Open Access. Powered by Scholars. Published by Universities.®
- Discipline
- Keyword
-
- Belle II (2)
- Belle2 (2)
- Geant4 (2)
- 2D materials (1)
- ARICH (1)
-
- ATLAS experiment (1)
- Accelerator (1)
- Amplitude Encoding (1)
- Annihilation (1)
- Applications of redox (1)
- Atanu (1)
- B (1)
- Banerjee (1)
- Belle (1)
- Belle II experiment (1)
- Calorimetry (1)
- Cavity (1)
- Characterization (1)
- Data quality monitoring (1)
- Decay (1)
- Down spectroscopy (1)
- E/p (1)
- Electrochemically (1)
- Electron (1)
- Evanescent (1)
- FeSC (1)
- Globular Clusters (1)
- HEP (1)
- High energy physics (1)
- Hubble Space Telescope (1)
- Publication
- Publication Type
Articles 1 - 11 of 11
Full-Text Articles in Physics
Exploring Information For Quantum Machine Learning Models, Michael Telahun
Exploring Information For Quantum Machine Learning Models, Michael Telahun
Electronic Theses and Dissertations
Quantum computing performs calculations by using physical phenomena and quantum mechanics principles to solve problems. This form of computation theoretically has been shown to provide speed ups to some problems of modern-day processing. With much anticipation the utilization of quantum phenomena in the field of Machine Learning has become apparent. The work here develops models from two software frameworks: TensorFlow Quantum (TFQ) and PennyLane for machine learning purposes. Both developed models utilize an information encoding technique amplitude encoding for preparation of states in a quantum learning model. This thesis explores both the capacity for amplitude encoding to provide enriched state …
Development And Applications Of Condensed Phase Cavity Ring-Down Spectroscopy For Studies Of Electrochemical And Interfacial., Shadi Ahmad Alnaanah
Development And Applications Of Condensed Phase Cavity Ring-Down Spectroscopy For Studies Of Electrochemical And Interfacial., Shadi Ahmad Alnaanah
Electronic Theses and Dissertations
This dissertation reports the development of ultra-sensitive platforms based on the laser cavity ring-down spectroscopic (CRDS) technique to enable optical and spectroelectrochemical investigations in the condensed phase of matter at challenging scenarios. Firstly, an electrically-active solid/liquid interface for the evanescent-wave cavity ring-down spectroscopy (EW-CRDS) was developed to specroelectrochemically investigate redox events. By coating the interface of total internal reflection of the EW-CRDS platform with a high quality optically transparent and electrically conductive indium tin oxide thin film (ITO), we demonstrated that sufficiently long ring-down times can be achieved to allow for spectroelectrochemical investigations of redox species at solid/liquid interfaces at …
Using Saoimage Ds9 & Hubble Space Telescope Data To Identify Globular Clusters In Ic 219, Emily Spicer, Alice Jacques, Benne Holwerda
Using Saoimage Ds9 & Hubble Space Telescope Data To Identify Globular Clusters In Ic 219, Emily Spicer, Alice Jacques, Benne Holwerda
Undergraduate Research Events
Globular clusters are tightly bound spherical clusters of stars located within the halo of elliptical and spiral galaxies. They are among the oldest stars found in a galaxy, and their presence and abundance in a galaxy’s halo offer insight on the age, composition, and formation of the galaxy.1 I used a Hubble Space Telescope (HST) image and SAOImage DS9, a powerful imaging tool used to analyze astronomical data, to identify the size and locate the position of globular cluster (GC) candidates in IC 219.
A Structural Study Of Correlated Materials: Incipient Mott Insulators And Low-Dimensional Systesm., Alaa Alfailakawi
A Structural Study Of Correlated Materials: Incipient Mott Insulators And Low-Dimensional Systesm., Alaa Alfailakawi
Electronic Theses and Dissertations
Current theories of high-temperature superconductivity suggest that electrons must organize into Cooper pairs in order for a material to exhibit a superconducting phase. Electrons in insulators experience significant repulsive interactions that tend to keep electrons localized at atomic positions. In contrast, electrons in metals are delocalized, interact weakly, and are free to conduct electricity. Therefore, the formation of Cooper pairs should have different mechanisms for metals compared to insulators. This contrast raises the debate about the origin of high-temperature superconductivity in iron-based material, whether it depends on the strong or weak coupling. Many iron-based materials are metallic in the normal …
Search For New Physics Using Lepton Flavor Violating Signatures In Modern Particle Colliders., Atanu Pathak
Search For New Physics Using Lepton Flavor Violating Signatures In Modern Particle Colliders., Atanu Pathak
Electronic Theses and Dissertations
Charged lepton flavor violation is a clear signal of new physics. Such decays are not allowed in the Standard Model but highly anticipated in a large class of new physics models. A direct search for lepton flavor violation in decays of the Higgs boson with the ATLAS detector at the LHC is presented here. The analysis is performed in the H → l tau channel, where the leading lepton (l) can be either an electron or a muon, and the tau lepton decays into an opposite flavored lighter lepton or via the hadronic decay channel. Published results of this search …
Electrochemically-Modulated Surface Plasmon Waves At A Nano-Scale For Investigations And Applications Of Redox Assemblies., Aymen Hasan Qatamin
Electrochemically-Modulated Surface Plasmon Waves At A Nano-Scale For Investigations And Applications Of Redox Assemblies., Aymen Hasan Qatamin
