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Ji Hyun Kim

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Related publications (279)

Study of D** production and light hadronic states in the (B)over-bar(0) -> D*(+)omega pi(-) decay

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Tara Nanut, Donghyun Kim, Ji Hyun Kim

We report on the first observations of (B) over bar (0) -> D-1 (2430)(0)omega, (B) over bar (0) -> D-1 (2420)(0)omega, and (B) over bar (0) -> D-2* (2460)(0)omega decays. The (B) over bar (0) -> D*(+) rho(1450)(-) decay is also observed. The branching frac ...

American Physical Society2015

Planck 2013 results. I. Overview of products and scientific results

Slobodan Ilic, Julien Lesgourgues, Fabio Finelli, Jason Douglas McEwen, Jan Hamann, Ji Hyun Kim, Xin Chen

The European Space Agency's Planck satellite, dedicated to studying the early Universe and its subsequent evolution, was launched 14 May 2009 and has been scanning the microwave and submillimetre sky continuously since 12 August 2009. In March 2013, ESA an ...

Edp Sciences S A2014

Measurement of the Branching Fraction B(Lambda(+)(c) -> pK(-)pi(+))

Olivier Schneider, Tagir Aushev, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim, Yiming Li, Xiao Wang, Jing Li

We present the first model-independent measurement of the absolute branching fraction of the Lambda(+)(c) -> pK(-)pi(+)decay using a data sample of 978 fb(-1) collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The number of ...

Amer Physical Soc2014

Observation of the decay B-0 -> eta ' K* (892)(0)

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Jun Yong Kim, Tara Nanut, Donghyun Kim, Ji Hyun Kim, Yiming Li, Xiao Wang, Jing Li

We report a search for charmless hadronic decays of neutral B mesons to eta ' K* (892)(0). The results are based on a 711 fb(-1) data sample that contains 772 x 10(6) B (B) over bar pairs, collected at the gamma(4S) resonance with the Belle detector at the ...

American Physical Society2014

Planck 2013 results. XXIII. Isotropy and statistics of the CMB

Julien Lesgourgues, Fabio Finelli, Jason Douglas McEwen, Ji Hyun Kim

The two fundamental assumptions of the standard cosmological model - that the initial fluctuations are statistically isotropic and Gaussian - are rigorously tested using maps of the cosmic microwave background (CMB) anisotropy from the Planck satellite. Th ...

Edp Sciences S A2014

Study of B-0 -> rho(0)rho(0) decays, implications for the CKM angle phi(2) and search for other B-0 decay modes with a four-pion final state

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim, Xiao Wang, Jing Li

We present a study of the branching fraction of the decay B-0 -> rho(0)rho(0) and the fraction of longitudinally polarized rho(0) mesons in this decay. The results are obtained from the final data sample containing 772 x 10(6) B (B) over bar pairs collecte ...

American Physical Society2014

Search for the process e(+)e(-) -> J/psi X(1835) at root s approximate to 10.6 GeV

Olivier Schneider, Tagir Aushev, Chao Wang, Dipanwita Dutta, Jian Wang, Donghyun Kim, Ji Hyun Kim

We report the results of a search for the X(1835) state in the process e(+)e(-) -> J/psi X(1835) using a data sample of 672 fb(-1) collected with the Belle detector at and near the Upsilon(4S) resonance at the KEKB asymmetric-energy e(+)e(-) collider. No s ...

American Physical Society2014

Observation of a new charged charmoniumlike state in B-0 -> J/psi K- pi(+) decays

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Tara Nanut, Donghyun Kim, Ji Hyun Kim, Yiming Li, Xiao Wang

We present the results of an amplitude analysis of B-0 --> J/psi K- pi(+) decays. A new charged charmoniumlike state Z(c)(4200)(+) decaying to J/psi pi(+) is observed with a significance of 6.2 sigma. The mass and width of the Z(c)(4200)(+) are 4196(-29-13 ...

American Physical Society2014

Measurements of branching fractions of tau lepton decays with one or more K-S(0)

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim, Jing Li

We report measurements of branching fractions of tau lepton decays to final states with a K-S(0) meson using a 669 fb(-1) data sample accumulated with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The inclusive branching fraction is m ...

American Physical Society2014

Search for CP Violation in D-0 -> pi(0)pi(0) Decays

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim

We search for CP violation in neutral charm meson decays using a data sample with an integrated luminosity of 966 fb(-1) collected with the Belle detector at the KEKB e(+)e(-) asymmetric-energy collider. The asymmetry obtained in the rate of D-0 and (D) ov ...

Amer Physical Soc2014

Measurement of branching fractions and CP violation parameters in B -> omega K decays with first evidence of CP violation in B-0 -> omega K-s(0)

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim, Yiming Li, Jing Li

We present a measurement of the branching fractions and charge- parity-( CP-) violating parameters in B..K decays. The results are obtained from the final data sample containing 772 x 10(6) BB _ pairs collected at the.d4S_ resonance with the Belle detector ...

American Physical Society2014

Measurement of time-dependent CP violation in B-0 - eta ' K-0 decays

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Jun Yong Kim, Tara Nanut, Donghyun Kim, Ji Hyun Kim, Yiming Li, Xiao Wang, Jing Li

We present a measurement of the time-dependent CP violation parameters in B0 -> eta'K-0 decays. The measurement is based on the full data sample containing 772 x 10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance using the Belle detector at ...

Springer Nature2014

Evidence for semileptonic B- -> p(p)over-barl(-)(nu)over-bar(l) decays

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim, Yiming Li, Jing Li

We find evidence for the semileptonic baryonic decay B- -> p (p) over barl(-)(nu) over bar (l) (l = e, mu), based on a data sample of 772 million B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-ene ...

American Physical Society2014

Search for doubly charmed baryons and study of charmed strange baryons at Belle

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim, Yiming Li, Jing Li

We report results of a study of doubly charmed baryons and charmed strange baryons. The analysis is performed using a 980 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We search for doubly charmed bar ...

American Physical Society2014

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

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Jun Yong Kim, Tara Nanut, Donghyun Kim, Ji Hyun Kim, Yiming Li, Xiao Wang, Jing Li

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 the tau-lepton Lifetime at Belle

Olivier Schneider, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun 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

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

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim, Yiming Li, Jing Li

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

Search for B-o -> p(Lambda)over-bar pi(-)gamma at Belle

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Ji Hyun Kim, Jing Li

We search for the charmless B-o decay with final state particles p (Lambda) over bar pi(-)gamma using the full data sample that contains 772 x 10(6)B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-e ...

American Physical Society2014

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, Tagir Aushev, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim, Jing Li

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

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

Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Dipanwita Dutta, Jun Yong Kim, Donghyun Kim, Ji Hyun Kim, Yiming Li, Xiao Wang

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

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