A naturally occurring trap for antiprotons

J. Eades; N. Morita; T. M. Ito; Y. Ito; A. Kawachi; S. N. Nakamura; R. S. Hayano; M. Iwasaki; K. Shigaki; H. Tamura; I. Sugai; E. Widmann; T. Yamazaki; W. Higemoto; N. Nishida; F. J. Hartmann; H. Daniel; T. von Egidy; P. Hofmann; Y. S. Kim

doi:10.1007/BF00567268

A naturally occurring trap for antiprotons

J. Eades
, N. Morita
, T. M. Ito
, Y. Ito
, A. Kawachi
, S. N. Nakamura
, R. S. Hayano
, M. Iwasaki
, K. Shigaki
, H. Tamura
, I. Sugai
, E. Widmann
, T. Yamazaki
, W. Higemoto
, N. Nishida
, F. J. Hartmann
, H. Daniel
, T. von Egidy
, P. Hofmann
, Y. S. Kim

Chair of Physics I

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

1 Scopus citations

Abstract

The phenomenon of delayed annihilation of antiprotons in helium is the first instance of a naturally occurring trap for antimatter in ordinary matter. Recent studies of this effect at CERN are summarised, and plans are described for laser excitation experiments to test its interpretation in terms of metastable exotic helium atom formation.

Original language	English
Pages (from-to)	227-237
Number of pages	11
Journal	Hyperfine Interactions
Volume	81
Issue number	1-4
DOIs	https://doi.org/10.1007/BF00567268
State	Published - Mar 1993

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Eades, J., Morita, N., Ito, T. M., Ito, Y., Kawachi, A., Nakamura, S. N., Hayano, R. S., Iwasaki, M., Shigaki, K., Tamura, H., Sugai, I., Widmann, E., Yamazaki, T., Higemoto, W., Nishida, N., Hartmann, F. J., Daniel, H., von Egidy, T., Hofmann, P., & Kim, Y. S. (1993). A naturally occurring trap for antiprotons. Hyperfine Interactions, 81(1-4), 227-237. https://doi.org/10.1007/BF00567268

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title = "A naturally occurring trap for antiprotons",

abstract = "The phenomenon of delayed annihilation of antiprotons in helium is the first instance of a naturally occurring trap for antimatter in ordinary matter. Recent studies of this effect at CERN are summarised, and plans are described for laser excitation experiments to test its interpretation in terms of metastable exotic helium atom formation.",

author = "J. Eades and N. Morita and Ito, \{T. M.\} and Y. Ito and A. Kawachi and Nakamura, \{S. N.\} and Hayano, \{R. S.\} and M. Iwasaki and K. Shigaki and H. Tamura and I. Sugai and E. Widmann and T. Yamazaki and W. Higemoto and N. Nishida and Hartmann, \{F. J.\} and H. Daniel and \{von Egidy\}, T. and P. Hofmann and Kim, \{Y. S.\}",

year = "1993",

month = mar,

doi = "10.1007/BF00567268",

language = "English",

volume = "81",

pages = "227--237",

journal = "Hyperfine Interactions",

issn = "0304-3834",

publisher = "Springer Nature",

number = "1-4",

}

Eades, J, Morita, N, Ito, TM, Ito, Y, Kawachi, A, Nakamura, SN, Hayano, RS, Iwasaki, M, Shigaki, K, Tamura, H, Sugai, I, Widmann, E, Yamazaki, T, Higemoto, W, Nishida, N, Hartmann, FJ, Daniel, H, von Egidy, T, Hofmann, P & Kim, YS 1993, 'A naturally occurring trap for antiprotons', Hyperfine Interactions, vol. 81, no. 1-4, pp. 227-237. https://doi.org/10.1007/BF00567268

TY - JOUR

T1 - A naturally occurring trap for antiprotons

AU - Eades, J.

AU - Morita, N.

AU - Ito, T. M.

AU - Ito, Y.

AU - Kawachi, A.

AU - Nakamura, S. N.

AU - Hayano, R. S.

AU - Iwasaki, M.

AU - Shigaki, K.

AU - Tamura, H.

AU - Sugai, I.

AU - Widmann, E.

AU - Yamazaki, T.

AU - Higemoto, W.

AU - Nishida, N.

AU - Hartmann, F. J.

AU - Daniel, H.

AU - von Egidy, T.

AU - Hofmann, P.

AU - Kim, Y. S.

PY - 1993/3

Y1 - 1993/3

N2 - The phenomenon of delayed annihilation of antiprotons in helium is the first instance of a naturally occurring trap for antimatter in ordinary matter. Recent studies of this effect at CERN are summarised, and plans are described for laser excitation experiments to test its interpretation in terms of metastable exotic helium atom formation.

AB - The phenomenon of delayed annihilation of antiprotons in helium is the first instance of a naturally occurring trap for antimatter in ordinary matter. Recent studies of this effect at CERN are summarised, and plans are described for laser excitation experiments to test its interpretation in terms of metastable exotic helium atom formation.

UR - https://www.scopus.com/pages/publications/34250084492

U2 - 10.1007/BF00567268

DO - 10.1007/BF00567268

M3 - Article

AN - SCOPUS:34250084492

SN - 0304-3834

VL - 81

SP - 227

EP - 237

JO - Hyperfine Interactions

JF - Hyperfine Interactions

IS - 1-4

ER -

A naturally occurring trap for antiprotons

Abstract

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