Niigata University

output

19922026

most citedSciPy 1.0--Fundamental Algorithms for Scientific Computing in Python

40.2k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 2011 · hep-exShow all

23 papers · 2 filters

hep-ex2011★ 1.2k cited

Indication for the disappearance of reactor electron antineutrinos in the Double Chooz experiment

Y. Abe, C. Aberle, T. Akiri +182

The Double Chooz Experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. A ratio of 0.944 $\pm$ 0.016 (stat) $\pm$ 0…

hep-ex2011★ 610 cited

Observation of two charged bottomonium-like resonances in Y(5S) decays

the Belle Collaboration

We report the observation of two narrow structures in the mass spectra of the pi+-Y(nS) (n=1,2,3) and pi+-hb(mP)(m$ (m=1,2) pairs that are produced in association with a single cha…

hep-ex2011★ 12 cited

Evidence for Direct CP Violation in $B^{\pm} \to η h^{\pm}$ and Observation of $B^{0} \to η K^{0}$

C. -T. Hoi, P. Chang

We report measurements of the branching fractions and CP asymmetries for B^+- -> eta h^+- (h = K or pi) and the observation of the decay B^0 -> eta K^0 from the final data sample o…

hep-ex2011★ 21 cited

Search for CP Violation in D Meson Decays to phi pi+

Belle Collaboration, M. Starič, H. Aihara +132

We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP violating asymmetries for the Cabibbo-suppressed decays D+ -> K+K…

hep-ex2011★ 103 cited

Study of Non-Standard Neutrino Interactions with Atmospheric Neutrino Data in Super-Kamiokande I and II

G. Mitsuka, K. Abe, Y. Hayato +104

In this paper we study non-standard neutrino interactions as an example of physics beyond the standard model using atmospheric neutrino data collected during the Super-Kamiokande I…

hep-ex2011★ 114 cited

Search for n-nbar oscillation in Super-Kamiokande

Kamiokande collaboration, K. Abe, Y. Hayato +135

A search for neutron-antineutron ( $n - n ˉ$ ) oscillation was undertaken in Super-Kamiokande using the 1489 live-day or $2.45 \times 1 0^{34}$ neutron-year exposure data. This proc…

hep-ex2011★ 16 cited

Search for charmonium and charmonium-like states in Υ(2S) radiative decays

X. L. Wang, C. P. Shen, C. Z. Yuan +2

Using a sample of 158 million Υ(2S) events collected with the Belle detector, charmonium and charmonium-like states with even charge parity are searched for in Υ(2S) radiative deca…

hep-ex2011★ 13 cited

Observation of B- to pbar Lambda D0 at Belle

P. Chen, M. -Z. Wang, I. Adachi +137

We study B- meson decays to pbar Lambda D(*)0 final states using a sample of 657 * 10^6 B Bbar events collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asy…

hep-ex2011★ 13 cited

A Study of Reactor Neutrino Monitoring at Experimental Fast Reactor JOYO

H. Furuta, Y. Fukuda, T. Hara +19

We carried out a study of neutrino detection at the experimental fast reactor JOYO using a 0.76 tons gadolinium loaded liquid scintillator detector. The detector was set up on the…

hep-ex2011★ 45 cited

Search for Lepton-number-violating B+->D-l+l'+ Decays

O. Seon, Y. J. Kwon, T. Iijima

We perform the first search for lepton-number-violating B+->D-l+l'+ decays, where l and l' stand for e or mu, using 772 x 10^6 BB-bar pairs accumulated at the Upsilon(4S) resonance…

hep-ex2011★ 13 cited

Observation of $D^{+} \to K^{+} η^{(')}$ and Search for CP Violation in $D^{+} \to π^{+} η^{(')}$ Decays

E. Won, B. R. Ko

We report the first observation of the doubly Cabibbo-suppressed decays $D^{+} \to K^{+} η^{(')}$ using a 791 fb $^{- 1}$ data sample collected with the Belle detector at th…

hep-ex2011★ 192 cited

Bounds on the width, mass difference and other properties of X(3872) --> pi+pi-J/psi decays

