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Beams of Carbon nuclei are used or planned to be used in various centers for cancer treatment around the world because of their therapeutic advantages over proton beams. The knowledge of the fragmentation of Carbon nuclei when they interact…

We report on recent advances in the operation of bubble-assisted Liquid Hole Multipliers (LHM). By confining a vapor bubble under or adjacent to a perforated electrode immersed in liquid xenon, we could record both radiation-induced…

Instrumentation and Detectors · Physics 2018-12-26 E. Erdal , L. Arazi , A. Tesi , A. Roy , S. Shchemelinin , D. Vartsky , A. Breskin

In the beam pipe of the positron Main Damping Ring (MDR) of the Next Linear Collider (NLC), ionization of residual gases and secondary electron emission give rise to an electron cloud which can cause the loss of the circulating beam. One…

Accelerator Physics · Physics 2007-05-23 F. Le Pimpec , F. King , R. E. Kirby , M. Pivi

We study the H$\alpha$ and Ca II 8542 \r{A} line spectra of four typical Ellerman bombs (EBs) in active region NOAA 11765 on 2013 June 6, observed with the Fast Imaging Solar Spectrograph installed at the 1.6 meter New Solar Telescope at…

Solar and Stellar Astrophysics · Physics 2014-08-12 Jie Hong , M. D. Ding , Ying Li , Cheng Fang , Wenda Cao

The Atomic Spectroscopy and Collisions Using Slow Antiprotons (ASACUSA) experiment at the Antiproton Decelerator (AD) facility of CERN constructed segmented scintillators to detect and track the charged pions which emerge from antiproton…

Instrumentation and Detectors · Physics 2014-03-04 A. Sótér , K. Todoroki , T. Kobayashi , D. Barna , D. Horvath , M. Hori

We investigate the diffusion of cosmic rays into molecular cloud complexes. Using the cosmic-ray diffusion formalism of Protheroe, et al. (2008), we examine how cosmic rays diffuse into clouds exhibiting different density structures,…

High Energy Astrophysical Phenomena · Physics 2015-06-22 D. I. Jones

Measurements of polarized electron-nucleon scattering can be realized at the TESLA linear collider facility with projected luminosities that are about two orders of magnitude higher than those expected of other experiments at comparable…

The Boston University-Five College Radio Astronomy Observatory (BU-FCRAO) Galactic Ring Survey (GRS) of 13 CO (1-0) emission covers Galactic longitudes 18 deg < l < 55.7 deg and Galactic latitudes |b| <= 1 deg. Using the SEQUOIA array on…

Solar and Stellar Astrophysics · Physics 2009-11-13 J. M. Rathborne , A. M. Johnson , J. M. Jackson , R. Y. Shah , R. Simon

A beam profile monitor utilizing visible synchrotron radiation (SR) from a bending magnet has been designed and installed in Cornell Electron-Positron Storage Ring (CESR). The monitor employs a double-slit interferometer to measure both the…

Accelerator Physics · Physics 2014-05-30 S. T. Wang , D. L. Rubin , J. Conway , M. Palmer , D. Hartill , R. Campbell , R. Holtzapple

We present a description of the electronic structure of xenon within the density-functional theory formalism with the goal of accurately modeling dark-matter-induced ionisation in liquid xenon detectors. We compare the calculated electronic…

High Energy Physics - Phenomenology · Physics 2025-09-03 Riccardo Catena , Luca Marin , Marek Matas , Nicola A. Spaldin , Einar Urdshals

We studied double-layer WSe2 stacked on opposite sides of thin layers of hexagonal Boron nitride with different densities of electrons and holes. For a fixed hole density, the Coulomb drag resistance is found to exhibit plateaus…

Mesoscale and Nanoscale Physics · Physics 2026-04-17 Meizhen Huang , Zefei Wu , Chenxuan Lou , S. T. Chui , Ning Wang

Hybrid electric vehicles and portable electronic systems use supercapacitors for energy storage owing to their fast charging discharging rates, long life cycle, and low maintenance. Specific capacitance is regarded as one of the most…

The use of transverse electric (TE) waves has proved to be a powerful, noninvasive method for estimating the densities of electron clouds formed in particle accelerators. Results from the plasma simulation program VORPAL have been a useful…

Accelerator Physics · Physics 2015-06-18 Kiran G. Sonnad , Kenneth Hammond , Robert Schwartz , Seth Veitzer

The electron density ($n_{e^{-}}$) plays an important role in setting the chemistry and physics of the interstellar medium. However, measurements of $n_{e^{-}}$ in neutral clouds have been directly obtained only toward a few lines of sight…

Astrophysics of Galaxies · Physics 2021-07-16 P. Salas , M. R. Rugel , K. L. Emig , J. Kauffmann , K. M. Menten , F. Wyrowski , A. G. G. M. Tielens

Edge-TCT and charge collection measurements with passive test structures made in LFoundry 150 nm CMOS process on p-type substrate with initial resistivity of over 3 k$\Omega$cm are presented. Measurements were made before and after…

Instrumentation and Detectors · Physics 2018-08-01 I. Mandić , V. Cindro , A. Gorišek , B. Hiti , G. Kramberger , M. Zavrtanik , M. Mikuž , T. Hemperek

We have studied the performance of a new algorithm for electron/pion separation in an Emulsion Cloud Chamber (ECC) made of lead and nuclear emulsion films. The software for separation consists of two parts: a shower reconstruction algorithm…

A small-scale, two-phase (liquid/gas) xenon time projection chamber (Xurich II) was designed, constructed and is under operation at the University of Zurich. Its main purpose is to investigate the microphysics of particle interactions in…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 Laura Baudis , Yanina Biondi , Chiara Capelli , Michelle Galloway , Shingo Kazama , Alexander Kish , Payam Pakarha , Francesco Piastra , Julien Wulf

High quality electron beams, with high spatial and tempo- ral resolution, have an important use in electron diffraction experiments to probe and study the constituents of matter. A cold electron source is being developed based on elec- tron…

Accelerator Physics · Physics 2015-05-12 R Appleby , W. Bertsche , M. Harvey , M. Jones , B. Kyle , O. Mete , A. Murray , G. Xia

The electron cloud in vacuum pipes of accelerators of positively charged particle beams causes a beam energy loss which could be estimated from the synchronous phase. Measurements done with beams of 75 ns, 50 ns, and 25 ns bunch spacing in…

In particle accelerators, the build-up of electron cloud may have important influence on beam quality. Especially for the positron and proton accelerators, massive electrons lead to electron cloud, which affects the stability, energy,…

Accelerator Physics · Physics 2015-07-28 Jie Wang , Yan-Hui Xu , Bo Zhang , Yong Wang , Wei Wei