Regular Article

Electron emission in ionization of adenine molecule induced by 5 MeV/u bare C ions^★

¹ Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, 1 Homi Bhabha Rd., Colaba 400005, Mumbai, India
² Instituto de Fisica Rosario (CONICET-UNR), Universidad Nacional de Rosario, 2000 Rosario, Argentina

^a e-mail: lokesh@tifr.res.in

Received: 12 March 2020
Received in final form: 27 May 2020
Published online: 4 August 2020

Abstract

The double differential cross sections (DDCS) of electron emission in ionization of adenine molecule (C₅H₅N₅) induced by 5 MeV/u bare C ions are measured using the electron spectroscopy technique. Emission of electrons from adenine is measured in the energy range from 20 eV to 460 eV and in the angular range from 20° to 160°. The single differential cross sections (SDCS) and total ionization cross section (TCS) are deduced from the e-DDCS. The experimental results are compared with the prior form of the continuum distorted wave- eikonal initial state (CDW-EIS) model prediction. Overall, a very good agreement between the theory and experiment is observed.