S. -K. Choi, S. L. Olsen, K. Trabelsi

We present results from a study of X(3872) --> pi+pi- J/psi decays produced via exclusive B--> K X(3872) decays. We determine the mass to be M_X(3872)= (3871.84\pm 0.27 (stat)\pm 0…

hep-ex2011★ 28 cited

Study of B^{+-} -> K^{+-}(K_S K pi)^0 Decay and Determination of eta_c and eta_c(2S) Parameters

Belle collaboration, A. Vinokurova, A. Kuzmin +143

We report the results of a study of $B^{\pm} \to K^{\pm} η_{c}$ and $B^{\pm} \to K^{\pm} η_{c} (2 S)$ decays followed by $η_{c}$ and $η_{c} (2 S)$ decays to $(K_{S} K π)^{0}$ . The results are obtained f…

hep-ex2011★ 150 cited

Observation of $X (3872) \to J / ψ γ$ and search for $X (3872) \to ψ^{'} γ$ in B decays

V. Bhardwaj, K. Trabelsi, J. B. Singh +2

We report a study of $B \to (J / ψ γ) K$ and $B \to (ψ^{'} γ) K$ decay modes using $772 \times 1 0^{6}$ $B B ˉ$ events collected at the Υ(4S)$ resonance with the Belle detector at the KEKB…

hep-ex2011★ 10 cited

First Observation of Radiative B^0 -> ϕK^0 γDecays and Measurements of Their Time-Dependent CP Violation

H. Sahoo, T. E. Browder

We report the first observation of the radiative decay B^0 -> ϕK^0 γusing a data sample of 772 x 10^6 B B-bar pairs collected at the Υ(4S) resonance with the Belle detector at the…

hep-ex2011★ 107 cited

Observation of transverse polarization asymmetries of charged pion pairs in e+e- annihilation near sqrt s=10.58 GeV

A. Vossen, R. Seidl, I. Adachi +97

The interference fragmentation function translates the fragmentation of a quark with a transverse projection of the spin into an azimuthal asymmetry of two final-state hadrons. In…

hep-ex2011★ 152 cited

First observation of the P-wave spin-singlet bottomonium states h_b(1P) and h_b(2P)

Belle Collaboration

We report the first observation of the spin-singlet bottomonium states h_b(1P) and h_b(2P) produced in the reaction e+e- --> hb(nP)pi+pi- using a 121.4fb-1 data sample collected at…

hep-ex2011★ 22 cited

Measurements of time-dependent CP asymmetries in $B \to D^{*\mp} π^{\pm}$ decays using a partial reconstruction technique

S. Bahinipati, K. Trabelsi, K. Kinoshita

We report results on time-dependent CP asymmetries in $B \to D^{*\mp} π^{\pm}$ decays based on a data sample containing 657 {\times} $1 0^{6}$ $B B ˉ$ pairs collected with the Belle…

hep-ex2011★ 60 cited

Observation of $B_{s}^{0} \to J / ψ f_{0} (980)$ and Evidence for $B_{s}^{0} \to J / ψ f_{0} (1370)$

Jin Li

We report the first observation of $B_{s}^{0} \to J / ψ f_{0} (980)$ and first evidence for $B_{s}^{0} \to J / ψ f_{0} (1370)$ , which are CP eigenstate decay modes. These results are obtained from $121.…

hep-ex2011★ 117 cited

Measurement of the decay $B^{0} \to π^{-} ℓ^{+} ν$ and determination of $∣ V_{u b} ∣$

