北京散裂中子源快循环同步环磁聚焦结构设计

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󰀊30󰀁󰀇󰀋󰀁2006󰀄2󰀎󰀆󰀃󰀉󰀂󰀈󰀇󰀉󰀂HIGHENERGYPHYSICSANDNUCLEARPHYSICSVol.30,Supp.󰀁Feb.,2006

󰀁󰀂󰀃󰀁󰀂󰀂󰀁󰀄󰀆󰀁󰀁󰀃󰀁󰀁󰀄󰀁󰀅󰀂󰀁󰀁

󰀁󰀂1)󰀂󰀃󰀂󰀄󰀂󰀁󰀄󰀃

(󰀎󰀐󰀅󰀍󰀌󰀆󰀃󰀉󰀂󰀄󰀎󰀇󰀇󰀆100049)

󰀃󰀂󰀂󰀄󰀁󰀁󰀃󰀁(RCS)󰀃󰀂󰀂󰀂󰀂󰀂󰀄󰀁(BSNS)󰀁󰀂󰀁󰀁󰀁󰀂󰀁󰀅󰀂,󰀁󰀂󰀁󰀁󰀂󰀂󰀃󰀂󰀃󰀁󰀂󰀁󰀂󰀄󰀄󰀂󰀄󰀆󰀃󰀂󰀃󰀁.󰀃󰀅󰀁󰀅󰀁󰀁󰀃󰀁󰀂󰀂󰀂󰀂󰀂󰀄󰀁RCS󰀁󰀁󰀁󰀁󰀃󰀁󰀇󰀁󰀈󰀁,󰀃󰀂󰀁󰀂

󰀁󰀁󰀃󰀈󰀁󰀁󰀂󰀁󰀁󰀂,󰀁󰀄󰀃󰀂󰀄󰀁󰀁󰀁󰀁󰀂󰀃󰀂󰀁󰀁󰀇󰀁󰀈󰀁.

󰀅󰀂󰀂󰀂󰀂󰀂󰀂󰀂󰀄󰀁󰀂󰀄󰀁󰀁󰀃󰀁󰀁󰀇󰀁󰀈󰀁

1󰀁󰀃

󰀇󰀆󰀍󰀊󰀎󰀍󰀁(BSNS)󰀐󰀊󰀃󰀇󰀂󰀋󰀅󰀅

100—200kW󰀂󰀕󰀋󰀅󰀍󰀊󰀎󰀍󰀁,󰀆󰀅󰀁󰀇󰀂󰀋󰀅

󰀋󰀆󰀔500kW󰀂󰀃󰀈.󰀆󰀇󰀕󰀋󰀅󰀍󰀊󰀎󰀍󰀁,󰀋󰀃

󰀅󰀁󰀁󰀊󰀄󰀄󰀊󰀐󰀈󰀍󰀂󰀌󰀂:1)󰀎󰀁󰀉󰀇󰀃󰀌󰀂󰀆

󰀁󰀋󰀃󰀅(Linac)󰀋󰀉󰀆󰀃󰀌󰀂󰀄󰀎󰀃󰀄󰀌󰀃(RCS);

2)󰀄󰀃󰀌󰀂󰀆󰀁󰀋󰀃󰀅󰀋󰀍󰀋󰀃(AR).󰀆󰀇BSNS󰀉

󰀇󰀇󰀂󰀋󰀅󰀅󰀉󰀃kW󰀆󰀂󰀍󰀊󰀎󰀍󰀁,󰀎󰀁󰀇󰀃󰀆

󰀁󰀋󰀄󰀎󰀃󰀄󰀌󰀋󰀃󰀅󰀂󰀁󰀁,󰀂󰀁󰀁󰀑󰀋󰀃󰀅󰀂󰀁

󰀅󰀌󰀉󰀏󰀈󰀇󰀁.

