1.
Bhatia AK. Excitation of (1s2s) 1S, the Singlet State of Helium Atoms by Positron Impact. Jour. Atomic Mole. Conden. Nano Phys [Internet]. 2025 Oct. 26 [cited 2025 Oct. 26];12(1). Available from: https://www.journals.rgnpublications.com/index.php/jamcnp/article/view/3180