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Wh.t is going on in magnesium al.oy.？

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Jour.al.of Mater.al. Science & Tech.ol.gy 2018年第2期34卷 245-247页

作者： x.J. wang d.K. x. r.z. Wu x.B. Chen Q.M. Peng l. Jin y.C. x.n z.Q. z.9}ng y. l.u x.h. Chen G. Chen K.K. deng h.y. wang Sch.ol.of Mater.al. Science and Engineer.ng Harbin Institute of Technology Harbin 150001 China Key.l.bor.tor.0}of Nucl.ar.Mater.al. and Safety.Assessment Institute of Metal Research Chinese Academy of Sciences Shenyang 110016 China Key.l.bor.tor.0}of Super.igh. Mater.al. & Sur.ace Tech.ol.gy.(Ministr.0}of Education) Harbin Engineering University Harbin 150001 China Sch.ol.of Engineer.ng RMIT University City Campus Carlton VIC 3053 Australia State Key.l.bor.tor.0}of Metastabl. Mater.al. Science and Tech.ol.gy Yanshan University Qinhuangdao 066004 China National.Engineer.ng r.sear.h.Center.of l.gh. Al.oy.Net For.ing Shanghai Jiao Tong University Shanghai 200240 China Col.ege of Mater.al. Science and Engineer.ng Chongqing University Chongqing 400030 China Key.l.b of El.ctr.magnetic Pr.cessing of Mater.al. Ministry of Education Northeastern UniversityShnenyang 110819China Key.l.bor.tor.0}of l.gh.weigh. and h.gh.Str.ngth.Str.ctur.l.Mater.al. of Jiangx. Pr.vince Nanchang University Nanchang 330031 China Sch.ol.of Chemical.Engineer.ng and Tech.ol.gy Tianjin University Tianjin 300350 China Sh.nx. Key.l.bor.tor.2}of Advanced Magnesium-Based Mater.al. Taiyuan University of Technology Taiyuan 030024 China Key.l.bor.tor.0}of Automobil. Mater.al. of Ministr.0}of Education & Sch.ol.of Mater.al. Science and Engineer.ng Jilin University Changchun 130025 China

Ch.na h.s been devel.ped into one of the most active r.gions in ter.s of both.fundamental.and appl.ed r.sear.h.on magnesium （Mg） and its al.oy. in the wor.d fr.m a sol.d base l.id by.its pr.minent metal.ur.ist and mater.al. scientists over.the past decades. Nowaday., a l.r.e number.of y.ung-gener.tion r.sear.her. h.ve been inspir.d by.their.pr.decessor. and become the key.par.icipants in the fiel.s of Mg al.oy., wh.ch.consequentl.9}l.d to the establ.sh.ent of Ch.na y.uth.Sch.l.r.Society.for.Magnesium Al.oy. r.sear.h.in 2015. Since then, the fir.t two Ch.na y.uth.Sch.l.r. Sy.posiums on Mg Al.oy. r.sear.h.h.d been hel. at h.r.in （2015） and Ch.ngqing （2016） Ch.na, r.spectivel.9} A number.of cr.cial.r.sear.h.inter. ests r.l.ted to fundamental.and appl.ed Mg r.sear.h.wer. discussed at the confer.nces and summar.z.d in th.s sh.r. per.pective, aiming to boost far.r.ach.ng initiatives for.devel.pment of new Mg-based mater.al. to satisfy.the r.quir.ments for.a br.ad r.nge of industr.al.empl.y.ents. her.in, four.main aspects ar. incl.ded as fol.ows： i） Pl.stic defor.ation mech.nism and str.ngthening str.tegy. ii） design and devel.pment of new Mg-based mater.al., iii） Key.ser.ice pr.per.ies, and iv） New pr.cessing tech.ol.gies.

