Zobrazeno 1 - 10
of 17
pro vyhledávání: '"T P, Selvam"'
Publikováno v:
Journal of Medical Physics, Vol 49, Iss 2, Pp 148-154 (2024)
Background: The present study is aimed at calculating relative absorbed-dose energy response correction (R) of commonly used thermoluminescent dosimeters (TLDs) such as LiF, Li2B4O7, and Al2O3 as a function of depth in water for protons (50–250 MeV
Externí odkaz:
https://doaj.org/article/7733ab0709284891a79c54f2a3f847ed
Publikováno v:
Machine Learning: Science and Technology, Vol 5, Iss 1, p 015011 (2024)
In the present age, marked by data-driven advancements in various fields, the importance of machine learning (ML) holds a prominent position. The ability of ML algorithms to resolve complex patterns and extract insights from large datasets has solidi
Externí odkaz:
https://doaj.org/article/5d177ecacfd34ab8b8dbb8fac2bf8899
Autor:
Subhalaxmi Mishra, Bibekananda Mishra, T Palani Selvam, Sudesh Deshpande, Munir Shabbir Pathan, Rajesh Kumar
Publikováno v:
Journal of Medical Physics, Vol 47, Iss 3, Pp 270-278 (2022)
Introduction/: As per the recommendations of the American Association of Physicists in Medicine Task Group 43, Monte Carlo (MC) investigators should reproduce previously published dose distributions whenever new features of the code are explored. The
Externí odkaz:
https://doaj.org/article/8da3146d4b3d42af92af0d351b55282d
Publikováno v:
Radiation Protection and Environment, Vol 43, Iss 3, Pp 154-161 (2020)
Shielding of a neutron source housing for 1 Ci 241Am-Be source has been designed and fabricated based on the simulation carried out using Monte Carlo code FLUKA. Neutron and photon dose equivalent rates at the surface and at 1 m distance from the sur
Externí odkaz:
https://doaj.org/article/f702d7c484564332894ac630054edb14
Publikováno v:
Journal of Medical Physics, Vol 43, Iss 1, Pp 1-8 (2018)
Purpose: A Monte Carlo model of a 6 MV medical linear accelerator (linac) unit built indigenously was developed using the BEAMnrc user code of the EGSnrc code system. The model was benchmarked against the measurements. Monte Carlo simulations were ca
Externí odkaz:
https://doaj.org/article/8d07a5ec8a4847fabfe71c126ee5c9a3
Publikováno v:
Journal of Medical Physics, Vol 43, Iss 3, Pp 162-167 (2018)
Purpose: Monte Carlo simulation was carried out for a 6 MV flattening filter-free (FFF) indigenously developed linear accelerator (linac) using the BEAMnrc user-code of the EGSnrc code system. The model was benchmarked against the measurements. A Gau
Externí odkaz:
https://doaj.org/article/b4332171fdf142f7a843f8ff8f989e9a
Publikováno v:
Journal of Medical Physics, Vol 42, Iss 1, Pp 18-24 (2017)
Detailed structural shielding of primary and secondary barriers for a 6 MV medical linear accelerator (LINAC) operated with flattening filter (FF) and flattening filter free (FFF) modes are calculated. The calculations have been carried out by two me
Externí odkaz:
https://doaj.org/article/4bd2de043d21452185008c353abc59b4
Autor:
Subhalaxmi Mishra, T Palani Selvam
Publikováno v:
Journal of Medical Physics, Vol 42, Iss 2, Pp 72-79 (2017)
Purpose: To investigate beam quality correction, KQQ0 (r) and phantom scatter correction, Kphan (r) for lithium formate dosimeter as a function of distance r along the transverse axis of the high-energy brachytherapy sources 60Co, 137Cs, 192Ir and 16
Externí odkaz:
https://doaj.org/article/92638627dcf2465da93fa767aa8219f2
Publikováno v:
Journal of Medical Physics, Vol 41, Iss 2, Pp 115-122 (2016)
Clinical application using high-dose rate (HDR) 192Ir sources in remote afterloading technique is a well-established treatment method. In this direction, Board of Radiation and Isotope Technology (BRIT) and Bhabha Atomic Research Centre, India, joint
Externí odkaz:
https://doaj.org/article/b12d65eae9834abb99d54ae693014a6a
Autor:
J. K. Feathers, Ashok K. Singhvi, D. P. Shinde, S. Anand, Y. S. Mayya, T. P. Selvam, Naveen Chauhan
Publikováno v:
Proceedings of the Indian National Science Academy. 87:613-627
In luminescence dating using single grains of quartz, statistical protocols are used to compute the most appropriate dose from the distribution of palaeodoses. The distribution of palaeodoses arises due to, (1) heterogeneity (at grain level) in bleac