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| Content Provider | Springer Nature Link |
|---|---|
| Author | Gwak, M. S. Cha, S. M. Chae, K. Y. |
| Copyright Year | 2014 |
| Abstract | A new portable gas-filled ionization chamber has been designed and constructed at the Physics Department of Sung Kyun Kwan University. To overcome the maximum count rate of ∼10$^{5}$ particles per second of a conventional ionization chamber, which utilizes a Frisch grid, and to enhance the portability of a detector, we adopted the design of multiple electrodes and modified it from the original designs by Kimura et al. and Chae et al. The new design utilizes a stack of multiple electrodes installed perpendicular to the optical beam axis. This configuration provides a fast response time for the detector, which is essential for high-rate counting. The device has been tested with a $^{241}$Am (t $_{1/2}$ = 432.2 years) radioactive α source, which mainly emits 5.486-MeV (branching ratio of 85%) and 5.443-MeV (branching ratio of 13%) α particles. An energy resolution of 6.3% was achieved. |
| Starting Page | 516 |
| Ending Page | 521 |
| Page Count | 6 |
| File Format | |
| ISSN | 03744884 |
| Journal | Journal of the Korean Physical Society |
| Volume Number | 64 |
| Issue Number | 4 |
| e-ISSN | 19768524 |
| Language | English |
| Publisher | The Korean Physical Society |
| Publisher Date | 2014-03-22 |
| Publisher Place | Seoul |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Portable Particle identification Theoretical, Mathematical and Computational Physics Gas-filled ionization chamber Multiple electrodes Fast response time Physics Particle and Nuclear Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
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