A high power liquid hydrogen target for parity violation experiments

E. J. Beise; D. H. Beck; E. Candell; R. Carr; F. Duncan; T. Forest; W. Korsch; J. W. Mark; R. D. McKeown; B. A. Mueller; M. Pitt; S. Wells

doi:10.1016/0168-9002(96)00489-5

A high power liquid hydrogen target for parity violation experiments

E. J. Beise, D. H. Beck, E. Candell, R. Carr, F. Duncan, T. Forest, W. Korsch, J. W. Mark, R. D. McKeown, B. A. Mueller, M. Pitt, S. Wells

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

Parity-violating electron scattering measurements on hydrogen and deuterium, such as those underway at the Bates and CEBAF laboratories, require luminosities exceeding 10³⁸ Cm^-2S^-1, resulting in large beam power deposition into cryogenic liquid. Such targets must be able to absorb 500 W or more with minimal change in target density. A 40 cm long liquid hydrogen target, designed to absorb 500 W of beam power without boiling, has been developed for the SAMPLE experiment at Bates. In recent tests with 40 μA of incident beam, no evidence was seen for density fluctuations in the target, at a sensitivity level of better than 1%. A summary of the target design and operational experience will be presented.

Original language	English (US)
Pages (from-to)	383-391
Number of pages	9
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	378
Issue number	3
DOIs	https://doi.org/10.1016/0168-9002(96)00489-5
State	Published - Aug 21 1996

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Beise, E. J., Beck, D. H., Candell, E., Carr, R., Duncan, F., Forest, T., Korsch, W., Mark, J. W., McKeown, R. D., Mueller, B. A., Pitt, M., & Wells, S. (1996). A high power liquid hydrogen target for parity violation experiments. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 378(3), 383-391. https://doi.org/10.1016/0168-9002(96)00489-5

A high power liquid hydrogen target for parity violation experiments. / Beise, E. J.; Beck, D. H.; Candell, E.; Carr, R.; Duncan, F.; Forest, T.; Korsch, W.; Mark, J. W.; McKeown, R. D.; Mueller, B. A.; Pitt, M.; Wells, S.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 378, No. 3, 21.08.1996, p. 383-391.

Research output: Contribution to journal › Article › peer-review

Beise, EJ, Beck, DH, Candell, E, Carr, R, Duncan, F, Forest, T, Korsch, W, Mark, JW, McKeown, RD, Mueller, BA, Pitt, M & Wells, S 1996, 'A high power liquid hydrogen target for parity violation experiments', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 378, no. 3, pp. 383-391. https://doi.org/10.1016/0168-9002(96)00489-5

Beise, E. J. ; Beck, D. H. ; Candell, E. ; Carr, R. ; Duncan, F. ; Forest, T. ; Korsch, W. ; Mark, J. W. ; McKeown, R. D. ; Mueller, B. A. ; Pitt, M. ; Wells, S. / A high power liquid hydrogen target for parity violation experiments. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 1996 ; Vol. 378, No. 3. pp. 383-391.

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abstract = "Parity-violating electron scattering measurements on hydrogen and deuterium, such as those underway at the Bates and CEBAF laboratories, require luminosities exceeding 1038 Cm-2S-1, resulting in large beam power deposition into cryogenic liquid. Such targets must be able to absorb 500 W or more with minimal change in target density. A 40 cm long liquid hydrogen target, designed to absorb 500 W of beam power without boiling, has been developed for the SAMPLE experiment at Bates. In recent tests with 40 μA of incident beam, no evidence was seen for density fluctuations in the target, at a sensitivity level of better than 1%. A summary of the target design and operational experience will be presented.",

author = "Beise, {E. J.} and Beck, {D. H.} and E. Candell and R. Carr and F. Duncan and T. Forest and W. Korsch and Mark, {J. W.} and McKeown, {R. D.} and Mueller, {B. A.} and M. Pitt and S. Wells",

note = "Funding Information: This work was supportedu nder NSF grants PHY-8914714/PHY-9420470(CaltechP),H Y-9420787 (Illinois), PHY-9457906/PHY-0229690(M aryland), PHY-92081 19( RPI) andD OE cooperativaeg reemenDtE -FCOZ",

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AU - Mark, J. W.

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AU - Wells, S.

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