53 citations · 125 across the 18 of their papers we have counts for
18 papers
Progress report on testing robustness of the Newton method in data analysis on 2-point correlation function using a MILC HISQ ensemble
Tanmoy Bhattacharya, Benjamin J. Choi, Rajan Gupta +8
We report recent progress in data analysis on the two point correlation functions which will be prerequisite to obtain semileptonic form factors for the …
Current progress on the semileptonic form factors for decay using the Oktay-Kronfeld action
Tanmoy Bhattacharya, Benjamin J. Choi, Rajan Gupta +8
We present recent progress in calculating the semileptonic form factors for the decays. We use the Oktay-Kronfeld (OK) action for the…
2023 Update of with lattice QCD inputs
Seungyeob Jwa, Jeehun Kim, Sunghee Kim +5
We report recent progress on evaluated directly from the standard model (SM) with lattice QCD inputs such as , , , , ,…
Deep learning study on the Dirac eigenvalue spectrum of staggered quarks
Hwancheol Jeong, Chulwoo Jung, Seungyeob Jwa +8
We study the chirality of staggered quarks on the Dirac eigenvalue spectrum using deep learning (DL) techniques. The Kluberg-Stern method to construct staggered bilinear operators…
Chiral symmetry and taste symmetry from the eigenvalue spectrum of staggered Dirac operators
Hwancheol Jeong, Chulwoo Jung, Seungyeob Jwa +8
We investigate general properties of the eigenvalue spectrum for improved staggered quarks. We introduce a new chirality operator and a new shift operator $[1 \ot…
Chiral Ward identities for Dirac eigenmodes with staggered fermions
Hwancheol Jeong, Chulwoo Jung, Sunghee Kim +2
We study chiral properties of eigenvalue spectrum for staggered quarks. We present a new method to identify would-be zero modes and nonzero modes using their symmetry and chiral pr…
Update on form factor at zero-recoil using the Oktay-Kronfeld action
Tanmoy Bhattacharya, Rajan Gupta, Sungwoo Park +9
We present an update on the calculation of semileptonic form factor at zero recoil using the Oktay-Kronfeld bottom and charm quarks on fl…
How to identify zero modes for improved staggered fermions
Hwancheol Jeong, Seungyeob Jwa, Jangho Kim +4
We present results of the eigenvalue spectrum for the staggered Diräc operator obtained using a modified Lanczos algorithm. We identify zero modes and non-zero modes. We derive the…
Nonperturbative Renormalization in the RI-SMOM Scheme and Gribov Uncertainty in the RI-MOM Scheme for Staggered Bilinears
Jangho Kim, Weonjong Lee, Jeonghwan Pak +2
We present results of renormalization factors for bilinear operators obtained using the nonperturbative renormalization method (NPR) in the RI-SMOM schemes. The operators are const…
Non-perturbative Renormalization of Bilinear Operators on Fine Lattice
Hwancheol Jeong, Jangho Kim, Weonjong Lee +2
We present results of the wave function renormalization factor and mass renormalization factor obtained using non-perturbative renormalization (NPR) method in the RI-MO…
Performance of GTX Titan X GPUs and Code Optimization
Hwancheol Jeong, Sangbaek Lee, Weonjong Lee +3
Recently Nvidia has released a new GPU model: GTX Titan X (TX) in a linage of the Maxwell architecture. We use our conjugate gradient code and non-perturbative renormalization code…
Kaon BSM B-parameters using improved staggered fermions from unquenched QCD
Benjamin J. Choi, Yong-Chull Jang, Chulwoo Jung +10
We present results for the matrix elements of the additional operators that appear in models of physics beyond the Standard Model (BSM), expressed in terms of four BSM -p…
Code Optimization on Kepler GPUs and Xeon Phi
Yong-Chull Jang, Hwancheol Jeong, Jangho Kim +3
Kepler GTX Titan Black and Kepler Tesla K40 are still the best GPUs for high performance computing, although Maxwell GPUs such as GTX 980 are available in the market. Hence, we mea…
Calculation of BSM Kaon B-parameters using Staggered Quarks
Yong-Chull Jang, Hwancheol Jeong, Jangho Kim +9
We present updated results for kaon B-parameters for operators arising in models of new physics. We use HYP-smeared staggered quarks on the MILC asqtad lattices. During…
Non-perturbative Renormalization of Four-Fermion Operators Relevant to with Staggered Quarks
Hwancheol Jeong, Jangho Kim, Jongjeong Kim +3
We present preliminary results of matching factors of the four-fermion operators relevant to , which are obtained using the non-perturbative renormalization (NPR) method in th…
Improved determination of with staggered quarks
Taegil Bae, Yong-Chull Jang, Hwancheol Jeong +12
We present results for the kaon mixing parameter obtained using improved staggered fermions on a much enlarged set of MILC asqtad lattices. Compared to our previous publicati…
Performance of Kepler GTX Titan GPUs and Xeon Phi System
Hwancheol Jeong, Weonjong Lee, Jeonghwan Pak +6
NVIDIA's new architecture, Kepler improves GPU's performance significantly with the new streaming multiprocessor SMX. Along with the performance, NVIDIA has also introduced many ne…
Update on and with staggered quarks
Taegil Bae, Yong-Chull Jang, Hwancheol Jeong +11
We update our results for obtained using HYP-smeared staggered valence quarks on the MILC asqtad lattices. In the last year, we have added 5 new measurments on the fine ($a\a…