H. Ha, E. Won, I. Adachi +140

We present a measurement of the charmless semileptonic decay $B^{0} \to π^{-} ℓ^{+} ν$ using a data sample containing 657 $\times 1 0^{6}$ $B B ˉ$ events collected with the Belle detector…

hep-ex2011★ 14 cited

Search for CP Violation in the Decays $D^{0} \to K_{S}^{0} P^{0}$

B. R. Ko, E. Won

We have searched for CP violation in the decays $D^{0} \to K_{S}^{0} P^{0}$ where $P^{0}$ denotes a neutral pseudo-scalar meson which is either a $π^{0}$ , $η$ , or $η^{'}$ using KEKB asymme…

hep-ex2011★ 61 cited

Search for Lepton-Flavor-Violating tau Decays into a Lepton and a Vector Meson

Y. Miyazaki

We search for lepton-flavor-violating tau-> ell V^0 decays, where ell is an electron or muon and V^0 is one of the vector mesons rho^0, phi, omega, K*0 and K*0-bar. We use 854 fb^{…

hep-ex2011★ 38 cited

Search for CP violation in tau -> K^0_S pi nu_tau decays at Belle

M. Bischofberger, H. Hayashii, K. Adamczyk +113

We report on a search for CP violation in tau -> K^0_S pi nu_tau decays using a data sample of 699 fb^{-1} collected in the Belle experiment at the KEKB electron-positron asymmetri…

Indication for the disappearance of reactor electron antineutrinos in the Double Chooz experiment

Observation of two charged bottomonium-like resonances in Y(5S) decays

Evidence for Direct CP Violation in B±→ηh± and Observation of B0→ηK0

Search for CP Violation in D Meson Decays to phi pi+

Study of Non-Standard Neutrino Interactions with Atmospheric Neutrino Data in Super-Kamiokande I and II

Search for n-nbar oscillation in Super-Kamiokande

Search for charmonium and charmonium-like states in Υ(2S) radiative decays

Observation of B- to pbar Lambda D0 at Belle

A Study of Reactor Neutrino Monitoring at Experimental Fast Reactor JOYO

Search for Lepton-number-violating B+->D-l+l'+ Decays

Observation of D+→K+η(′) and Search for CP Violation in D+→π+η(′) Decays

Bounds on the width, mass difference and other properties of X(3872) --> pi+pi-J/psi decays

Study of B^{+-} -> K^{+-}(K_S K pi)^0 Decay and Determination of eta_c and eta_c(2S) Parameters

Observation of X(3872)→J/ψγ and search for X(3872)→ψ′γ in B decays

First Observation of Radiative B^0 -> ϕK^0 γDecays and Measurements of Their Time-Dependent CP Violation

Observation of transverse polarization asymmetries of charged pion pairs in e+e- annihilation near sqrt s=10.58 GeV

First observation of the P-wave spin-singlet bottomonium states h_b(1P) and h_b(2P)

Measurements of time-dependent CP asymmetries in B→D∗∓π± decays using a partial reconstruction technique

Observation of Bs0​→J/ψf0​(980) and Evidence for Bs0​→J/ψf0​(1370)

Measurement of the decay B0→π−ℓ+ν and determination of ∣Vub​∣

Search for CP Violation in the Decays D0→KS0​P0

Search for Lepton-Flavor-Violating tau Decays into a Lepton and a Vector Meson

Search for CP violation in tau -> K^0_S pi nu_tau decays at Belle

Evidence for Direct CP Violation in $B^{\pm} \to η h^{\pm}$ and Observation of $B^{0} \to η K^{0}$

Observation of $D^{+} \to K^{+} η^{(')}$ and Search for CP Violation in $D^{+} \to π^{+} η^{(')}$ Decays

Observation of $X (3872) \to J / ψ γ$ and search for $X (3872) \to ψ^{'} γ$ in B decays

Measurements of time-dependent CP asymmetries in $B \to D^{*\mp} π^{\pm}$ decays using a partial reconstruction technique

Observation of $B_{s}^{0} \to J / ψ f_{0} (980)$ and Evidence for $B_{s}^{0} \to J / ψ f_{0} (1370)$

Measurement of the decay $B^{0} \to π^{-} ℓ^{+} ν$ and determination of $∣ V_{u b} ∣$

Search for CP Violation in the Decays $D^{0} \to K_{S}^{0} P^{0}$