Jun Yong Kim

Cette personne n’est plus à l’EPFL

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Publications associées (148)

Search for double charmonium decays of the P-wave spin-triplet bottomonium states

Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Chao Wang, Jun Yong Kim, Ji Hyun Kim, Xiao Wang, Jing Li

Using a sample of 158 x 10(6) Y(2S) events collected with the Belle detector, we search for the first time for double-charmonium decays of the P-wave spin-triplet bottomonium states (Y(2S) -> gamma chi(bJ), chi(bJ) -> J/psi J/psi, J/psi psi', psi'psi' for ...

American Physical Society2012

Search for charmonium and charmoniumlike states in gamma(2S) radiative decays

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

Using a sample of 158 x 10(6) gamma (2S) events collected with the Belle detector, charmonium and charmoniumlike states with even charge parity are searched for in gamma (2S) radiative decays. No significant chi(cJ) or eta(c) signal is observed, and the fo ...

American Physical Society2011

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

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

American Physical Society2011

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

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

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

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

American Physical Society2011

Observation of B- -> pbar Lambda D0 at Belle

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

We study B- meson decays to (p) over bar Lambda D-(*)0 final states using a sample of 657 x 10(6) B (B) over bar events collected at the Gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The observed branching fra ...

American Physical Society2011

First observation of radiative B0 -> phi K0 gamma decays and measurements of their time-dependent CP violation

Remi Léandre Albert Louvot, Olivier Schneider, Sun Hee Kim, Jun Yong Kim, Ji Hyun Kim, Yiming Li, Jing Li

We report the first observation of the radiative decay B-0 -> phi K-0 gamma using a data sample of 772 x 10(6) B (B) over bar pairs collected at the Gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We observe a s ...

American Physical Society2011

Observation of D+ -> K+eta(()'()) and Search for CP Violation in D+ -> pi(+)eta(()'()) Decays

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

We report the first observation of the doubly Cabibbo-suppressed decays D+ -> K+eta(()'()) using a 791 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The ratio of the branching fractions of doubly Cabi ...

2011

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