BSNS󰀋󰀃󰀅󰀃80MeV󰀂󰀆󰀁󰀋󰀃󰀅󰀁󰀆󰀆󰀃󰀌

󰀅1.6GeV󰀂RCS󰀉󰀆󰀁󰀋󰀃󰀅󰀔RCS󰀂󰀇󰀂󰀇󰀃󰀁

󰀄󰀂.󰀆󰀁󰀋󰀃󰀅󰀂80MeV󰀇󰀂󰀅󰀋󰀔RCS󰀎,󰀈󰀁

󰀍󰀋󰀉󰀋󰀃,󰀉󰀊󰀁󰀃1.6GeV,󰀋󰀅100kW󰀁󰀃󰀂󰀌

󰀍󰀇󰀂.󰀃1󰀇󰀈󰀆󰀇󰀂󰀂󰀅󰀈󰀐󰀉.

󰀃1BSNS/RCS󰀅󰀈󰀇󰀂󰀐󰀉

󰀇󰀂󰀋󰀅/kW100—200󰀅󰀋󰀇󰀂󰀁󰀃/GeV0.08󰀅󰀈󰀇󰀂󰀁󰀃/GeV1.6󰀁󰀍󰀉󰀅/Hz25󰀃󰀋󰀅󰀌󰀍󰀉1.56×1013—3.12×1013󰀅󰀋󰀇󰀉󰀅󰀏/T·m1.320󰀅󰀈󰀇󰀉󰀅󰀏/T·m7.8670

1)E-mail:wangs@ihep.ac.cn123—125124󰀆󰀃󰀉󰀂󰀈󰀇󰀉󰀂(HEP&NP)󰀊30󰀁

󰀐󰀉󰀉󰀇

2.3󰀅󰀂󰀁󰀁󰀂󰀁󰀂󰀁󰀃󰀂󰀄󰀂

󰀆󰀇󰀌󰀃󰀍󰀃󰀃󰀆󰀁󰀑󰀈,󰀑󰀈󰀆󰀍󰀁pQx±

qQy=3n,p,q,n󰀅󰀏󰀉,󰀍󰀊󰀄󰀂󰀆󰀑󰀈󰀆󰀍󰀁󰀊󰀋

󰀃󰀆,󰀌󰀂󰀂󰀊󰀃󰀍󰀑󰀋󰀒󰀊󰀂󰀍,󰀈󰀑󰀐󰀌󰀍󰀁󰀅

󰀂󰀑󰀈󰀆󰀍󰀁.󰀆󰀆󰀆󰀇RCS,󰀃󰀇󰀇󰀃󰀌󰀍󰀏󰀅󰀂

󰀆󰀎󰀋󰀅󰀅󰀊,󰀅󰀅󰀂󰀏󰀃󰀂󰀉󰀋.BSNS/RCS󰀄󰀅

󰀋󰀍,󰀆󰀎󰀋󰀅󰀅󰀊󰀒󰀉󰀂󰀆󰀃󰀉󰀋󰀇󰀍󰀁0.3,󰀄󰀁

󰀇󰀌󰀂󰀊󰀃󰀎󰀂󰀊󰀄󰀊󰀈󰀂󰀄󰀇󰀍󰀑󰀈󰀆󰀍󰀁󰀂󰀄󰀌

󰀁󰀉,󰀁󰀒󰀄󰀆󰀍󰀑󰀈󰀆󰀍󰀁󰀅󰀂󰀂󰀇󰀂󰀅󰀌.󰀃2󰀎

󰀇󰀈󰀂󰀂󰀊󰀃Qx/Qy=4.88/4.80󰀐󰀌󰀃󰀑󰀈󰀂󰀊󰀁

󰀉󰀃󰀁󰀉,Lattice󰀋󰀈󰀂󰀂󰀊󰀃󰀌󰀏󰀉󰀏󰀏󰀇,󰀊󰀁

󰀁󰀈󰀃󰀂󰀄±0.5󰀄󰀄󰀂󰀏󰀇󰀌󰀏,󰀈󰀅󰀆󰀇󰀂󰀂󰀆󰀉

󰀂󰀉󰀅󰀂󰀃󰀂󰀇󰀁.󰀁󰀊󰀂󰀊󰀃󰀃󰀆󰀁󰀏󰀂3—4󰀉󰀂

󰀂󰀂󰀋󰀁󰀌󰀏,󰀌󰀁󰀂󰀊󰀉󰀍󰀆󰀋󰀁󰀂󰀐󰀈󰀈󰀆󰀂󰀊

󰀃󰀂󰀌󰀏.

