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Forum: Particles
Re: Question Detecting too short lived isotopes
Date: 03 Jun, 2011
From: Michael H. Kelsey <Michael H. Kelsey>

On Fri, 03 Jun 2011 09:55:01 GMT, HadronTherapy_Aachen wrote:
> in our detector setup, we shoot approx. 2 GeV C12 ions on a PE target.
> 0.7 meter behind this target, we detect particles in plastic
> scintillators via dE/dx and TOF measurement. I find it quite confusing
> to detect particle isotopes like H5[0.0] or C8[0.0], which have life
> times of 1e-22 s / 2.0e-06 fs. Is there anything I did forget or
> misunderstand? These particles should decay closely behind the target.

By "detect," I guess you mean that you see those isotopes in the track list? I suspect you'll find that they are being produced in your plastic scintillator itself, not in the target.

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1 Note: Re: Detecting too short lived isotopes   (HadronTherapy_Aachen - 06 Jun, 2011)
(_ Idea: Re: Detecting too short lived isotopes   (Vladimir Ivanchenko - 10 Jun, 2011)
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