A polarized target for the CLAS detector

C. D. Keith; M. Anghinolfi; M. Battaglieri; P. Bosted; D. Branford; S. Bültmann; V. D. Burkert; S. A. Comer; D. G. Crabb; R. De Vita; G. Dodge; R. Fatemi; D. Kashy; S. E. Kuhn; Y. Prok; M. Ripani; M. L. Seely; M. Taiuti; S. Witherspoon

doi:10.1016/S0168-9002(03)00429-7

A polarized target for the CLAS detector

C. D. Keith, M. Anghinolfi, M. Battaglieri, P. Bosted, D. Branford, S. Bültmann, V. D. Burkert, S. A. Comer, D. G. Crabb, R. De Vita, G. Dodge, R. Fatemi, D. Kashy, S. E. Kuhn, Y. Prok, M. Ripani, M. L. Seely, M. Taiuti, S. Witherspoon

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69 Scopus citations

Abstract

We describe the design, construction, and performance of a polarized solid target for use in electron scattering experiments with the CEBAF Large Acceptance Spectrometer. Protons and deuterons are continuously polarized by microwave-induced spin-flip transitions at 1 K and 5 T. The target operated successfully during two cycles in 1998 and 2000, providing proton and deuteron polarizations as high as 96% and 46%, respectively. The unique features of the target which permit its use inside a 4π spectrometer are stressed. Comparison is made between the target polarization measured by the traditional method of NMR and by electron elastic scattering.

Original language	English
Pages (from-to)	327-339
Number of pages	13
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	501
Issue number	2-3
DOIs	https://doi.org/10.1016/S0168-9002(03)00429-7
State	Published - Apr 1 2003

Bibliographical note

Funding Information:
The authors gratefully acknowledge the expert support provided by the technical staffs of the Jefferson Lab Target Group, Jefferson Lab Hall B, University of Virginia Physics Department, and INFN-Genova. We also benefitted from fruitful discussions with Professor Werner Meyer of the Ruhr Universität–Bochum. This work was supported in part by grants from the United States Department of Energy and the National Science Foundation, and by an Academic Enhancement Program grant from the University of Virginia.

Keywords

Polarized target
Spin
Structure functions

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/S0168-9002(03)00429-7

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Keith, C. D., Anghinolfi, M., Battaglieri, M., Bosted, P., Branford, D., Bültmann, S., Burkert, V. D., Comer, S. A., Crabb, D. G., De Vita, R., Dodge, G., Fatemi, R., Kashy, D., Kuhn, S. E., Prok, Y., Ripani, M., Seely, M. L., Taiuti, M., & Witherspoon, S. (2003). A polarized target for the CLAS detector. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 501(2-3), 327-339. https://doi.org/10.1016/S0168-9002(03)00429-7

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title = "A polarized target for the CLAS detector",

abstract = "We describe the design, construction, and performance of a polarized solid target for use in electron scattering experiments with the CEBAF Large Acceptance Spectrometer. Protons and deuterons are continuously polarized by microwave-induced spin-flip transitions at 1 K and 5 T. The target operated successfully during two cycles in 1998 and 2000, providing proton and deuteron polarizations as high as 96% and 46%, respectively. The unique features of the target which permit its use inside a 4π spectrometer are stressed. Comparison is made between the target polarization measured by the traditional method of NMR and by electron elastic scattering.",

keywords = "Polarized target, Spin, Structure functions",

author = "Keith, {C. D.} and M. Anghinolfi and M. Battaglieri and P. Bosted and D. Branford and S. B{\"u}ltmann and Burkert, {V. D.} and Comer, {S. A.} and Crabb, {D. G.} and {De Vita}, R. and G. Dodge and R. Fatemi and D. Kashy and Kuhn, {S. E.} and Y. Prok and M. Ripani and Seely, {M. L.} and M. Taiuti and S. Witherspoon",

note = "Funding Information: The authors gratefully acknowledge the expert support provided by the technical staffs of the Jefferson Lab Target Group, Jefferson Lab Hall B, University of Virginia Physics Department, and INFN-Genova. We also benefitted from fruitful discussions with Professor Werner Meyer of the Ruhr Universit{\"a}t–Bochum. This work was supported in part by grants from the United States Department of Energy and the National Science Foundation, and by an Academic Enhancement Program grant from the University of Virginia.",

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doi = "10.1016/S0168-9002(03)00429-7",

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Keith, CD, Anghinolfi, M, Battaglieri, M, Bosted, P, Branford, D, Bültmann, S, Burkert, VD, Comer, SA, Crabb, DG, De Vita, R, Dodge, G, Fatemi, R, Kashy, D, Kuhn, SE, Prok, Y, Ripani, M, Seely, ML, Taiuti, M & Witherspoon, S 2003, 'A polarized target for the CLAS detector', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 501, no. 2-3, pp. 327-339. https://doi.org/10.1016/S0168-9002(03)00429-7

TY - JOUR

T1 - A polarized target for the CLAS detector

AU - Keith, C. D.

AU - Anghinolfi, M.

AU - Battaglieri, M.

AU - Bosted, P.

AU - Branford, D.

AU - Bültmann, S.

AU - Burkert, V. D.

AU - Comer, S. A.

AU - Crabb, D. G.

AU - De Vita, R.

AU - Dodge, G.

AU - Fatemi, R.

AU - Kashy, D.

AU - Kuhn, S. E.

AU - Prok, Y.

AU - Ripani, M.

AU - Seely, M. L.

AU - Taiuti, M.

AU - Witherspoon, S.

N1 - Funding Information: The authors gratefully acknowledge the expert support provided by the technical staffs of the Jefferson Lab Target Group, Jefferson Lab Hall B, University of Virginia Physics Department, and INFN-Genova. We also benefitted from fruitful discussions with Professor Werner Meyer of the Ruhr Universität–Bochum. This work was supported in part by grants from the United States Department of Energy and the National Science Foundation, and by an Academic Enhancement Program grant from the University of Virginia.

PY - 2003/4/1

Y1 - 2003/4/1

N2 - We describe the design, construction, and performance of a polarized solid target for use in electron scattering experiments with the CEBAF Large Acceptance Spectrometer. Protons and deuterons are continuously polarized by microwave-induced spin-flip transitions at 1 K and 5 T. The target operated successfully during two cycles in 1998 and 2000, providing proton and deuteron polarizations as high as 96% and 46%, respectively. The unique features of the target which permit its use inside a 4π spectrometer are stressed. Comparison is made between the target polarization measured by the traditional method of NMR and by electron elastic scattering.

AB - We describe the design, construction, and performance of a polarized solid target for use in electron scattering experiments with the CEBAF Large Acceptance Spectrometer. Protons and deuterons are continuously polarized by microwave-induced spin-flip transitions at 1 K and 5 T. The target operated successfully during two cycles in 1998 and 2000, providing proton and deuteron polarizations as high as 96% and 46%, respectively. The unique features of the target which permit its use inside a 4π spectrometer are stressed. Comparison is made between the target polarization measured by the traditional method of NMR and by electron elastic scattering.

KW - Polarized target

KW - Spin

KW - Structure functions

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SN - 0168-9002

VL - 501

SP - 327

EP - 339

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

IS - 2-3

ER -

A polarized target for the CLAS detector

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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