The ASACUSA CUSP: an antihydrogen experiment

N. Kuroda; S. Ulmer; D. J. Murtagh; S. Van Gorp; Y. Nagata; M. Diermaier; S. Federmann; M. Leali; C. Malbrunot; V. Mascagna; O. Massiczek; K. Michishio; T. Mizutani; A. Mohri; H. Nagahama; M. Ohtsuka; B. Radics; S. Sakurai; C. Sauerzopf; K. Suzuki; M. Tajima; H. A. Torii; L. Venturelli; B. Wünschek; J. Zmeskal; N. Zurlo; H. Higaki; Y. Kanai; E. Lodi Rizzini; Y. Nagashima; Y. Matsuda; E. Widmann; Y. Yamazaki

doi:10.1007/s10751-015-1205-1

The ASACUSA CUSP: an antihydrogen experiment

N. Kuroda^*, S. Ulmer, D. J. Murtagh, S. Van Gorp, Y. Nagata, M. Diermaier, S. Federmann, M. Leali, C. Malbrunot, V. Mascagna, O. Massiczek, K. Michishio, T. Mizutani, A. Mohri, H. Nagahama, M. Ohtsuka, B. Radics, S. Sakurai, C. Sauerzopf, K. SuzukiM. Tajima, H. A. Torii, L. Venturelli, B. Wünschek, J. Zmeskal, N. Zurlo, H. Higaki, Y. Kanai, E. Lodi Rizzini, Y. Nagashima, Y. Matsuda, E. Widmann, Y. Yamazaki

^*Corresponding author for this work

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

5 Citations (Scopus)

Abstract

In order to test CPT symmetry between antihydrogen and its counterpart hydrogen, the ASACUSA collaboration plans to perform high precision microwave spectroscopy of ground-state hyperfine splitting of antihydrogen atom in-flight. We have developed an apparatus (“cusp trap”) which consists of a superconducting anti-Helmholtz coil and multiple ring electrodes. For the preparation of slow antiprotons and positrons, Penning-Malmberg type traps were utilized. The spectrometer line was positioned downstream of the cusp trap. At the end of the beamline, an antihydrogen beam detector was located, which comprises an inorganic Bismuth Germanium Oxide (BGO) single-crystal scintillator housed in a vacuum duct and surrounding plastic scintillators. A significant fraction of antihydrogen atoms flowing out the cusp trap were detected.

Original language	English
Pages (from-to)	13-20
Number of pages	8
Journal	Hyperfine Interactions
Volume	235
Issue number	1-3
DOIs	https://doi.org/10.1007/s10751-015-1205-1
Publication status	Published - 2015 Nov 1
Externally published	Yes

Keywords

Antihydrogen
Atomic beam
CPT invariance
Rydberg atom

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics
Condensed Matter Physics
Physical and Theoretical Chemistry

Access to Document

10.1007/s10751-015-1205-1

Cite this

Kuroda, N., Ulmer, S., Murtagh, D. J., Van Gorp, S., Nagata, Y., Diermaier, M., Federmann, S., Leali, M., Malbrunot, C., Mascagna, V., Massiczek, O., Michishio, K., Mizutani, T., Mohri, A., Nagahama, H., Ohtsuka, M., Radics, B., Sakurai, S., Sauerzopf, C., ... Yamazaki, Y. (2015). The ASACUSA CUSP: an antihydrogen experiment. Hyperfine Interactions, 235(1-3), 13-20. https://doi.org/10.1007/s10751-015-1205-1

Kuroda, N, Ulmer, S, Murtagh, DJ, Van Gorp, S, Nagata, Y, Diermaier, M, Federmann, S, Leali, M, Malbrunot, C, Mascagna, V, Massiczek, O, Michishio, K, Mizutani, T, Mohri, A, Nagahama, H, Ohtsuka, M, Radics, B, Sakurai, S, Sauerzopf, C, Suzuki, K, Tajima, M, Torii, HA, Venturelli, L, Wünschek, B, Zmeskal, J, Zurlo, N, Higaki, H, Kanai, Y, Rizzini, EL, Nagashima, Y, Matsuda, Y, Widmann, E & Yamazaki, Y 2015, 'The ASACUSA CUSP: an antihydrogen experiment', Hyperfine Interactions, vol. 235, no. 1-3, pp. 13-20. https://doi.org/10.1007/s10751-015-1205-1

