|
|
| (55 intermediate revisions by the same user not shown) |
| Line 1: |
Line 1: |
| [https://wiki.iac.isu.edu/index.php/PhotoFission_with_Polarized_Photons_from_HRRL go back]
| |
|
| |
|
| NaI detector, -1030V, 300 mV threshold on gate channel, signal ADC4
| |
|
| |
|
| |
|
| |
| {| border="1" cellspacing="0" style="text-align: center; width: 1000px "
| |
| ! scope="col" width="8%" | Run #
| |
| ! scope="col" width="15%" | source
| |
| ! scope="col" width="15%" | shielding
| |
| ! scope="col" width="8%" | cnts
| |
| ! scope="col" width="8%" | rate
| |
| ! scope="col" width="66%" | Comments
| |
| |-
| |
| |2775||Co-60 some distance away from NaI||2" Pb around, no front shielding|| || ||
| |
| |-
| |
| |2776||bkgd ||2" Pb around, no front shielding|| || ||
| |
| |-
| |
| |2777||Co-60 on NaI taped||2" Pb around, no front shielding || || ||clear 2 big 1.2 and 1.4 MeV peaks, small peak around 4.3 MeV
| |
| Calibration 1.4 MeV/575 cnls = 0.00243 MeV/cnl
| |
| |-
| |
| |2778||bkgd||2" Pb around, no front shielding || ||41.75 Hz ||
| |
| |-
| |
| |2779||bkgd||all around 2" Pb around || ||15.74 Hz ||align="left"|good area around 2000-3800 channels
| |
| |-
| |
| |2780||Cf252||all around 2" Pb around|| ||12 kHz ||align="left"|Cf252 just in front of NaI
| |
| |-
| |
| |2781||Cf252||all around 2" Pb around|| ||5.4 kHz ||align="left"|Cf252 about 15 cm away from NaI
| |
| |-
| |
| |2782||Cf252||all around 2" Pb around|| ||1.1 kHz ||align="left"|Cf252 17" away from NaI
| |
| |-
| |
| |2784||Cf252||all around 2" Pb around||1,372,745 ||1,140 Hz ||align="left"|20 min run
| |
| |-
| |
| |2785||Cf252||all around 2" Pb around||153,508 ||129.5 Hz ||align="left"|20 min run. 2" Pb just after Cf252
| |
| |-
| |
| |2787||Cf252||all around 2" Pb around||1,231,537 ||1,024 Hz ||align="left"|20 min run. 2" Borated Poly just after Cf252
| |
| |-
| |
| |2788||Cf252||all around 2" Pb around||1,225,232 ||1,020 Hz ||align="left"|20 min run. 2" NoBorated Poly just after Cf252
| |
| |-
| |
| |2789||Cf252||all around 2" Pb around|| || ||align="left"|20 min run. 2" Pb, 2" Borated Poly just after Cf252
| |
|
| |
|
| |
|
| |
| |}
| |