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Author

Hyun-Chul Kim

Other affiliations: Konkuk University, University of Edinburgh, Osaka University  ...read more
Bio: Hyun-Chul Kim is an academic researcher from Inha University. The author has contributed to research in topics: Large Hadron Collider & Lepton. The author has an hindex of 176, co-authored 4076 publications receiving 183227 citations. Previous affiliations of Hyun-Chul Kim include Konkuk University & University of Edinburgh.


Papers
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Journal ArticleDOI
S. Chatrchyan1, Vardan Khachatryan1, Albert M. Sirunyan1, Armen Tumasyan1  +3905 moreInstitutions (143)
19 Oct 2013
TL;DR: In this article, results of searches for heavy stable charged particles produced in pp collisions at s√ = 7 and 8 TeV are presented corresponding to an integrated luminosity of 5.0 and 18.8 fb−1, respectively.
Abstract: Results of searches for heavy stable charged particles produced in pp collisions at s√ = 7 and 8 TeV are presented corresponding to an integrated luminosity of 5.0 fb−1 and 18.8 fb−1, respectively. Data collected with the CMS detector are used to study the momentum, energy deposition, and time-of-flight of signal candidates. Leptons with an electric charge between e/3 and 8e, as well as bound states that can undergo charge exchange with the detector material, are studied. Analysis results are presented for various combinations of signatures in the inner tracker only, inner tracker and muon detector, and muon detector only. Detector signatures utilized are long time-of-flight to the outer muon system and anomalously high (or low) energy deposition in the inner tracker. The data are consistent with the expected background, and upper limits are set on the production cross section of long-lived gluinos, scalar top quarks, and scalar τ leptons, as well as pair produced long-lived leptons. Corresponding lower mass limits, ranging up to 1322 GeV/c 2 for gluinos, are the most stringent to date.

100 citations

Journal ArticleDOI
Bernard Aubert1, Marcella Bona1, D. Boutigny1, Y. Karyotakis1  +563 moreInstitutions (77)
TL;DR: In this paper, the authors presented updated measurements of time-dependent CP asymmetries in fully reconstructed neutral B decays containing a charmonium meson using the BABAR detector at the PEP-II asymmetric energy e(+)e(-) storage rings operating at the SLAC National Accelerator Laboratory.
Abstract: We present updated measurements of time-dependent CP asymmetries in fully reconstructed neutral B decays containing a charmonium meson. The measurements reported here use a data sample of (465 +/- 5)x10(6) Upsilon(4S)-> B B decays collected with the BABAR detector at the PEP-II asymmetric energy e(+)e(-) storage rings operating at the SLAC National Accelerator Laboratory. The time-dependent CP asymmetry parameters measured from J psi K-S(0), J psi K-L(0), psi(2S)K-S(0), eta K-c(S)0, chi K-c1(S)0, and J/psi K-*(892)(0) decays are: C-f=0.024 +/- 0.020(stat)+/- 0.016(syst) and -eta S-f(f)=0.687 +/- 0.028(stat)+/- 0.012(syst).

100 citations

Journal ArticleDOI
M. Ambrosio, R. Antolini, G. Auriemma1, D. Bakari2, A. Baldini3, G. C. Barbarino, Barry C. Barish4, G. Battistoni, Roberto Bellotti5, C. Bemporad3, P. Bernardini, Halina Bilokon, V. Bisi6, C. Bloise, C. R. Bower7, M. Brigida5, Severino Angelo Maria Bussino, F. Cafagna5, M. Calicchio5, D. Campana, M. Carboni, S. Cecchini2, Fabrizio Cei3, V. Chiarella, B. C. Choudhary4, S. Coutu8, S. Coutu9, G. de Cataldo5, H. Dekhissi2, C. De Marzo5, I. De Mitri, J. Derkaoui2, M. De Vincenzi, A. Di Credico, O. Enriquez5, C. Favuzzi5, C. Forti, P. Fusco5, G. Giacomelli2, G. Giannini10, G. Giannini3, N. Giglietto5, M. Giorgini2, M. Grassi3, Lindsey Gray, A. A. Grillo, F. Guarino, C. Gustavino, Alec Habig11, Kael Hanson9, R.M. Heinz7, E. Iarocci, Erik Katsavounidis4, Ioannis Katsavounidis4, E. Kearns11, Hyun-Chul Kim4, S. Kyriazopoulou4, E. Lamanna1, E. Lamanna12, C. E. Lane13, D. Levin9, Paolo Lipari1, Np Longley14, Np Longley4, Michael J. Longo9, F. Loparco5, F. Maaroufi2, G. Mancarella, G. Mandrioli2, Shahid Manzoor15, Shahid Manzoor2, Annarita Margiotta2, Andrea Carlo Marini, D. Martello, A. Marzari-Chiesa6, M. N. Mazziotta5, D. G. Michael4, S P Mikheyev16, S P Mikheyev4, L. Miller7, L. Miller17, P. Monacelli18, Teresa Montaruli5, Marco Monteno6, S. L. Mufson7, J. A. Musser7, Donato Nicolo3, Donato Nicolo19, R. Nolty4, C. Okada11, C. Orth11, G. Osteria, M. Ouchrif2, O. Palamara, Vincenzo Patera, L. Patrizii2, R. Pazzi3, C. W. Peck4, L. Perrone, S. Petrera18, P. Pistilli, V. Popa2, A. Rainò5, J. Reynoldson, Frederic Jean Ronga, C. Satriano1, L. Satta, Eugenio Scapparone, Kate Scholberg11, A. Sciubba, P. Serra2, Maximiliano Sioli2, Mario Sitta6, P. Spinelli5, M. Spinetti, Maurizio Spurio2, R. Steinberg13, J. L. Stone11, L. R. Sulak11, A. Surdo, Gregory Tarle9, V. Togo2, M. Vakili20, E. Vilela2, C. W. Walter11, C. W. Walter4, R. C. Webb20 
TL;DR: In this paper, the results of a search for point-like sources using 1100 upward-going muons produced by neutrino interactions in the rock below and inside the Monopole Astrophysics and Cosmic Ray Observatory (MACRO) detector were presented.
Abstract: High-energy gamma-ray astronomy is now a well-established —eld, and several sources have been dis- covered in the region from a few gigaelectron volts up to several teraelectron volts. If sources involv- ing hadronic processes exist, the production of photons would be accompanied by neutrinos too. Other possible neutrino sources could be related to the annihilation of weakly interacting, massive particles (WIMPs) at the center of galaxies with black holes. We present the results of a search for pointlike sources using 1100 upward-going muons produced by neutrino interactions in the rock below and inside the Monopole Astrophysics and Cosmic Ray Observatory (MACRO) detector in the underground Gran Sasso Laboratory. These data show no evidence of a possible neutrino pointlike source or of possible correlations between gamma-ray bursts and neutrinos. They have been used to set —ux upper limits for candidate pointlike sources which are in the range 10~14¨10~15 cm~2 s~1. Subject headings: elementary particlesgamma rays: observations

