A fourfold Bhabha/Møller polarimeter for positrons/electrons

J. Klinken, van; W.Z. Venema; V.A. Wichers

doi:10.1016/0168-9002(90)90222-R

A fourfold Bhabha/Møller polarimeter for positrons/electrons

J. Klinken, van, W.Z. Venema, V.A. Wichers

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

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Samenvatting

A polarimeter with high statistica power is introduced for relative measurements of the longitudinal polarization of positrons or electrons at kinetic energies above 1 MeV. A fourfold construction improved the statistical power and the instrumental symmetry. In each of the four polarimeters five detectors viewed a cylindrical scatterer of FeCoV. The polarimeters reached an average sensitivity S 0.058, approaching the theoretical optimum of 0.079. A fast data-acquisition system was dedicated to high event rates at small dead time. In case of ß+-polarization measurements the systematic errors were negligible to 10-3 accuracy.

Originele taal-2	Engels
Pagina's (van-tot)	202-213
Aantal pagina's	12
Tijdschrift	Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	286
Nummer van het tijdschrift	1-2
DOI's	https://doi.org/10.1016/0168-9002(90)90222-R
Status	Gepubliceerd - 1990

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10.1016/0168-9002(90)90222-R

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Citeer dit

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title = "A fourfold Bhabha/M{\o}ller polarimeter for positrons/electrons",

abstract = "A polarimeter with high statistica power is introduced for relative measurements of the longitudinal polarization of positrons or electrons at kinetic energies above 1 MeV. A fourfold construction improved the statistical power and the instrumental symmetry. In each of the four polarimeters five detectors viewed a cylindrical scatterer of FeCoV. The polarimeters reached an average sensitivity S 0.058, approaching the theoretical optimum of 0.079. A fast data-acquisition system was dedicated to high event rates at small dead time. In case of {\ss}+-polarization measurements the systematic errors were negligible to 10-3 accuracy.",

author = "{Klinken, van}, J. and W.Z. Venema and V.A. Wichers",

year = "1990",

doi = "10.1016/0168-9002(90)90222-R",

language = "English",

volume = "286",

pages = "202--213",

journal = "Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",

issn = "0168-9002",

publisher = "Elsevier",

number = "1-2",

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A fourfold Bhabha/Møller polarimeter for positrons/electrons. / Klinken, van, J.; Venema, W.Z.; Wichers, V.A.

In: Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 286, Nr. 1-2, 1990, blz. 202-213.

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

TY - JOUR

T1 - A fourfold Bhabha/Møller polarimeter for positrons/electrons

AU - Klinken, van, J.

AU - Venema, W.Z.

AU - Wichers, V.A.

PY - 1990

Y1 - 1990

N2 - A polarimeter with high statistica power is introduced for relative measurements of the longitudinal polarization of positrons or electrons at kinetic energies above 1 MeV. A fourfold construction improved the statistical power and the instrumental symmetry. In each of the four polarimeters five detectors viewed a cylindrical scatterer of FeCoV. The polarimeters reached an average sensitivity S 0.058, approaching the theoretical optimum of 0.079. A fast data-acquisition system was dedicated to high event rates at small dead time. In case of ß+-polarization measurements the systematic errors were negligible to 10-3 accuracy.

AB - A polarimeter with high statistica power is introduced for relative measurements of the longitudinal polarization of positrons or electrons at kinetic energies above 1 MeV. A fourfold construction improved the statistical power and the instrumental symmetry. In each of the four polarimeters five detectors viewed a cylindrical scatterer of FeCoV. The polarimeters reached an average sensitivity S 0.058, approaching the theoretical optimum of 0.079. A fast data-acquisition system was dedicated to high event rates at small dead time. In case of ß+-polarization measurements the systematic errors were negligible to 10-3 accuracy.

U2 - 10.1016/0168-9002(90)90222-R

DO - 10.1016/0168-9002(90)90222-R

M3 - Article

VL - 286

SP - 202

EP - 213

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

SN - 0168-9002

IS - 1-2

ER -