Physics design of APT linac with normal conducting rf cavities

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The accelerator based production of tritium calls for a high-power, cw proton linac. Previous designs for such a linac use a radiofrequency quadrupole (RFQ), followed by a drift-tube linac (DTL) to an intermediate energy and a coupled-cavity linc (CCL) to the final energy. The Los Alamos design uses a high-energy (6.7 MeV) RFQ followed by the newly developed coupled-cavity drift-tube linac (CCDTL) and a CCL. This design accommodates external electromagnetic quadrupole lenses which provide a strong uniform focusing lattice from the end of the RFQ to the end of the CCL. The cell lengths in linacs of traditional design are ... continued below

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4 p.

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Nath, S.; Billen, J.H.; Stovall, J.E.; Takeda, Harunori & Young, L.M. September 1, 1996.

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Description

The accelerator based production of tritium calls for a high-power, cw proton linac. Previous designs for such a linac use a radiofrequency quadrupole (RFQ), followed by a drift-tube linac (DTL) to an intermediate energy and a coupled-cavity linc (CCL) to the final energy. The Los Alamos design uses a high-energy (6.7 MeV) RFQ followed by the newly developed coupled-cavity drift-tube linac (CCDTL) and a CCL. This design accommodates external electromagnetic quadrupole lenses which provide a strong uniform focusing lattice from the end of the RFQ to the end of the CCL. The cell lengths in linacs of traditional design are typically graded as a function of particle velocity. By making groups of cells symmetric in both the CCDTL and CCL, the cavity design as well as mechanical design and fabrication is simplified without compromising the performance. At higher energies, there are some advantages of using superconducting rf cavities. Currently, such schemes are under vigorous study. This paper describes the linac design based on normal conducting cavities and presents simulation results.

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4 p.

Notes

INIS; OSTI as DE96014803

Source

  • 18. international linac conference, Geneva (Switzerland), 26-30 Aug 1996

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  • Other: DE96014803
  • Report No.: LA-UR--96-2969
  • Report No.: CONF-9608123--19
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 378235
  • Archival Resource Key: ark:/67531/metadc688452

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  • September 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • March 1, 2016, 6:21 p.m.

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Nath, S.; Billen, J.H.; Stovall, J.E.; Takeda, Harunori & Young, L.M. Physics design of APT linac with normal conducting rf cavities, article, September 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc688452/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.