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Positron accumulation in the GBAR experiment

P. Blumer Orcid Logo, Michael Charlton, M. Chung Orcid Logo, P. Cladé, P. Comini Orcid Logo, P. Crivelli, O. Dalkarov, P. Debu, Liam Dodd, A. Douillet, S. Guellati, P.-A. Hervieux Orcid Logo, L. Hilico Orcid Logo, A. Husson Orcid Logo, P. Indelicato, G. Janka Orcid Logo, S. Jonsell Orcid Logo, J.-P. Karr Orcid Logo, B.H. Kim, E.S. Kim, S.K. Kim, Y. Ko Orcid Logo, T. Kosinski, N. Kuroda Orcid Logo, B.M. Latacz Orcid Logo, B. Lee, H. Lee, J. Lee, A.M.M. Leite Orcid Logo, K. Lévêque, E. Lim, L. Liszkay, P. Lotrus, D. Lunney Orcid Logo, G. Manfredi, B. Mansoulié Orcid Logo, M. Matusiak Orcid Logo, G. Mornacchi, V. Nesvizhevsky Orcid Logo, F. Nez Orcid Logo, S. Niang, R. Nishi Orcid Logo, B. Ohayon Orcid Logo, K. Park, N. Paul Orcid Logo, P. Pérez Orcid Logo, S. Procureur Orcid Logo, B. Radics Orcid Logo, C. Regenfus Orcid Logo, J.-M. Reymond, S. Reynaud Orcid Logo, J.-Y. Roussé, O. Rousselle, A. Rubbia, J. Rzadkiewicz, Y. Sacquin, F. Schmidt-Kaler Orcid Logo, M. Staszczak, K. Szymczyk Orcid Logo, T. Tanaka, B. Tuchming Orcid Logo, B. Vallage Orcid Logo, A. Voronin, Dirk van der Werf Orcid Logo, S. Wolf Orcid Logo, D. Won, S. Wronka Orcid Logo, Y. Yamazaki Orcid Logo, K.H. Yoo, P. Yzombard Orcid Logo, Christopher Baker Orcid Logo

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume: 1040, Start page: 167263

Swansea University Authors: Michael Charlton, Liam Dodd, Dirk van der Werf Orcid Logo, Christopher Baker Orcid Logo

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DOI (Published version): 10.1016/j.nima.2022.167263

Abstract

We present a description of the GBAR positron (e+) trapping apparatus, which consists of a three stage Buffer Gas Trap (BGT) followed by a High Field Penning Trap (HFT), and discuss its performance. The overall goal of the GBAR experiment is to measure the acceleration of the neutral antihydrogen (H...

