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physics.atom-ph2023
Trapped particle evolution driven by residual gas collisions
Avinash Deshmukh, Riley A. Stewart, Pinrui Shen +2
We present a comprehensive mathematical model and experimental measurements for the evolution of a trapped particle ensemble driven by collisions with a room-temperature background…
physics.atom-ph2019
Optical Quenching of Metastable Helium Atoms using Excitation to the State
Jiwen Guan, Vivien Behrendt, Pinrui Shen +5
Discharge and electron-impact excitation lead to the production of metastable helium atoms in two metastable states, 2S and 2S. However, many applications require p…
physics.atom-ph2019
Universality of Diffractive Collisions and the Quantum Pressure Standard
James L. Booth, Pinrui Shen, Roman V. Krems +1
This work demonstrates that quantum diffractive collisions, those that result in very small momentum and energy transfer, are universal. Specifically, the cumulative energy distrib…