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J Yamaoka

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Articles 218
Citations 392
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Recent Articles
1.
Nanut T, Zupanc A, Adachi I, Aihara H, Al Said S, Asner D, et al.
Phys Rev Lett . 2017 Feb; 118(5):051801. PMID: 28211706
We report the first observation of the radiative charm decay D^{0}→ρ^{0}γ and the first search for CP violation in decays D^{0}→ρ^{0}γ, ϕγ, and K[over ¯]^{*0}(892)γ, using a data sample of...
2.
Mizuk R, Bondar A, Adachi I, Aihara H, Asner D, Atmacan H, et al.
Phys Rev Lett . 2016 Oct; 117(14):142001. PMID: 27740802
Using data collected with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider, we measure the energy dependence of the e^{+}e^{-}→h_{b}(nP)π^{+}π^{-} (n=1, 2) cross sections from thresholds up to 11.02 ...
3.
Yang S, Tanida K, Kim B, Adachi I, Aihara H, Asner D, et al.
Phys Rev Lett . 2016 Jul; 117(1):011801. PMID: 27419562
We report the first observation of the decay Λ_{c}^{+}→pK^{+}π^{-} using a 980  fb^{-1} data sample collected by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. This is the first...
4.
Garmash A, Abdesselam A, Adachi I, Aihara H, Asner D, Aushev T, et al.
Phys Rev Lett . 2016 Jun; 116(21):212001. PMID: 27284649
We report the analysis of the three-body e^{+}e^{-}→BB[over ¯]π^{±}, BB[over ¯]^{*}π^{±}, and B^{*}B[over ¯]^{*}π^{±} processes, including the first observations of the Z_{b}^{±}(10610)→[BB[over ¯]^{*}+c.c.]^{±} and Z_{b}^{±}(10650)→[B^{*}B[over ¯]^{*}]^{±} transitions that are found...
5.
Pal B, Schwartz A, Abdesselam A, Adachi I, Aihara H, Asner D, et al.
Phys Rev Lett . 2016 May; 116(16):161801. PMID: 27152790
We measure the decay B_{s}^{0}→K^{0}K[over ¯]^{0} using data collected at the ϒ(5S) resonance with the Belle detector at the KEKB e^{+}e^{-} collider. The data sample used corresponds to an integrated...
6.
Chang Y, Wang M, Abdesselam A, Adachi I, Adamczyk K, Aihara H, et al.
Phys Rev Lett . 2015 Dec; 115(22):221803. PMID: 26650291
We report the first observation of the decays B^{0}→pΛ[over ¯]D^{(*)-}. The data sample of 711  fb^{-1} used in this analysis corresponds to 772×10^{6} BB[over ¯] pairs, collected at the ϒ(4S)...
7.
Tamponi U, Mussa R, Abdesselam A, Aihara H, Arinstein K, Asner D, et al.
Phys Rev Lett . 2015 Nov; 115(14):142001. PMID: 26551806
Using a sample of 771.6×10(6) ϒϒ(4S) decays collected by the Belle experiment at the KEKB e(+)e(-) collider, we observe, for the first time, the transition ϒ(4S)→ηh(b)(1P) with the branching fraction...
8.
Abdesselam A, Adachi I, Adametz A, Adye T, Ahmed H, Aihara H, et al.
Phys Rev Lett . 2015 Oct; 115(12):121604. PMID: 26430984
We report a measurement of the time-dependent CP asymmetry of B[over ¯]^{0}→D_{CP}^{(*)}h^{0} decays, where the light neutral hadron h^{0} is a π^{0}, η, or ω meson, and the neutral D...
9.
Jaegle I, Adachi I, Aihara H, Al Said S, Asner D, Aushev T, et al.
Phys Rev Lett . 2015 Jun; 114(21):211801. PMID: 26066427
The dark photon A^{'} and the dark Higgs boson h^{'} are hypothetical constituents featured in a number of recently proposed dark sector models. Assuming prompt decays of both dark particles,...
10.
Pesantez L, Urquijo P, Dingfelder J, Abdesselam A, Adachi I, Adamczyk K, et al.
Phys Rev Lett . 2015 May; 114(15):151601. PMID: 25933306
We report the measurement of the direct CP asymmetry in the radiative B¯→X(s+dγ) decay using a data sample of (772 ± 11)×10(6) BB[over ¯] pairs collected at the ϒ(4S) resonance...