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The newest neutron scattering applications are highly intensity-limited techniques that demand reducing the neutron losses between source and detectors. In addition, the nuclear industry demands more accurate data and procedures for the…

This paper presents experimental requirements to determine the neutrino mass hierarchy using reactor neutrinos. The detector shall be located at a baseline around 58 km from the reactor(s) to measure the energy spectrum of electron…

High Energy Physics - Experiment · Physics 2009-11-06 Liang Zhan , Yifang Wang , Jun Cao , Liangjian Wen

Large liquid xenon detectors aiming for dark matter direct detection will soon become viable tools also for investigating neutrino physics. Information on the effects of nuclear structure in neutrino-nucleus scattering can be important in…

Nuclear Theory · Physics 2018-04-25 Pekka Pirinen , Jouni Suhonen , Emanuel Ydrefors

Ambient radiation background contributed by the penetrating cosmic ray particles and the radionuclides present in the rock materials have been measured at an underground laboratory located inside a mine at 555 m depth. The laboratory is…

Instrumentation and Methods for Astrophysics · Physics 2022-03-14 Sayan Ghosh , Shubham Dutta , Naba Kumar Mondal , Satyajit Saha

Several non-threshold reactions which may be used to detect the cosmic neutrino background are presented. The corresponding cross sections are calculated analytically within the Standard Model. These reactions are sensitive not only to the…

Cosmology and Nongalactic Astrophysics · Physics 2014-07-31 I. Alikhanov

The ultrahigh energy range of neutrino physics (above $\sim 10^{7} \, \mathrm{GeV}$), as yet devoid of detections, is an open landscape with challenges to be met and discoveries to be made. Neutrino-nucleon cross sections in that range -…

High Energy Physics - Phenomenology · Physics 2023-11-07 Ivan Esteban , Steven Prohira , John F. Beacom

I describe the new instrumentation for the SIMPLE dark matter search experiment, and its use in identifying, validating and rejecting non-WIMP backgrounds in the first stage of the Phase II project measurements. Beyond intrinsic acoustic…

Instrumentation and Methods for Astrophysics · Physics 2011-01-11 M. Felizardo

To measure the main characteristics of radiative neutron decay, namely its relative intensity BR (branching ratio), it is necessary to measure the spectra of double coincidences between beta-electron and proton as well as the spectra of…

The methods used in the evaluation of the neutrino-nucleus cross section are reviewed. Results are shown for a variety of targets of practical importance. Many of the described reactions are accessible in future experiments with neutrino…

Nuclear Theory · Physics 2016-08-16 E. Kolbe , K. Langanke , G. Martínez-Pinedo , P. Vogel

We present an evaluation of the background induced by $^{241}$Am-$^{13}$C neutron calibration sources in the Daya Bay reactor neutrino experiment. As a significant background for electron-antineutrino detection at 0.26$\pm$0.12 per detector…

Instrumentation and Detectors · Physics 2016-07-21 W. Q. Gu , G. F. Cao , X. H. Chen , X. P. Ji , G. S. Li , J. J. Ling , J. Liu , X. Qian , W. Wang

We propose to search for light $U(1)$ dark photons, $A'$, produced via kinetically mixing with ordinary photons via the Compton-like process, $\gamma e^- \rightarrow A' e^-$, in a nuclear reactor and detected by their interactions with the…

High Energy Physics - Phenomenology · Physics 2017-08-30 HyangKyu Park

Dark matter direct detection experiments are going to touch the neutrino floor with a good chance to measure coherent elastic neutrino-nucleus scattering (CE$\nu$NS) and a probe of neutrino-related new physics ($\nu$NP). In this study, we…

High Energy Physics - Phenomenology · Physics 2024-11-26 Jian Tang , Bing-Long Zhang

The natural neutron background influences the maximum achievable sensitivity in most deep underground nuclear, astroparticle and double-beta decay physics experiments. Reliable neutron flux numbers are an important ingredient in the design…

Coherent elastic neutrino-nucleus scattering (CE$\nu$NS) poses an irreducible background in the search for dark matter-nucleus elastic scatterings, which is commonly known as the neutrino floor. As direct dark matter search experiments keep…

A toy detector has been designed to simulate central detectors in reactor neutrino experiments in the paper. The samples of neutrino events and three major backgrounds from the Monte-Carlo simulation of the toy detector are generated in the…

Data Analysis, Statistics and Probability · Physics 2009-02-23 Ye Xu , Yixiong Meng , Weiwei Xu

The neutron background spectrum from thermal neutron to 20 MeV fast neutron was measured at the first experimental hall of China Jinping underground laboratory with a Bonner multi-sphere spectrometer. The measurement system was validated by…

Instrumentation and Detectors · Physics 2017-04-26 Qingdong Hu , Hao Ma , Zhi Zeng , Jianping Cheng , Yunhua Chen , Shenming He , Junli Li , Manbin Shen , Shiyong Wu , Qian Yue , Jianfeng Yue , Hui Zhang

Next generation kilometer-scale neutrino telescopes, such as ICECUBE, can test standard model predictions for neutrino-nucleon cross sections at energies well beyond the reach of collider experiments. At energies near a PeV and higher, the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Dan Hooper

Recent measurements of the positron energy spectrum obtained from inverse beta decay interactions of reactor electron antineutrinos show an excess in the 4 to 6 MeV region relative to current predictions. First-principle calculations of…

Nuclear Experiment · Physics 2015-01-14 D. A. Dwyer , T. J. Langford

The application of Bayesian Neural Networks(BNN) to discriminate neutrino events from backgrounds in reactor neutrino experiments has been described in Ref.\cite{key-1}. In the paper, BNN are also used to identify neutrino events in reactor…

Data Analysis, Statistics and Probability · Physics 2009-03-12 Ye Xu , WeiWei Xu , YiXiong Meng , Bin Wu

Nuclear reactors represent a promising neutrino source for CE$\nu$NS (coherent-elastic neutrino-nucleus scattering) searches. However, reactor sites also come with high ambient neutron flux. Neutron capture-induced nuclear recoils can…

High Energy Physics - Experiment · Physics 2024-03-19 A. J. Biffl , A. Gevorgian , K. Harris , A. N. Villano