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Published in: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
ISSN: 0168-9002
Published: Elsevier BV 2022
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The overall goal of the GBAR experiment is to measure the acceleration of the neutral antihydrogen (H) atom in the terrestrial gravitational field by neutralising a positive antihydrogen ion (H+), which has been cooled to a low temperature, and observing the subsequent annihilation following free fall. To produce one ion H+, about 10**10 positrons, efficiently converted into positronium (Ps), together with about antiprotons (p), are required. The positrons, produced from an electron linac-based system, are accumulated first in the BGT whereafter they are stacked in the ultra-high vacuum HFT, where we have been able to trap 1.4(2) x 10**9 positrons in 1100 s.</abstract><type>Journal Article</type><journal>Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment</journal><volume>1040</volume><journalNumber/><paginationStart>167263</paginationStart><paginationEnd/><publisher>Elsevier BV</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>0168-9002</issnPrint><issnElectronic/><keywords>Positron, Accumulator, Antimatter, Antihydrogen, Gravitation</keywords><publishedDay>1</publishedDay><publishedMonth>10</publishedMonth><publishedYear>2022</publishedYear><publishedDate>2022-10-01</publishedDate><doi>10.1016/j.nima.2022.167263</doi><url/><notes>Data will be made available on request.</notes><college>COLLEGE NANME</college><department>Science and Engineering - Faculty</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>FGSEN</DepartmentCode><institution>Swansea University</institution><apcterm>SU Library paid the OA fee (TA Institutional Deal)</apcterm><funders>We acknowledge support of the Agence Nationale de la Recherche, France (project ANTION ANR-14-CE33-0008), CNES, France (convention number 5100017115), the Swiss National Science Foundation, Switzerland (Grant number 173597), ETH Zurich, Switzerland (Grant number ETH-46 17-1), the Swedish Research Council (VR 2021-04005), the Ministry of Education of the Republic of Korea and the National Research Foundation of Korea (NRF-2016R1A6 A3A11932936, NRF-2021R1A2C3-010989). Laboratoire Kastler Brossel (LKB) is a Unit&#xE9; Mixte de Recherche de Sorbonne Universit&#xE9;, de ENS-PSL Research University, du Coll&#xE8;ge de France et du CNRS, France no 8552. We thank CERN for the support to construct the linac and its biological shield and for fellowships and Scientific Associateship provided to D.P. van der Werf and P. P&#xE9;rez. The support of the Enhanced Eurotalents Fellowship programme to D.P. van der Werf is acknowledged . We also thank CUP(IBS) for the fellowship of B.H. Kim (grant number IBS-R016-Y1). S. Niang acknowledges support from the Laboratoire dExcellence P2IO (ANR-10-LABX-0038) in the framework Investissements dAvenir (ANR-11-IDEX-0003-01). We gratefully acknowledge the help of Fran&#xE7;ois Butin and the CERN management and teams that were involved in this project, and are indebted to the technical support provided by Julian Kivell and Phil Hopkins from Swansea University and by Didier Pierrepont from CEA-Saclay.</funders><projectreference/><lastEdited>2022-09-07T13:21:37.9837972</lastEdited><Created>2022-07-29T16:36:08.5326003</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Biosciences, Geography and Physics - 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spelling 2022-09-07T13:21:37.9837972 v2 60681 2022-07-29 Positron accumulation in the GBAR experiment d9099cdd0f182eb9a1c8fc36ed94f53f Michael Charlton Michael Charlton true false 221a41b7ae9b8a15e8a4e5cfbcc2881d Liam Dodd Liam Dodd true false 4a4149ebce588e432f310f4ab44dd82a 0000-0001-5436-5214 Dirk van der Werf Dirk van der Werf true false 0c72afb63bd0c6089fc5b60bd096103e 0000-0002-9448-8419 Christopher Baker Christopher Baker true false 2022-07-29 