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The transport of neutrons in long beamlines at spallation neutron sources presents a unique challenge for Monte-Carlo transport calculations. This is due to the need to accurately model the deep-penetration of high-energy neutrons through…

Instrumentation and Detectors · Physics 2020-01-07 Douglas D. DiJulio , Isak Svensson , Xiao Xiao Cai , Joakim Cederkall , Phillip M. Bentley

We aim at building an accelerator based compact neutron source which would provide a thermal neutron flux on the order of 4E12 n.s-1.cm-2.sr-1. Such brilliance would put compact neutron sources on par with existing medium flux neutron…

A new mechanism is suggested for efficient proton acceleration in the GeV energy range; applications to non-conventional high intensity proton drivers and, hence, to low-energy (10-200 MeV) neutrino sources are discussed. In particular we…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. V. Bulanov , T. Esirkepov , P. Migliozzi , F. Pegoraro , T. Tajima , F. Terranova

The SNO+ Collaboration reports the first evidence of reactor antineutrinos in a Cherenkov detector. The nearest nuclear reactors are located 240~km away in Ontario, Canada. This analysis uses events with energies lower than in any previous…

Nuclear Experiment · Physics 2023-03-30 SNO+ Collaboration , : , A. Allega , M. R. Anderson , S. Andringa , J. Antunes , M. Askins , D. J. Auty , A. Bacon , N. Barros , F. Barao , R. Bayes , E. W. Beier , T. S. Bezerra , A. Bialek , S. D. Biller , E. Blucher , E. Caden , E. J. Callaghan , S. Cheng , M. Chen , B. Cleveland , D. Cookman , J. Corning , M. A. Cox , R. Dehghani , J. Deloye , C. Deluce , M. M. Depatie , J. Dittmer , K. H. Dixon , F. Di Lodovico , E. Falk , N. Fatemighomi , R. Ford , K. Frankiewicz , A. Gaur , O. I. Gonzalez-Reina , D. Gooding , C. Grant , J. Grove , A. L. Hallin , D. Hallman , W. J. Heintzelman , R. L. Helmer , J. Hu , R. Hunt-Stokes , S. M. A. Hussain , A. S. Inacio , C. J. Jillings , S. Kaluzienski , T. Kaptanoglu , P. Khaghani , H. Khan , J. R. Klein , L. L. Kormos , B. Krar , C. Kraus , C. B. Krauss , T. Kroupova , I. Lam , B. J. Land , I. Lawson , L. Lebanowski , J. Lee , C. Lefebvre , J. Lidgard , Y. H. Lin , V. Lozza , M. Luo , A. Maio , S. Manecki , J. Maneira , R. D. Martin , N. McCauley , A. B. McDonald , C. Mills , I. Morton-Blake , S. Naugle , L. J. Nolan , H. M. O'Keeffe , G. D. Orebi Gann , J. Page , W. Parker , J. Paton , S. J. M. Peeters , L. Pickard , P. Ravi , A. Reichold , S. Riccetto , R. Richardson , M. Rigan , J. Rose , R. Rosero , J. Rumleskie , I. Semenec , P. Skensved , M. Smiley , R. Svoboda , B. Tam , J. Tseng , E. Turner , S. Valder , C. J. Virtue , E. Vazquez-Jauregui , J. Wang , M. Ward , J. R. Wilson , J. D. Wilson , A. Wright , J. P. Yanez , S. Yang , M. Yeh , S. Yu , Y. Zhang , K. Zuber , A. Zummo

The vortex matter in bulk type-II superconductors serves as a prototype system for studying the random pinning problem in condensed matter physics. Since the vortex lattice is embedded in an atomic lattice, small angle neutron scattering…

Materials Science · Physics 2011-03-29 Xi Wang , Helen A. Hanson , Xinsheng Sean Ling , Charles F. Majkrzak , Brian B. Maranville

Multiple types of high quality neutron detectors are proposed for the first phase of the China Spallation Neutron Source (CSNS), which will be commissioned in 2018. Considering the shortage of 3He supply, a detector module composed of 49…

Instrumentation and Detectors · Physics 2017-03-21 Zhaoyang Xie , Jianrong Zhou , Yushou Song , Liang Sun , Zhijia Sun , Bitao Hu , Yuanbo Chen

A new compact linear proton accelerator project (named LINAC 7) for multiple low-current applications, designed and built in-house at the Beam Laboratory of the University of the Basque Country (UPV/EHU) is described. The project combines…

A fast-switching, high-repetition-rate magnet and power supply have been developed for and operated at TRIUMF, to deliver a proton beam to the new ultracold neutron (UCN) facility. The facility possesses unique operational requirements: a…

Efficient neutron transport is a key ingredient to the performance of ultracold neutron (UCN) sources, important to meeting the challenges placed by high precision fundamental physics experiments. At the Paul Scherrer Institute's UCN source…

Instrumentation and Detectors · Physics 2022-06-22 G. Bison , M. Daum , K. Kirch , B. Lauss , D. Ries , P. Schmidt-Wellenburg , G. Zsigmond

Carbon Nanotubes have shown to be an attractive option in the race to find a replacement to silicon-based transistors, due to its high electrical conductivity, extraordinary mechanical strength, and thermal conductivity. However, challenges…

In Chinese Spallation Neutron Source (CSNS), proton beam is used to hit metal tungsten target, and then high flux neutrons are generated for experiments on instruments. For neutron flux spectrum correction, boron-coated GEM, lithium glass…

Instrumentation and Detectors · Physics 2018-06-22 Jian Zhuang , Ke Zhou , Lijiang Liao , Lei Hu , Jiajie Li , Yongxiang Qiu

Contemporary ultraintense, short-pulse laser systems provide extremely compact setups for the production of high-flux neutron beams, such as those required for nondestructive probing of dense matter, research on neutron-induced damage in…

The development of compact neutron sources for applications is extensive and features many approaches. Let alone ion-based approaches, several projects with different parameters exist. This article focuses on ion-based neutron production…

Instrumentation and Detectors · Physics 2023-07-13 Benedikt Schmitz , Stefan Scheuren

The coherent elastic scattering of neutrinos on nuclei, also known as CEvNS, has been studied for several years by the COHERENT program of experiments using neutrinos from stopped-pion decays produced at the Spallation Neutron Source (SNS).…

The ANTARES telescope has the opportunity to detect transient neutrino sources, such as gamma-ray bursts (GRBs), core-collapse supernovae (SNe), flares of active galactic nuclei (AGNs)... To enhance the sensitivity to these sources, we are…

Nested sampling (NS) has emerged as a powerful tool for exploring thermodynamic properties in materials science. However, its efficiency is often hindered by the limitations of Markov chain Monte Carlo (MCMC) sampling. In strongly…

Statistical Mechanics · Physics 2025-07-31 Nico Unglert , Livia Bartók Pártay , Georg K. H. Madsen

Two new facilities have recently been proposed to measure low energy neutrino-nucleus cross sections, the nu-SNS (Spallation Neutron Source) and low energy beta beams. The former produces neutrinos by pion decay at rest, while the latter…

Nuclear Theory · Physics 2009-11-10 G. C. McLaughlin

The R&D mission of the Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is described in detail. ANNIE is: (1) an important measurement of neutrino-nucleus interactions focusing specifically on neutron production, and (2) an R&D…

Using the China Spallation Neutron Source (CSNS) linac as the injector, a 500 MeV proton synchrotron is proposed for multidisciplinary application, such as biology, material and proton therapy. The synchrotron will deliver proton beam with…

Accelerator Physics · Physics 2016-09-21 Liang-Sheng Huang , Sheng Wang , Hong-Fei Ji