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

^*この研究の対応する著者

研究成果: Article › 査読

5 被引用数 (Scopus)

抄録

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.

本文言語	English
ページ（範囲）	13-20
ページ数	8
ジャーナル	Hyperfine Interactions
巻	235
号	1-3
DOI	https://doi.org/10.1007/s10751-015-1205-1
出版ステータス	Published - 2015 11月 1
外部発表	はい

ASJC Scopus subject areas

原子分子物理学および光学
核物理学および高エネルギー物理学
凝縮系物理学
物理化学および理論化学

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10.1007/s10751-015-1205-1

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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

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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",

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day = "1",

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

language = "English",

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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

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The ASACUSA CUSP: an antihydrogen experiment

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