Radiation Physics Lab, Department of Physics CUI, Islamabad located in Physics Academic Block offers characterization facilities uniquely available only in CUI. The Lab is equipped with detectors used for radiation detection and related measurements. Natural radioactivity measurements are carried out in different aspects with a pronounced focus on Radon measurements. The Lab houses versatile detectors including:

• GM counter; NaI(Tl) detector for Gamma Spectroscopy
• Surface Barrier Detector for alpha measurements
• Gamma Spectroscopy with HPGe (High Purity Germanium Detector and SSNTD (Solid State Nuclear Track Detector). Neutron Activation Analysis using Am-Be mix source.
• Radon Measurements equipment, CR-39 SSNTD detectors and RAD 7 both Passive and Active techniques for measurements
• Air Sampler for monitoring natural activity in air and air quality

Collaboration:

The Lab has collaboration with PNRA (Pakistan Nuclear Regulatory Authority) SHIFA Hospital, NORI Hospital, PINSTECH and relevant institutions at national level.

Area of Research

• Natural Radioactivity Monitoring: Radiation measurements
• Radon Measurements, Neutron Activation Analysis experiments
• Active sources are also available for calibrations of detectors.
• Medical Physics (Dosimetry)
• Elemental Analysis (PiXE) (NAA) (RBS)

Laboratory In charge and Staff

• Hannan Younus Associate Professor (LAB In charge)
• Usman Ali (Lab Assistant)
• Dil Afsir (Lab Attendant)

Research activities at Undergraduate and graduate level:

Research students (enrolled) MS Students

• Ayesha Sajid
• Nooral Hudda Abbasi
• Roya Feroz
• Moavia Anjam
• Huma Shabbir
• Iqra Zamir
• Anum Ishfaq

Undergraduate students (enrolled)

• Sidra
• Fajir Menhas
• Hamayal

Journal Publications

1. Ajaz, K.H.Khan, H.Younis and A.Zaman STUDY OF SOME CHARACTERISTICS OF PROTONS USING INTERACTIONS OF LIGHT NUCLEI , “ Modern Physics Letters” A, Vol. 28, No. 37, (Nov 13, 2013)http://www.worldscientific.com/doi/abs/10.1142/S021773231350177

2. H Younis, F Balestra and F Iazzi. Paper Title: “Characteristic study of the internal target for the Double Hypernuclei physics at ” Published in Journal of Instrumentation, Volume 9, April 2014

http://iopscience.iop.org/article/10.1088/1748-0221/9/04/P04012/meta

3. Authors: H Younis, F Balestra and F Iazzi. Paper Title: Project of an internal target for the antiproton ring at FAIR” published in Journal of Radioanalytical Nuclear Chemistry (2014) 299:951–954 DOI 1007/s10967-013-2639-z ; Impact Factor 1.0

https://link.springer.com/article/10.1007/s10967-013-2639-z

4. Rescigno et al H.Younis “Performance of the reconstruction algorithms of the FIRST experiment pixel sensor vertex Detector” Published in Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 767, 11 December 2014, Pages 34-40.

https://www.sciencedirect.com/science/article/pii/S0168900214009528

5. Authors, Ajaz, H.Younis,K.Hussain and Zafar Wazir Paper titled” Average characteristics of π- -mesons in He-C and C-C interactions at high energies” Published in International Journal of Modern Physics E, Issue 03, Volume 25, March 2016 https://www.worldscientific.com/doi/10.1142/S0218301316500191
6. Authors: M.Ajaz, H.Younis,K.Hussain , Paper titled: ”The study of light nuclei production in different interactions at 4.2 AGeV/c.” Published in Canadian Journal of Physics, Canadian Journal of Physics, 2016, 94(7): 693-696, 1139/cjp-2015-0675 http://www.nrcresearchpress.com/doi/abs/10.1139/cjp-2015-0675#.WO4b4FN95o4
7. Authors M.Toppi, H.Younis et al. Paper Titled “Measurement of fragmentation cross sections of ¹²C ions on a thin gold target with the FIRST apparatus” Published in PHYSICAL REVIEW C 93, 064601 (2016) https://journals.aps.org/prc/pdf/10.1103/PhysRevC.93.064601

8. Younis et al. Title: “THERMAL NEUTRON FLUX DISTRIBUTION IN A SMALL VOLUME CYLINDRICAL WATER TANK.” Published in Georgian Electronic Scientific Journals Physics, ISSN 1512-1461, 12-12-2016:

http://gesj.internet-academy.org.ge/en/list_artic_en.php?b_sec=phys&issue=2016-06

