Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2024
|
| Subjects: | |
| Online Access: | https://arxiv.org/abs/2411.09592 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866912298383179776 |
|---|---|
| author | Antonello, M. Brinkmann, L. Garutti, E. Klanner, R. Schwandt, J. |
| author_facet | Antonello, M. Brinkmann, L. Garutti, E. Klanner, R. Schwandt, J. |
| contents | The gain-voltage dependence for SiPMs from V. Chmill et al., Study of the breakdown voltage of SiPMs, is reanalyzed and a non-linearity at the sub-percent level is observed. Simulations show that he non-linearity can be explained by the increase of the depletion depth of the avalanche region with over-voltage. A consequence of the non-linearity is that the voltage at which the discharge stops is systematically underestimated if a linear extrapolation is used. However, the shift is too small to explain the difference between the break-down voltage from the current-voltage dependence and the one obtained from the extrapolation of the gain-voltage dependence to gain one. The results are confirmed by measurement of a different MPPC produced by Hamamatsu which has a break-down voltage which is about a factor two higher. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_09592 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Is the gain-voltage dependence of SiPMs linear? Antonello, M. Brinkmann, L. Garutti, E. Klanner, R. Schwandt, J. Materials Science High Energy Physics - Experiment The gain-voltage dependence for SiPMs from V. Chmill et al., Study of the breakdown voltage of SiPMs, is reanalyzed and a non-linearity at the sub-percent level is observed. Simulations show that he non-linearity can be explained by the increase of the depletion depth of the avalanche region with over-voltage. A consequence of the non-linearity is that the voltage at which the discharge stops is systematically underestimated if a linear extrapolation is used. However, the shift is too small to explain the difference between the break-down voltage from the current-voltage dependence and the one obtained from the extrapolation of the gain-voltage dependence to gain one. The results are confirmed by measurement of a different MPPC produced by Hamamatsu which has a break-down voltage which is about a factor two higher. |
| title | Is the gain-voltage dependence of SiPMs linear? |
| topic | Materials Science High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2411.09592 |