English
Related papers

Related papers: Neutron production induced by $\alpha$-decay with …

200 papers

We propose a new scheme of producing intense neutron beam whose yields exceed those of existing facilities by many orders of magnitude. This scheme uses the recently proposed photon beam extracted from circulating quantum ions, which is…

Nuclear Experiment · Physics 2017-12-06 T. Masuda , A. Yoshimi , M. Yoshimura

Background: Pion production gives information on the axial form factors of nucleon resonances. It also introduces a noticeable background to quasi-elastic measurements on nuclear targets and thus has a significant impact on precision…

Nuclear Theory · Physics 2013-08-08 O. Lalakulich , U. Mosel

We show how to produce antideuteron, antihelium, and other antinuclei in large fractions from the decays of a new particle $\phi$ that carries baryon number. Close to threshold, the production of nuclear bound states is preferred over the…

High Energy Physics - Phenomenology · Physics 2020-09-10 Julian Heeck , Arvind Rajaraman

Dark matter search experiments demand low to ultralow radiation background to operate. It is very important to understand the nature of the radiation background including knowledge about the sources contributing to it. Sometimes, evaluation…

Instrumentation and Methods for Astrophysics · Physics 2021-08-11 S. Banik , V. K. S. Kashyap , S. Ghosh , S. Dutta , B. Mohanty , Meghna K. K. , P. Bhattacharjee , S. Saha

We have measured both yields of neutron-proton and neutron-neutron pairs emitted from the non-mesonic weak decay process of 5_Lambda-He and 12_Lambda-C hypernuclei produced via the (pi^+,K^+) reaction for the first time. We observed clean…

The use of Thin-foil Proton Recoil (TPR) spectrometers for application in neutron spectroscopy is of high relevance for future fusion devices such as ITER, where neutron spectroscopy will play a crucial role in fuel content monitoring.…

Instrumentation and Detectors · Physics 2024-09-02 B. Marcinkevicius , E. Andersson Sunden , G. Ericsson , A. Hjalmarsson

We present a microscopic model for coherent pion production off nuclei induced by neutrinos. This model is built upon a model for single nucleon processes that goes beyond the usual Delta dominance by including non resonant background…

Nuclear Theory · Physics 2010-01-15 M. Valverde , J. E. Amaro , E. Hernandez , J. Nieves

We present the first measurements of the muon-induced neutron flux at the Boulby Underground Laboratory. The experiment was carried out with an 0.73 tonne liquid scintillator that also served as an anticoincidence system for the ZEPLIN-II…

The authors report on the use of carbon nanofiber nanoemitters to ionize deuterium atoms for the generation of neutrons in a deuterium-deuterium reaction in a preloaded target. Acceleration voltages in the range of 50-80 kV are used. Field…

The abBA collaboration proposes to conduct a comprehensive program of precise measurements of neutron $\beta$-decay coefficients $a$ (the correlation between the neutrino momentum and the decay electron momentum), $b$ (the electron energy…

High Energy Physics - Experiment · Physics 2007-05-23 E. Frlez

In this work we analyse the ultimate sensitivity of dark matter direct detection experiments, the "neutrino-floor", in the presence of anomalous sources of dark radiation in form of SM or semi-sterile neutrinos. This flux-component is…

High Energy Physics - Phenomenology · Physics 2020-09-01 Marco Nikolic , Suchita Kulkarni , Josef Pradler

Low-threshold dark matter detectors, in particular cryogenic detectors based on dielectric materials, are among the best tools for probing sub-GeV dark matter masses. In the coming years detectors of this type will become sensitive to solar…

High Energy Physics - Phenomenology · Physics 2025-10-09 James B. Dent , Barry A. Friedman , Jayden L. Newstead , Subir Sabharwal

$\underline{\textbf{MO}}$nte-carlo $\underline{\textbf{N}}$ucleon transport $\underline{\textbf{C}}$ode (MONC) for nucleon transport is extended for below 20MeV proton transport using ENDF and EXFOR data base. It is used to simulate…

Nuclear Theory · Physics 2023-10-23 H. Kumawat

The simulation of the neutron background for Phase II of the SIMPLE direct dark matter search experiment is fully reported with various improvements relative to previous estimates. The model employs the Monte Carlo MCNP neutron transport…

Instrumentation and Detectors · Physics 2016-01-27 A. C. Fernandes , A. Kling , M. Felizardo , T. A. Girard , A. R. Ramos , J. G. Marques , M. I. Prudêncio , R. Marques , F. P. Carvalho , I. Lázaro

High-energy neutrinos and photons are complementary messengers, probing violent astrophysical processes and structural evolution of the Universe. X-ray and neutrino observations jointly constrain conditions in active galactic nuclei (AGN)…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Idunn B. Jacobsen , Kinwah Wu , Alvina Y. L. On , Curtis J. Saxton

We investigate several Pb$(n,n'\gamma$) and Ge$(n,n'\gamma$) reactions. We measure $\gamma$-ray production from Pb$(n,n'\gamma$) reactions that can be a significant background for double-beta decay experiments which use lead as a massive…

Nuclear Experiment · Physics 2009-09-29 D. -M. Mei , S. R. Elliott , A. Hime , V. Gehman , K. Kazkaz

We present an accurate model of the muon-induced background in the DAMA/LIBRA experiment. Our work challenges proposed mechanisms which seek to explain the observed DAMA signal modulation with muon-induced backgrounds. Muon generation and…

High Energy Physics - Phenomenology · Physics 2015-04-16 J. Klinger , V. A. Kudryavtsev

The characteristics of the Solid-state Neutron Detector, under development for neutron-scattering measurements at the European Spallation Source, have been simulated with a Geant4-based computer code. The code models the interations of…

Neutrino-driven winds following core collapse supernovae have been proposed as a suitable site where the so-called light heavy elements (between Sr to Ag) can be synthetized. For moderately neutron-rich winds, ($\alpha,n$) reactions play a…

Solar and Stellar Astrophysics · Physics 2020-12-09 Jorge Pereira , Almudena Arcones , Julia Bliss , Fernando Montes

The natural uranium assembly, "QUINTA", was irradiated with 2, 4, and 8 GeV deuterons. The $^{232}$Th, $^{127}$I, and $^{129}$I samples have been exposed to secondary neutrons produced in the assembly at a 20-cm radial distance from the…