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Measurement of cross sections near threshold using initial-state radiation
G. Pakhlova et al.
We report a measurement of exclusive cross sections as a function of center-of-mass energy near threshold with initial-sta…
Precise measurement of hadronic -decays in modes with mesons
The Belle Collaboration, K. Abe
We have measured branching fractions of hadronic decays involving an meson using 485 fb^{-1} of data collected with the Belle detector at the KEKB asymmetric-energy e^+e^-…
On-site underground background measurements for the KASKA reactor-neutrino experiment
H. Furuta, K. Sakuma, M. Aoki +23
On-site underground background measurements were performed for the planned reactor-neutrino oscillation experiment KASKA at Kashiwazaki-Kariwa nuclear power station in Niigata, Jap…
Measurement of the wrong-sign decays D0 -> K+ pi- pi0 and D0 -> K+ pi- pi+ pi-, and search for CP violation
The Belle Collaboration, X. C. Tian
Using 281 fb^-1 of data from the Belle experiment recorded at or near the Upsilon(4S) resonance, we have measured the rates of the ``wrong-sign'' decays D0 -> K+ pi- pi0 and D0 ->…
Improved Evidence for Direct CP Violation in B0 --> pi+ pi- Decays and Model-Independent Constraints on phi_2
Belle Collaboration, K. Abe
We present a new measurement of the time-dependent CP-violating parameters in B0 --> pi+ pi- decays with 275 x 10^6 BB-bar pairs collected with the Belle detector at the KEKB asymm…
Study of decay mechanisms in B- -> Lambda_c+ pbar pi- decay and observation of low mass structure in the (Lambda_c+ pbar) system
The Belle Collaboration, N. Gabyshev
Using a sample of 152 million BBbar pairs accumulated with the Belle detector at the KEKB e+e- collider, we perform a Dalitz plot analysis of the three-body charmed decay B- -> Lam…
Observation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays
The Belle Collaboration, S. -K. Choi, S. L. Olsen
We report the observation of a narrow charmonium-like state produced in the exclusive decay process B+ -> K+ pi+pi- J/psi. This state, which decays into pi+pi- J/psi, has a mass of…
Observation of
A. Ishikawa
We report the first observation of the flavor-changing neutral current decay and an improved measurement of the decay , where $\ell…
Observation of radiative B -> phi K gamma decays
A. Drutskoy
The radiative decay is observed for the first time. The branching fraction for the charged decay mode is measured to be ${\cal B}(B^- \to ϕK^- γ) = (3…
Measurement of the CP Asymmetry in B -> X_s gamma
S. Nishida
Direct CP violation in the b->sgamma process is a sensitive probe of physics beyond the Standard Model. We report a measurement of the CP asymmetry in B -> X_s gamma, where the had…
Observation of B+ -> rho+ rho0
J. Zhang, M. Nakao
We report the first observation of the charmless vector-vector decay process B+ ->rho+ rho0. The measurement uses a 78 fb^{-1} data sample collected with the Belle detector at the…
Development of a PCI Based Data Acquisition Platform for High Intensity Accelerator Experiments
T. Higuchi, H. Fujii, M. Ikeno +21
Data logging at an upgraded KEKB accelerator or the J-PARC facility, currently under commission, requires a high density data acquisition platform with integrated data reduction CP…
Observation of B -> phi phi K
H. -C. Huang
We report the observation of the decay mode B -> phi phi K based on an analysis of 78 fb^{-1} of data collected with the Belle detector at KEKB. This is the first example of a b ->…
Observation of B0 to p Lambdabar pi-
M. -Z. Wang
We report the first observation of the charmless hyperonic B decay, B0 -> p Lambdabar pi-, using a 78 fb^-1 data sample recorded on the Upsilon(4S) resonance with the Belle detecto…
Observation of B0bar --> D0 K0bar and B0bar --> D0 K*0bar decays
P. Krokovny
We report on a search for B0bar --> D0 K(*)0bar decays based on 85 10^6 BBar events collected with the Belle detector at KEKB. The B0bar --> D0 K0bar and B0bar --> D0 K*0bar decays…
Observation of B0bar->Lambda_c+pbar decay
N. Gabyshev, H. Kichimi
We report the measurement of the charmed baryonic decay B0bar->Lambda_c+pbar with a branching fraction of (2.19^{+0.56}_{-0.49}+-0.32+-0.57)x10^{-5} and a statistical significance…
Observation of
K. Abe, The Belle Collaboration
We report the first observation of the decay using 21.3 fb of data collected by the Belle detector at the (4S) resonance. The preliminary result for…