R. Y. Zhu
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View article: Development, production, and testing of the Mu2e Calorimeter Silicon Photomultipliers
Development, production, and testing of the Mu2e Calorimeter Silicon Photomultipliers Open
The development and production of the custom Silicon Photomultipliers (SiPMs) for the Mu2e Calorimeter (Mu2e SiPMs) was a complex endeavor, involving meticulous design, procurement, testing, and integration processes. After a thorough anal…
View article: Gearshift Fellowship: A Next-Generation Neurocomputational Game Platform to Model and Train Human-AI Adaptability
Gearshift Fellowship: A Next-Generation Neurocomputational Game Platform to Model and Train Human-AI Adaptability Open
How do we learn when to persist, when to let go, and when to shift gears? Gearshift Fellowship (GF) is the prototype of a new Supertask paradigm designed to model how humans and artificial agents adapt to shifting environment demands. Grou…
View article: Flaw-YOLOv5s: A Lightweight Potato Surface Defect Detection Algorithm Based on Multi-Scale Feature Fusion
Flaw-YOLOv5s: A Lightweight Potato Surface Defect Detection Algorithm Based on Multi-Scale Feature Fusion Open
Accurate and rapid detection of potato surface defects is crucial for advancing intelligent potato sorting. To elevate detection accuracy as well as shorten the computational load of the model, this paper proposes a lightweight Flaw-YOLOv5…
View article: Agent-Centric Personalized Multiple Clustering with Multi-Modal LLMs
Agent-Centric Personalized Multiple Clustering with Multi-Modal LLMs Open
Personalized multiple clustering aims to generate diverse partitions of a dataset based on different user-specific aspects, rather than a single clustering. It has recently drawn research interest for accommodating varying user preferences…
View article: Characterization of oncohistone H2B variants in <i>Schizosaccharomyces pombe</i> reveals a key role of H2B monoubiquitination deficiency in genomic instability by altering gene expression
Characterization of oncohistone H2B variants in <i>Schizosaccharomyces pombe</i> reveals a key role of H2B monoubiquitination deficiency in genomic instability by altering gene expression Open
Various amino acid substitutions commonly occur at one residue of a histone in human cancers, but it remains unclear whether these histone variants have distinct oncogenic effects and mechanisms. Our previous modeling study in the fission …
View article: Study of the time and energy resolution of an ultracompact sampling calorimeter (RADiCAL) module at EM shower maximum over the energy range 25 ≤ E ≤ 150 GeV using scintillation and wavelength shifting technology
Study of the time and energy resolution of an ultracompact sampling calorimeter (RADiCAL) module at EM shower maximum over the energy range 25 ≤ E ≤ 150 GeV using scintillation and wavelength shifting technology Open
The RADiCAL Collaboration is conducting R&D on precision-timing electromagnetic (EM) calorimetry to address the challenges expected in future collider experiments under conditions of high luminosity and/or high irradiation such as those ex…
View article: Progress of Inorganic Scintillators for Future HEP Experiments
Progress of Inorganic Scintillators for Future HEP Experiments Open
The Caltech HEP Crystal Lab has been actively investigating novel inorganic scintillators along the following three directions. Fast and radiation hard inorganic scintillators to face the challenge of severe radiation environment expected …
View article: Antispasmodic effects and potential mechanism of the traditional chinese medicine Shaoyao–Gancao decoction on intestinal spasm in rats
Antispasmodic effects and potential mechanism of the traditional chinese medicine Shaoyao–Gancao decoction on intestinal spasm in rats Open
Introduction: Shaoyao–Gancao decoction (SGD) is a classic Chinese herbal formula extensively used to treat various spastic diseases in clinical settings. SGD exerts a significant antispasmodic effect with high economic value. However, the …
View article: SecureCoder: A Framework for Mitigating Vulnerabilities in Automated Code Generation Using Large Language Models
SecureCoder: A Framework for Mitigating Vulnerabilities in Automated Code Generation Using Large Language Models Open
In recent years, the proliferation of code generation models based on large language models such as GitHub Copilot and ChatGPT allows automated source code generation to meet the needs of developers and helps increase coding efficiency. Ho…
View article: The Mu2e crystal and SiPM calorimeter
The Mu2e crystal and SiPM calorimeter Open
The calorimeter of the Mu2e experiment is being assembled, with all production components completed and tested, apart from the digital electronics that is still underway. The mechanical structure is fully built, with a complete integration…
View article: Progress of Inorganic Scintillators for Future HEP Experiments
Progress of Inorganic Scintillators for Future HEP Experiments Open
The Caltech HEP Crystal Lab has been actively investigating novel inorganic scintillators along the following three directions. Fast and radiation hard inorganic scintillators to face the challenge of severe radiation environment expected …
View article: Study of time resolution measurements and prospects for energy resolution of an ultra-compact sampling calorimeter (RADiCAL) module at EM shower maximum over the energy range 25 GeV 150 GeV
Study of time resolution measurements and prospects for energy resolution of an ultra-compact sampling calorimeter (RADiCAL) module at EM shower maximum over the energy range 25 GeV 150 GeV Open
The RADiCAL Collaboration is conducting R&D on high performance electromagnetic (EM) calorimetry to address the challenges expected in future collider experiments under conditions of high luminosity and/or high irradiation (FCC-ee, FCC-hh,…
View article: Study of time and energy resolution of an ultra-compact sampling calorimeter (RADiCAL) module at EM shower maximum over the energy range 25 GeV $\leq$ E $\leq$ 150 GeV
Study of time and energy resolution of an ultra-compact sampling calorimeter (RADiCAL) module at EM shower maximum over the energy range 25 GeV $\leq$ E $\leq$ 150 GeV Open
