Measurement of the drift velocity and transverse diffusion of electrons in liquid xenon with the EXO-200 detector

EXO-200 Collaboration

doi:10.1103/PhysRevC.95.025502

Measurement of the drift velocity and transverse diffusion of electrons in liquid xenon with the EXO-200 detector

EXO-200 Collaboration

Neutron Sciences Directorate

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

34 Scopus citations

Abstract

The EXO-200 Collaboration is searching for neutrinoless double β decay using a liquid xenon (LXe) time projection chamber. This measurement relies on modeling the transport of charge deposits produced by interactions in the LXe to allow discrimination between signal and background events. Here we present measurements of the transverse diffusion constant and drift velocity of electrons at drift fields between 20 V/cm and 615 V/cm using EXO-200 data. At the operating field of 380 V/cm EXO-200 measures a drift velocity of 1.705-0.010+0.014mm/μs and a transverse diffusion coefficient of 55±4cm2/s.

Original language	English
Article number	025502
Journal	Physical Review C
Volume	95
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.95.025502
State	Published - Feb 14 2017

Funding

We also gratefully acknowledge the KARMEN collaboration for supplying the cosmic-ray veto detectors, and the WIPP for their hospitality. EXO-200 is supported by DOE and NSF in the United States, NSERC in Canada, SNF in Switzerland, IBS in Korea, RFBR in Russia, DFG Cluster of Excellence Universe in Germany, and CAS and ISTCP in China. EXO-200 data analysis and simulation uses resources of the National Energy Research Scientific Computing Center (NERSC).

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10.1103/PhysRevC.95.025502

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title = "Measurement of the drift velocity and transverse diffusion of electrons in liquid xenon with the EXO-200 detector",

abstract = "The EXO-200 Collaboration is searching for neutrinoless double β decay using a liquid xenon (LXe) time projection chamber. This measurement relies on modeling the transport of charge deposits produced by interactions in the LXe to allow discrimination between signal and background events. Here we present measurements of the transverse diffusion constant and drift velocity of electrons at drift fields between 20 V/cm and 615 V/cm using EXO-200 data. At the operating field of 380 V/cm EXO-200 measures a drift velocity of 1.705-0.010+0.014mm/μs and a transverse diffusion coefficient of 55±4cm2/s.",

author = "{EXO-200 Collaboration} and Albert, {J. B.} and Barbeau, {P. S.} and D. Beck and V. Belov and M. Breidenbach and T. Brunner and A. Burenkov and Cao, {G. F.} and Cen, {W. R.} and C. Chambers and B. Cleveland and M. Coon and A. Craycraft and T. Daniels and M. Danilov and Daugherty, {S. J.} and J. Daughhetee and J. Davis and S. Delaquis and {Der Mesrobian-Kabakian}, A. and R. Devoe and T. Didberidze and J. Dilling and A. Dolgolenko and Dolinski, {M. J.} and M. Dunford and W. Fairbank and J. Farine and S. Feyzbakhsh and P. Fierlinger and D. Fudenberg and R. Gornea and K. Graham and G. Gratta and C. Hall and M. Hughes and Jewell, {M. J.} and A. Johnson and Johnson, {T. N.} and S. Johnston and A. Karelin and Kaufman, {L. J.} and R. Killick and T. Koffas and S. Kravitz and R. Kr{\"u}cken and A. Kuchenkov and Kumar, {K. S.} and Y. Lan and Leonard, {D. S.}",

note = "Publisher Copyright: {\textcopyright} 2017 American Physical Society.",

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doi = "10.1103/PhysRevC.95.025502",

language = "English",

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AU - EXO-200 Collaboration

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AU - Barbeau, P. S.

AU - Beck, D.

AU - Belov, V.

AU - Breidenbach, M.

AU - Brunner, T.

AU - Burenkov, A.

AU - Cao, G. F.

AU - Cen, W. R.

AU - Chambers, C.

AU - Cleveland, B.

AU - Coon, M.

AU - Craycraft, A.

AU - Daniels, T.

AU - Danilov, M.

AU - Daugherty, S. J.

AU - Daughhetee, J.

AU - Davis, J.

AU - Delaquis, S.

AU - Der Mesrobian-Kabakian, A.

AU - Devoe, R.

AU - Didberidze, T.

AU - Dilling, J.

AU - Dolgolenko, A.

AU - Dolinski, M. J.

AU - Dunford, M.

AU - Fairbank, W.

AU - Farine, J.

AU - Feyzbakhsh, S.

AU - Fierlinger, P.

AU - Fudenberg, D.

AU - Gornea, R.

AU - Graham, K.

AU - Gratta, G.

AU - Hall, C.

AU - Hughes, M.

AU - Jewell, M. J.

AU - Johnson, A.

AU - Johnson, T. N.

AU - Johnston, S.

AU - Karelin, A.

AU - Kaufman, L. J.

AU - Killick, R.

AU - Koffas, T.

AU - Kravitz, S.

AU - Krücken, R.

AU - Kuchenkov, A.

AU - Kumar, K. S.

AU - Lan, Y.

AU - Leonard, D. S.

PY - 2017/2/14

Y1 - 2017/2/14

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AB - The EXO-200 Collaboration is searching for neutrinoless double β decay using a liquid xenon (LXe) time projection chamber. This measurement relies on modeling the transport of charge deposits produced by interactions in the LXe to allow discrimination between signal and background events. Here we present measurements of the transverse diffusion constant and drift velocity of electrons at drift fields between 20 V/cm and 615 V/cm using EXO-200 data. At the operating field of 380 V/cm EXO-200 measures a drift velocity of 1.705-0.010+0.014mm/μs and a transverse diffusion coefficient of 55±4cm2/s.

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VL - 95

JO - Physical Review C

JF - Physical Review C

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ER -

Measurement of the drift velocity and transverse diffusion of electrons in liquid xenon with the EXO-200 detector

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