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Donghyun Kim

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Publications associées (221)

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

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

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

Study of B-0 -> rho(+)rho(-) decays and implications for the CKM angle phi(2)

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

We present a measurement of the branching fraction and the longitudinal polarization fraction of B-0 -> rho(+)rho(-) decays, as well as the time-dependent CP violating parameters in decays into longitudinally polarized rho(+)rho(-) pairs with Belle's final ...

American Physical Society2016

Search for XYZ states in Upsilon(1S) inclusive decays

Olivier Schneider, Sun Hee Kim, Mingkui Wang, Chao Wang, Dipanwita Dutta, Ho Ling Li, Jun Yong Kim, Tara Nanut, Donghyun Kim, Ji Hyun Kim, Yiming Li, Xiao Wang

The branching fractions of the Upsilon(1S) inclusive decays into final states with a J/psi or psi(2S) are measured with improved precision to be B Upsilon(1S) -> J/psi + anything = (5.25 +/- 0.13(stat) +/- 0.25(syst) x 10(-4) and B Upsilon(1S) -> psi(2S) + ...

American Physical Society2016

Observation of Z(b)(10610) and Z(b)(10650) Decaying to B Mesons

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

We report the analysis of the three-body e(+)e(-) -> B (B) over bar pi(+/-), B (B) over barpi(+/-), and B(B) over bar* pi(+/-) processes, including the first observations of the Z(b)(+/-)(10610) -> B (B) over bar* + c.c. and Z(b)(+/-)(10650) -> [B ...

Amer Physical Soc2016

Measurement of the branching ratio of (B)over-bar(0) -> D(+)tau(-)(nu)over-bar(tau) relative to (B)over-bar(0) -> D(+)l(-)(nu)over-bar(l) decays with a semileptonic tagging method

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

We report a measurement of the ratio R(D*) = B((B) over bar (0) -> D*(+)tau(-)(nu) over bar (tau))/B((B) over bar (0) -> D*(+)l(-)(nu) over bar (l))where l denotes an electron or a muon. The results are based on a data sample containing 772 x 10(6) B (B) o ...

American Physical Society2016

Measurement of D-0-(D)over-bar(0) mixing and search for CP violation in D-0 -> K+K-, pi(+)pi(-) decays with the full Belle data set

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

We report an improved measurement of D-0-(D) over bar (0) mixing and a search for CP violation in D-0 decays to CP-even final states K+K- and pi(+)pi(-). The measurement is based on the final Belle data sample of 976 fb(-1). The results are y(CP) = (1.11 + ...

Elsevier Science Bv2016

Search for B-0 -> pi(-)tau(+)nu(tau) with hadronic tagging at Belle

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

We search for the process B-0 -> pi(-) tau(+)nu(tau) using the full Belle data set of 711 fb(-1), corresponding to 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(-) collide ...

American Physical Society2016

Measurements of the Upsilon(10860) and Upsilon(11020) resonances via sigma(e(+)e(-) -> Upsilon(nS)pi(+)pi(-))

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Jun Yong Kim, Yong Yang, Tara Nanut, Donghyun Kim, Ji Hyun Kim, Yiming Li, Xiao Wang

We report new measurements of the total cross sections for e(+)e(-) -> Upsilon(nS)pi(+)pi(-) (n = 1, 2, 3) and e(+)e(-) -> b (b) over bar from a high-luminosity fine scan of the region root s = 10.63-11.05 GeV with the Belle detector. We observe that the U ...

American Physical Society2016

Recent ASDEX Upgrade research in support of ITER and DEMO

Basil Duval, Timothy Goodman, Olivier Sauter, Stefano Coda, Alberto Bottino, Marco Wischmeier, Andrea Scarabosio, Hartmut Zohm, Laurie Porte, Yann Camenen, Thomas Binderup Jensen, Emiliano Fable, Federico Alberto Alfredo Felici, Dávid Wágner, Doohyun Kim, Heinz Mueller, Emanuele Poli, Nicola Vianello, Giovanni Tardini, Donghyun Kim, Alessandro Pau, Otto Asunta, Haomin Sun, Xiao Wang, Gergely Papp, Bernhard Sieglin

Recent experiments on the ASDEX Upgrade tokamak aim at improving the physics base for ITER and DEMO to aid the machine design and prepare efficient operation. Type I edge localized mode (ELM) mitigation using resonant magnetic perturbations (RMPs) has been ...

