English
Related papers

Related papers: Fast neutron background characterization with the …

200 papers

To study the dependence of the equation of state of high density nuclear matter on the term characterizing the isospin (proton-neutron) asymmetry of nuclear matter, it is necessary to measure azimuthal flow of neutrons as well as azimuthal…

High Energy Physics - Experiment · Physics 2023-10-10 F. Guber , A. Ivashkin , N. Karpushkin , A. Makhnev , S. Morozov , D. Serebryakov , V. Baskov , V. Polyansky

CRESST II is an experiment for direct WIMP search, using cryogenic detectors. The ratio of the two signals (temperature rise and scintillation light) measured for each interaction is an excellent parameter for discrimination of radioactive…

High Energy Physics - Experiment · Physics 2007-05-23 H. Wulandari , F. von Feilitzsch , M. Huber , Th. Jagemann , J. Jochum , T. Lachenmaier , J. -C. Lanfranchi , W. Potzel , W. Rau , M. Stark , S. Waller

In this paper we describe the development and first tests of a neutron spectrometer designed for high flux environments, such as the ones found in fast nuclear reactors. The spectrometer is based on the conversion of neutrons impinging on…

Instrumentation and Detectors · Physics 2015-12-09 M. Osipenko , M. Ripani , G. Ricco , B. Caiffi , F. Pompili , M. Pillon , M. Angelone , G. Verona-Rinati , R. Cardarelli , G. Mila , S. Argiro

Background induced by neutrons in deep underground laboratories is a critical issue for all experiments looking for rare events, such as dark matter interactions or neutrinoless 2-beta decay. Neutrons can be produced either by natural…

Astrophysics · Physics 2009-06-23 V. A. Kudryavtsev , L. Pandola , V. Tomasello

For about a decade the IceCube Neutrino Observatory has been observing a high-energy diffuse astrophysical neutrino flux. At these energies, an important source of background are the prompt atmospheric neutrinos produced in decays of…

High Energy Astrophysical Phenomena · Physics 2023-09-15 Jakob Böttcher

The white neutron beamline at the China Spallation Neutron Source will be used mainly for nuclear data measurements. It will be characterized by high flux and broad energy spectra. To exploit the beamline as a neutron imaging source, we…

Instrumentation and Detectors · Physics 2018-05-22 Zhixin Tan , Jingyu Tang , Hantao Jing , Ruirui Fan , Qiang Li , Changjun Ning , Jie Bao , Xichao Ruan , Guangyuan Luan , Changqin Feng , Xianpeng Zhang

Model spectra of neutron star atmospheres are nowadays widely used to fit the observed thermal X-ray spectra of neutron stars. This fitting is the key element in the method of the neutronstar radius determination. Here, we present the basic…

High Energy Astrophysical Phenomena · Physics 2016-03-23 V. F. Suleimanov , J. Poutanen , D. Klochkov , K. Werner

The design of moderators and cold sources of neutrons is a key point in research-reactor physics, requiring extensive knowledge of the scattering properties of very important light molecular liquids such as methane, hydrogen and their…

Other Condensed Matter · Physics 2021-04-13 Eleonora Guarini

One of the robust features found in simulations of core-collapse supernovae (SNe) is the prompt neutronization burst, i.e. the first $\sim 25$ milliseconds after bounce when the SN emits with very high luminosity mainly $\nu_e$ neutrinos.…

Astrophysics · Physics 2016-08-30 M. Kachelriess , R. Tomas , R. Buras , H. -Th. Janka , A. Marek , M. Rampp

The emission from neutral hydrogen (HI) clouds in the post-reionization era (z < 6), too faint to be individually detected, is present as a diffuse background in all low frequency radio observations below 1420 MHz. The angular and frequency…

Astrophysics · Physics 2009-10-29 Somnath Bharadwaj , Shiv K. Sethi , Tarun Deep Saini

MOSCAB equipment, a geyser-concept bubble-chamber originally thought for the search of dark matter in the form of WIMPs, is employed for the detection of fast neutrons. Once the background-free operating conditions are determined such that…

The experiment "Neutrino-4" started in 2014 on a model, then it was continued on a full-scale detector, and now, has provided the measurement result on dependence of the flux and spectrum of reactor antineutrinos on the distance of 6 - 12…

Cherenkov detectors have been used in space missions for many decades, and for a variety of purposes, including for example, for Galactic Cosmic Ray (GCR) and Solar Energetic Particle (SEP) measurements. Cherenkov detectors are sensitive to…

Instrumentation and Detectors · Physics 2026-03-20 Christopher S. W. Davis , Fan Lei , Keith Ryden , Clive Dyer , Giovanni Santin , Piers Jiggens , Melanie Heil

Accurate cosmological simulations that include the effect of non-linear matter clustering as well as of massive neutrinos are essential for measuring the neutrino mass scale from upcoming galaxy surveys. Typically, Newtonian simulations are…

Cosmology and Nongalactic Astrophysics · Physics 2020-09-24 Christian Partmann , Christian Fidler , Cornelius Rampf , Oliver Hahn

Instrument backgrounds at neutron scattering facilities directly affect the quality and the efficiency of the scientific measurements that users perform. Part of the background at pulsed spallation neutron sources is caused by, and…

A natural neutron flux is one of significant kind of background in high-sensitive underground experiments. Therefore, when scheduling a delicate underground measurements one needs to measure neutron background. Deep underground the most…

Nuclear Experiment · Physics 2007-05-23 J. N. Abdurashitov , V. N. Gavrin , V. L. Matushko , A. A. Shikhin , V. E. Yants , J. Peltoniemi , T. Keranen

The variation of remotely sensed neutron count rates is measured as a function of cratercentric distance using data from the Lunar Prospector Neutron Spectrometer. The count rate, stacked over many craters, peaks over the crater centre, has…

The fast neutron rate is measured at the site of NEOS experiment, a short baseline neutrino experiment located in a tendon gallery of a commercial nuclear power plant, using a 0.78-liter liquid scintillator detector. A pulse shape…

We present a covariant ray tracing algorithm for computing high-resolution neutrino distributions in general relativistic numerical spacetimes with hydrodynamical sources. Our formulation treats the very important effect of elastic…

High Energy Astrophysical Phenomena · Physics 2018-11-21 M. Brett Deaton , Evan O'Connor , Y. L. Zhu , Andy Bohn , Jerred Jesse , Francois Foucart , Matthew D. Duez , G. C. McLaughlin

The new results concerning neutron emission detection from a laboratory high-voltage discharge in the air are presented. Data were obtained with a combination of plastic scintillation detectors and $^3$He filled counters of thermal…