Difference between revisions of "CPP-NPP Target"

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* pictures from target beam line:
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=== Description ===
** [https://halldweb.jlab.org/talks/2022/IMG_20220314_090741_574.jpg pic1]
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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.
** [https://halldweb.jlab.org/talks/2022/IMG_20220314_090750_862.jpg pic2]
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* 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://halldweb.jlab.org/talks/2022/IMG_20220314_090758_954.jpg pic3]
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* [[Media:Target holder.png | Target Frame Drawings]]
** [https://halldweb.jlab.org/talks/2022/IMG_20220314_090811_505.jpg pic4]
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* [https://mailman.jlab.org/pipermail/halld-cpp/2022-June/000490.html Links to drawings] (Bobby Bunton)
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=== Photos of target beamline ===
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* [https://halldweb.jlab.org/talks/2022/IMG_20220314_090741_574.jpg pic1]
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* [https://halldweb.jlab.org/talks/2022/IMG_20220314_090750_862.jpg pic2]
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* [https://halldweb.jlab.org/talks/2022/IMG_20220314_090758_954.jpg pic3]
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* [https://halldweb.jlab.org/talks/2022/IMG_20220314_090811_505.jpg pic4]
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* [[Media:Pb target.png | Target 208Pb]]
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* [[Media:CPP target frame mockup.png | Photo of mockup of target frame]]
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=== Beam Line Components ===
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* exit beam pipe window: 125um Kapton
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* distance from exit beam pipe window and target: ~3cm
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* distance from lead target to entrance He bag: ~1cm
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* entrance and exit window He bag: 50um aluminized mylar
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[[File:Target2.png|thumb|left|Target Holder with positions A and B for Full 208Pb and Empty Frames]]

Latest revision as of 17:09, 23 September 2022

Description

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
Target Holder with positions A and B for Full 208Pb and Empty Frames