Charge trapping correction and energy performance of the MAJORANA DEMONSTRATOR

被引：2

作者：

Arnquist, I. J. ^{[1
]}

Avignone, F. T., III ^{[2
,3
]}

Barabash, A. S. ^{[4
]}

Barton, C. J. ^{[5
]}

Bhimani, K. H. ^{[6
,7
]}

Blalock, E. ^{[8
,9
]}

Bos, B. ^{[6
,7
]}

Busch, M. ^{[7
,9
]}

Buuck, M. ^{[10
,11
,26
]}

Caldwell, T. S. ^{[6
,7
]}

Chan, Y. -D. ^{[12
]}

Christofferson, C. D. ^{[13
]}

Chu, P. -H. ^{[14
]}

Clark, M. L. ^{[6
,7
]}

Cuesta, C. ^{[15
]}

Detwiler, J. A. ^{[10
,11
]}

Efremenko, Yu. ^{[3
,16
]}

Ejiri, H. ^{[17
]}

Elliott, S. R. ^{[14
]}

Giovanetti, G. K. ^{[18
]}

Green, M. P. ^{[3
,7
,8
]}

Gruszko, J. ^{[6
,7
]}

Guinn, I. S. ^{[6
,7
]}

Guiseppe, V. E. ^{[3
]}

Haufe, C. R. ^{[6
,7
]}

Henning, R. ^{[6
,7
]}

Aguilar, D. Hervas ^{[6
,7
]}

Hoppe, E. W. ^{[1
]}

Hostiuc, A. ^{[10
,11
]}

Kidd, M. F. ^{[19
]}

Kim, I.

Kouzes, R. T. ^{[1
]}

Lannen, T. E. ^{[2
]}

Li, A. ^{[6
,7
]}

Lopez-Castano, J. M. ^{[3
]}

Martin, E. L. ^{[6
,7
,27
]}

Martin, R. D. ^{[20
]}

Massarczyk, R.

Meijer, S. J.

Mertens, S. ^{[21
,22
]}

Oli, T. K. ^{[5
]}

Othman, G. ^{[6
,7
,28
]}

Paudel, L. S. ^{[5
]}

Pettus, W. ^{[23
,24
]}

Poon, A. W. P. ^{[12
]}

Radford, D. C. ^{[3
]}

Reine, A. L. ^{[6
,7
]}

Rielage, K.

Ruof, N. W. ^{[10
,11
]}

Schaper, D. C.

机构：

[1] Pacific Northwest Natl Lab, Richland, WA 99354 USA

[2] Univ South Carolina, Dept Phys & Astron, Columbia, SC 29208 USA

[3] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA

[4] Kurchatov Inst Inst Theoret & Expt Phys, Natl Res Ctr, Moscow 117218, Russia

[5] Univ South Dakota, Dept Phys, Vermillion, SD 57069 USA

[6] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27514 USA

[7] Triangle Univ, Nucl Lab, Durham, NC 27708 USA

[8] North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

[9] Duke Univ, Dept Phys, Durham, NC 27708 USA

[10] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA

[11] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[12] Lawrence Berkeley Natl Lab, Nucl Sci Div, Berkeley, CA 94720 USA

[13] South Dakota Mines, Rapid City, SD 57701 USA

[14] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[15] CIEMAT, Ctr Invest Energet Medioambientales & Tecnol, Madrid 28040, Spain

[16] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37916 USA

[17] Osaka Univ, Res Ctr Nucl Phys, Osaka, Ibaraki 5670047, Japan

[18] Williams Coll, Phys Dept, Williamstown, MA 01267 USA

[19] Tennessee Technol Univ, Cookeville, TN 38505 USA

[20] Queens Univ, Dept Phys Engn Phys & Astron, Kingston, ON K7L 3N6, Canada

[21] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[22] Tech Univ, Phys Dept & Excellence Cluster Universe, D-85748 Munich, Germany

[23] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[24] IU Ctr Explorat Energy & Matter, Bloomington, IN 47408 USA

[25] Joint Inst Nucl Res, Dubna 141980, Russia

[26] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[27] Duke Univ, Durham, NC 27708 USA

