Prof. Venktesh Singh’s collaborative research with Taiwan lab published in physics journal Physical Review Letters

Neutrinos, which are called "ghostly particles" due to their subtlety and almost invisible properties, are the most common particles in the universe after photons. However, they interact so weakly that detecting them has been a challenge for scientists for many years. India's role in demonstrating scientific power on the international stage, a research paper published recently in the prestigious Physical Review Letters has created a stir in the scientific world. The journal Physical Review Letters is considered equivalent to journals like PNAS, Nature Physics, Cell, JACS. The focus of this study is Neutrino-Nucleus Coherent Scattering (CEνNS).

The research team from Central University of South Bihar (CUSB) led by Prof. Venktesh Singh included Dr. Lakhwinder Singh (Assistant Professor, CUSB) along with scientists from India, Taiwan, Turkey and China. The team includes Prof. Mohammad Deniz (Turkey), Prof. H. T. Wong (TEXONO Lecturer, Taiwan), Dr. Vivek Sharma (HNB Garhwal University, Uttarakhand), Dr. Manoj Kumar Singh, Dr. Li Hau Bin, Dr. Mukesh Kumar Pandey etc. (Institute of Physics, Academia Sinica, Taiwan) and Dr. Manoj Kumar Singh (G.L.A. University, Mathura, Uttar Pradesh).

Indian scientists led by Prof. Venkatesh Singh in collaboration with scientists from Taiwan, China and Turkey carried out the research at Kuo-Sheng Reactor Neutrino Laboratory (KSNL), Taiwan, where a P-type point-contact germanium detector was used. The special thing about the detector is that an electrocool method was used to cool it - which eliminates the need for the use of liquid nitrogen. Through this experiment, an attempt was made to prove that there can be a similar interaction between neutrinos and dark matter. If this happens, a new chapter can be written in the discovery of dark matter. This research can prove to be revolutionary not only in the discovery of dark matter, but also in the study of supernova neutrinos, monitoring of nuclear reactors and exploitation of potential energy sources.

Prof. Venktesh Singh explains that when neutrino and dark matter collide with a nucleus, the signals produced are almost identical. This is why CEνNS is called a 'mimic' of dark matter. If we understand this process better, we can clearly differentiate dark matter and background signals. This research is considered a big step in this direction. Expert opinion Prof. Venkatesh Singh and Dr. Lakhwinder Singh said, "If there was no dark matter, our galaxy would not exist. In such a situation, a deep understanding of CEνNS will help us in identifying dark matter."
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