Cryogenic Chemistry and Quantitative Non‐Thermal Desorption from Pure Methanol Ices: High‐Energy Electron versus X‐Ray Induced Processes

D Torres‐Díaz, R Basalgète, M Bertin… - …, 2023 - Wiley Online Library
X‐Ray irradiation of interstellar ice analogues has recently been proven to induce
desorption of molecules, thus being a potential source for the still‐unexplained presence of …

Interstellar carbonaceous dust erosion induced by X-ray irradiation of water ice in star-forming regions

KJ Chuang, C Jäger, NE Sie, CH Huang… - The Astrophysical …, 2023 - iopscience.iop.org
The chemical inventory of protoplanetary midplanes is the basis for forming planetesimals.
Among them, solid-state reactions based on CO/CO 2 toward molecular complexity on …

Cryogenic vacuum considerations for future gravitational wave detectors

L Spallino, M Angelucci, A Pasqualetti, K Battes, C Day… - Physical Review D, 2021 - APS
In recent years, gravitational wave observatories have conquered the world science scene
due to their unprecedented capability to observe astrophysical signals. Those first …

X-ray induced desorption and photochemistry in CO ice

R Dupuy, M Bertin, G Féraud, C Romanzin… - Physical Chemistry …, 2021 - pubs.rsc.org
We report an investigation of X-ray induced desorption of neutrals, cations and anions from
CO ice. The desorption of neutral CO, by far the most abundant, is quantified and discussed …

The role of secondary electron yield in mitigating electrostatic charging in future gravitational waves detectors

L Spallino, M Angelucci, A Liedl, R Cimino - Vacuum, 2024 - Elsevier
Electrostatic charging is a known unwanted noise source that can limit measurement
sensitivity of present and future gravitational wave detectors. A mitigation method has been …

Can electrons neutralize the electrostatic charge on test mass mirrors in gravitational wave detectors?

L Spallino, M Angelucci, G Mazzitelli, R Musenich… - Physical Review D, 2022 - APS
The purpose of mitigating all potential effects that can detrimentally influence the sensitivity
of present and future gravitational wave detectors has triggered specific research and …

[HTML][HTML] Collector-based measurement of gas desorption and secondary electron emission induced by 0–1.4 keV electrons from LHC-grade copper at 15 K

M Haubner, V Baglin, B Henrist - … and Methods in Physics Research Section …, 2022 - Elsevier
Abstract CERN's Large Hadron Collider cryomagnets embed a 1.9 K UHV chamber lined
with a 5–20 K beam-screen (BS) that intercepts the synchrotron radiation and electron cloud …

[HTML][HTML] Electron conditioning of technical surfaces at cryogenic and room temperature in the 0–1 keV energy range

M Haubner, V Baglin, B Henrist - Vacuum, 2023 - Elsevier
In the superconducting magnets of the Large Hadron Collider (LHC) at CERN, most of the
beam-induced heat load is intercepted by a beam-screen (BS) cryogenically cooled to 5–20 …

Chemical and physical processes caused by electrons impacting on H2O–CO mixed ices

CH Huang, C Cecchi-Pestellini… - Monthly Notices of …, 2022 - academic.oup.com
Electron-induced chemistry is relevant to many processes that occur when an ionizing
source interacts with matter, as in the formation of complex molecules within frozen …

[HTML][HTML] Apparatus design of operando hydrogen microscope for visualization of time-dependent distribution of hydrogen

N Miyauchi, T Yakabe, Y Murase, M Kitajima… - Journal of Vacuum …, 2024 - pubs.aip.org
The operando hydrogen microscope is an original apparatus that has been developed to
visualize the time-dependent permeation of hydrogen through a sample. This apparatus is …