3󰀁󰀁󰀂󰀃󰀃󰀁󰀁󰀅󰀃󰀃

󰀊󰀃2󰀎󰀇󰀈,󰀄󰀆󰀎󰀆󰀁󰀁󰀈󰀐󰀏󰀃,󰀎󰀅󰀆

󰀁󰀁󰀉󰀍,󰀊󰀄󰀐󰀇󰀃󰀌󰀍󰀂󰀉󰀍,󰀁󰀁󰀃󰀑󰀄󰀐󰀑

󰀈󰀂.󰀃󰀇󰀌󰀁󰀎󰀁FODO󰀄󰀋,󰀎󰀖󰀁󰀁󰀃󰀑󰀃󰀇

󰀗󰀈.󰀃󰀁󰀌󰀁󰀂󰀅8󰀈󰀃󰀂󰀂,󰀈󰀅󰀂󰀄󰀗󰀈󰀁󰀁

󰀃󰀑,󰀆󰀇󰀋󰀃󰀍󰀄󰀌󰀍󰀁󰀁.󰀄󰀅󰀋󰀃󰀂󰀍󰀂󰀇󰀉

󰀅,󰀆󰀉󰀂󰀉󰀄󰀄󰀁󰀌󰀈󰀍󰀍󰀁󰀁󰀆󰀋󰀁.󰀊󰀆3󰀇

󰀏,󰀆󰀎󰀇󰀈󰀆󰀊󰀍󰀁󰀁󰀃󰀑󰀔−1󰀍,󰀁󰀌󰀈󰀍󰀈󰀄

󰀅0󰀉±1%󰀍󰀊󰀁󰀍󰀃󰀃󰀂󰀁󰀊󰀉󰀈󰀆󰀁󰀈󰀆󰀉󰀂󰀉

󰀂󰀁󰀁.󰀄󰀆󰀂󰀈󰀁󰀄󰀆󰀍󰀊󰀉󰀂󰀉󰀋󰀆󰀌󰀇󰀂󰀇󰀉

󰀅,󰀃󰀆(󰀈󰀁󰀄󰀂󰀈)1000󰀂󰀂󰀉󰀏󰀑󰀒󰀃󰀁󰀆󰀁󰀌

󰀈󰀍󰀅±1%󰀂󰀇󰀍,󰀁󰀈󰀍󰀃󰀊󰀃󰀇5σx×5σy,σx󰀉󰀇󰀋󰀁󰀂󰀊󰀅󰀂󰀇󰀆󰀍󰀊󰀎󰀍󰀁󰀄󰀎󰀃󰀄󰀌󰀃󰀉󰀐󰀅󰀑󰀈󰀆󰀊125

󰀄󰀁󰀁󰀁(References)1WEIJetal.ProceedingsofEPAC2000,2000,978—980

LatticeDesignfortheBSNSRapidCyclingSynchrotron

WANGSheng1)QINQingTANGJing-YuFANGShou-Xian

(InstituteofHighEnergyPhysics,CAS,Beijing100049,China)

AbstractRapidCyclingSynchrotron(RCS)isakeycomponentoftheBeijingSpallationNeutronSource(BSNS),andanoptimallatticedesignisessentialfortheassessmentandthefutureoperation.Basedonthecomparisonofseveraltypesoflatticestructure,aFODO/Triplethybridstructureispresented.Twoalternativelatticesarealsogiven,andthemeritsandthedemeritsofeachlatticearediscussed.

KeywordsBeijingspallationneutronsource,rapidcyclingsynchrotron,lattice