FGSEN We present a description of the GBAR positron (e+) trapping apparatus, which consists of a three stage Buffer Gas Trap (BGT) followed by a High Field Penning Trap (HFT), and discuss its performance. The overall goal of the GBAR experiment is to measure the acceleration of the neutral antihydrogen (H) atom in the terrestrial gravitational field by neutralising a positive antihydrogen ion (H+), which has been cooled to a low temperature, and observing the subsequent annihilation following free fall. To produce one ion H+, about 10**10 positrons, efficiently converted into positronium (Ps), together with about antiprotons (p), are required. The positrons, produced from an electron linac-based system, are accumulated first in the BGT whereafter they are stacked in the ultra-high vacuum HFT, where we have been able to trap 1.4(2) x 10**9 positrons in 1100 s. Journal Article Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1040 167263 Elsevier BV 0168-9002 Positron, Accumulator, Antimatter, Antihydrogen, Gravitation 1 10 2022 2022-10-01 10.1016/j.nima.2022.167263 Data will be made available on request. COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University SU Library paid the OA fee (TA Institutional Deal) We acknowledge support of the Agence Nationale de la Recherche, France (project ANTION ANR-14-CE33-0008), CNES, France (convention number 5100017115), the Swiss National Science Foundation, Switzerland (Grant number 173597), ETH Zurich, Switzerland (Grant number ETH-46 17-1), the Swedish Research Council (VR 2021-04005), the Ministry of Education of the Republic of Korea and the National Research Foundation of Korea (NRF-2016R1A6 A3A11932936, NRF-2021R1A2C3-010989). Laboratoire Kastler Brossel (LKB) is a Unité Mixte de Recherche de Sorbonne Université, de ENS-PSL Research University, du Collège de France et du CNRS, France no 8552. We thank CERN for the support to construct the linac and its biological shield and for fellowships and Scientific Associateship provided to D.P. van der Werf and P. Pérez. The support of the Enhanced Eurotalents Fellowship programme to D.P. van der Werf is acknowledged . We also thank CUP(IBS) for the fellowship of B.H. Kim (grant number IBS-R016-Y1). S. Niang acknowledges support from the Laboratoire dExcellence P2IO (ANR-10-LABX-0038) in the framework Investissements dAvenir (ANR-11-IDEX-0003-01). We gratefully acknowledge the help of François Butin and the CERN management and teams that were involved in this project, and are indebted to the technical support provided by Julian Kivell and Phil Hopkins from Swansea University and by Didier Pierrepont from CEA-Saclay. 2022-09-07T13:21:37.9837972 2022-07-29T16:36:08.5326003 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics P. Blumer 0000-0001-9610-5963 1 Michael Charlton 2 M. Chung 0000-0001-7014-4120 3 P. Cladé 4 P. Comini 0000-0002-6373-4752 5 P. Crivelli 6 O. Dalkarov 7 P. Debu 8 Liam Dodd 9 A. Douillet 10 S. Guellati 11 P.-A. Hervieux 0000-0002-4965-9709 12 L. Hilico 0000-0002-8916-1294 13 A. Husson 0000-0001-9798-0655 14 P. Indelicato 15 G. Janka 0000-0002-9147-6885 16 S. Jonsell 0000-0003-4969-1714 17 J.-P. Karr 0000-0003-2082-0914 18 B.H. Kim 19 E.S. Kim 20 S.K. Kim 21 Y. Ko 0000-0002-5055-8745 22 T. Kosinski 23 N. Kuroda 0000-0003-2727-790x 24 B.M. Latacz 0000-0003-2320-1713 25 B. Lee 26 H. Lee 27 J. Lee 28 A.M.M. Leite 0000-0003-2389-3078 29 K. Lévêque 30 E. Lim 31 L. Liszkay 32 P. Lotrus 33 D. Lunney 0000-0002-3227-305x 34 G. Manfredi 35 B. Mansoulié 0000-0001-5945-5518 36 M. Matusiak 0000-0002-8239-6971 37 G. Mornacchi 38 V. Nesvizhevsky 0000-0002-5364-0197 39 F. Nez 0000-0002-3478-7521 40 S. Niang 41 R. Nishi 0000-0002-1095-5869 42 B. Ohayon 0000-0003-0045-5534 43 K. Park 44 N. Paul 0000-0003-4469-780x 45 P. Pérez 0000-0003-1407-1582 46 S. Procureur 0000-0002-5994-4132 47 B. Radics 0000-0002-8978-1725 48 C. Regenfus 0000-0001-9656-3104 49 J.-M. Reymond 50 S. Reynaud 0000-0002-1494-696x 51 J.