Publications related to Search for B→πℓ+ℓ- decays at Belle

B-s(0) Decays at Belle

The large data sample recorded with the Belle detector at the Gamma (5S) energy provides a unique opportunity to study the poorly-known B-s(0) meson. Several analyses, made with a data sample representing an integrated luminosity of 23.6 fb(-1), are presen ...

Iop Publishing Ltd, Dirac House, Temple Back, Bristol Bs1 6Be, England2011

Measurement of the decay B0 -> pi- l+ nu and determination of |Vub|

Olivier Schneider, Yiming Li, Aurelio Bay, Mingkui Wang, Chao Wang, Vladislav Balagura, Sun Hee Kim, Remi Léandre Albert Louvot

We present a measurement of the charmless semileptonic decay B-0 -> pi(-) l(+) nu using a data sample containing 657 x 10(6) B (B) over bar events collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider operating near the Y(4S) re ...

2011

Search for lepton-number-violating B+ -> D- l+ l'+ decays

Olivier Schneider, Yiming Li, Aurelio Bay, Mingkui Wang, Chao Wang, Tagir Aushev, Sun Hee Kim, Jun Yong Kim, Remi Léandre Albert Louvot, Ji Hyun Kim, Jing Li

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) B (B) over bar pairs accumulated at the Y(4S) resonance with the Belle detector at the KEKB e(+)e(-) collider. No eviden ...

2011

Observation of X(3872) -> J/psi gamma and Search for X(3872) -> psi 'gamma in B Decays

Olivier Schneider, Yiming Li, Tagir Aushev, Sun Hee Kim, Jun Yong Kim, Remi Léandre Albert Louvot, Ji Hyun Kim, Xiao Wang

We report a study of B -> (J/psi gamma)K and B -> (psi'gamma)K decay modes using 772 X 10(6) B (B) over bar events collected at the Y(4S) resonance with the Belle detector at the KEKB energy-asymmetric e(+)e(-) collider. We observe X(3872) -> J/psi gamma a ...

2011

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

Olivier Schneider, Yiming Li, Aurelio Bay, Mingkui Wang, Chao Wang, Tagir Aushev, Sun Hee Kim, Jun Yong Kim, Remi Léandre Albert Louvot, Ji Hyun Kim, Xiao Wang, Jing Li, Xuan Li

We present results from a study of X(3872) -> pi pi J/psi decays produced via exclusive B -> KX(3872) decays. We determine the mass to be M-X(3872) = (3871.85 +/- 0.27(stat) +/- 0.19(syst)) MeV, a 90% confidence level upper limit on the natural width of Ga ...

2011

Sensor Networks for Diffusion Fields: Detection of Sources in Space and Time

Martin Vetterli, Ivan Dokmanic, Juri Ranieri, Amina Chebira

Abstract—We consider the problem of reconstructing a diffusion field, such as temperature, from samples collected by a sensor network. Motivated by the fast decay of the eigenvalues of the diffusion equation, we approximate the field by a truncated series. ...

2011

Study of B-+/- -> K-+/-(KSK pi)(0) decay and determination of eta(c) and eta(c)(2S) parameters

Olivier Schneider, Yiming Li, Chao Wang, Tagir Aushev, Vladislav Balagura, Remi Léandre Albert Louvot, Jing Li

We report the results of a study of B KIrk and /II K tic(2S) decays followed by qc and '/c(2S) decays to (K5K7). The results are obtained from a data sample containing 535 million BB-meson pairs collected by the Belle experiment at the KEKB e+e- collider. ...

2011

Conceptual Design Report for a Beta-Beam Facility

Stefania Trovati, Vasilis Vlachoudis, Marco Silari

The Beta-Beam is a concept of large-scale facility that aims at providing pure electronic neutrino and antineutrino beams for the measurement of electron and muon neutrino oscillations. Beta-decaying nuclides are produced in large amounts in a facility of ...

Springer Verlag2011

A proof of Price's Law on Schwarzschild black hole manifolds for all angular momenta

Roland Donninger

Price's Law states that linear perturbations of a Schwarzschild black hole fall off as

t^{-2\ell-3}

for

t \to \infty

provided the initial data decay sufficiently fast at spatial infinity. Moreover, if the perturbations are initially static (i.e., their ...

2011

Search for lepton-flavor-violating τ decays into three leptons with 719 million produced τ+ τ- pairs

Olivier Schneider, Aurelio Bay, Chao Wang, Tagir Aushev, Sun Hee Kim, Remi Léandre Albert Louvot, Ji Hyun Kim, Jing Li

We present a search for lepton-flavor-violating τ decays into three leptons (electrons or muons) using 782 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. No evidence for these decays is observed and we set 90% ...

2010

Search for B→πℓ+ℓ- decays at Belle

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B-s(0) Decays at Belle

Measurement of the decay B0 -> pi- l+ nu and determination of |Vub|

Search for lepton-number-violating B+ -> D- l+ l'+ decays

Observation of X(3872) -> J/psi gamma and Search for X(3872) -> psi 'gamma in B Decays

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

Sensor Networks for Diffusion Fields: Detection of Sources in Space and Time

Study of B-+/- -> K-+/-(KSK pi)(0) decay and determination of eta(c) and eta(c)(2S) parameters

Conceptual Design Report for a Beta-Beam Facility

A proof of Price's Law on Schwarzschild black hole manifolds for all angular momenta

Search for lepton-flavor-violating τ decays into three leptons with 719 million produced τ+ τ- pairs

Search for lepton-number-violating B+ -> D- l+ l'+ decays

Sensor Networks for Diffusion Fields: Detection of Sources in Space and Time

Observation of X(3872) -> J/psi gamma and Search for X(3872) -> psi 'gamma in B Decays

B-s(0) Decays at Belle

Measurement of the decay B0 -> pi- l+ nu and determination of |Vub|

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

Study of B-+/- -> K-+/-(KSK pi)(0) decay and determination of eta(c) and eta(c)(2S) parameters

Conceptual Design Report for a Beta-Beam Facility

A proof of Price's Law on Schwarzschild black hole manifolds for all angular momenta

Search for lepton-flavor-violating τ decays into three leptons with 719 million produced τ+ τ- pairs