[Isac-journal-club] JOURNAL CLUB TODAY 3:30

[journalclub]

Hello All,


This weeks journal & snack club is today at 3:30 in the MOB.

Stephen will be presenting the attached paper:

https://www.sciencedirect.com/science/article/pii/S0370269318301771
<https://www.sciencedirect.com/science/article/pii/S0370269318301771>

 

Some Questions/Discussion Points:

 1. What would be the consequences of variations in the decay constant?
 2. The activity of the sources is calculated by integrating the full
    energy spectrum, why measure activity above the full photopeak energy.
 3. ^40 K  decays predominately via β^-  decay to ^40 Ca without the
    emission of a γ ray. As the experiment is insensitive to this type
    of decay can they discount variations in the decay rate.
 4. The detector experiences a significant gain shift over the course of
    the experiment. What could be the cause of this shift?
 5. In Fig 7 why is the standard deviation no longer horizontal after
    100 days? The same effect is not seen in Fig 4  despite using the
    same methods.


Hope to see you all there.
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