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Related papers: Neutrons from projectile fragmentation at 600 MeV/…

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Neutrino-nucleus coherent elastic scattering provides a theoretically appealing way to measure the neutron part of nuclear form factors. Using an expansion of form factors into moments, we show that neutrinos from stopped pions can probe…

Nuclear Theory · Physics 2013-05-30 Kelly Patton , Jonathan Engel , Gail C. McLaughlin , Nicolas Schunck

The cross sections for neutrino scattering off the 12C and 16O nuclei are calculated within the framework of the continuum Random Phase Approximation. A model to consider also the final state interactions is developed. Total…

Nuclear Theory · Physics 2009-11-11 Antonio Botrugno , Giampaolo Co'

We have measured production yields and longitudinal momentum distributions of projectile-like fragments in the reaction 129Xe + 27Al at an energy of Elab=790 AMeV. Production cross sections higher than expected from systematics were…

The first measurement of the dependence of $\gamma\gamma$ $\to$ $\mu^{+}\mu^{-}$ production on the multiplicity of neutrons emitted very close to the beam direction in ultraperipheral heavy ion collisions is reported. Data for lead-lead…

High Energy Physics - Experiment · Physics 2021-09-29 CMS Collaboration

We present our recent study of cross sections and angular distributions of projectile fragments from heavy-ion reactions at beam energy of 15 MeV/nucleon. We studied the production cross sections and the angular distributions of…

Nuclear Experiment · Physics 2021-03-22 O. Fasoula , G. A. Souliotis , Y. K. Kwon , K. Tshoo , M. Veselsky , S. J. Yennello , A. Bonasera

The pre-neutron-emission mass distributions for reaction $^{232}$Th(n, f) up to 60 MeV are systematically studied with an empirical fission potential model. The energy dependences of the peaks and valleys of the pre-neutron-emission mass…

Nuclear Theory · Physics 2015-06-17 Xiaojun Sun , Chenghua Pan , Chenggang Yu , Yongxu Yang , Ning Wang

The formation of the projectile spectator and the fragmentation processes in 107,124Sn + 120Sn collisions at 600 MeV/nucleon are studied with the isospin-dependent quantum molecular dynamics (IQMD) model. The minimum spanning tree algorithm…

Nuclear Theory · Physics 2018-10-31 Jun Su , Wolfgang Trautmann , Long Zhu , Wen-Jie Xie , Feng-Shou Zhang

We call "projectile fragmentation" of neutron halo nuclei the elastic breakup (diffraction) reaction, when the observable studied is the neutron-core relative energy spectrum. This observable has been measured in relation to the Coulomb…

Nuclear Theory · Physics 2017-08-23 Guillaume Blanchon , A. Bonaccorso , D. M. Brink , A. García-Camacho , N. Vinh Mau

Theoretical study of systematics of neutron scattering cross sections on various materials for neutron energies up to several hundred MeV are of practical importance. In this paper, we analysed various cross sections of neutron-nucleus…

Nuclear Theory · Physics 2007-05-23 S. V. Surya Narayan , Rajesh S. Gowda , S. Ganesan

Isotope yields of heavy residues produced in collisions of 238U with lead at 1AGeV show indications for a simultaneous break-up process. From the average N-over-Z ratio of the final residues up to Z = 70, the average limiting temperature of…

Nuclear Experiment · Physics 2009-11-07 K. -H. Schmidt , M. V. Ricciardi , A. Botvina , T. Enqvist

The experimental thermal neutron cross sections of the twenty proteinogenic amino acids have been measured over the incident-neutron energy range spanning from 1 meV to 10 keV and data have been interpreted using the multi-phonon expansion…

A new approach to the production and detection of bound neutron clusters is presented. The technique is based on the breakup of beams of very neutron-rich nuclei and the subsequent detection of the recoiling proton in a liquid scintillator.…

Nuclear Experiment · Physics 2009-11-07 F. M. Marques , M. Labiche , N. A. Orr

In heavy nuclei the ratio between local densities of neutrons and protons increases towards the nuclear periphery. The excess of neutrons is known as the neutron skin (NS) with a subtle difference ($<0.5$~fm) between the r.m.s radii of the…

Nuclear Theory · Physics 2022-10-19 Nikita Kozyrev , Aleksandr Svetlichnyi , Roman Nepeivoda , Igor Pshenichnov

General Fusion is building the Fusion Demonstration Plant to demonstrate a magnetized target fusion scheme in which a deuterium plasma is heated from 200 eV to 10 keV by piston-driven compression of a liquid-lithium liner. The multilayer…

Plasma Physics · Physics 2022-11-30 P. J. F. Carle , F. Retière , A. Sher , R. Underwood , K. Starosta , M. Hildebrand , S. Barsky , S. Howard

Production cross sections for neutron-rich nuclei from the fragmentation of a 82Se beam at 139 MeV/u were measured. The longitudinal momentum distributions of 126 neutron-rich isotopes of elements 11 <= Z <= 32 were scanned using an…

We solve the Langevin equations for the time evolution of parameters that describe the shape of fissioning system. On each integration step, we calculate the probability of neutron emission and estimate whether a neutron would be emitted or…

Nuclear Theory · Physics 2026-05-04 F. A. Ivanyuk , S. V. Radionov , C. Ishizuka , S. Chiba

The Thermo Scientific P385 Neutron Generator is a compact neutron source, producing 14 MeV neutrons through the deuterium-tritium (DT) fusion reaction. For practical use, it is important to measure and preferably understand the dependence…

Instrumentation and Detectors · Physics 2025-04-03 Jihye Jeon , Robert J. Goldston , Erik P. Gilson

Forthcoming fixed-target coherent elastic neutrino-nucleus scattering experiments aim at measurements with $\cal{O}(\text{tonne})$-scale detectors and substantially reduced systematic and statistical uncertainties. With such high quality…

High Energy Physics - Phenomenology · Physics 2023-08-30 D. Aristizabal Sierra

A new thermometer based on fragment momentum fluctuations is presented. This thermometer exhibited residual contamination from the collective motion of the fragments along the beam axis. For this reason, the transverse direction has been…

Superheated drops are known to detect neutrons through the nucleation caused by the recoil nuclei produced by the interactions of neutrons with the atoms constituting the superheated liquid molecule. A novel method of finding the neutron…

Instrumentation and Detectors · Physics 2009-11-06 Mala Das , B. K. Chatterjee , B. Roy , S. C. Roy