Electronic Theses and Dissertations
In this thesis, an electrochemically-modulated surface plasmon resonance (EC-SPR) technique was developed for challenging investigations and applications in different redox assemblies. The principle of the technique is based on the nano-scale confined and sensitive interplay between a surface plasmon wave and a redox-active probe featuring an optical transition when undergoing a faradaic redox process. Such faradaic process is electrochemically controlled by modulating the surface electric potential of the SPR platform to create an optical output signal that is substantially immune to the negative impacts of background environment and enabling the identification and quantification minute properties linked to a molecular event …
Charged Particle Identification Using Calorimetry And Tracking At The Belle Ii Experiment, Joseph T. Nunziata, Atanu Pathak, Swagato Banerjee
Charged Particle Identification Using Calorimetry And Tracking At The Belle Ii Experiment, Joseph T. Nunziata, Atanu Pathak, Swagato Banerjee
Undergraduate Arts and Research Showcase
Particle identification (PID) is a critical procedure carried out in high energy physics experiments in search of new physics. When particles of matter (i.e., an electron) and antimatter (i.e., a positron) collide, new types of particles may form given certain conditions. Such particles may be classified as hadrons--which feel the strong nuclear force--and leptons--which do not. Identifying particles at the Belle II experiment is done by combining the measurement of energy deposited in the calorimeter with the measurement of track momentum in the tracker. In a tau lepton ($\tau$) decay sample, particles such as electrons, muons, and pions may be …
Size-Controlled Synthesis Of Nickel Nanoparticles Enclosed In Carbon Nanocages, Felicity Peebles, Grigorii Rudakov, Gamini U. Sumanasekera
Size-Controlled Synthesis Of Nickel Nanoparticles Enclosed In Carbon Nanocages, Felicity Peebles, Grigorii Rudakov, Gamini U. Sumanasekera
Undergraduate Arts and Research Showcase
We have demonstrated a simple, scalable, and tunable method of obtaining densely packed Ni Nanoparticles encapsulated in Carbon Nanocages (Ni@CNCs). Using a facile method, it was shown that via a simple annealing process of precursor based on nickel acetate and citric acid, Ni@CNCs with sizes varying from 5 to 20 nm can be synthesized by changing the heating ramp rate during the synthesis from 25 to 53 °C/min. The final temperature of 600 °C was held for 10 min, and was the same for all the samples. X-Ray Diffraction (XRD) multiple peaks analysis was performed to show large Ni nanoparticles …
Validation Of Geant4 Upgrade To Model Response From Muons Passing Through The Klm Detector At The Belle Ii Experiment., Stephen C Temple, Swagato Banerjee Ph.D, David N. Brown Ph.D
Validation Of Geant4 Upgrade To Model Response From Muons Passing Through The Klm Detector At The Belle Ii Experiment., Stephen C Temple, Swagato Banerjee Ph.D, David N. Brown Ph.D
Undergraduate Arts and Research Showcase
The KLM detector or K0L- Muon Detector is equipped on the outermost layer of the Belle II detector structure. The detector is designed to detect the KL mesons and muons above 600 MeV/c with high efficiency. The barrel shaped region around the intersection point covers a polar angular range of 45° to 125° while the forward and backward end caps extend this range to 20° to 155°. With the upgraded Geant4 model we observe the effectiveness of the new PhysicsList.
Validation Of Upgrade Of The Geant4 Simulation Toolkit To Model The Responses From Top And Arich Detectors, Dominic M Smith, Mason A. Ross, Swagato Banerjee, Davis N. Brown
Validation Of Upgrade Of The Geant4 Simulation Toolkit To Model The Responses From Top And Arich Detectors, Dominic M Smith, Mason A. Ross, Swagato Banerjee, Davis N. Brown
Undergraduate Arts and Research Showcase
Belle II is the next generation B-Factory experiment at the world's highest luminosity accelerator the SuperKEKB collider, which is designed to collect 50 times more data than the previous generation experiments. A hallmark feature of B-Factory experiments is to use novel characteristics of Cherenkov detectors for identification of the flavor of charged particles passing through the detector. The TOP and the ARICH detectors can identify charged pions and kaons with high precision. The response to the passage of high energetic particles in the detector is modeled with the Geant4 simulation toolkit. Here we compare the performances of these two detectors …
Validating The Belle2 Physicslist In Geant4 V10.1.2, Dustyn D Hofer, Swagato Banerjee Dr., David N. Brown Dr., Atanu Pathak
Validating The Belle2 Physicslist In Geant4 V10.1.2, Dustyn D Hofer, Swagato Banerjee Dr., David N. Brown Dr., Atanu Pathak
Undergraduate Arts and Research Showcase
Since the start of software development at the Belle II experiment operating at the KEK national laboratory in Tsukuba, Japan, the simulation tool kit Geant4 has undergone several updates. As a member in the ongoing collaboration, the University of Louisville’s High Energy Physics (HEP) group is striving to validate newer versions of Geant4 to maximize improvements of physics performance.We have simulated the performance of a new physics list sub-module, the "Belle2 PhysicsList", with improved modeling of hadronic shower shape and standard electromagnetic processes. Using a reconstruction-based selection procedure on tau-pair events decaying into a final state consisting ofe lectrons, photons, …