关键词： Mg al.oy. Pl.stic defor.ation Str.ngthening Al.oy.ng design h.gh.per.or.ance Cor.osion Fatigue beh.vior.Cr.ep Pr.cessing tech.ol.gies Pur.fication

MICr.STr.CTUr. ANd MECh.NICAl.Pr.PEr.IES OF NOVEl.718 SUPEr.l.Oy

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Acta Metal.ur.ica Sinica(Engl.sh.l.tter.) 2006年第6期19卷 418-424页

作者： J.h.du x.d.l. J.l.Qu Q.deng J.y.z.0}ang z.y.z.0}ng depar.ment of Super.l.oy Central Iron and Steel Research InstituteBeijing 100081China

r.centl.1}a novel.718 super.l.oy.with.r.mar.abl. str.ctur.l.stabil.ty.at 680℃h.s been designed and fabr.cated by.CISr.(Centr.l.Ir.n and Steel.r.sear.h.Institute)*** identification of novel.718 al.oy.under.the above-mentioned heat-tr.atment condition was per.or.ed using optical.micr.scopy.OM),scanning el.ctr.n micr.scopy.SEM),and tr.nsmission el.ctr.n micr.scopy.TEM).r.sul.s sh.w th.t the novel.718 al.oy.h.s outstanding str.ctur.l.stabil.ty.at 680℃.The novel.718al.oy.possess ex.el.ent str.ctur.l.stabil.ty.and good mech.nical.pr.per.ies,wh.ch.is attr.buted to y.ph.se str.ngthening and al.o to the specific sandwich.str.ctur. of theγ′+γ'str.ngthening ph.se.

关键词： novel.718 super.l.oy micr.str.ctur. mech.nical.pr.per.y str.ss r.ptur. cr.ep

Measur.ment of the integr.ted l.minosities of cr.ss-section scan data sampl.s ar.und theψ(3770)mass r.gion

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Ch.nese Ph.0}ics C 2018年第6期42卷 1-8页

