Solving the kaonic-helium puzzle

Ryugo S. Hayano; G. Beer; H. Bhang; M. Cargnelli; J. Chiba; S. Choi; C. Curceanu; Y. Fukuda; T. Hanaki; M. Iio; T. Ishikawa; S. Ishimoto; T. Ishiwatari; K. Itahashi; M. Iwai; M. Iwasaki; B. Juhász; P. Kienle; J. Marton; Y. Matsuda; H. Ohnishi; S. Okada; H. Outa; M. Sato; P. Schmid; S. Suzuki; T. Suzuki; H. Tatsuno; D. Tomono; E. Widmann; T. Yamazaki; H. Yim; J. Zmeskal

doi:10.1142/s021773230802968x

Solving the kaonic-helium puzzle

Ryugo S. Hayano, G. Beer, H. Bhang, M. Cargnelli, J. Chiba, S. Choi, C. Curceanu, Y. Fukuda, T. Hanaki, M. Iio, T. Ishikawa, S. Ishimoto, T. Ishiwatari, K. Itahashi, M. Iwai, M. Iwasaki, B. Juhász, P. Kienle, J. Marton, Y. MatsudaH. Ohnishi, S. Okada, H. Outa, M. Sato, P. Schmid, S. Suzuki, T. Suzuki, H. Tatsuno, D. Tomono, E. Widmann, T. Yamazaki, H. Yim, J. Zmeskal

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

1 Citation (Scopus)

Abstract

We have measured the Balmer-series x-rays of kaonic ⁴He atoms using large-area silicon drift x-ray detectors (SDDs) in order to study the low-energy K̄-nucleus strong interaction. The energy of the 3d → 2p transition was determined to be 6467 ± 3(stat) ± 2(syst) eV. The resulting strong-interaction energy-level shift is in agreement with theoretical calculations, thus eliminating a long-standing discrepancy between theory and experiment.

Original language	English
Pages (from-to)	2505-2511
Number of pages	7
Journal	Modern Physics Letters A
Volume	23
Issue number	27-30
DOIs	https://doi.org/10.1142/s021773230802968x
Publication status	Published - 2008 Sep 30
Externally published	Yes

Keywords

Kaon-baryon interactions
Kaonic X-rays
Mesonic atoms

ASJC Scopus subject areas

Nuclear and High Energy Physics
Astronomy and Astrophysics
Physics and Astronomy(all)

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Hayano, R. S., Beer, G., Bhang, H., Cargnelli, M., Chiba, J., Choi, S., Curceanu, C., Fukuda, Y., Hanaki, T., Iio, M., Ishikawa, T., Ishimoto, S., Ishiwatari, T., Itahashi, K., Iwai, M., Iwasaki, M., Juhász, B., Kienle, P., Marton, J., ... Zmeskal, J. (2008). Solving the kaonic-helium puzzle. Modern Physics Letters A, 23(27-30), 2505-2511. https://doi.org/10.1142/s021773230802968x

Solving the kaonic-helium puzzle. / Hayano, Ryugo S.; Beer, G.; Bhang, H.; Cargnelli, M.; Chiba, J.; Choi, S.; Curceanu, C.; Fukuda, Y.; Hanaki, T.; Iio, M.; Ishikawa, T.; Ishimoto, S.; Ishiwatari, T.; Itahashi, K.; Iwai, M.; Iwasaki, M.; Juhász, B.; Kienle, P.; Marton, J.; Matsuda, Y.; Ohnishi, H.; Okada, S.; Outa, H.; Sato, M.; Schmid, P.; Suzuki, S.; Suzuki, T.; Tatsuno, H.; Tomono, D.; Widmann, E.; Yamazaki, T.; Yim, H.; Zmeskal, J.

In: Modern Physics Letters A, Vol. 23, No. 27-30, 30.09.2008, p. 2505-2511.

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

Hayano, RS, Beer, G, Bhang, H, Cargnelli, M, Chiba, J, Choi, S, Curceanu, C, Fukuda, Y, Hanaki, T, Iio, M, Ishikawa, T, Ishimoto, S, Ishiwatari, T, Itahashi, K, Iwai, M, Iwasaki, M, Juhász, B, Kienle, P, Marton, J, Matsuda, Y, Ohnishi, H, Okada, S, Outa, H, Sato, M, Schmid, P, Suzuki, S, Suzuki, T, Tatsuno, H, Tomono, D, Widmann, E, Yamazaki, T, Yim, H & Zmeskal, J 2008, 'Solving the kaonic-helium puzzle', Modern Physics Letters A, vol. 23, no. 27-30, pp. 2505-2511. https://doi.org/10.1142/s021773230802968x

Hayano, Ryugo S. ; Beer, G. ; Bhang, H. ; Cargnelli, M. ; Chiba, J. ; Choi, S. ; Curceanu, C. ; Fukuda, Y. ; Hanaki, T. ; Iio, M. ; Ishikawa, T. ; Ishimoto, S. ; Ishiwatari, T. ; Itahashi, K. ; Iwai, M. ; Iwasaki, M. ; Juhász, B. ; Kienle, P. ; Marton, J. ; Matsuda, Y. ; Ohnishi, H. ; Okada, S. ; Outa, H. ; Sato, M. ; Schmid, P. ; Suzuki, S. ; Suzuki, T. ; Tatsuno, H. ; Tomono, D. ; Widmann, E. ; Yamazaki, T. ; Yim, H. ; Zmeskal, J. / Solving the kaonic-helium puzzle. In: Modern Physics Letters A. 2008 ; Vol. 23, No. 27-30. pp. 2505-2511.

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Solving the kaonic-helium puzzle

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Keywords

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