Iop Publishing Ltd2015

Observation of the rare B-s(0)->mu(+)mu(-) decay from the combined analysis of CMS and LHCb data

Horst Vogel, Christoph Frei, Peter Clarke, Jean Wicht, Alessandro Mapelli, Aurelio Bay, Minh Tâm Tran, Andrea Rizzi, Marc-Olivier Bettler, Cédric Potterat, Matthias Finger, Tatsuya Nakada, Guido Haefeli, Niko Neufeld, Olivier Schneider, Pierre Jaton, Hans Dijkstra, Julien Rouvinet, Charles Dietz, João Miguel das Neves Duarte, Frédéric Guillaume Dupertuis, Frédéric Teubert, Gerhard Raven, Quentin Python, Bastien Luca Muster, Joo Yeon Kim, Alexis Kalogeropoulos, Chitsanu Khurewathanakul, Frédéric Blanc, Matthew Needham, Lesya Shchutska, Liang Sun, Alexandre Aubin, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Wei Sun, Barinjaka Rakotomiaramanana, Xiaoxue Han, Qian Wang, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Overview of the FTU results

Basil Duval, Olivier Sauter, Holger Reimerdes, Jonathan Rossel, Alexander Karpushov, Duccio Testa, Lucia Isabel Federspiel, Dávid Wágner, Gabriele Grosso, Doohyun Kim, Cristian Galperti, Donghyun Kim

Since the 2012 IAEA-FEC Conference, FTU operations have been largely devoted to runaway electrons generation and control, to the exploitation of the 140 GHz electron cyclotron (EC) system and to liquid metal limiter elements. Experiments on runaway electro ...

Iop Publishing Ltd2015

Observation of B-0 -> p(Lambda)over-barD(*)(-)

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

We report the first observation of the decays B-0 -> p (Lambda) over barD(*)(-). The data sample of 711 fb(-1) used in this analysis corresponds to 772 x 10(6) B (B) over bar pairs, collected at the Upsilon(4S) resonance by the Belle detector at the KEKB a ...

Amer Physical Soc2015

Search for B+ -> e(+)nu(e) and B+ -> mu(+)nu(mu) decays using hadronic tagging

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

We present a search for the rare leptonic decays B+ -> e(+)nu(e) and B+ -> mu(+) nu(mu) using the full Upsilon(4S) data sample of 772 x 10(6) B (B) over bar pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. One of the ...

American Physical Society2015

Search for the Dark Photon and the Dark Higgs Boson at Belle

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

The dark photon A' and the dark Higgs boson h' are hypothetical constituents featured in a number of recently proposed dark sector models. Assuming prompt decays of both dark particles, we search for their production in the so-called Higgstrahlung channel ...

Amer Physical Soc2015

Measurements of B -> (D)over-barDs0(+)(2317) decay rates and a search for isospin partners of the Ds0(+)(2317)

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

We report improved measurements of the product branching fractions B(B+ --> (D) over bar D-0(s0)(+)(2317)) x B(D-s0(+)(2317) --> D-s(+) pi(0)) (8.0(-1.2)(+1.3) +/- 1.1 +/- 0.4) x 10(-4) and B(B-0 --> D-Ds0*(+)(2317)) x B(D-s0*(+)(2317)) --> D-s(+) pi(0)) ...

American Physical Society2015

Observation of X(3872) in B -> X(3872)K pi decays

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

We report the first observation of B-0 -> X(3872)(K+pi(-)) and evidence for B+ -> X(3872)(K-0 pi(+)). We measure the product of branching fractions for the former to be B(B-0 -> X(3872)(K+pi(-)) x B(X(3872) -> J/psi pi(+)pi(-)) = (7.9 +/- 1.3(stat) +/- 0.4 ...

American Physical Society2015

Search for B decays to final states with the eta(c) meson

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

We report a search for B decays to selected final states with the eta (c) meson: B (+/-) -> K (+/-) eta (c) pi (+) pi (-), B-+/- -> K-+/-eta(c)pi(+)pi(-), B-+/- -> K-+/-eta(c)eta and B-+/- -> K-+/-eta(c)pi(0). The analysis is based on 772 x 10(6) B (B) ove ...

Springer Nature2015

Evidence for the decay B-0 -> eta pi(0)

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

We report a search for the charmless hadronic decay B-0 -> eta pi(0) with a data sample corresponding to an integrated luminosity of 694 fb(-1) containing 753 x 10(6) BB pairs. The data were collected by the Belle experiment running on the Upsilon(4S) reso ...

American Physical Society2015

Measurement of the branching fraction of B+ -> tau(+)nu(tau) decays with the semileptonic tagging method

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 a measurement of the branching fraction of B+ -> tau(+) nu(tau) decays using a data sample of 772 x 10(6) B (B) over bar pairs, collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We rec ...

American Physical Society2015

Selected highlights of ECH/ECCD physics studies in the TCV tokamak

Basil Duval, Timothy Goodman, Olivier Sauter, Stefano Coda, Federico Alberto Alfredo Felici, Doohyun Kim, Joan Decker, Donghyun Kim

The Tokamak a Configuration Variable, TCV, has used Electron Cyclotron Heating and Current Drive as its only auxiliary heating system for nearly two decades. In addition to basic plasma heating and current profiling, ECH and ECCD under either feedforward o ...

EDP Sciences2015

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The standard model of particle physics describes the fundamental particles and their interactions via the strong, electromagnetic and weak forces. It provides precise predictions for measurable quantities that can be tested experimentally. The probabilitie ...

Nature Publishing Group2015