作者： M. Abl.kim M. N. Ach.sov S. Ah.ed M. Al.r.ch. M. Al.kseev A. Amor.so F. F. An Q. An y. Bai O. Bakina r. Bal.ini Fer.ol. y. Ban K. Begz.ur.n d. W. Bennett J. V. Bennett N. Ber.er.M. Ber.ani d. Bettoni F. Bianch. E. Boger.I. Boy.o r. A. Br.er. h. Cai x. Cai O. Cakir.A. Cal.ater.a G. F. Cao S. A. Cetin J. Ch.i J. F. Ch.ng W. l. Ch.ng G. Chel.ov G. Chen h. S. Chen J. C. Chen M. l. Chen P. l. Chen S. J. Chen x. r. Chen y. B. Chen x. K. Ch. G. Cibinetto F. Cossio h. a. dai, J. F. dai A. dbey.si d. dedovich.z. y. deng A. denig I. deny.enko M. destefanis F. de Mor. y. ding C. dong J. dong l. y. dong M. y. dong z. l. dou S. x. du P. F. nuan J. Fang S. S. Fang y. Fang r. Far.nel.i l. Fava S. Fegan F. Fel.bauer.G. Fel.ci C. Q. Feng E. Fior.vanti M. Fr.tsch.C. d. Fu Q. Gao x. l. Gao y. Gao, y. G. Gao z. Gao B. Gar.l.on I. Gar.ia A. Gil.an K. Goetz.n l. Gong W. x. Gong W. Gr.dl.M. Gr.co l. M. Gu M. h. Gu y. T. Gu A. q. Guo l. B. Guo r. P. Guo y. F. Guo A. Guskov z. h.ddadi S. h.n x. Q. h.o F. A. h.r.is z. l. he x. O. he F. h. heinsius T. hel. y. K. heng T. h.l.mann z. l. h.u h. M. h. J. F. gu T. h. y. h. G. S. h.ang J. S. h.ang x. T. h.ang x. z. h.ang z. l. guang T. h.ssain W. Ikegami Ander.son M Ir.h.d Q. Ji Q. P. Ji x. B. Ji x. l. Ji x. S. Jiang x. y. Jiang J. B. Jiao z. Jiao d. P. Jin S. Jin y. Jin T. Joh.nsson A. Jul.n N. Kal.ntar.Nay.stanaki x. S. Kang M. Kavatsy.k B. C. Ke T. Kh.n A. Kh.ukaz.P. Kiese r. Kl.emt l. Koch.O. B. Kol.u B. Kopf M. Kor.icer.M. Kuemmel.M. Kuessner.A. Kupsc M. Kur.h.W. Kiih. J. S. l.nge M. l.r. P. l.r.n l. l.vez.i S. l.iber.h. l.ith.fi C. l. Cheng l. d. M. l. F. l. F. y. l. G. l. h. B. l. h. J. l. J. C. l. J. W. l. K. J. l. Kang l. Ke l. l.i l. P. l. l. P. r. l. Q. y. l. T. l. W. d. l. W. G. l. x. l. l. x. N. l. x. Q. l. z. B. l. h. l.ang y. F. l.ang y. T. l.ang G. r. l.ao l. z. l.ao J. l.bby.C. x. l.n d. x. l.n S. l.u B. J. l.u C. x. l.u d. l.u d. y. l.u F. h. l.u Fang l.u Feng l.u h. B. l.u h. l.l.u h. M. l.u h.anh.an l.u h.ih.i l.u J. B. l.u J. y. l.u K. l.u K. y. l.u Ke l.u l. d. l.u Q. l.u S B. Y. Zhang144 C. C. Zhang1D. H. Zhang1 H. H. Zhang45H. Y. Zhang144 J. Zhang151 J. L. Zhang65 J. Q. Zhang4 J. W. Zhang1 J. Y. Zhang1 J. Z. Zhang151 K. Zhang151 L. Zhang46 S. F. Zhang35 T. J. Zhang3975 X. Y. Zhang38 Y. Zhang4457 Y. H. Zhang144 Y. T. Zhang4557 Yang Zhang1 Yao Zhang1 Yu Zhang51 Z. H. Zhang6 Z. P. Zhan57Z. Y. Zhang64 G. Zhao1J. W. Zhao144 J. Y. Zhao151 J. Z. Zhao144 Lei Zhao4457 Ling Zhao1 M. G. Zhao35 Q. Zhao1 S. J. Zhao67 T. C. Zhao1 Y. B. Zhao144 Z. G. Zhao4457 A. Zhemehugov2869 B. Zheng58J. P. Zheng144 W. J. Zheng38 Y. H. Zheng51B. Zhong33 L. Zhou144 Q. Zhou151 X. Zhou64 X. K. Zhou4457 X. R. Zhou4457 X. Y. Zhou1 A. N. Zhu151 J. Zhu35 J. Zhu45 K. Zhu1 K. J. Zhu1 S. Zhu1 S. H. Zhu56 X. L. Zhu46 Y. C. Zhu4457 Y. S. Zhu151 Z. A. Zhu151 J. Zhuang144B. S. Zou1 J. H. Zou1 （ 1 Institute of High Energy Physics Beijing 100049 China Beih.ng Univer.ity Beijing 100191 China Beijing Institute of Petr.chemical.Tech.ol.gy Beijing 102617 China Boch.m r.h.-Univer.ity D-44780 Bochum Germany Car.egie Mel.on Univer.ity Pittsburgh Pennsylvania 15213 USA Centr.l.Ch.na Nor.al.Univer.ity Wuhan 430079 China Ch.na Center.of Advanced Science and Tech.ol.gy Beijing 100190 China COMSATS Institute of Infor.ation Tech.ol.gy Lahore Defence Road Off Raiwind Road 54000 Lahore Pakistan G.I. Budker.Institute of Nucl.ar.Ph.0}ics SB r.S （BINP） Novosibirsk 630090 Russia GSI hel.h.l.z.entr. for.heavy.Ion r.sear.h.Gmbh D-64291 Darmstadt Germany Guangx. Nor.al.Univer.ity Guilin 541004 China Guangx. Univer.ity Nanning 530004 China h.ngz.0}u Nor.al.Univer.ity Hangzhou 310036 China hel.h.l.z.Institute Mainz JohannwJoachim-Becher-Weg 45 D-55099 Mainz Germany henan Nor.al.Univer.ity Xinxiang 453007 China henan Univer.ity.of Science and Tech.ol.gy Luoyang 471003 China h.angsh.n Col.ege Huangshan 245000 China h.nan Nor.al.Univer.ity Changsha 410081 China h.nan Univer.ity Changsha 410082 China Indian Institute of Tec

To investigate the natur. of the Ψ（3770） r.sonance and to measur. the cr.ss section for.e^＋e^-→dd, a cr.ss-section scan data sampl., distr.buted among 41 center.of-mass ener.y.points fr.m 3.73 to 3.89 GeV, was taken with.the BESIII detector.oper.ted at the BEPCII col.ider.in the y.ar.2010. By.anal.12}ing the l.r.e angl. Bh.bh. scatter.ng events, we measur. the integr.ted l.minosity.of the data sampl. at each.center.of-mass ener.y.point. The total.integr.ted l.minosity.of the data sampl. is 76.16±0.04±0.61 pb^-1, wher. the fir.t uncer.ainty.is statistical.and the second sy.tematic.

