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Jun Yong Kim

Cette personne a quitté l’EPFL

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Publications associées (134)

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First measurement of T-odd moments in D-0 -> K-S(0) pi + pi(-)pi(0) decays

Mingkui Wang, Olivier Schneider, Chao Wang, Sun Hee Kim, Tara Nanut, Jun Yong Kim

We report the first measurement of the T-odd moments in the decay D-0 -> K-S(0) pi + pi(-)pi(0) from a data sample corresponding to an integrated luminosity of 966 fb(-1) collected by the Belle experiment at the KEKB asymmetric-energy e(+)e(-) collider. Fr ...

American Physical Society2017

Evidence of a structure in (K)over-bar(0)Lambda(+)(c) consistent with a charged Xi(c)(2930)(+), and updated measurement of (B)over-bar(0) -> (K)over-bar(0)Lambda(+)(c) (Lambda)over-bar(c)(-) at Belle

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim, Roberto Gargiani, Chang-Hyun Park, Seyed Sina Mirrazavi Salehian, Arnaud Michel Gelb, Yong Chan Choi, Gaétan Charles Antoine Giriat, Linlin Cao, Wondwossen Wubie Eshetu, Jiayun Shen

We report evidence for the charged charmed-strange baryon Xi(c)(2930)(+) with a signal significance of 3.9 sigma with systematic errors included. The charged Xi(c)(2930)(+) is found in its decay to K-S(0)Lambda(+)(c) in the substructure of (B) over bar (0) ...

SPRINGER2018

Measurement of the (B)over-bar -> X-s gamma branching fraction with a sum of exclusive decays

Olivier Schneider, Chao Wang, Yiming Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim

We use 772 x 10(6) B (B) over bar meson pairs collected at the gamma(4S) resonance with the Belle detector to measure the branching fraction for (B) over bar -> X-s gamma Our measurement uses a sum-of-exclusives approach in which 38 of the hadronic final s ...

American Physical Society2015

Evidence of gamma(1S) -> J/Psi +chi(c1) and search for double-charmonium production in gamma(1S) and gamma(2S) decays

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Tara Nanut, Jun Yong Kim

Using data samples of 102 x 10(6) gamma(1S) and 158 x 10(6) gamma(2S) events collected with the Belle detector, a first experimental search has been made for double-charmonium production in the exclusive decays gamma(1S, 2S) --> J/psi(psi') + X, where X = ...

American Physical Society2014

Measurement of branching fraction and first evidence of CP violation in B-0 -> a(1)(+/-)(1260)pi(-/+) decays

Olivier Schneider, Chao Wang, Aurelio Bay, Jun Yong Kim, Remi Léandre Albert Louvot

We present a measurement of the branching fraction and time-dependent CP violation parameters in B-0 -> a(1)(+/-)(1260)pi(-/+) decays. The results are obtained from the final data sample containing 772 x 10(6) B (B) over bar pairs collected at the Gamma(4S ...

American Physical Society2012

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

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

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

Measurement of eta(c) (1S), eta(c)(2S), and nonresonant eta 'pi(+)pi(-) production via two-photon collisions

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Tara Nanut, Jun Yong Kim, Roberto Gargiani, Alexandra Bondarenko, Seyed Sina Mirrazavi Salehian, Chunmin Zhang, Arnaud Michel Gelb, Yong Chan Choi, Martin Lubej, Wondwossen Wubie Eshetu, Johannes Julius Thomas Marinus Swartjes

We report the measurement of gamma gamma -> eta(c) (1S) -> eta(c) (2S) -> eta'pi(+)pi(-) with eta' decays to gamma rho and eta pi(+)pi(-) using 941 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The eta(c) ...

American Physical Society2018

Measurement of the tau-lepton Lifetime at Belle

Olivier Schneider, Chao Wang, Jun Yong Kim

The lifetime of the tau lepton is measured using the process e(+) e(-) -> tau(+) tau(-), where both tau leptons decay to 3 pi nu(tau). The result for the mean lifetime, based on 711 fb(-1) of data collected with the Belle detector at the Upsilon(4S) resona ...

Amer Physical Soc2014

First model-independent Dalitz analysis of B-0 -> DK*(0), D -> K-S(0)pi(+)pi(-) decay

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim

We report a measurement of the amplitude ratio r(S) of B-0 -> (DK)-K-0*(0) and B-0 -> (D) over bar K-0*(0) decays with a Dalitz analysis of D -> K-S(0)pi(+)pi(-) decays, for the first time using a model-independent method. We set an upper limit r(S) < 0.87 ...

Oxford University Press (OUP)2016

First Observation of the Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Lambda(+)(c) -> pK(+)pi(-)

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Ho Ling Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim

We report the first observation of the decay Lambda(+)(c) -> pK(+)pi(-) using a 980 fb(-1) data sample collected by the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. This is the first observation of a doubly Cabibbo-suppressed decay of a ...

