J. S. H. Lee
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View article: B-364 Changing Immunochemistry Platforms: Analytical and Clinical analysis of cancer antigen (CA) 15-3 and 27.29 testing
B-364 Changing Immunochemistry Platforms: Analytical and Clinical analysis of cancer antigen (CA) 15-3 and 27.29 testing Open
Background Tumor marker (TM) testing plays an important role in monitoring chemotherapy response in metastatic breast cancer. While the American Society of Clinical Oncology (ASCO) guidelines consider CA 15-3 and CA 27.29 clinically equiva…
View article: Improving the direct determination of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mo stretchy="false">|</mml:mo><mml:msub><mml:mi>V</mml:mi><mml:mrow><mml:mi>t</mml:mi><mml:mi>s</mml:mi></mml:mrow></mml:msub><mml:mo stretchy="false">|</mml:mo></mml:math> using deep learning
Improving the direct determination of using deep learning Open
An s-jet tagging approach to determine the Cabibbo-Kobayashi-Maskawa matrix component |Vts| directly in the dileptonic final state events of the top pair production in proton-proton collisions has been previously studied by measuring the b…
View article: Search for Signatures of Dark Matter Annihilation in the Galactic Center with HAWC
Search for Signatures of Dark Matter Annihilation in the Galactic Center with HAWC Open
We conduct an indirect dark matter (DM) search in the Galactic Center, focusing on a square region within $\pm 9^{\circ}$ in Galactic longitude and latutide, using 2,865 days of data ($\sim$8 years) from the High-Altitude Water Cherenkov (…
View article: Study on discharge and short circuit generation in CMS GE1/1 triple-GEM detectors during Run 3
Study on discharge and short circuit generation in CMS GE1/1 triple-GEM detectors during Run 3 Open
The installation of the new GE1/1 station of Gas Electron Multiplier (GEM) detectors in the Compact Muon Solenoid (CMS) experiment was completed during the Long Shutdown 2 (LS2) phase of the Large Hadron Collider (LHC). The GE1/1 station h…
View article: Extended TeV Halos May Commonly Exist around Middle-Aged Pulsars
Extended TeV Halos May Commonly Exist around Middle-Aged Pulsars Open
Extended gamma-ray emission around isolated pulsars at TeV energies, also known as TeV halos, have been found around a handful of middle-aged pulsars. The halos are significantly more extended than their pulsar wind nebulae but much smalle…
View article: Identification of $tqg$ flavor-changing neutral current interactions using machine learning techniques
Identification of $tqg$ flavor-changing neutral current interactions using machine learning techniques Open
Flavor-changing neutral currents (FCNCs) are forbidden at tree level in the Standard Model (SM), but they can be enhanced in physics Beyond the Standard Model (BSM) scenarios.In this paper, we investigate the effectiveness of deep learning…
View article: Study of Long-term Spectral Evolution and X-Ray and <i>γ</i>-Ray Correlation of Blazars Seen by HAWC
Study of Long-term Spectral Evolution and X-Ray and <i>γ</i>-Ray Correlation of Blazars Seen by HAWC Open
The HAWC Observatory collected 6 yr of extensive data, providing an ideal platform for long-term monitoring of blazars in the very high energy (VHE) band, without bias toward specific flux states. HAWC continuously monitors blazar activity…
View article: Improving the Direct Determination of $|V_{ts}|$ using Deep Learning
Improving the Direct Determination of $|V_{ts}|$ using Deep Learning Open
An $s$-jet tagging approach to determine the Cabibbo-Kobayashi-Maskawa matrix component $|V_{ts}|$ directly in the dileptonic final state events of the top pair production in proton-proton collisions has been previously studied by measurin…
View article: Simulation study for the energy and position reconstruction performances of the beam monitoring system of Carbon Ion Radiation Therapy using GEANT4
Simulation study for the energy and position reconstruction performances of the beam monitoring system of Carbon Ion Radiation Therapy using GEANT4 Open
Carbon Ion Radiation Therapy is operated in several countries because of its advantage to have high dose concentration and/or high linear energy transfer (LET). To estimate the beam performance of Carbon Ion Radiation Therapy, we target th…
View article: Study of long-term spectral evolution and X-ray and Gamma-ray correlation of blazars seen by HAWC
Study of long-term spectral evolution and X-ray and Gamma-ray correlation of blazars seen by HAWC Open
The HAWC Observatory collected 6 years of extensive data, providing an ideal platform for long-term monitoring of blazars in the Very High Energy (VHE) band, without bias towards specific flux states. HAWC continuously monitors blazar acti…
View article: The medicine race democracy lab
The medicine race democracy lab Open
The Medicine Race Democracy Lab (www.mrdlab.org), was established by faculty from Rice University and Baylor College of Medicine and operated from 2021 to 2023. Its core mission aimed to examine healthcare provision beyond traditional hosp…
View article: Analysis of the Emission and Morphology of the Pulsar Wind Nebula Candidate HAWC J2031+415
Analysis of the Emission and Morphology of the Pulsar Wind Nebula Candidate HAWC J2031+415 Open
The first TeV γ -ray source with no lower energy counterparts, TeV J2032+4130, was discovered by HEGRA. It appears in the third HAWC catalog as 3HWC J2031+415 and it is a bright TeV γ -ray source whose emission has previously been resolved…
View article: Spectral Study of Very-high-energy Gamma Rays from SS 433 with HAWC
Spectral Study of Very-high-energy Gamma Rays from SS 433 with HAWC Open
Very-high-energy (0.1–100 TeV) gamma-ray emissions were observed in High-Altitude Water Cherenkov (HAWC) data from the lobes of the microquasar SS 433, making them the first set of astrophysical jets that were resolved at TeV energies. In …