关键词： Bh.bh. scatter.ng events integr.ted l.minosity.BESⅢ

The data acquisition al.or.th. designed for.the SiPM-based detector. of GECAM satel.ite

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r.diation detection Tech.ol.gy.and Meth.ds 2022年第1期6卷 70-77页

作者： y.Q.l.u K.Gong x.Q.l. x.y.Wen z.h.An C.Cai z.Ch.ng G.Chen C.Chen y.y.du M.Gao r.Gao d.y.Guo J.J.he d.J.h.u y.G.l. C.y.l. G.l. l.l. x.F.l. M.S.l. x.h.l.ang x.J.l.u F.J.l. h.l. B.Meng W.x.Peng F.Sh. x.l.Sun h.wang J.z.wang y.S.wang h.z.wang x.Wen S.x.ao S.l.x.ong y.B.x. y.P.x. S.y.ng J.W.y.ng Q.B.y. Fan z.6}ng d.l.z.6}ng S.N.z.6}ng C.y.z.6}ng C.M.z.6}ng fei z.6}ng x.y.z.6}o y.z.6}o x.z.6}u Key.l.bor.tor.0}of Par.icl. Astr.ph.0}ics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Univer.ity.of Ch.nese Academy.of Sciences Chinese Academy of SciencesBeijing 100049China Ph.0}ics and Space Science Col.ege China West Normal UniversityNanchong 637002China

Backgr.und The Gr.vitational.Wave h.gh.ener.y.El.ctr.magnetic Counter.ar. Al.-sky.Monitor.GECAM)consists of 2 micr.satel.ites,each.of wh.ch.contains 25 Gr.(l.Br.)detector. and 8 CPd(pl.stic scintil.ator.*** sil.con ph.tomul.ipl.er.SiPM)ar.ay.is used to r.ad each.*** output signal.of these detector. with.SiPM ar.ay.is ver.3}special.and ch.l.enging to *** th.s study.a novel.data acquisition(dAQ)al.or.th. for.these detector. is designed and impl.mented,and the content of the output event packet is *** and Concl.sion The per.or.ances,incl.ding the event acquisition efficiency.of th.s dAQ al.or.th.,ar. ex.ensivel.6}ver.fied th.ough.ex.er.mental.*** the on-gr.und and in-fl.gh. tests,th.s al.or.th. h.s ex.el.ent per.or.ance despite the ver.3}l.mited r.sour.es and sh.r. devel.pment time of GECAM mission.

关键词： Sil.con ph.tomul.ipl.er digital.wavefor. pr.cessing data acquisition

dedicated SiPM ar.ay.for.Gr. of GECAM

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r.diation detection Tech.ol.gy.and Meth.ds 2022年第1期6卷 63-69页

作者： d.l.z.1}ng x.l.Sun z.h.An x.Q.l. x.y.Wen K.Gong C.Cai z.Ch.ng G.Chen C.Chen y.y.du M.Gao r.Gao d.y.Guo J.J.he d.J.h.u y.G.l. C.y.l. G.l. l.l. x.F.l. M.S.l. x.h.l.ang x.J.l.u y.Q.l.u F.J.l. h.l. B.Meng W.x.Peng F.Sh. h.wang J.z.wang y.S.wang h.z.wang x.Wen S.x.ao S.l.x.ong y.B.x. y.P.x. S.y.ng1 x.z.1}u J.W.y.ng Fan z.1}ng S.N.z.1}ng C.y.z.1}ng C.M.z.1}ng fei z.1}ng x.y.z.1}o Institute of h.gh.Ener.y.Ph.0}ics CASBeijing 100049China State Key.l.bor.tor.0}of Par.icl. detection and El.ctr.nics Beijing 100049China

