EMuS Muon Facility and Its Application in the Study of Magnetism

Tang, Jingyu; Ni, Xiaojie; Ma, Xiaoyan; Luo, Huiqian; Bao, Yu; Yuan, Y.; Yuan, Chen; Deng, F. S.; Dong, J.; Hou, Zhilong; Hu, Chunming; Jing, Hantao; Liang, H.; Mu, Qili; Ning, Congqin; Pan, Ziwen; Song, Yingpeng; Tang, J.; Vassilopoulos, Nikos; Wang, Haibo; Xie, Zongtai; Ye, Bangjiao; Zhang, Guoqing; Zhang, Yingge; Zhao, Guang; Zhao, Wei; Zhou, L.; Zhu, Daoben; Zhu, Z.A.; Zhuang, M.Q.

doi:10.3390/qubs2040023

Cited by 25 publications

(15 citation statements)

References 26 publications

(33 reference statements)

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“…The prospect in magnetism study at EMuS was described in ref. [9]. As EMuS is a pulsed muon source with a very low repetition rate, special considerations have been paid to the design of μSR spectrometers.…”

Section: Musr Applicationsmentioning

confidence: 99%

“…They are CMMS at TRIUMF, [1] SμS at PSI, [2] ISIS for particle physics, such as the Mu2e experiment [6] and Muon g-2 experiment [7] at Fermilab, and the COMET experiment [8] at J-PARC. New proposals for muon facilities include EMuS [9] at China Spallation Neutron Source (CSNS), the muon source [10] at RAON, the muon facility at SNS, and a study nuSTORM without fixing the site. In this article, the design of the EMuS (Experimental Muon Source) will be presented.…”

Section: Introductionmentioning

confidence: 99%

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EMuS – A Pulsed Muon Facility for Multidisciplinary Research

Tang

Yuan

et al. 2022

Physica Status Solidi (a)

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A pulsed muon facility (the so‐called EMuS) at the China Spallation Neutron Source (CSNS) has been studied since 2007. It aims for multidisciplinary applications but with a focus on those based on muon spin rotation/relaxation/resonance techniques. As a standalone facility, EMuS will take about 5% or 25 kW of the total beam power (500 kW) from the CSNS‐II accelerator complex. Two schemes have been designed: the baseline scheme is based on an inner conical target in graphite and superconducting solenoids for the capture and transport of pions and muons; the simplified scheme is based on a conventional thick target and room‐temperature magnets for transport. With the former, multiple kinds of muon beams can be provided, from surface muons, decay muons, negative muons, to low‐energy muons. Mainly surface muons are available with the simplified scheme. With a number of novel design concepts such as forward capture of pions/muons from a target station based on superconducting solenoids and triple spatial beam splitting of a muon beam, the design aspects of EMuS are presented here. The wide application potential and the R&D progress are also included.

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Section: Musr Applicationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

EMuS – A Pulsed Muon Facility for Multidisciplinary Research

Tang

Yuan

et al. 2022

Physica Status Solidi (a)

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“…µSR techniques in matter physics. The EMuS ability to produce a neutrino beam is however also an option under investigation at CSNS [1,2]. There are two muon beam schemes foreseen.…”

Section: Emus At Csnsmentioning

confidence: 99%

EMuS at CSNS Updated Target Studies

Vassilopoulos¹

2019

Proceedings of the 20th International Workshop on Neutrinos — PoS(NuFACT2018)

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In this article, the latest studies of the Experimental Muon Source (EMuS) target systems for muon production and capture are briefly presented. The EMuS is foreseen to be located at the China Spallation Neutron Source (CSNS) in Dongguan. It uses the proton driver of the neutron source and comprises of different target stations and beam lines for muons. EMuS will be a world class muon source especially competitive for muon Spin Resonance (µSR) experiments.

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“…In Switzerland, PSI is investigating new high intensity muon beams (HIMB) with a surface muon rate up to 10 10 /s based on its new target M (so-called "target H") [21,22]. In China, the first muon source EMuS is going to use solenoids to transport high intensity surface muon and pion beams in the baseline scenario [23].…”

Section: Introductionmentioning

confidence: 99%

Simulation studies for upgrading a high-intensity surface muon beamline at Paul Scherrer Institute

Zhou¹,

Ni²,

Salman³

et al. 2021

Preprint

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The µE4-LEM beamline at Paul Scherrer Institute (PSI, Switzerland) is a special muon beamline combining the hyprid type surface muon beamline µE4 with the low energy muon facility (LEM) and delivers µ + with tunable energy up to 30 keV for low-energy muon spin rotation experiments (LE-µSR). We investigate a possible upgrade scenario for the surface muon beamline µE4 by replacing the last set of quadrupole triplet with a special solenoid to obtain about 1.4 times original beam intensity on the LEM muon moderator target. In order to avoid the muon beam intensity loss at the LEM spectrometer due to the stray magnetic field of the solenoid, three kinds of solenoid models have been explored and the stray field of the solenoid at the LEM facility is finally reduced to the magnitude of the geomagnetic field. A more radical design, "Super-µE4", has also been investigated for further increasing the brightness of the low energy muon beam, where we make use of the current µE4 channel and all sets of quadrupole triplets are replaced by large aperture solenoids. Together with the new slanted muon target E, about 2.2 times the original low energy muon beam intensity can be expected in the Super-µE4 beamline.

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EMuS Muon Facility and Its Application in the Study of Magnetism

Cited by 25 publications

References 26 publications

EMuS – A Pulsed Muon Facility for Multidisciplinary Research

EMuS – A Pulsed Muon Facility for Multidisciplinary Research

EMuS at CSNS Updated Target Studies

Simulation studies for upgrading a high-intensity surface muon beamline at Paul Scherrer Institute

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