Difference between revisions of "R5718-5716 Ba133Analysis"
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ntuple->Draw("(ADC9-39.8)/2.61747 >>(4096,0,4096)") | ntuple->Draw("(ADC9-39.8)/2.61747 >>(4096,0,4096)") | ||
| + | |||
| + | |||
| + | |||
| + | Ba-133 undergoes electron capture to Cs-133. 86% of the time it ends up in the 1/2+ , 437 keV excited state of Cs-133. | ||
Energy(keV) Intensity(rel) | Energy(keV) Intensity(rel) | ||
| Line 37: | Line 41: | ||
356.0134( 6) 62.05(19) | 356.0134( 6) 62.05(19) | ||
383.8480(12) 8.94( 3) | 383.8480(12) 8.94( 3) | ||
| − | + | 632.5(10) 100 | |
| − | |||
| − | |||
| − | |||
| − | |||
| + | Did not observe the 53,79,160, 223, lines | ||
{| border="1" |cellpadding="20" cellspacing="0 | {| border="1" |cellpadding="20" cellspacing="0 | ||
| Line 51: | Line 52: | ||
| 82 || Strong, probably the 80.9971 line from the 5/2+ to 7/2+ Cs-133 transition | | 82 || Strong, probably the 80.9971 line from the 5/2+ to 7/2+ Cs-133 transition | ||
|- | |- | ||
| − | | 277 || Medium | + | | 277 || Medium, probably the 276.3997 line |
|- | |- | ||
| − | |303 || Medium | + | |303 || Medium, probably the 302.8510 line |
|- | |- | ||
| 356|| Strong, likely the 356.0134 line from the 1/2+(437 keV) to 5/2+ (81 keV) Cs-133 transition | | 356|| Strong, likely the 356.0134 line from the 1/2+(437 keV) to 5/2+ (81 keV) Cs-133 transition | ||
Revision as of 17:47, 20 August 2013
Coincidence lines for Ba-133
- 276 && 306 keV lines http://www.nndc.bnl.gov/nsr/nsrlink.jsp?1995JU02
- Ba-132 83 && 360 http://www.nndc.bnl.gov/nsr/nsrlink.jsp?1996KU01 http://www.nndc.bnl.gov/nsr/nsrlink.jsp?2002GA01
- Ba-132 383 && 515 http://www.nndc.bnl.gov/nsr/nsrlink.jsp?1975GI11
Run list
| Run | Description | |
| 5716 | Coincidences for Ba-133 10 uCi source. The CFD widths were 10 nsec making the coincidence window 20 nsec. running time 7 hrs , 33 min, 14sec. Rate was 1 Hz | |
| 5718 | Logic Unit in OR mode for Ba-133 10 uCi source. The CFD widths were 10 nsec making the coincidence window 20 nsec. running time 2 min, 5 sec. Rate was 4 kHz |
Singles Run 5718 Analsysis
Photons from the source
ntuple->Draw("(ADC5-62.1537)/2.82207 >>(4096,0,4096)")
ntuple->Draw("(ADC9-39.8)/2.61747 >>(4096,0,4096)")
Ba-133 undergoes electron capture to Cs-133. 86% of the time it ends up in the 1/2+ , 437 keV excited state of Cs-133.
Energy(keV) Intensity(rel) 53.1625( 6) 2.199(22) 79.6139(13) 2.62( 6) 80.9971(12) 34.06(27) 160.6109(17) 0.645( 8) 223.2373(14) 0.450( 4) 276.3997(13) 7.164(22) 302.8510( 6) 18.33( 6) 356.0134( 6) 62.05(19) 383.8480(12) 8.94( 3) 632.5(10) 100
Did not observe the 53,79,160, 223, lines
| Photon Energy (keV) | Description |
| 82 | Strong, probably the 80.9971 line from the 5/2+ to 7/2+ Cs-133 transition |
| 277 | Medium, probably the 276.3997 line |
| 303 | Medium, probably the 302.8510 line |
| 356 | Strong, likely the 356.0134 line from the 1/2+(437 keV) to 5/2+ (81 keV) Cs-133 transition |
| 384 | Medium |
| 510 | Weak |
| 584 | |
| 609 | |
| 913 | |
| 970 | |
| 913 | |
| 970 | |
| 911 | |
| 970 | |
| 1121 | |
| 1277 | |
| 1417 |