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Featured researches published by G. Beer.


Physical Review Letters | 1997

Observation of Kaonic Hydrogen K α X Rays

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

We have measured the shift and width of the kaonic hydrogen 1s state due to the {ovr 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 {Delta}E(1s)=-323{plus_minus}63(stat){plus_minus}11(syst)eV (repulsive) and {Gamma}(1s)=407{plus_minus}208(stat){plus_minus}100(syst)eV,respectively. {copyright} {ital 1997} {ital The American Physical Society}


Progress of Theoretical and Experimental Physics | 2012

The K1.8BR spectrometer system at J-PARC

K. Agari; S. Ajimura; G. Beer; Hyoungchan Bhang; Mario Bragadireanu; P. Buehler; L. Busso; M. Cargnelli; Seonho Choi; Catalina Curceanu; S. Enomoto; D. Faso; Y. Fujiwara; T. Fukuda; Carlo Guaraldo; Tadashi Hashimoto; R. Hayano; T. Hiraiwa; Erina Hirose; M. Ieiri; M. Iio; Mihai Iliescu; K. Inoue; Y. Ishiguro; Takashi Ishikawa; Shigeru Ishimoto; T. Ishiwatari; K. Itahashi; M. Iwai; M. Iwasaki

A new spectrometer system was designed and constructed at the secondary beam line K1.8BR in the hadron hall of J-PARC to investigate


International Journal of Modern Physics A | 2005

KAONIC HYDROGEN MEASUREMENT WITH DEAR AT DAΦNE

M. Cargnelli; G. Beer; A. M. Bragadireanu; C. Curceanu; J.-P. Egger; H. Fuhrmann; C. Guaraldo; M. Iliescu; T. Ishiwatari; K. Itahashi; M. Iwasaki; P. Kienle; Takahisa Koike; B. Lauss; V. Lucherini; L. Ludhova; J. Marton; F. Mulhauser; T. Ponta; L.A. Schaller; Ryoichi Seki; D. Sirghi; F. Sirghi; J. Zmeskal

\bar K N


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1998

A new approach to measure kaonic hydrogen X-rays

Satoshi Nakamura; M. Iwasaki; K. Bartlett; G. Beer; D. R. Gill; R. Hayano; Tsuyoshi Ito; M. Kuwata; L. Lee; G.R. Mason; H. Ohkubo; A. Olin; H. Outa; M. Salomon; Ryoichi Seki; Kenji Shibuya; T. Taniguchi; Tomoki P. Terada; G. Trayling; T. Watanabe; Y. Yamashita; S. Yen

interactions and


Hyperfine Interactions | 2001

Ramsauer–Townsend Effect in Solid Hydrogen

F. Mulhauser; A. Adamczak; G. Beer; V. M. Bystritsky; M. Filipowicz; M. C. Fujiwara; T. M. Huber; R. Jacot-Guillarmod; P. Kammel; S. K. Kim; Paul E. Knowles; A. R. Kunselman; M. Maier; V. E. Markushin; G. M. Marshall; A. Olin; C. Petitjean; T. A. Porcelli; V. A. Stolupin; J. Woźniak; Johann Zmeskal

\bar K


Nuclear Physics | 2007

Precision spectroscopy of kaonic helium-4 X-rays

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

-nuclear bound systems. The spectrometer consists of a high precision beam line spectrometer, a liquid


Hyperfine Interactions | 2001

Advantages and Limitations of Solid Layer Experiments in Muon Catalyzed Fusion

G. M. Marshall; A. Adamczak; J. M. Bailey; J. L. Beveridge; G. Beer; J. H. Brewer; V. M. Bystritsky; M. P. Faifman; B. M. Forster; M. C. Fujiwara; T. M. Huber; R. Jacot-Guillarmod; P. Kammel; K. R. Kendall; Nazir P. Kherani; S. K. Kim; P. E. Knowles; A. R. Kunselman; M. Maier; V. E. Markushin; Vladimir S. Melezhik; G. R. Mason; F. Mulhauser; A. Olin; C. Petitjean; T.A. Porcelli; L.A. Schaller; V. A. Stolupin; Johann Zmeskal

^3


Hyperfine Interactions | 1999

OBSERVATION OF KAONIC HYDROGEN ATOM X-RAY

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

He/


Hyperfine Interactions | 1999

Study of μ-catalyzed fusion in H-D mixtures

A. Olin; A. Adamczak; G. Beer; V. M. Bystritsky; M. Filipowicz; M. C. Fujiwara; T. M. Huber; R. Jacot-Guillarmod; P. Kammel; S. K. Kim; Paul E. Knowles; A. R. Kunselman; M. Maier; V. E. Markushin; G. M. Marshall; F. Mulhauser; C. Petitjean; T.A. Porcelli; V. A. Stolupin; J. Woźniak; Johann Zmeskal

^4


Nuclear Physics | 1998

Discovery of the repulsive energy shift of the kaonic hydrogen 1s state

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

He/D

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M. Iwasaki

Tokyo Institute of Technology

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M. Cargnelli

Austrian Academy of Sciences

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V. Lucherini

Istituto Nazionale di Fisica Nucleare

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Ryoichi Seki

California Institute of Technology

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J. Marton

Austrian Academy of Sciences

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Johann Zmeskal

Austrian Academy of Sciences

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C. Guaraldo

University of Santiago de Compostela

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M. Iliescu

University of Santiago de Compostela

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