View article: Spectral study of very high energy gamma rays from SS 433 with HAWC
Spectral study of very high energy gamma rays from SS 433 with HAWC Open
Very-high-energy (0.1-100 TeV) gamma-ray emission was observed in HAWC data from the lobes of the microquasar SS 433, making them the first set of astrophysical jets that were resolved at TeV energies. In this work, we update the analysis …
View article: Probing bottom-associated production of a TeV scale scalar decaying to a top quark and dark matter at the LHC
Probing bottom-associated production of a TeV scale scalar decaying to a top quark and dark matter at the LHC Open
A bstract A minimal non-thermal dark matter model that can explain both the existence of dark matter and the baryon asymmetry in the universe is studied. It requires two color-triplet, iso-singlet scalars with $$ \mathcal{O}\left(\textrm{T…
View article: Identification of $tqg$ flavor-changing neutral current interactions using machine learning techniques
Identification of $tqg$ flavor-changing neutral current interactions using machine learning techniques Open
Flavor-changing neutral currents (FCNCs) are forbidden at tree level in the Standard Model (SM), but they can be enhanced in physics Beyond the Standard Model (BSM) scenarios.To test these potential enhancements, we investigate the product…
View article: Performance of the HAWC Observatory and TeV Gamma-Ray Measurements of the Crab Nebula with Improved Extensive Air Shower Reconstruction Algorithms
Performance of the HAWC Observatory and TeV Gamma-Ray Measurements of the Crab Nebula with Improved Extensive Air Shower Reconstruction Algorithms Open
The High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory, located on the side of the Sierra Negra volcano in Mexico, has been fully operational since 2015. The HAWC collaboration has recently significantly improved their extensive ai…
View article: TeV Analysis of a Source-rich Region with the HAWC Observatory: Is HESS J1809-193 a Potential Hadronic PeVatron?
TeV Analysis of a Source-rich Region with the HAWC Observatory: Is HESS J1809-193 a Potential Hadronic PeVatron? Open
HESS J1809-193 is an unidentified TeV source, first detected by the High Energy Stereoscopic System (H.E.S.S.) collaboration. The emission originates in a source-rich region that includes several supernova remnants (SNRs) and pulsars inclu…
View article: TeV Analysis of a Source Rich Region with HAWC Observatory: Is HESS J1809-193 a Potential Hadronic PeVatron?
TeV Analysis of a Source Rich Region with HAWC Observatory: Is HESS J1809-193 a Potential Hadronic PeVatron? Open
HESS J1809-193 is an unidentified TeV source, first detected by the High Energy Stereoscopic System (H.E.S.S.) Collaboration. The emission originates in a source-rich region that includes several Supernova Remnants (SNR) and Pulsars (PSR) …
View article: Observation of the Galactic Center PeVatron Beyond 100 TeV with HAWC
Observation of the Galactic Center PeVatron Beyond 100 TeV with HAWC Open
We report an observation of ultra-high energy (UHE) gamma rays from the Galactic Center region, using seven years of data collected by the High-Altitude Water Cherenkov (HAWC) Observatory. The HAWC data are best described as a point-like s…
View article: MUVERA: Multi-Vector Retrieval via Fixed Dimensional Encodings
MUVERA: Multi-Vector Retrieval via Fixed Dimensional Encodings Open
Neural embedding models have become a fundamental component of modern information retrieval (IR) pipelines. These models produce a single embedding $x \in \mathbb{R}^d$ per data-point, allowing for fast retrieval via highly optimized maxim…
View article: Performance of the HAWC Observatory and TeV Gamma-Ray Measurements of the Crab Nebula with Improved Extensive Air Shower Reconstruction Algorithms
Performance of the HAWC Observatory and TeV Gamma-Ray Measurements of the Crab Nebula with Improved Extensive Air Shower Reconstruction Algorithms Open
The High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory located on the side of the Sierra Negra volcano in Mexico, has been fully operational since 2015. The HAWC collaboration has recently significantly improved their extensive-air…
View article: Exploring the Coronal Magnetic Field with Galactic Cosmic Rays: The Sun Shadow Observed by HAWC
Exploring the Coronal Magnetic Field with Galactic Cosmic Rays: The Sun Shadow Observed by HAWC Open
Galactic cosmic rays (GCRs) are charged particles that reach the heliosphere almost isotropically in a wide energy range. In the inner heliosphere, the GCR flux is modulated by solar activity so that only energetic GCRs reach the lower lay…
View article: Probing bottom-associated production of a TeV scale scalar decaying to a top quark and dark matter at the LHC
Probing bottom-associated production of a TeV scale scalar decaying to a top quark and dark matter at the LHC Open
A minimal non-thermal dark matter model that can explain both the existence of dark matter and the baryon asymmetry in the universe is studied. It requires two color-triplet, iso-singlet scalars with $\mathcal{O}$(TeV) masses and a singlet…
View article: A NodeJS application for XENON collaboration member management
A NodeJS application for XENON collaboration member management Open
The Big Science projects common of multi-institute particle-physics collaborations generates unique needs for member management, including paper authorship tracking, shift assignments, subscription to mailing lists and access to 3rd party …
View article: Impact of magnetic field on the stability of the CMS GE1/1 GEM detector operation
Impact of magnetic field on the stability of the CMS GE1/1 GEM detector operation Open
The Gas Electron Multiplier (GEM) detectors of the GE1/1 station of the CMS experiment have been operated in the CMS magnetic field for the first time on the 7 th of October 2021. During the magnetic field ramps, several discharge phenomen…