Hupmobile cloud chamber parameters

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Description

The accompanying table lists the presently selected parameters for the twelve cloud chambers. The chambers are numbered consecutively from 4 through 15 as they are lined up in the bunker. The lowest number is closest to the source. All except the first chamber have some thin metal filters to attenuate the flux and harden the spectrum. Cloud chambers 10, 12, and 14 are shielded by a collimator with about 200 pinholes in it. The flux in these chambers is attenuated by the ratio of the pinhole area to total beam area which is a factor of 50. Various gases and ... continued below

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6 p.

Creation Information

Hansen, N. E. September 28, 1967.

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Description

The accompanying table lists the presently selected parameters for the twelve cloud chambers. The chambers are numbered consecutively from 4 through 15 as they are lined up in the bunker. The lowest number is closest to the source. All except the first chamber have some thin metal filters to attenuate the flux and harden the spectrum. Cloud chambers 10, 12, and 14 are shielded by a collimator with about 200 pinholes in it. The flux in these chambers is attenuated by the ratio of the pinhole area to total beam area which is a factor of 50. Various gases and gas pressures are used to obtain suitable track lengths and interaction cross sections. Neon, argon, and krypton are used to obtain photo electrons. Hydrogen is used to obtain Compton electrons.

Physical Description

6 p.

Notes

OSTI as DE97050291

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  • Other Information: DN: Declassified

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  • Other: DE97050291
  • Report No.: UCRL-ID--124769
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 442073
  • Archival Resource Key: ark:/67531/metadc685094

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • September 28, 1967

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

Description Last Updated

  • Feb. 16, 2016, 7:37 p.m.

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Hansen, N. E. Hupmobile cloud chamber parameters, report, September 28, 1967; California. (digital.library.unt.edu/ark:/67531/metadc685094/: accessed January 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.