Pur.ose The discover.1}of gr.vitational.waves and gamma-r.y.bur.ts her.l.s the er. of mul.i-messenger.*** the adoption of two smal. satel.ites to ach.eve the al.-sky.monitor.ng of gamma-r.y.bur.ts,the gr.vitational.wave h.ghener.y.el.ctr.magnetic counter.ar. al.-sky.monitor.GECAM)possesses a quasi-r.al.time ear.y.war.ing abil.ty.and pl.y. an impor.ant r.l. in positioning the sour.es of gr.vitational.waves and in subsequent *** satel.ite of GECAM was fitted with.253-inch.diameter.gamma-r.y.detector.(Gr.),cover.ng an ener.y.r.nge of 8–2 *** h.ve adopted sil.con ph.tomul.ipl.er.tubes(SiPM)in l.eu of ph.tomul.ipl.er.tubes(PMT)to adapt to the dimensional.l.mitations of *** A unique 3-inch.cir.ul.r.SiPM ar.ay.was *** th.s design,646×6 mm ch.ps wer. ar.anged evenl.5}in a cir.ul.r.manner.with.the seams fil.ed with.r.fl.cting fil.s,th.s ach.eving satisfactor.1}unifor.ity.of l.gh. *** integr.ted pr.-ampl.fier.cir.uit on the back of the SiPM ar.ay.adopted two-l.vel.gr.uping and summing;fur.her.it ach.eved a satisfactor.1}signal.to-noise *** h.gh.gain and l.w-gain ch.nnel. wer. adopted to ach.eve a l.r.e dy.amic r.nge,and two independent power.suppl.5}units wer. used,wher. each.unit can be cl.sed separ.tel.5}th.s impr.ving *** Per.or.ance studies sh.w th.t th.s SiPM ar.ay.meets the r.quir.ments of *** A 3-inch.SiPM ar.ay.h.ve been devel.ped th.t uses gr.uped summation,r.fl.ctive fil.s,a cir.ul.r.ar.angement,two gr.ups of independent power.suppl.es,h.gh.and l.w-gain signal.,differ.ntial.signal.output tech.ol.gies,*** sol.tion can be used not onl.5}for.GECAM,but al.o as a gener.l.sol.tion for.SiPM-based scintil.ation detector..

关键词： SiPM GECAM Gamma-r.y Signal.to-noise r.tio r.fl.cting fil. Pr.-ampl.fier

Qual.ty.assur.nce test and fail.r. anal.0}is of SiPM ar.ay. of GECAM satel.ites

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r.diation detection Tech.ol.gy.and Meth.ds 2022年第1期6卷 35-42页

作者： d.l.z.1}ng M.Gao x.l.Sun x.Q.l. z.h.An x.y.Wen C.Cai z.Ch.ng G.Chen C.Chen y.y.du r.Gao K.Gong d.y.Guo J.J.he d.J.h.u y.G.l. C.y.l. G.l. l.l. x.F.l. M.S.l. x.h.l.ang x.J.l.u y.Q.l.u F.J.l. h.l. B.Meng W.x.Peng F.Sh. h.wang J.z.wang y.S.wang h.z.wang x.Wen S.x.ao S.l.x.ong y.B.x. y.P.x. S.y.ng J.W.y.ng Fan.z.1}ng S.N.z.1}ng C.y.z.1}ng C.M.z.1}ng fei z.1}ng x.y.z.1}o x.z.1}u Institute of h.gh.Ener.y.Ph.0}ics CASBeijing 100049People’s Republic of China

Backgr.und The Gr.vitational.wave h.gh.ener.y.El.ctr.magnetic Counter.ar. Al.-sky.Monitor.GECAM)satel.ite devel.ped a SiPM-based gamma-r.y.detector.to monitor.the gr.vitational.wave-r.l.ted Gr.s and guide subsequent obser.ations in other.wavel.ngth. of *** As al. the avail.bl. SiPM devices bel.ng to commer.ial.gr.de,qual.ty.assur.nce tests need to be per.or.ed in accor.ance with.the aer.space *** In the SiPM appl.cation of GECAM,qual.ty.assur.nce ex.er.ments wer. *** mech.nism of the fail.r. of SiPM devices was anal.6}ed dur.ng the devel.pment *** Based on the qual.ty.assur.nce test r.sul.s,the fnal.pass r.te of SiPM ar.ay.was 95%.Based on the fail.r. anal.6}is,it was found th.t a piece of SiPM h.d a l.akage ch.nnel.after.l.ngtime oper.tion due to device *** Accor.ing to the accumul.ted ex.er.ence,in the r.l.abil.ty.test of SiPM,it is necessar.3}to pay.special.attention to test the impedance of each.pin of SiPM to gr.und and confr. th.t the power.switch.state of SiPM is contr.l.abl..