9. Authors: A.A. Qureshi, S.Manzoor and H.Younis , ASSESSMENT OF RADIATION DOSE A EXCESSIVE LIFE-TIME CANCER RISK FROM THE BUNAIR GRANITE, NORTHERN PAKISTAN “Radiation Protection Dosimetry”,(2017) https://doi.org/10.1093/rpd/ncx095,

10. Younis et al“Production of a thin diamond target by LASER for nuclear reactions inside stora Journal of Radioanalytical and Nuclear Chemistry volume 305, pages737–742(2015) https://link.springer.com/article/10.1007/s10967-015-4111-8
11. Ajaz, S.Ullah and H.Younis, Comparison of hadron production models for π±, k±, prot antiprotons production in proton–carbon interactions at 60 GeV/c. “Modern Physics Letters Volume 33, Issue 06, 28 February 2018 https://inspirehep.net/literature/1662905
12. Sohail Ahmad, Muhammad Ajaz, Hannan Younis et , “Measurement of Indoor

Radon Concentration In District Mardan, Khyber Pakhtunkhwa, Pakistan”, Nuclear Ph Atomic Energy”. Vol. 19 No. 2 pp 190-195 August 2018 http://jnpae.kinr.kiev.ua/19.2/html/19.2.0

13. Younis; Qureshi, Aziz Ahmed; Manzoor, Shahid; Anees, Muhammad, “Measurement Rad in the Granites of Pakistan A Review”. Journal of Health Physics: - Volume 115 - Issue 6 - p 760 10.1097/HP.0000000000000917, December https://journals.lww.com/healthphysics/Abstract/2018/12000/Measurement_of_Radioactivity_in_ nites_of.21.aspx
14. Ajaz, R. Khan M. Bilal Y. Ali G. Khan H. Younis K. H. Khan Z. Wazir A. Zaman and A. Khan “Models prediction of particles ratio in pp collisions at √s = 900 GeV” Indian J. Phys. (2019) https://doi.org/10.1007/s12648-019-01504-9

15. Ali, S. Ullah, M. Ajaz, Q. Ali and H. Younis “Study of Hadrons Produced in Proton–Carbon Interactions at

120 GeV/c Using Hadron-Production Models” Phys. Atom. Nucl. 82 (2019) 291–298. https://link.springer.com/article/10.1134/S1063778819030037 Impact factor: 0.5

16. Ullah, M. Ajaz, Z. Wazir, Y. Ali, K. H. Khan & H. Younis “Hadron production model’s predictionfor pT distribution of charged hadrons in pp interactions at 7 TeV. Published in Scientific Reports Nature Research

Sci.Rep. 9 (2019) no.1, 11811 DOI: 10.1038/s41598-019-48272-4. (2019).

https://www.nature.com/articles/s41598-019-48272-4.pdf

17. Khan, M. Ajaz, Y. Ali, H. Younis, “Model Predictions of Charged-Particle Azimuthal Distributions and Forward-Backward Correlations in p-p Interactions at Ös = 900 GeV” , Commun. Theor. Phys. 71 (2019) 1172–1178 Vol. 71, No. 10, October 1, 2019 DOI: 10.1088/0253- 6102/71/10/1172

https://iopscience.iop.org/article/10.1088/0253-6102/71/10/1172

18. Authors, H.Younis et al; “Measurement of Indoor Radon Concentration in the Hunza Valley of Karakoram Ranges Northern Pakistan", publication in Iranian Journal of Science and Technology, Transactions A Science”

Published: 26 June 2020, Impact factor, 1.1 https://link.springer.com/article/10.1007/s40995-020-00904

5#:~:text=Indoor%20radon%20measurements%20were%20carried,%2C%20Murtazabad%2C%20Ka rimabad%20and%20Aliabad.

19. Authors, M. Ajaz, H.Younis et al “Study of p_{T}pT spectra of light particles using modified Hagedorn function and cosmic rays Monte Carlo event generators in proton–proton collisions at \sqrt{s}s = 900 GeV Published in The European Physical Journal Plus , 22 December 2021

https://link.springer.com/article/10.1140/epjp/s13360-021-02271-5

20. Authors: M.Ajaz, Zafar Wazir & H,Younis et al. Centrality dependence of PT distributions and nuclear modification factor of charged particles in Pb–Pb interactions at SNN=2.76 TeV, “Results in Physics” Volume 30, November 2021, 104790,

https://www.sciencedirect.com/science/article/pii/S2211379721008470

21. Authors; Younis et al: “Study of Radioactivity in Bajaur Norite Exposed in the Himalayan Tectonic Zone of Northern Pakistan” Published in Journal of atmosphere , Published: 22 October 2021

