164 citations · 731 across the 26 of their papers we have counts for
27 papers
Angular analysis of decays reconstructed in 2019-2020 Belle II data
Belle II collaboration, F. Abudinén, I. Adachi +549
We report on the first Belle II measurement of the branching fraction () and longitudinal polarization fraction () of decays. We reconstruct $B^+\…
Measurement of the branching fraction of decay at Belle
Belle Collaboration, S. X. Li, L. K. Li +193
Using 980.6 of data collected with the Belle detector operating at the KEKB asymmetric-energy collider, we present a measurement of the branching fraction of…
Multi-level Distance Regularization for Deep Metric Learning
Yonghyun Kim, Wonpyo Park
We propose a novel distance-based regularization method for deep metric learning called Multi-level Distance Regularization (MDR). MDR explicitly disturbs a learning procedure by r…
Suppressing Spoof-irrelevant Factors for Domain-agnostic Face Anti-spoofing
Taewook Kim, Yonghyun Kim
Face anti-spoofing aims to prevent false authentications of face recognition systems by distinguishing whether an image is originated from a human face or a spoof medium. We propos…
Measurements of branching fractions and CP-violating charge asymmetries in charmless decays reconstructed in 2019--2020 Belle~II data
Belle II Collaboration, F. Abudinén, I. Adachi +544
We report on first measurements of branching fractions~() and CP-violating charge asymmetries~() in charmless decays at Belle~II. We use a sample of e…
Measurement of Hadronic Mass Moments in Decays at Belle II
Belle II Collaboration, F. Abudinén, I. Adachi +540
We present measurements of the first six hadronic mass moments in semileptonic decays. The hadronic mass moments, together with other observables of incl…
BroadFace: Looking at Tens of Thousands of People at Once for Face Recognition
Yonghyun Kim, Wonpyo Park, Jongju Shin
The datasets of face recognition contain an enormous number of identities and instances. However, conventional methods have difficulty in reflecting the entire distribution of the…
Measurement of two-particle correlations in hadronic collisions at Belle
Belle Collaboration, A. Abdesselam, I. Adachi +459
The enhancement of charged-particle pairs with large pseudorapidity difference and small azimuthal angle difference, often referred to as the ``ridge signal'', is a phenomenon wide…
GroupFace: Learning Latent Groups and Constructing Group-based Representations for Face Recognition
Yonghyun Kim, Wonpyo Park, Myung-Cheol Roh +1
In the field of face recognition, a model learns to distinguish millions of face images with fewer dimensional embedding features, and such vast information may not be properly enc…
Search for Decays to Invisible Final States () at Belle
Belle Collaboration, Y. Ku, P. Chang +153
We report searches for and decays, where the energy of the photon is required to be larger than 0.5 GeV. These results are obtained…
Detector With Focus: Normalizing Gradient In Image Pyramid
Yonghyun Kim, Bong-Nam Kang, Daijin Kim
An image pyramid can extend many object detection algorithms to solve detection on multiple scales. However, interpolation during the resampling process of an image pyramid causes…
Pairwise Relational Networks for Face Recognition
Bong-Nam Kang, Yonghyun Kim, Daijin Kim
Existing face recognition using deep neural networks is difficult to know what kind of features are used to discriminate the identities of face images clearly. To investigate the e…
SAN: Learning Relationship between Convolutional Features for Multi-Scale Object Detection
Yonghyun Kim, Bong-Nam Kang, Daijin Kim
Most of the recent successful methods in accurate object detection build on the convolutional neural networks (CNN). However, due to the lack of scale normalization in CNN-based de…
Production of and mesons in CuAu collisions at =200 GeV
C. Aidala, N. N. Ajitanand, Y. Akiba +401
Production of and mesons has been measured at midrapidity in CuAu collisions at =200 GeV. Measurements were performed in decay…
Study of decays and implications for the CKM angle
P. Vanhoefer, J. Dalseno, C. Kiesling +184
We present a measurement of the branching fraction and the longitudinal polarization fraction of decays, as well as the time-dependent violating param…
Measurements of directed, elliptic, and triangular flow in CuAu collisions at GeV
A. Adare, C. Aidala, N. N. Ajitanand +401
Measurements of anisotropic flow Fourier coefficients () for inclusive charged particles and identified hadrons , , , and produced at midrapidit…
Measurement of the direct asymmetry in decays with a lepton tag
L. Pesántez, P. Urquijo, J. Dingfelder +180
We report the measurement of the direct asymmetry in the radiative decay using a data sample of pairs collec…
Effects of Electron-Electron Interactions on Electronic Raman Scattering of Graphite in High Magnetic Fields
Y. Ma, Y. Kim, N. G. Kalugin +5
We report the observation of strongly temperature-dependent, asymmetric spectral lines in electronic Raman scattering spectra of graphite in a high magnetic field up to 45 T applie…
Measurement of Filling-Factor-Dependent Magnetophonon Resonances in Graphene Using Raman Spectroscopy
Y. Kim, J. M. Poumirol, A. Lombardo +9
We perform polarization-resolved Raman spectroscopy on graphene in magnetic fields up to 45T. This reveals a filling-factor-dependent, multi-component anticrossing structure of the…
Measurements of production and mass with the decay
LHCb collaboration, R. Aaij, C. Abellan Beteta +617
Measurements of production and mass are performed with the decay mode using 0.37 fb of data collected in collisions at TeV by th…
Measurements of the branching fractions and CP asymmetries of B+ to J/psi pi+ and B+ to psi(2S) pi+ decays
LHCb collaboration, R. Aaij, C. Abellan Beteta +589
A study of B+ to J/psi pi+ and B+ to psi(2S) pi+ decays is performed with data corresponding to 0.37 fb-1 of proton-proton collisions at sqrt(s)=7 TeV. Their branching fractions ar…
Measurement of the B+- production cross-section in pp collisions at sqrt(s)=7 TeV
The LHCb Collaboration, R. Aaij, C. Abellan Beteta +594
The production of B+- mesons in proton-proton collisions at sqrt(s)=7 TeV is studied using 35 pb-1 of data collected by the LHCb detector. The B+- mesons are reconstructed exclusiv…
Measurement of charged particle multiplicities in collisions at TeV in the forward region
LHCb Collaboration, R. Aaij, C. Abellan Beteta +589
The charged particle production in proton-proton collisions is studied with the LHCb detector at a centre-of-mass energy of TeV in different intervals of pseudorapid…
Magnetophonon resonance in graphite: High-field Raman measurements and electron-phonon coupling contributions
Y. Kim, Y. Ma, A. Imambekov +5
We perform Raman scattering experiments on natural graphite in magnetic fields up to 45 T, observing a series of peaks due to interband electronic excitations over a much broader m…