The RADiCAL Collaboration is conducting R\&D on high performance electromagnetic (EM) calorimetry to address the challenges expected in future collider experiments under conditions of high luminosity and/or high irradiation (FCC-ee, FCC-hh…
View article: Workshop on a future muon program at FNAL
Workshop on a future muon program at FNAL Open
The Snowmass report on rare processes and precision measurements recommended Mu2e-II and a next generation muon facility at Fermilab (Advanced Muon Facility) as priorities for the frontier. The Workshop on a future muon program at FNAL was…
View article: Beam Test Results of the RADiCAL—A Radiation Hard Innovative EM Calorimeter
Beam Test Results of the RADiCAL—A Radiation Hard Innovative EM Calorimeter Open
High-performance calorimetry conducted at future hadron colliders, such as the FCC-hh, poses a significant challenge for applying current detector technologies due to unprecedented beam luminosities and radiation fields. Solutions include …
View article: The Mu2e Crystal and SiPM Calorimeter: Construction Status
The Mu2e Crystal and SiPM Calorimeter: Construction Status Open
The Mu2e experiment at Fermilab searches for the neutrino-less conversion of a negative muon into an electron, with a distinctive signature of a mono-energetic electron with an energy of 104.967 MeV. The calorimeter is made of two disks of…
View article: Beam Test Results of the RADiCAL -- a Radiation Hard Innovative EM Calorimeter
Beam Test Results of the RADiCAL -- a Radiation Hard Innovative EM Calorimeter Open
High performance calorimetry conducted at future hadron colliders, such as the FCC-hh, poses a significant challenge for applying current detector technologies due to unprecedented beam luminosities and radiation fields. Solutions include …
View article: Fast and Radiation Hard Inorganic Scintillators for Future HEP Experiments
Fast and Radiation Hard Inorganic Scintillators for Future HEP Experiments Open
Future HEP experiments at the energy and intensity frontiers require fast and ultrafast inorganic scintillators with excellent radiation hardness to face the challenges of unprecedented event rate and severe radiation environment. We repor…
View article: Mu2e Crystal Calorimeter Readout Electronics: Design and Characterisation
Mu2e Crystal Calorimeter Readout Electronics: Design and Characterisation Open
The Mu2e experiment at Fermi National Accelerator Laboratory will search for the charged-lepton flavour-violating neutrinoless conversion of negative muons into electrons in the Coulomb field of an Al nucleus. The conversion electron with …
View article: Novel Ultrafast Lu2O3:Yb Ceramics for Future HEP Applications
Novel Ultrafast Lu2O3:Yb Ceramics for Future HEP Applications Open
Inorganic scintillators activated by charge transfer luminescence Yb3+ are considered promising ultrafast material to break the ps timing barrier for future high energy physics applications. Inorganic scintillators in ceramic form are pote…
View article: Hadron-Induced Radiation Damage in Fast Heavy Inorganic Scintillators
Hadron-Induced Radiation Damage in Fast Heavy Inorganic Scintillators Open
Fast and heavy inorganic scintillators with suitable radiation tolerance are required to face the challenges presented at future hadron colliders of high energy and intensity. Up to 5 GGy and 5 × 1018 neq/cm2 of one-MeV-equivalent neutron …
View article: RADiCAL—Precision Timing, Ultracompact, Radiation-Hard Electromagnetic Calorimetry
RADiCAL—Precision Timing, Ultracompact, Radiation-Hard Electromagnetic Calorimetry Open
To address the challenges of providing high-performance calorimetry in future hadron collider experiments under conditions of high luminosity and high radiation (FCC-hh environments), we conducted R&D on advanced calorimetry techniques sui…
View article: RADiCAL: Precision-timing, Ultracompact, Radiation-hard Electromagnetic Calorimetry
RADiCAL: Precision-timing, Ultracompact, Radiation-hard Electromagnetic Calorimetry Open
To address the challenges of providing high performance calorimetry in future hadron collider experiments under conditions of high luminosity and high radiation (FCChh environments), we are conducting R&D on advanced calorimetry techniques…
View article: Materials for Future Calorimeters
Materials for Future Calorimeters Open
Future HEP experiments present stringent challenges to calorimeter materials in radiation tolerance, time response and project cost. The 2019 report of the DOE Basic Research Needs Study on High Energy Physics Detector Research and Develop…
View article: Ultrafast Inorganic Crystals with Mass Production Capability for Future High-Rate Experiments
Ultrafast Inorganic Crystals with Mass Production Capability for Future High-Rate Experiments Open
Future HEP experiments present stringent challenges to inorganic scintillators in both fast timing response and radiation tolerance. This paper reports recent progress in developing ultrafast inorganic scintillators with sub-ns decay time …
View article: Inorganic Scintillators for Future HEP Experiments
Inorganic Scintillators for Future HEP Experiments Open
Future HEP experiments at the energy and intensity frontiers present stringent challenges to inorganic scintillators in radiation tolerance, ultrafast time response and cost. This paper reports recent progress in radiation hard, ultrafast,…
View article: Summary of the Particle Physics and Technology Working Group
Summary of the Particle Physics and Technology Working Group Open
Progress in particle physics has been tightly related to technological advances during the past half century. Progress in technologies has been driven in many cases by the needs of particle physics. Often, these advances have benefited fie…
View article: Construction status of the Mu2e crystal calorimeter
Construction status of the Mu2e crystal calorimeter Open
The Mu2e experiment at Fermilab will search for the charged-lepton flavor violating neutrino-less conversion of a negative muon into an electron in the field of an aluminum nucleus. The Mu2e detector is composed of a tracker, an electromag…