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Deep Minima and Vortices for Positronium Formation in Low-Energy Positron-Hydrogen Collisions
Article using the two-channel Kohn inverse and Kohn variational methods to investigate ground-state positronium (Ps) formation in positron-hydrogen collisions in the Ore gap. This is the Accepted Manuscript Version of the article.
Date:
September 30, 2019
Creator:
Alrowaily, Albandari W.; Quintanilla, Sandra J. & Van Reeth, P.
Object Type:
Article
System:
The UNT Digital Library
Acoustic Metasurface-Aided Broadband Noise Reduction in Automobile Induced by Tire-Pavement Interaction
Article demonstrating a technique utilizing acoustic metasurfaces (AMSes) with high reflective characteristics using relatively lightweight materials for noise reduction without any change in mechanical strength or weight of the tire. The proposed design can significantly reduce the noise arising from tire–pavement interaction over a broadband of acoustic frequencies under 1000 Hz and over a wide range of vehicle speeds using a negative effective dynamic mass density approach.
Date:
July 30, 2021
Creator:
Heo, Hyeonu; Sofield, Matthew; Ju, Jaehyung & Neogi, Arup
Object Type:
Article
System:
The UNT Digital Library
Charged Particle Reflection by a Planar Artificially Structured Boundary With Electrostatic Plugging
This article uses a classical trajectory Monte Carlo simulation to investigate an artificially structured boundary for confinement and control of charged particles.
Date:
November 30, 2017
Creator:
Hedlof, R. M. & Ordonez, Carlos A.
Object Type:
Article
System:
The UNT Digital Library
Reverberation Mapping of High-Luminosity Quasars
This article presents the CIV BLR size and luminosity relation over eight orders of magnitude in luminosity, pushing the luminosity limit to its highest point so far.
Date:
October 30, 2017
Creator:
Kaspi, Shai; Brandt, William Nielsen; Maoz, Dan; Netzer, Hagai; Schneider, Donald P. & Shemmer, Ohad
Object Type:
Article
System:
The UNT Digital Library
Fast-Growing SMBHs in Fast-Growing Galaxies, at High Redshifts: The Role of Major Mergers as Revealed by ALMA
This article presents a long-term, multi-wavelength project to understand the epoch of fastest growth of the most massive black holes by using a sample of 40 luminous quasars at z ≃ 4.8.
Date:
September 30, 2017
Creator:
Trakhtenbrot, Benny; Lira, Paulina; Netzer, Hagai; Cicone, Claudia; Maiolino, Roberto & Shemmer, Ohad
Object Type:
Article
System:
The UNT Digital Library
A resonant single frequency molecular detector with high sensitivity and selectivity for gas mixtures
Article theoretically demonstrates a single low frequency gas detector that can be used for sensing of gas mixtures with high selectivity, accuracy, and sensitivity.
Date:
January 30, 2020
Creator:
Branković, Zorica & Rostovtsev, Yuri V.
Object Type:
Article
System:
The UNT Digital Library
Tunable Hybrid Phononic Crystal Lens Using Thermo-Acoustic Polymers
Article describes a study where a tunable hybrid solid ultrasonic lens is realized by combining a PnC lens with PVA-PNIPAm thermoacoustic hydrogel to modify the transmission and dispersion properties of transient acoustic waves.
Date:
September 30, 2019
Creator:
Walker, Ezekiel; Reyes-Contreras, Delfino; Jin, Yuqi & Neogi, Arup
Object Type:
Article
System:
The UNT Digital Library
Exploring thermal properties of nanoscale wide bandgap semiconductors via ultrafast thermal-emission spectroscopy
Data management plan for the grant, "Exploring thermal properties of nanoscale wide bandgap semiconductors via ultrafast thermal-emission spectroscopy." In this project, we aim to develop a new thermometrology technique based on ultrafast thermal emission to directly and accurately measure thermal properties of thin-film wide bandgap semiconductors.
Date:
2023-09-30/2025-09-29
Creator:
Xiao, Yuzhe
Object Type:
Text
System:
The UNT Digital Library