-Y. Roussé 52 O. Rousselle 53 A. Rubbia 54 J. Rzadkiewicz 55 Y. Sacquin 56 F. Schmidt-Kaler 0000-0002-5697-2568 57 M. Staszczak 58 K. Szymczyk 0000-0001-9159-485x 59 T. Tanaka 60 B. Tuchming 0000-0002-1356-0723 61 B. Vallage 0000-0003-1255-8506 62 A. Voronin 63 Dirk van der Werf 0000-0001-5436-5214 64 S. Wolf 0000-0002-2679-9055 65 D. Won 66 S. Wronka 0000-0003-3277-138x 67 Y. Yamazaki 0000-0001-5712-0853 68 K.H. Yoo 69 P. Yzombard 0000-0002-0864-181x 70 Christopher Baker 0000-0002-9448-8419 71 60681__25087__358754e864064bf58f57f214320e9f96.pdf 60681_VoR.pdf 2022-09-07T13:19:58.3206490 Output 1261918 application/pdf Version of Record true Crown Copyright © 2022 This is an open access article under the CC BY-NC-ND license true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title Positron accumulation in the GBAR experiment
spellingShingle Positron accumulation in the GBAR experiment
Michael Charlton
Liam Dodd
Dirk van der Werf
Christopher Baker
title_short Positron accumulation in the GBAR experiment
title_full Positron accumulation in the GBAR experiment
title_fullStr Positron accumulation in the GBAR experiment
title_full_unstemmed Positron accumulation in the GBAR experiment
title_sort Positron accumulation in the GBAR experiment
author_id_str_mv d9099cdd0f182eb9a1c8fc36ed94f53f
221a41b7ae9b8a15e8a4e5cfbcc2881d
4a4149ebce588e432f310f4ab44dd82a
0c72afb63bd0c6089fc5b60bd096103e
author_id_fullname_str_mv d9099cdd0f182eb9a1c8fc36ed94f53f_***_Michael Charlton
221a41b7ae9b8a15e8a4e5cfbcc2881d_***_Liam Dodd
4a4149ebce588e432f310f4ab44dd82a_***_Dirk van der Werf
0c72afb63bd0c6089fc5b60bd096103e_***_Christopher Baker
author Michael Charlton
Liam Dodd
Dirk van der Werf
Christopher Baker
author2 P. Blumer
Michael Charlton
M. Chung
P. Cladé
P. Comini
P. Crivelli
O. Dalkarov
P. Debu
Liam Dodd
A. Douillet
S. Guellati
P.-A. Hervieux
L. Hilico
A. Husson
P. Indelicato
G. Janka
S. Jonsell
J.-P. Karr
B.H. Kim
E.S. Kim
S.K. Kim
Y. Ko
T. Kosinski
N. Kuroda
B.M. Latacz
B. Lee
H. Lee
J. Lee
A.M.M. Leite
K. Lévêque
E. Lim
L. Liszkay
P. Lotrus
D. Lunney
G. Manfredi
B. Mansoulié
M. Matusiak
G. Mornacchi
V. Nesvizhevsky
F. Nez
S. Niang
R. Nishi
B. Ohayon
K. Park
N. Paul
P. Pérez
S. Procureur
B. Radics
C. Regenfus
J.-M. Reymond
S. Reynaud
J.-Y. Roussé
O. Rousselle
A. Rubbia
J. Rzadkiewicz
Y. Sacquin
F. Schmidt-Kaler
M. Staszczak
K. Szymczyk
T. Tanaka
B. Tuchming
B. Vallage
A. Voronin
Dirk van der Werf
S. Wolf
D. Won
S. Wronka
Y. Yamazaki
K.H. Yoo
P. Yzombard
Christopher Baker
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container_title Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
container_volume 1040
container_start_page 167263
publishDate 2022
institution Swansea University
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doi_str_mv 10.1016/j.nima.2022.167263
publisher Elsevier BV
college_str Faculty of Science and Engineering
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description We present a description of the GBAR positron (e+) trapping apparatus, which consists of a three stage Buffer Gas Trap (BGT) followed by a High Field Penning Trap (HFT), and discuss its performance. The overall goal of the GBAR experiment is to measure the acceleration of the neutral antihydrogen (H) atom in the terrestrial gravitational field by neutralising a positive antihydrogen ion (H+), which has been cooled to a low temperature, and observing the subsequent annihilation following free fall. To produce one ion H+, about 10**10 positrons, efficiently converted into positronium (Ps), together with about antiprotons (p), are required. The positrons, produced from an electron linac-based system, are accumulated first in the BGT whereafter they are stacked in the ultra-high vacuum HFT, where we have been able to trap 1.4(2) x 10**9 positrons in 1100 s.
published_date 2022-10-01T04:18:59Z
_version_ 1763754261475229696
score 11.013641

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