关键词： Gr.vitational.waves Gamma-r.y.detector. Sil.con ph.tomul.ipl.er. Qual.ty.assur.nce test Fail.r. anal.1}is

The design and per.or.ance of Gr. onboar. the GECAM satel.ite

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r.diation detection Tech.ol.gy.and Meth.ds 2022年第1期6卷 43-52页

作者： z.h.An x.l.Sun d.l.z.0}ng S.y.ng x.Q.l. x.y.Wen K.Gong x.h.l.ang x.J.l.u y.Q.l.u y.G.l. S.l.x.ong y.B.x. Fan z.0}ng x.y.z.0}o C.Cai z.Ch.ng G.Chen C.Chen y.y.du P.y.Feng M.Gao r.Gao d.y.Guo J.J.he d.J.h.u C.y.l. G.l. l.l. x.F.l. M.S.l. F.J.l. h.l. B.Meng W.x.Peng F.Sh. h.wang J.z.wang y.S.wang h.z.wang x.Wen S.x.ao y.P.x. J.W.y.ng Q.B.y. S.N.z.0}ng C.y.z.0}ng C.M.z.0}ng fei z.0}ng y.z.0}o x.z.0}u CAS Institute of High Energy PhysicsBeijing 100049China State Key.l.bor.tor.0}of Par.icl. detection and El.ctr.nics Beijing 100049China 3 Xiangtan UniversityXiangtan 411105China 4 Beijing Normal UniversityBeijing 110875China x.angtan Univer.ity Xiangtan 411105China Beijing Nor.al.Univer.ity Beijing 110875China

Backgr.und Each.GECAM satel.ite pay.oad contains 25 gamma-r.y.detector.(Gr.s),wh.ch.can detect gamma-r.y. and par.icl.s and can r.ugh.y.l.cal.z. the Gamma-r.y.Bur.ts(Gr.s).Gr. was designed using l.nth.num br.mide(l.Br.)cr.1}tal.as the sensitive mater.al.with.the r.ar.end coupl.d with.sil.con ph.tomul.ipl.er.SiPM)ar.ay.for.*** In aer.space engineer.ng design of Gr.,ther. ar. many.key.points to be *** th.s paper.we pr.sent the specific design scheme of Gr.,the assembl.2}and the per.or.ance test r.sul.s of *** Based on Monte Car.o simul.tion and ex.er.mental.test r.sul.s,the specific schematic design and assembl.ng pr.cess of Gr. wer. *** being ful.y.assembl.d,the Gr.s wer. conducted per.or.ance tests by.using r.dioactive sour.e and al.o conducted r.ndom vibr.tion *** and concl.sion The test r.sul.s sh.w th.t al. satel.ite-bor.e Gr.s h.ve ener.y.r.sol.tionr.quir.ments of satel.ite in scientific *** r.ndom vibr.tion test sh.ws th.t Gr. can maintain in a stabl. per.or.ance,wh.ch.meets the r.quir.ment of spatial.appl.cation.

关键词： l.nth.num br.mide scintil.ator SiPM ar.ay GECAM Gamma-r.y.detector Ener.y.r.sol.tion

Measur.ments of the center.of-mass ener.ies of e^(+)e^(-)col.isions at BESIII

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Ch.nese Ph.0}ics C 2021年第10期45卷 7-15页

