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Articles 1 - 5 of 5
Full-Text Articles in Physics
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, …