last updated on 20110502

2010 results

[ CPV | Rare | CKM | Υ(5S) | Charm | New Particles | Tau | Υ(1,2,3S) ]

CPV	Results	fb-1	Paper/Note/Slides
First evidence of ADS B → DK	RDK = [1.62 ± 0.42(stat) +0.16-0.19(syst)]% ADK = -0.39 ± 0.26(stat) +0.06-0.04(syst)	711	arXiv:1103.5951
Search for charge asymmetry in B → J/ψ K±	ACP (B+ &rarr J/&psi K+) = (-0.76 ± 0.50 (stat) ± 0.22 (syst))%	711	arXiv:1008.2567
B → K+ K- KS		605	arXiv:1007.3848
Update of φ3 with Dalitz Plot Analysis of B+ → D(*) K+	φ3 = (78.4+10.8-11.6 ± 3.6(syst) ± 8.9(model))o rB(DK) = 0.160+0.040-0.038 ± 0.011(syst) +0.050-0.010(model) rB(D*K) = 0.196+0.072-0.069 ± 0.012(syst) +0.062-0.012(model) CPV significance: 3.5 σ	605	arXiv:1003.3360

Rare	Results	fb-1	Paper/Note/Slides
Search for LNV B+ → D- l+ l+	Br(D- e+ e+) < 2.7 x 10-6 @ 90% C.L. Br(D- e+ μ+) < 1.9 x 10-6 @ 90% C.L. Br(D- μ+ μ+) < 1.1 x 10-6 @ 90% C.L.	711	ICHEP2010
Improved Measurement of the Electroweak Penguin Process B → Xs l+l-	N(Xs l+l-) = 238.3 ± 26.4 ± 2.3 Br(B → Xs l+l-) = (3.33 ± 0.80 +0.19-0.24) 10-6	605	LP09
B+ → φ K+ γ and B0 → φ KS γ decays (BR and CPV)	S = +0.74+0.72-1.05 (stat)+0.10-0.24 (syst) A = +0.35 ±0.58(stat)+0.23-0.10 (syst)	700	arXiv:1104.5590
Study of inclusive B → Xs η	Partial Br for M(Xs)=0.4-2.6 GeV/c2 Br(B → Xs η) = (26.1 ± 3.0 +1.9-2.1 (syst) +4.0-7.1(model)) 10-5 ACP (B → Xs η; MXs < 2.6 GeV/c2) = -0.13 ± 0.04 (stat) +0.02-0.03 (syst)	605	arXiv:0910.4751
First observation of B+ → p Λ D0	Br(B- → pbar Λ D0) = (14.01 +2.67-2.40 ± 1.58) x 10-6	605	ICHEP2010
Study of B → Ds h decays	Br(B0 → Ds π-) = (1.99 ± 0.26(stat) ± 0.18(syst)) 10-5 Br(B0 → Ds K+) = (1.91 ± 0.24(stat) ± 0.17(syst)) 10-5	605	arXiv:1007.4619
Study of B → Ds* h decays	Br(B0 → Ds* π-) = (1.75 ± 0.33(stat) ± 0.17(syst) ± 0.10(Br)) 10-5 Br(B0 → Ds* K+) = (2.02 ± 0.33(stat) ± 0.18(syst) ± 0.14(Br)) 10-5	605	arXiv:0912.2594

CKM	Results	fb-1	Paper/Note/Slides
Vub with π+ l ν	Br (B0 → π- l+ ν) = (1.49 ± 0.04stat ± 0.07 syst) × 10-4 |Vub| = (3.43 ± 0.33) × 10-3	605	arXiv:1012.0090
Vcb with D*+ l ν	ρ2 = 1.214 ± 0.034 ± 0.009 R1(1) = 1.401 ± 0.034 ± 0.018 R2(1) = 0.864 ± 0.024 ± 0.008 F(1) |Vcb| = (34.5 ± 0.2 ± 1.0) 10-3	711	arXiv:1010.5620
B → D(*)0 τ ν	Br (B → D*0 τ ν) = (2.12 -0.27+0.28(stat) ±0.29(syst) )% Br (B → D0 τ ν) = (0.77 ±0.22(stat) ±0.12(syst) )%	605	arXiv:1005.2302

Υ(5S)	Results	fb-1	Paper/Note/Slides
Search for Bs → J/ψ f0 (980)	Br(Bs0→J/ψf0(980)) × Br (f0→ π+π−) < 1.63 × 10−5 @ 90% CL	23.6	FPCP10
Bs → D(*)s D(*)s and constraint on Δ Γs/Γs	Br(Bs0 → Ds(*)+Ds(*)-) = (6.9 -1.3+1.5(stat) ±1.9 (syst) ) % ΔΓs/Γs = (14.7 -3.0+3.6(stat)-4.2+4.4(syst) ±0.4 (CP-odd syst))%	23.6	arXiv:1005.5177

Charm	Results	fb-1	Paper/Note/Slides
Search for CP Violation in the decays D &rarr KS0P	ACP(KS0 π0) = (-0.28 ± 0.19 ± 0.10)% ACP(KS0 η) = (+0.54 ± 0.51 ± 0.13)% ACP(KS0 η') = (+0.90 ± 0.67 ± 0.15)%	791	arXiv:1101.3365
ACP difference between D+ &rarr φ π+ and Ds+ &rarr φ π+	ΔACP = (0.62 ± 0.30 ± 0.15)%	854	ICHEP2010
Search for 1P → 1S radiative transitions of D mesons	Br(B- → D10 π-) × Br(D10 → D0 γ) = (5.0 ± 0.5(stat) ± 1.5(syst)) × 10-5	605	ICHEP2010
γγ → ηc(2S) → 6 prong	ηc(2S) observed in 6π, 2K4π and KSK3π	923	ICHEP2010

New Particles	Results	fb-1	Paper/Note/Slides
Observation of X(3872) → J/ψ γ and Search for X(3872) → ψ' γ	Br(B+ → X(3872) K+, X → J/ψ γ) = (1.78±0.46(stat.)±0.12(syst.)) × 10−6 Br(B+ → X(3872) K+, X → ψ' γ) < 3.4 10-6 @ 90%C.L.	711	arXiv:1105.0177

Tau	Results	fb-1	Paper/Note/Slides
Search for LFV τ decay into l V0 (V0 = ρ, φ, ω, K*0, K*0bar)	Br(τ → lV0) < (1.2-8.4) x 10-8 @ 90% C.L.	854	arXiv:1101.0755
Search for LFV τ decay into l P0 (P0 = π0, η, η')	Br(τ → lP0) < (2.2-4.4) x 10-8 @ 90% C.L.	901	ICHEP2010
CP violation in τ → ν KS π	| Im(ηs) | < 0.05-0.2 at 90% C.L.	700	arXiv:1101.0349

Υ(1,2,3S)	Results	fb-1	Paper/Note/Slides
Search for charmonium and charmonium-like states in Υ(1S) radiative decays	Limits on Υ(1S) → γR, where R is χc0, χc1, χc2, ηc, X(3872), X(3915) and Y(4140)	5.7	arXiv:1008.1774