Amer Physical Soc2016

Observation of B- -> pbar Lambda D0 at Belle

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Jun Yong Kim, Remi Léandre Albert Louvot

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

Semi-inclusive studies of semileptonic B-s decays at Belle

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim

We present an analysis of the semi-inclusive decays B-s -> D(s)(-)Xl(+)nu and B-s -> D-s*(-)Xl(+)nu, where X denotes a final state that may consist of additional hadrons or photons and l is an electron or muon. The studied Bs decays are contained in the 12 ...

American Physical Society2015

Observation of D-0-(D)over-bar(0) Mixing in e(+) e(-) Collisions

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Jun Yong Kim

We observe D-0-(D) over bar (0) mixing in the decay D-0 -> K+ pi(-) using a data sample of integrated luminosity 976 fb(-1) collected with the Belle detector at the KEKB e(+) e(-) asymmetric-energy collider. We measure the mixing parameters x'(2) = (0.09 + ...

Amer Physical Soc2014

Updated cross section measurement of e(+)e(-)-> K(+)K(-)J/Psi and K(s)(0)K(s)(0)J/Psi via initial state radiation at Belle

Olivier Schneider, Chao Wang, Jun Yong Kim

The cross sections of the processes e(+)e(-)-> K(+)K(-)J/Psi and K(s)(0)K(s)(0)J/Psi are measured via initial state radiation at center-of-mass energies between the threshold and 6.0 GeV using a data sample of 980 fb(-1) collected with the Belle detector o ...

American Physical Society2014

First Evidence for cos 2 beta > 0 and Resolution of the Cabibbo-Kobayashi-Maskawa Quark-Mixing Unitarity Triangle Ambiguity

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Liang Sun, Sun Hee Kim, Songmei Wu, Tara Nanut, Jun Yong Kim, Greig Alan Cowan, Roberto Gargiani, Marilisa Neri, Alexandra Bondarenko, François Bianchi, Seyed Sina Mirrazavi Salehian, Aaron James Rossini, Arnaud Michel Gelb, Yong Chan Choi, Gaétan Charles Antoine Giriat, Martin Lubej, Taoufiq Harach, Wondwossen Wubie Eshetu, Mithilesh Nayak, Johannes Julius Thomas Marinus Swartjes, Jiayun Shen, Lorenzo Vitale, Amaury Robert Dame, Armend Gazmeno Hati, Amro Ahmed Hussien Ahmed

We present first evidence that the cosine of the CP-violating weak phase 2 beta is positive, and hence exclude trigonometric multifold solutions of the Cabibbo-Kobayashi-Maskawa (CKM) Unitarity Triangle using a time-dependent Dalitz plot analysis of B-0 -> ...

2018

Search for CP violation with kinematic asymmetries in the D-0 -> K+K- pi(+)pi(-) decay

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Sun Hee Kim, Jun Yong Kim, Kyung Taek Cho, Mithilesh Nayak, Yifei Guan

We search for CP violation in the singly-Cabibbo-suppressed decay D-0 -> K+K-pi(+)pi(-) using data corresponding to an integrated luminosity of 988 fb(-1) collected by the Belle detector at the KEKB e(+)e(-). We measure a set of five kinematically dependen ...

American Physical Society2019

First observation of the decay B-0 -> psi(2S)pi(0)

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Ho Ling Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim

We report a measurement of the B-0 -> psi(2S)pi(0) branching fraction based on the full Upsilon(4S) data set of 772 x 10(6) B (B) over bar pairs collected by the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We obtain B(B-0 -> psi(2S)pi(0 ...

American Physical Society2016

Measurement of D-0-(D) over bar(0) mixing and search for indirect CP violation using D-0 -> K-S(0)pi(+)pi(-) decays

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Jun Yong Kim

We report a measurement of D-0-(D) over bar(0) mixing parameters and a search for indirect CP violation through a time-dependent amplitude analysis of D-0 -> K-S(0)pi(+)pi(-) decays. The results are based on 921 fb(-1) of data accumulated with the Belle de ...

American Physical Society2014

Measurement of the CKM angle phi(1) in B-0 -> (D)over-bar(*)(0)h(0), (D)over-bar(0) -> K-S(0)pi(+)pi(-) decays with time-dependent binned Dalitz plot analysis

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Ho Ling Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim

We report a measurement of the CP-violation parameter phi(1) obtained in a time-dependent analysis of B-0 -> (D) over bar(*)(0)h(0) decays followed by (D) over bar (0) -> K-S(0)pi(+)pi decay. A model-independent measurement is performed using the binned Da ...

American Physical Society2016

Search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi(-) decays

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Sun Hee Kim, Jun Yong Kim, Kyung Taek Cho, Yong Chan Choi, Linlin Cao, Mithilesh Nayak, Johannes Julius Thomas Marinus Swartjes, Carsten Hao Ye Chong

We report the results of a search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi thorn p-decays. This study is based on a data sample corresponding to an integrated luminosity of 711 fb(-1), collected at the Upsilon(4S) resonance with the Belle detector a ...

American Physical Society2019