@article{e3c2258ff50d44cb9c37913d406346c1,

title = "The ASACUSA CUSP: an antihydrogen experiment",

abstract = "In order to test CPT symmetry between antihydrogen and its counterpart hydrogen, the ASACUSA collaboration plans to perform high precision microwave spectroscopy of ground-state hyperfine splitting of antihydrogen atom in-flight. We have developed an apparatus (“cusp trap”) which consists of a superconducting anti-Helmholtz coil and multiple ring electrodes. For the preparation of slow antiprotons and positrons, Penning-Malmberg type traps were utilized. The spectrometer line was positioned downstream of the cusp trap. At the end of the beamline, an antihydrogen beam detector was located, which comprises an inorganic Bismuth Germanium Oxide (BGO) single-crystal scintillator housed in a vacuum duct and surrounding plastic scintillators. A significant fraction of antihydrogen atoms flowing out the cusp trap were detected.",

keywords = "Antihydrogen, Atomic beam, CPT invariance, Rydberg atom",

author = "N. Kuroda and S. Ulmer and Murtagh, {D. J.} and {Van Gorp}, S. and Y. Nagata and M. Diermaier and S. Federmann and M. Leali and C. Malbrunot and V. Mascagna and O. Massiczek and K. Michishio and T. Mizutani and A. Mohri and H. Nagahama and M. Ohtsuka and B. Radics and S. Sakurai and C. Sauerzopf and K. Suzuki and M. Tajima and Torii, {H. A.} and L. Venturelli and B. W{\"u}nschek and J. Zmeskal and N. Zurlo and H. Higaki and Y. Kanai and Rizzini, {E. Lodi} and Y. Nagashima and Y. Matsuda and E. Widmann and Y. Yamazaki",

note = "Publisher Copyright: {\textcopyright} 2015, Springer International Publishing Switzerland.",

year = "2015",

month = nov,

day = "1",

doi = "10.1007/s10751-015-1205-1",

language = "English",

volume = "235",

pages = "13--20",

journal = "Hyperfine Interaction",

issn = "0304-3843",

publisher = "Springer Netherlands",

number = "1-3",

}

TY - JOUR

T1 - The ASACUSA CUSP

T2 - an antihydrogen experiment

AU - Kuroda, N.

AU - Ulmer, S.

AU - Murtagh, D. J.

AU - Van Gorp, S.

AU - Nagata, Y.

AU - Diermaier, M.

AU - Federmann, S.

AU - Leali, M.

AU - Malbrunot, C.

AU - Mascagna, V.

AU - Massiczek, O.

AU - Michishio, K.

AU - Mizutani, T.

AU - Mohri, A.

AU - Nagahama, H.

AU - Ohtsuka, M.

AU - Radics, B.

AU - Sakurai, S.

AU - Sauerzopf, C.

AU - Suzuki, K.

AU - Tajima, M.

AU - Torii, H. A.

AU - Venturelli, L.

AU - Wünschek, B.

AU - Zmeskal, J.

AU - Zurlo, N.

AU - Higaki, H.

AU - Kanai, Y.

AU - Rizzini, E. Lodi

AU - Nagashima, Y.

AU - Matsuda, Y.

AU - Widmann, E.

AU - Yamazaki, Y.

PY - 2015/11/1

Y1 - 2015/11/1

N2 - In order to test CPT symmetry between antihydrogen and its counterpart hydrogen, the ASACUSA collaboration plans to perform high precision microwave spectroscopy of ground-state hyperfine splitting of antihydrogen atom in-flight. We have developed an apparatus (“cusp trap”) which consists of a superconducting anti-Helmholtz coil and multiple ring electrodes. For the preparation of slow antiprotons and positrons, Penning-Malmberg type traps were utilized. The spectrometer line was positioned downstream of the cusp trap. At the end of the beamline, an antihydrogen beam detector was located, which comprises an inorganic Bismuth Germanium Oxide (BGO) single-crystal scintillator housed in a vacuum duct and surrounding plastic scintillators. A significant fraction of antihydrogen atoms flowing out the cusp trap were detected.

AB - In order to test CPT symmetry between antihydrogen and its counterpart hydrogen, the ASACUSA collaboration plans to perform high precision microwave spectroscopy of ground-state hyperfine splitting of antihydrogen atom in-flight. We have developed an apparatus (“cusp trap”) which consists of a superconducting anti-Helmholtz coil and multiple ring electrodes. For the preparation of slow antiprotons and positrons, Penning-Malmberg type traps were utilized. The spectrometer line was positioned downstream of the cusp trap. At the end of the beamline, an antihydrogen beam detector was located, which comprises an inorganic Bismuth Germanium Oxide (BGO) single-crystal scintillator housed in a vacuum duct and surrounding plastic scintillators. A significant fraction of antihydrogen atoms flowing out the cusp trap were detected.

KW - Antihydrogen

KW - Atomic beam

KW - CPT invariance

KW - Rydberg atom

UR - http://www.scopus.com/inward/record.url?scp=84957436062&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84957436062&partnerID=8YFLogxK

U2 - 10.1007/s10751-015-1205-1

DO - 10.1007/s10751-015-1205-1

M3 - Article

AN - SCOPUS:84957436062

SN - 0304-3843

VL - 235

SP - 13

EP - 20

JO - Hyperfine Interaction

JF - Hyperfine Interaction

IS - 1-3

ER -

The ASACUSA CUSP: an antihydrogen experiment

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this