Difference between revisions of "CPP-NPP Target"
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* The 208Pb target, manufactured by Oak Ridge National Laboratory, is a 1-in.-diameter circular foil of 99.09% enriched 208Pb, with an approximate thickness of 12 mils. | * The 208Pb target, manufactured by Oak Ridge National Laboratory, is a 1-in.-diameter circular foil of 99.09% enriched 208Pb, with an approximate thickness of 12 mils. | ||
* A description of the target can be found in [https://doi.org/10.1016/j.nima.2009.09.063 P. Martel et al., "Nuclear Targets for a Precision Measurement of the Neutral Pion Radiative Width," NIMA 612 (2009) 46-49.] | * A description of the target can be found in [https://doi.org/10.1016/j.nima.2009.09.063 P. Martel et al., "Nuclear Targets for a Precision Measurement of the Neutral Pion Radiative Width," NIMA 612 (2009) 46-49.] | ||
| − | * [https://mailman.jlab.org/pipermail/halld-cpp/2022-June/000490.html | + | * [https://mailman.jlab.org/pipermail/halld-cpp/2022-June/000490.html Links to drawings] (Bobby Bunton) |
=== Photos of target beamline === | === Photos of target beamline === | ||
Revision as of 15:26, 23 September 2022
Description
- The 208Pb target, manufactured by Oak Ridge National Laboratory, is a 1-in.-diameter circular foil of 99.09% enriched 208Pb, with an approximate thickness of 12 mils.
- A description of the target can be found in P. Martel et al., "Nuclear Targets for a Precision Measurement of the Neutral Pion Radiative Width," NIMA 612 (2009) 46-49.
- Links to drawings (Bobby Bunton)
Photos of target beamline
Beam Line Components
- exit beam pipe window: 125um Kapton
- distance from exit beam pipe window and target: ~3cm
- distance from lead target to entrance He bag: ~1cm
- entrance and exit window He bag: 50um aluminized mylar
