer Rajeev and the Principal accorded a floral welcome to Prof. Mehra. Afterwards, Dr. Kunwer Rajeev introduced the speaker to the audience. Afterwards, Principal Dr. Rajesh Kumar addressed the students and welcomed our special guest. Sir also discussed the topic of radiation, highlighting its types, effects, and significance in science.
Prof. Mehra began his lecture with an overview of gamma rays, their origin, and significance in various fields such as nuclear physics, environmental studies, material science, and medical imaging. He elaborated on the principles of gamma ray spectrometry, highlighting how it measures the energy and intensity of gamma-ray emissions from radioactive sources.
He explained the working of a gamma ray spectrometer, discussing components such as scintillation detectors, semiconductor detectors (like HPGe), and associated electronics. Prof. Mehra emphasised the importance of detector calibration, energy resolution, and spectrum analysis in obtaining accurate results. The talk also addressed challenges in gamma spectrometry, including background radiation interference and the necessity of proper shielding.
Following the lecture, all students and faculty members visited the Central Research Facility Laboratory, where Prof. Mehra demonstrated the use of radioactive sources, explained how they are prepared, and discussed their effects on human health. He also showcased the detection of elements such as uranium, chlorine, and radon in soil through live gamma spectrometry measurements, displaying real-time spectra.
Prof. Mehra’s expertise, live demonstrations, and practical insights provided the audience with a stronger understanding of gamma ray spectrometry and its scientific as well as societal relevance.
