AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
ISOLDE
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<p> <table width="98%" align="center" cellspacing="1" style="border:1px solid #486090;"> <tbody> <tr> <td cellpadding="3px" style="background-color:#486090; font-weidht:bold; color:white;">Quote:</td></tr> <tr> <td cellpadding="10px" style="background-color:#FFFFB0;"><p>Placed a hand held rad monitor near the faraday cup and took rate readings every 20 seconds, right after inserting the gate valve in front of SEC:</p> <p>seconds counts/s</p> <p>0 590<br /> 20 499<br /> 40 474<br /> 60 400<br /> 80 353<br /> 100 290<br /> 120 259<br /> 140 234<br /> 160 207<br /> 180 187<br /> 200 175<br /> 220 146<br /> 240 135<br /> 260 124<br /> 280 120<br /> 300 109<br /> 320 107<br /> 340 103<br /> 360 85<br /> 380 86<br /> 400 84<br /> 420 94<br /> 440 81<br /> 460 76<br /> 480 76<br /> 500 74</p> <p>Then fitted this for half life.</p> <p>Assuming a steady state background of 70 cps, and using the first 7 data points... the half life comes out as 82.1 +/-3.9 s.</p> <p>Excellent agreement with known halflife of 59Cu.</p> <p> </p></td> </tr> </tbody> </table> </p><p> </p>
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