99 citations

Journal ArticleDOI
TL;DR: In this paper, the nuclear modification factors, derived from the PbPb-to-p p ratio of yields for each state, were studied as functions of meson rapidity and transverse momentum, as well as collision centrality.

99 citations

Journal ArticleDOI
Georges Aad1, Brad Abbott2, Jalal Abdallah3, S. Abdel Khalek4  +2813 moreInstitutions (169)
TL;DR: In this article, a search for narrow diboson resonances decaying to either leptonically (to an electron or a muon plus a neutrino) or hadronically (decaying to an electron and a neutrinne) is presented.
Abstract: A search is presented for narrow diboson resonances decaying to [Formula: see text] or [Formula: see text] in the final state where one [Formula: see text] boson decays leptonically (to an electron or a muon plus a neutrino) and the other [Formula: see text] boson decays hadronically. The analysis is performed using an integrated luminosity of 20.3 fb[Formula: see text] of [Formula: see text] collisions at [Formula: see text] TeV collected by the ATLAS detector at the large hadron collider. No evidence for resonant diboson production is observed, and resonance masses below 700 and 1490 GeV are excluded at 95 % confidence level for the spin-2 Randall-Sundrum bulk graviton [Formula: see text] with coupling constant of 1.0 and the extended gauge model [Formula: see text] boson respectively.

99 citations


Cited by
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Journal ArticleDOI

[...]

08 Dec 2001-BMJ
TL;DR: There is, I think, something ethereal about i —the square root of minus one, which seems an odd beast at that time—an intruder hovering on the edge of reality.
Abstract: There is, I think, something ethereal about i —the square root of minus one. I remember first hearing about it at school. It seemed an odd beast at that time—an intruder hovering on the edge of reality. Usually familiarity dulls this sense of the bizarre, but in the case of i it was the reverse: over the years the sense of its surreal nature intensified. It seemed that it was impossible to write mathematics that described the real world in …

33,785 citations

01 May 1993
TL;DR: Comparing the results to the fastest reported vectorized Cray Y-MP and C90 algorithm shows that the current generation of parallel machines is competitive with conventional vector supercomputers even for small problems.
Abstract: Three parallel algorithms for classical molecular dynamics are presented. The first assigns each processor a fixed subset of atoms; the second assigns each a fixed subset of inter-atomic forces to compute; the third assigns each a fixed spatial region. The algorithms are suitable for molecular dynamics models which can be difficult to parallelize efficiently—those with short-range forces where the neighbors of each atom change rapidly. They can be implemented on any distributed-memory parallel machine which allows for message-passing of data between independently executing processors. The algorithms are tested on a standard Lennard-Jones benchmark problem for system sizes ranging from 500 to 100,000,000 atoms on several parallel supercomputers--the nCUBE 2, Intel iPSC/860 and Paragon, and Cray T3D. Comparing the results to the fastest reported vectorized Cray Y-MP and C90 algorithm shows that the current generation of parallel machines is competitive with conventional vector supercomputers even for small problems. For large problems, the spatial algorithm achieves parallel efficiencies of 90% and a 1840-node Intel Paragon performs up to 165 faster than a single Cray C9O processor. Trade-offs between the three algorithms and guidelines for adapting them to more complex molecular dynamics simulations are also discussed.

29,323 citations

28 Jul 2005
TL;DR: PfPMP1)与感染红细胞、树突状组胞以及胎盘的单个或多个受体作用,在黏附及免疫逃避中起关键的作�ly.
Abstract: 抗原变异可使得多种致病微生物易于逃避宿主免疫应答。表达在感染红细胞表面的恶性疟原虫红细胞表面蛋白1(PfPMP1)与感染红细胞、内皮细胞、树突状细胞以及胎盘的单个或多个受体作用,在黏附及免疫逃避中起关键的作用。每个单倍体基因组var基因家族编码约60种成员,通过启动转录不同的var基因变异体为抗原变异提供了分子基础。

18,940 citations