Observation of Kaonic Hydrogen KαX Rays

M. Iwasaki; R. S. Hayano; T. M. Ito; S. N. Nakamura; T. P. Terada; D. R. Gill; L. Lee; A. Olin; M. Salomon; S. Yen; K. Bartlett; G. A. Beer; G. Mason; G. Trayling; H. Outa; T. Taniguchi; Y. Yamashita; R. Seki

doi:10.1103/PhysRevLett.78.3067

Observation of Kaonic Hydrogen K_αX Rays

M. Iwasaki, R. S. Hayano, T. M. Ito, S. N. Nakamura, T. P. Terada, D. R. Gill, L. Lee, A. Olin, M. Salomon, S. Yen, K. Bartlett, G. A. Beer, G. Mason, G. Trayling, H. Outa, T. Taniguchi, Y. Yamashita, R. Seki

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

257 Citations (Scopus)

Abstract

We have measured the shift and width of the kaonic hydrogen 1s state due to the K^-N strong interaction. We have observed, for the first time, distinct K-series kaonic hydrogen x rays with good signal-to-noise ratio in the energy spectrum. The measured energy shift and width were determined to be ΔE(1s) = -323 ± 63(stat) ± 11(syst) eV (repulsive) and γ(1s) = 407 ± 208(stat) ± 100(syst) eV, respectively.

Original language	English
Pages (from-to)	3067-3069
Number of pages	3
Journal	Physical review letters
Volume	78
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.78.3067
Publication status	Published - 1997 Apr 21
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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Observation of Kaonic Hydrogen K_αX Rays. / Iwasaki, M.; Hayano, R. S.; Ito, T. M.; Nakamura, S. N.; Terada, T. P.; Gill, D. R.; Lee, L.; Olin, A.; Salomon, M.; Yen, S.; Bartlett, K.; Beer, G. A.; Mason, G.; Trayling, G.; Outa, H.; Taniguchi, T.; Yamashita, Y.; Seki, R.

In: Physical review letters, Vol. 78, No. 16, 21.04.1997, p. 3067-3069.

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

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title = "Observation of Kaonic Hydrogen KαX Rays",

abstract = "We have measured the shift and width of the kaonic hydrogen 1s state due to the K-N strong interaction. We have observed, for the first time, distinct K-series kaonic hydrogen x rays with good signal-to-noise ratio in the energy spectrum. The measured energy shift and width were determined to be ΔE(1s) = -323 ± 63(stat) ± 11(syst) eV (repulsive) and γ(1s) = 407 ± 208(stat) ± 100(syst) eV, respectively.",

author = "M. Iwasaki and Hayano, {R. S.} and Ito, {T. M.} and Nakamura, {S. N.} and Terada, {T. P.} and Gill, {D. R.} and L. Lee and A. Olin and M. Salomon and S. Yen and K. Bartlett and Beer, {G. A.} and G. Mason and G. Trayling and H. Outa and T. Taniguchi and Y. Yamashita and R. Seki",

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T1 - Observation of Kaonic Hydrogen KαX Rays

AU - Iwasaki, M.

AU - Hayano, R. S.

AU - Ito, T. M.

AU - Nakamura, S. N.

AU - Terada, T. P.

AU - Gill, D. R.

AU - Lee, L.

AU - Olin, A.

AU - Salomon, M.

AU - Yen, S.

AU - Bartlett, K.

AU - Beer, G. A.

AU - Mason, G.

AU - Trayling, G.

AU - Outa, H.

AU - Taniguchi, T.

AU - Yamashita, Y.

AU - Seki, R.

PY - 1997/4/21

Y1 - 1997/4/21

N2 - We have measured the shift and width of the kaonic hydrogen 1s state due to the K-N strong interaction. We have observed, for the first time, distinct K-series kaonic hydrogen x rays with good signal-to-noise ratio in the energy spectrum. The measured energy shift and width were determined to be ΔE(1s) = -323 ± 63(stat) ± 11(syst) eV (repulsive) and γ(1s) = 407 ± 208(stat) ± 100(syst) eV, respectively.

AB - We have measured the shift and width of the kaonic hydrogen 1s state due to the K-N strong interaction. We have observed, for the first time, distinct K-series kaonic hydrogen x rays with good signal-to-noise ratio in the energy spectrum. The measured energy shift and width were determined to be ΔE(1s) = -323 ± 63(stat) ± 11(syst) eV (repulsive) and γ(1s) = 407 ± 208(stat) ± 100(syst) eV, respectively.

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