A.S. Levchenko
Russian Academy of Sciences
10 Papers
48 Citations
A.S. Levchenko is an academic researcher from Russian Academy of Sciences. The author has contributed to research in topics: Dalitz plot & Muon. The author has an hindex of 6, co-authored 10 publications.
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Papers
Measurement of Γ(Kμ3)/Γ(Ke3) ratio using stopped positive kaons
K. Horie,S. Shimizu,M. Abe,Masato Aoki,I. Arai,Y. Asano,T. Baker,M. Blecher,M. D. Chapman,P. Depommier,M. D. Hasinoff,Hsuan Cheng Huang,Y. Igarashi,Tokihiro Ikeda,J. Imazato,A. P. Ivashkin,M. M. Khabibullin,A. N. Khotjantsev,Yu. G. Kudenko,Yoshitaka Kuno,Jae Man Lee,K. S. Lee,A.S. Levchenko,G.Y. Lim,J. A. Macdonald,C.R. Mindas,Oleg Mineev,Y. H. Shin,Y.-M. Shin,A. Suzuki,A. Watanabe,T. Yokoi +31 more
TL;DR: In this paper, the Γ( K μ 3 )/ Γ ( K e 3 ) ratio was obtained to be 0.671±0.007(stat.)±0.008(syst.) calculating the detector acceptance by a Monte Carlo simulation.
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Measurement of direct photon emission in K+→π+π0γ decay using stopped positive kaons
M. A. Aliev,Y. Asano,T. Baker,P. Depommier,M. D. Hasinoff,K. Horie,Y. Igarashi,J. Imazato,A. Ivashkin,M. M. Khabibullin,A. N. Khotjantsev,Yu. G. Kudenko,A.S. Levchenko,G.Y. Lim,J. A. Macdonald,Oleg Mineev,Chary Rangacharyulu,S. Sawada,S. Shimizu +18 more
TL;DR: In this article, the radiative decay K + → π + π 0 γ (K π 2 γ ) has been measured with stopped positive kaons, and the branching ratio of the direct photon emission process was determined to be [6.1±2.5(stat.)±1.9(syst.)]×10 −6.
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First measurement of the T-violating muon polarization in the decay K + -->μ + νγ
V. V. Anisimovsky,A. N. Khotjantsev,A. P. Ivashkin,M. Abe,M. A. Aliev,Masaharu Aoki,Y. Asano,M. Blecher,P. Depommier,M. D. Hasinoff,K. Horie,H. C. Huang,Y. Igarashi,J. Imazato,M. M. Khabibullin,Yu. G. Kudenko,Y. Kuno,A.S. Levchenko,G.Y. Lim,J. A. Macdonald,O. V. Mineev,N. Okorokova,Chary Rangacharyulu,S. Shimizu,Y.-M. Shin,N. Yershov,Takeichiro Yokoi +26 more
TL;DR: In this paper, the first measurement of the T-violating transverse muon polarization P T in the decay K + → μ + νγ was presented, where P T = (−0.64±1.85(stat)±0.10(syst))×10 −2.
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Measurement of K+ ---> pi0 pi0 e+ nu (K00(E4)) decay using stopped positive kaons
S. Shimizu,K. Horie,M. A. Aliev,Y. Asano,T. Baker,P. Depommier,M. D. Hasinoff,Y. Igarashi,J. Imazato,A. Ivashkin,M. M. Khabibullin,A. N. Khotjantsev,Yu. Kudenko,A.S. Levchenko,G.Y. Lim,J. A. Macdonald,O. V. Mineev,Chary Rangacharyulu,S. Sawada +18 more
TL;DR: In this article, a comparison of the observed spectra with a Monte Carlo simulation determined the $K{e4}^{00}$ form factor, which is compatible with the K^+ \to \pi^0 \pi+ \pi-e^0 e^+ ǫ+
u$ data, as estimated from the $\Delta I=1/2$ rule.
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Measurement of K+→π0μ+νγ decay using stopped kaons
S. Shimizu,K. Horie,M. A. Aliev,Y. Asano,T. Baker,P. Depommier,M. D. Hasinoff,Y. Igarashi,J. Imazato,A. Ivashkin,M. M. Khabibullin,A. N. Khotjantsev,Yu. G. Kudenko,A.S. Levchenko,G.Y. Lim,J. A. Macdonald,Oleg Mineev,Chary Rangacharyulu,S. Sawada +18 more
TL;DR: In this paper, the K + → π 0 μ + ν γ (K μ 3 γ ) decay has been measured with stopped positive kaons at the KEK 12 GeV proton synchrotron.
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