https://www.mdpi.com/2073-4433/12/11/1385

22. Authors: Mehboob and H.Younis et al: “Radioactivity and Radiation Hazard Indices Assessment for Phosphate Rock Samples from Al-Jalamid, Turaif, Umm Wu’al, and As-Sanam, Saudi Arabia” Published in Arabian Journal for Science and Engineering, Published: 11 September 2020

https://link.springer.com/article/10.1007/s13369-020-04929-1

23. Authors: Mehboob and H.Younis et al, “Analysis of Doppler reactivity of SMART reactor core for hybrid fuel configurations of UO2, MOX and (Th/U)O2 using OpenMC” Publish in journal Kerntechnik, Publish June 18, 2021 https://www.degruyter.com/document/doi/10.1515/kern-2020- 0063/html

24. Authors : Younis et al, “Determination of Radioactivity Levels in the Virgin and Fertilized Soil Samples of Rawalpindi District, Pakistan”, Published in journal, Iranian Journal of Science and Technology, Transactions A: Science Publish date: Published: 27 February 2021,

https://link.springer.com/article/10.1007/s40995-021-01064-w

25. Authors: H.Younis et al, “Study of Radioactivity in Bajaur Norite Exposed in the Himalayan Tectonic Zone of Northern Pakistan” Published in Atmosphere 2021, 12(11), 1385; https://doi.org/10.3390/atmos12111385

https://www.mdpi.com/2073-4433/12/11/1385

26. Yahya Al-Zahrani and H.Younis et al, “Analysis of SMART reactor core with uranium mononitride for prolonged fuel cycle using OpenMC” Published in journal Kerntechnik

https://www.degruyter.com/document/doi/10.1515/kern-2021-1000/html

27. Ajaz H.Younis et al “Study of pT spectra of light particles using modified Hagedorn function and cosmic rays Monte Carlo event generators in proton–proton collisions at s√ = 900 GeV” The European Physical Journal Plus volume 137, Article number: 52 (2022)

https://link.springer.com/article/10.1140/epjp/s13360-021-02271-5

• Ajaz and H.Younis et al, “Centrality dependence of PT distributions and nuclear modification factor of charged particles in Pb–Pb interactions at SNN=2.76 TeV” Published in: Results in Physics. 30 (2021) 104790

https://www.sciencedirect.com/science/article/pii/S2211379721008470

• Y.A. Ismail et al H.Younis ,“Investigating structural changes and surface modification in glassy carbon induced by xenon ion implantation and heat treatment” Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Volume 522, 1 July 2022, Pages 38-46 https://www.sciencedirect.com/science/article/abs/pii/S0168583X22001252

• Javaria Razzaq, Zahida Ehsan and H Younis et al, “Linear and nonlinear analysis of Ion- Temperature-Gradient (ITG) driven mode in the asymmetric pair-ion magneto plasma” Journal of Physica Scripta, Volume 97, Number 10, (2022) Scr. 97 105601 https://iopscience.iop.org/article/10.1088/1402-4896/ac8cbd

• Younis et al “Gamma radioactivity and Environmental radiation risks of Granitoids in Central and Western Gilgit-Baltistan, Himalayas, North Pakistan” Paper Published in Results in Physics Volume 37, June 2022, 105509 4.4

https://www.sciencedirect.com/science/article/pii/S2211379722002509

• Younis et al, “Radiometric examination of fertilizers and assessment of their health hazards, commonly used in Pakistan” published in Nuclear Engineering and Technology Journal , 23 March 2023 Volume 55, Issue 7, July 2023, Pages2447-2453 https://www.sciencedirect.com/science/article/pii/S1738573323001298

• Umair Azeem, Hannan Younis et al, “Radionuclide concentrations in agricultural soil and lifetime cancer risk due to gamma radioactivity in district Swabi, KPK, Pakistan” journal of Nuclear Engineering and Technology ISSN 1738-5733, September 2023

https://doi.org/10.1016/j.net.2023.09.026

• Murad Badshah, Muhammad Ajaz, Muhammad Waqas and Hannan Younis “Evolution of effective temperature, kinetic freeze-out temperature and transverse flow velocity in pp collision” Published 17 October 2023 Physica Scripta, Volume 98, https://iopscience.iop.org/article/10.1088/1402-4896/ad00eb/meta
• Hannan Younis, Muhammad Ajaz et al, “Tuning Monte Carlo Models to Reproduce Cosmic Radiation Interacting with the Earth’s Atmosphere” Journal of Atmosphere 2023, 14, https://doi.org/10.3390/atmos14061028

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