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Photon readout of plastic scintillators is investigated with the aim of improving the precision of neutron \b{eta} decay experiments. Neutron decay is nowadays studied with high statistics, based on up to 109 registered decay events, and…

Instrumentation and Detectors · Physics 2021-06-08 Dirk Dubbers

Spectra of unbound electron-positron pairs (dielectrons, in brief) and photons from decays of parapositronia produced in ultraperipheral collisions of electrically charged objects are calculated. Their shapes at energies of the NICA…

High Energy Physics - Phenomenology · Physics 2020-07-01 I. M. Dremin

Irradiation effects in Ni-17Mo-7Cr alloy, which is an newly developed structural material for molten salt reactor (MSR), have been systematically investigated by using 3MeV Au ions at different fluences, corresponding to dpa number…

Materials Science · Physics 2014-07-08 Peng Guo , Long Yan , Qing Huang , Zhijun Li , Ping Huai , Xingtai Zhou , Jianming Xue

Solid NH3 and ND3 provide a highly polarizable, radiation resistant source of polarized protons and deuterons and have been used extensively in high luminosity experiments investigating the spin structure of the nucleon. Over the past…

Nuclear Experiment · Physics 2008-11-26 K. Slifer

Low-Gain Avalanche Detectors (LGADs) are the leading 4D sensing technology selected for use in the High Luminosity Large Hadron Collider (HL-LHC). However, their proximity to the interaction point makes them highly susceptible to…

Instrumentation and Detectors · Physics 2025-06-23 Rajiv Gupta , Sunidhi Saxena , Kalpna Tiwari , Rahul Sharma , Namrata Agrawal , Ashutosh Bhardwaj , Kirti Ranjan , Ajay Kumar

This analysis focuses on probing the lepton portal dark matter using Monte Carlo simulated samples from electron-positron collisions at the International Linear Collider (ILC) of 500 GeV center of mass energy with an integrated luminosity…

High Energy Physics - Experiment · Physics 2024-11-19 Y. Mahmoud , J. Kawamura , M. T. Hussein , H. Abdallah , S. Elgammal

The employment of ultrashort laser sources at the mid-IR spectral region for transparent materials is designed to open new routes for laser patterning and a wealth of exciting applications in optics and photonics. To elucidate the material…

Optics · Physics 2023-02-08 George D Tsibidis , Emmanuel Stratakis

In ultraperipheral relativistic deuteron on heavy-ion collisions, a photon emitted from the heavy nucleus may dissociate the deuterium ion. We find deuterium breakup cross sections of 1.38 barns for deuterium-gold collisions at a center of…

Nuclear Experiment · Physics 2010-07-02 Spencer Klein , Ramona Vogt

International Linear Collider (ILC) is an electron-positron collider with the initial center-of-mass energy of 500 GeV which is upgradable to about 1 TeV later on. Its goal is to study the physics at TeV scale with unprecedented high…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hitoshi Yamamoto

The International Linear Collider (ILC) is a 200-500 GeV center-of-mass high-luminosity linear electron-positron collider, based on 1.3 GHz superconducting radio-frequency (SCRF) accelerating cavities. The ILC has a total footprint of about…

Accelerator Physics · Physics 2009-09-29 James Brau , Yasuhiro Okada , Nicholas Walker

Carbon ions offer significant advantages for deep-seated local tumors therapy due to their physical and biological properties. Secondary particles, especially neutrons caused by heavy ion reactions should be carefully considered in…

Medical Physics · Physics 2016-08-03 Jun-Kui Xu , You-Wu Su , Wu-Yuan Li , Wei-Wei Yan , Xi-Meng Chen , Wang Mao , Cheng-Guo Pang

We study the electron-loss-to-continuum (ELC) cusp experimentally and theoretically by comparing the ionization of U$^{89+}$ projectiles in collisions with N$_2$ and Xe targets, at a beam energy of 75.91 MeV/u. The coincidence measurement…

1D or 2D neutron imaging detectors with individual wire or strip readout using discriminators have the advantage of being able to treat several neutron impacts partially overlapping in time, hence reducing global dead time. A single neutron…

Eight PbWO4 crystals produced for the electromagnetic calorimeter of the CMS experiment at LHC have been irradiated in a 20 GeV/c proton beam up to fluences of 5.4 E13 p/cm2. The damage recovery in these crystals, stored in the dark at room…

Instrumentation and Detectors · Physics 2009-11-11 P. Lecomte , D. Luckey , F. Nessi-Tedaldi , F. Pauss

Polarized targets evolved into indispensable tools in particle and nuclear physics. However, the polarized solid target is degraded by high-intense beam irradiation, known as radiation damage due to target heating and radical generation. We…

To increase the scientific output of particle physics experiments, upgrades are underway at all major accelerator facilities to significantly improve the luminosity. Consequently, the solid-state detectors used in the experiments will…

Instrumentation and Detectors · Physics 2024-07-25 Jürgen Burin , Christopher Hahn , Philipp Gaggl , Andreas Gsponer , Simon Waid , Thomas Bergauer

On the basis of new photon scattering measurements and a reevaluation of average neutron resonance capture data we investigate how well Lorentzians adjusted to photo-neutron data in the giant dipole resonances give a good description of the…

By solving the Fokker-Planck equation directly we examine effects of annihilation, particle escape and injection on the form of a steady-state positron distribution in thermal hydrogen plasmas with $kT<m_ec^2$. We show that the escape of…

Astrophysics · Physics 2011-05-23 I. V. Moskalenko , E. Jourdain

A novel, non-invasive method of measuring the beam energy at the International Linear Collider is proposed. Laser light collides head-on with beam particles and either the energy of the Compton scattered electrons near the kinematic…

Instrumentation and Detectors · Physics 2009-08-05 N. Muchnoi , H. J. Schreiber , M. Viti

A high-strength dual alpha+beta phase titanium alloy Ti-6Al-4V is utilized as a material for beam windows in several accelerator target facilities. However, relatively little is known about how material properties of this alloy are affected…