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Indian Journal of Pure & Applied Physics (IJPAP) >
IJPAP Vol.50 [2012] >
IJPAP Vol.50(07) [July 2012] >
| Title: | Photon and neutron dose evaluation in experimental hall of Indus-1 Synchrotron Radiation Source |
| Authors: | Verma, Dimple
Sahu, T K
Khare, Mahesh
Dashora, S
Khan, Saleem
Nayak, M K |
| Keywords: | Synchrotron Radiation Source
Photon and neutron dose |
| Issue Date: | Jul-2012 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Radiation
measurement in Indus-1 experimental hall and Control Room area was performed
for evaluating the photon and neutron dose rates during various operating
conditions. The measurements were carried out using VICTOREEN 451 P and LUDLUM
Model 2363 survey meter for photon and neutron dose rate measurement, respectively.
From the measurements, it was seen that during Indus-1 injection, maximum
photon dose rate of 410 µSv/h and maximum neutron dose rate of 15.9 µSv/h have
been observed at the hot spots (at pre-mirror locations of HRVUV Beam Line and
Photo Physics Beam Line). At experimental station of the beam lines, the
neutron dose rates observed were in the range 1.0-3.4 µSv/h whereas the photon
dose rates were up to 0.9 µSv/h. During Indus-1 storage condition, the
radiation levels were near background levels except at one of the hot spots
(pre-mirror, Photo Physics Beam Line) where photon and neutron dose rates
observed were 6.3 µSv/h and 45.1 µSv/h, respectively. During Indus-2 injection,
neutron dose rates ranging from background to 3.3 µSv/h were observed in the sitting
area at experimental station whereas photon dose rate was noticed up to 0.4
µSv/h. For the control room area, neutron dose rates up to a maximum of 3 µSv/h
were observed during Indus-1 injection only. During other operation modes, dose
rates in control room are of background level. In view of the data during
injection mode of Indus-1, entry prohibition is re-confirmed to the
experimental hall whereas it is restricted during the storage (user) mode.
Details of the measurements and results are presented in the paper. |
| Page(s): | 505-508 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1041 (Online); 0019-5596 (Print) |
| Source: | IJPAP Vol.50(07) [July 2012]
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