Chemical Physics Letters 695 (2018) 94–98 Contents lists available at ScienceDirect Chemical Physics Letters journal homepage: www.elsevier.com/locate/cplett Research paper Determination of effective atomic number of composite materials using backscattered gamma photons – A novel method M.M. Hosamani, N.M. Badiger Department of Studies in Physics, Karnatak University, Dharwad 580003, India ar ti c l e i nf o ab stra ct Article history: The effective atomic number (Z ) of composite materials has been determined by measuring the eff Received 4 October 2017 backscattered gamma photons at 180. A 661.6 keV gamma photons from Cs radioactive source are In ﬁnal form 6 February 2018 allowed to scatter at an angle of 180 from the sample. The backscattered photons at 180 from the sam- Available online 7 February 2018 ple are detected with ‘‘2 2 NaI(Tl) scintillation gamma ray spectrometer coupled to 16 K Multi Channel Analyzer (MCA). It is observed experimentally that the intensity of backscattered photons increases ini- Keywords: tially with increasing the thickness of the target and then it becomes saturated above a certain thickness. Effective atomic number By knowing the saturated thickness values for known atomic number of the elemental targets, the Z of eff Backscattered
Chemical Physics Letters – Elsevier
Published: Mar 1, 2018
It’s your single place to instantly
discover and read the research
that matters to you.
Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.
All for just $49/month
Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.
Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.
It’s easy to organize your research with our built-in tools.
Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.
All the latest content is available, no embargo periods.
“Hi guys, I cannot tell you how much I love this resource. Incredible. I really believe you've hit the nail on the head with this site in regards to solving the research-purchase issue.”Daniel C.
“Whoa! It’s like Spotify but for academic articles.”@Phil_Robichaud
“I must say, @deepdyve is a fabulous solution to the independent researcher's problem of #access to #information.”@deepthiw
“My last article couldn't be possible without the platform @deepdyve that makes journal papers cheaper.”@JoseServera