R5718-5716 Ba133Analysis

Coincidence lines for Ba-133

1. 276 && 306 keV lines http://www.nndc.bnl.gov/nsr/nsrlink.jsp?1995JU02
2. Ba-132 83 && 360 http://www.nndc.bnl.gov/nsr/nsrlink.jsp?1996KU01 http://www.nndc.bnl.gov/nsr/nsrlink.jsp?2002GA01
3. 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

Coincidence Run 5716 Analysis

PAA_CoincidenceCounting#Coincidence_lines_for_Eu-152