[28] Univ Hamburg, Inst Experimentalphys, Hamburg, Germany

[29] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

PHYSICAL REVIEW C | 2023年 / 107卷 / 04期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会; 美国国家科学基金会;

关键词：

DOUBLE-BETA DECAY; GERMANIUM; TIME;

D O I：

10.1103/PhysRevC.107.045503

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

P-type point contact (PPC) high-purity germanium detectors are an important technology in astroparticle and nuclear physics due to their superb energy resolution, low noise, and pulse shape discrimination capabilities. Analysis of data from the MAJORANA DEMONSTRATOR, a neutrinoless double-beta decay experiment deploying PPC detectors enriched in 76Ge, has led to several novel improvements in the analysis of PPC signals. In this work we discuss charge trapping in PPC detectors and its effect on energy resolution. Small dislocations or impurities in the crystal lattice result in trapping of charge carriers from an ionization event of interest, attenuating the signal, and degrading the measured energy. We present a modified digital pole-zero correction to the signal energy estimation that counters the effects of charge trapping and improves the energy resolution of the MAJORANA DEMONSTRATOR by approximately 30% to around 2.4 keV full width at half-maximum at 2039 keV, the 76Ge Q value. An alternative approach achieving similar resolution enhancement is also presented.

引用

页数：12

共 50 条

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Allmond, J. M.
Arnquist, I. J.
Avignone, F. T., III
Barabash, A. S.
Barton, C. J.
Bertrand, F. E.
Bos, B.
Busch, M.
Buuck, M.
Caldwell, T. S.
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Crawford, H. L.
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Efremenko, Yu.
Ejiri, H.
Elliott, S. R.
Gilliss, T.
Giovanetti, G. K.
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Gruszko, J.
Guinn, I. S.
Guiseppe, V. E.
Haufe, C. R.
Hegedus, R. J.
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Aguilar, D. Hervas
Hoppe, E. W.
Hostiuc, A.
Kidd, M. F.
Kim, I.
Kouzes, R. T.
Lopez, A. M.
Lopez-Castano, J. M.
Martin, E. L.
Martin, R. D.
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Bhimani, K. H.
Blalock, E.
Bos, B.
Busch, M.
Buuck, M.
Caldwell, T. S.
Chan, Y. -D.
Christofferson, C. D.
Chu, P. -H.
Clark, M. L.
Cuesta, C.
Detwiler, J. A.
Efremenko, Yu.
Ejiri, H.
Elliott, S. R.
Giovanetti, G. K.
Green, M. P.
Gruszko, J.
Guinn, I. S.
Guiseppe, V. E.
Haufe, C. R.
Henning, R.
Aguilar, D. Hervas
Hoppe, E. W.
Hostiuc, A.
Kidd, M. F.
Kim, I.
Kouzes, R. T.
Lannen, V. T. E.
Li, A.
Lopez-Castano, J. M.
Martin, E. L.
Martin, R. D.
Massarczyk, R.
Meijer, S. J.
Oli, T. K.
Paudel, L. S.
Pettus, W.
Poon, A. W. P.
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Byram, D.
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Ejiri, H.
Elliott, S. R.
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Gruszko, J.
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Hoppe, E. W.
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Jasinski, B. R.
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Chu, P. -H.
Cuesta, C.
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Dunagan, C.
Efremenko, Yu.
Ejiri, H.
Elliott, S. R.
Fu, Z.
Gehman, V. M.
Gilliss, T.
Giovanetti, G. K.
Goett, J.
Green, M. P.
Gruszko, J.
Guinn, I. S.
Guiseppe, V. E.
Haufe, C. R.
Henning, R.
Hoppe, E. W.
Howe, M. A.
Jasinski, B. R.
Keeter, K. J.
Kidd, M. F.
Konovalov, S. I.
Kouzes, R. T.
Lopez, A. M.
MacMullin, J.
Martin, R. D.
Massarczyk, R.
Meijer, S. J.
Mertens, S.
Orrell, J. L.
O'Shaughnessy, C.
Poon, A. W. P.
Radford, D. C.
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Rielage, K.
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