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Publication
Featured researches published by Ichiro Adachi.
Physical Review D | 2013
A. M. Bakich; A. Sibidanov; B. Yabsley; Ichiro Adachi; H. Aihara; D. M. Asner; V. Aulchenko; T. Aushev; Patrick F. L. Chang; Y Duh; Various et al; G B Mohanty; Yoshinobu Unno; TzungChen Wu
We report measurements of the branching fractions and direct CP asymmetries (ACP) for B→Kπ, ππ and KK decays (but not π0π0) based on the final data sample of 772×106 BB¯ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We set a 90% confidence-level upper limit for K+K- at 2.0×10-7; all other decays are observed with branching fractions ranging from 10-6 to 10-5. In the B0/B¯0→K±π∓ mode, we confirm Belle’s previously reported large ACP with a value of -0.069±0.014±0.007 and a significance of 4.4σ. For all other flavor-specific modes, we find ACP values consistent with zero, including ACP(K+π0)=+0.043±0.024±0.007 with 1.8σ significance. The difference of CP asymmetry between B±→K±π0 and B0/B¯0→K±π∓ is found to be ΔAKπ≡ACP(K+π0)-ACP(K+π-)=+0.112±0.027±0.007 with 4.0σ significance. We also calculate the ratios of partial widths for the B→Kπ decays. Using our results, we test the validity of the sum rule ACP(K+π-)+ACP(K0π+)Γ(K0π+)Γ(K+π-)-ACP(K+π0)2Γ(K+π0)Γ(K+π-)-ACP(K0π0)2Γ(K0π0)Γ(K+π-)=0 and obtain a sum of -0.270±0.132±0.060 with 1.9σ significance.
Physical Review D | 2014
A. M. Bakich; A. Sibidanov; A. Abdesselam; Ichiro Adachi; H. Aihara; S. Al Said; K. Arinstein; D. M. Asner; V. Aulchenko; Yifang Ban; Various et al; C. P. Shen; S.D. Yang
Using data samples of
Physical Review D | 2013
A. M. Bakich; B. Yabsley; Ichiro Adachi; H. Aihara; D. M. Asner; V. Aulchenko; T. Aushev; Melissa Barrett; B. Bhuyan; Alexander E. Bondar; Various et al; R. Mussa; U. Tamponi
102times10^6
Physical Review D | 2013
A. M. Bakich; A. Sibidanov; Kevin Varvell; Ichiro Adachi; H. Aihara; K. Arinstein; D. M. Asner; T. Aushev; K. Belous; Bhardwaj; J. Dingfelder; Various et al; C. Oswald; P. Urquijo
Physical Review D | 2013
A. M. Bakich; A. Sibidanov; B. Yabsley; Ichiro Adachi; H. Aihara; K. Arinstein; D. M. Asner; V. Aulchenko; T. Aushev; A. Bala; J Dalseno; Various et al; C. Kiesling; K. Prothmann
Upsilon(1S)
Physical Review D | 2013
A. M. Bakich; A. Sibidanov; Ichiro Adachi; H. Aihara; D. M. Asner; T. Aushev; A. Bala; Various et al; K Hayasaka; C. P. Shen; P Wang; X.L Wang; C. Z. Yuan
and
Physical Review D | 2013
A. M. Bakich; A. Sibidanov; Ichiro Adachi; H. Aihara; D. M. Asner; V. Aulchenko; T. Aushev; A. Bala; Bhardwaj; B. Bhuyan; Various et al; A. J. Schwartz; E. White
158times10^6
Archive | 2013
A. M. Bakich; A. Sibidanov; Ichiro Adachi; H. Aihara; K. Arinstein; D. M. Asner; T. Aushev; K. Belous; Bhardwaj; B. Bhuyan; Various et al; B. R. Ko; E. Won
Physical Review Letters | 2012
A. M. Bakich; A. Sibidanov; Kevin Varvell; Ichiro Adachi; H. Aihara; D. M. Asner; V. Aulchenko; T. Aushev; T. Aziz; K. Belous; Bhardwaj; Various et al; B. R. Ko; E. Won
Upsilon(2S)
Physical Review D | 2010
A. M. Bakich; S. McOnie; Kevin Varvell; B. Yabsley; Ichiro Adachi; H. Aihara; K. Arinstein; V. Aulchenko; T. A Kh Aushev; T. Aziz; Bhardwaj; M Bischofberger; A. Bozek; M Rozanska
events collected with the Belle detector, a first experimental search has been made for double-charmonium production in the exclusive decays