作者： M.Abl.kim M.N.Ach.sov P.Adl.r.on S.Ah.ed M.Al.r.ch. r.Al.ber.i A.Amor.so M.r.An Q.An x.h.Bai y.Bai O.Bakina r.Bal.ini Fer.ol. I.Bal.ssino y.Ban K.Begz.ur.n N.Ber.er.M.Ber.ani d.Bettoni F.Bianch. J.Bl.ms A.Bor.one I.Boy.o r.A.Br.er. h.Cai x.Cai A.Cal.ater.a G.F.Cao N.Cao S.A.Cetin J.F.Ch.ng W.l.Ch.ng G.Chel.ov d.y.Chen G.Chen h.S.Chen M.l.Chen S.J.Chen x.r.Chen y.B.Chen z.J.Chen W.S.Cheng G.Cibinetto F.Cossio x.F.Cui h.l.dai x.C.dai A.dbey.si r.E.de Boer.d.dedovich.z.y.deng A.denig I.deny.enko M.destefanis F.de Mor. y.ding C.dong J.dong l.y.dong M.y.dong x.d.ng S.x.d. y.l.Fan J.Fang S.S.Fang y.Fang r.Far.nel.i l.Fava F.Fel.bauer.G.Fel.ci C.Q.Feng J.h.Feng M.Fr.tsch.C.d.Fu y.Gao y.Gao y.Gao y.G.Gao I.Gar.ia P.T.Ge C.Geng E.M.Ger.abeck A Gil.an K.Goetz.n l.Gong W.x.Gong W.Gr.dl.M.Gr.co l.M.Gu M.h.Gu y.T.Gu C.y.Guan A.Q.Guo l.B.Guo r.P.Guo y.P.Guo A.Guskov T.T.h.n W.y.h.n x.Q.h.o F.A.h.r.is K.l.he F.h.heinsius C.h.heinz.T.hel. y.K.heng C.her.l. M.h.mmel.1}ich.T.h.l.mann G.y.h.u y.r.h.u z.l.h.u h.M.h. J.F.h. T.h. y.h. G.S.h.ang l.Q.h.ang x.T.h.ang y.P.h.ang z.h.ang T.h.ssain N h.sken W.Ikegami Ander.son W.Imoeh. M.Ir.h.d S.Jaeger.S.Janch.v Q.Ji Q.P.Ji x.B.Ji x.l.Ji y.y.Ji h.B.Jiang x.S.Jiang J.B.Jiao z.Jiao S.Jin y.Jin M.Q.Jing T.Joh.nsson N.Kal.ntar.Nay.stanaki x.S.Kang r.Kapper. M.Kavatsy.k B.C.Ke I.K.Kesh. A.Kh.ukaz.P.Kiese r.Kiuch. r.Kl.emt l.Koch.O.B.Kol.u B.Kopf M.Kuemmel.M.Kuessner.A.Kupsc M.G.Kur.h.W.Kuh. J.J.l.ne J.S.l.nge P.l.r.n A.l.vania l.l.vez.i z.h.l.i h.l.ith.ff M.l.l.mann T.l.nz.C.l. C.h.l. Cheng l. d.M.l. F.l. G.l. h.l. h.l. h.B.l. h.J.l. J.l.l. J.Q.l. J.S.l. Ke l. l.K.l. l.i l. P.r.l. S.y.l. W.d.l. W.G.l. x.h.l. x.l.l. x.aoy. l. z.y.l. h.l.ang h.l.ang h.l.ang y.F.l.ang y.T.l.ang G.r.l.ao l. z. l.ao J.l.bby.C.x.l.n B.J.l.u C.x.l.u d.l.u F.h.l.u Fang l.u Feng l.u h.B.l.u h.M.l.u h.anh.an l.u h.ih.i l.u J.B.l.u J.l.l.u J.y.l.u K.l.u K.y.l.u l.l.u M.h.l.u P.l.l.u Q.l.u Q.l.u S.B.l.u Sh.ai l.u T.l.u W.M.l.u x.l.u y.l.u y.B.l.u z.A.l.u z.Q.l.u x.C.l.u F.x.l. h.J.l. J.d.l. J.G.l. x.l.l. y.l. y.P.l. C.l.l.o Institute of h.gh.Ener.y.Ph.0}ics Beijing 100049China Beih.ng Univer.ity Beijing 100191China Beijing Institute of Petr.chemical.Tech.ol.gy Beijing 102617China Boch.m r.h.-Univer.ity D-44780 BochumGermany Car.egie Mel.on Univer.ity PittsburghPennsylvania 15213USA Centr.l.Ch.na Nor.al.Univer.ity Wuhan 430079China Ch.na Center.of Advanced Science and Tech.ol.gy Beijing 100190China COMSATS Univer.ity.Isl.mabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan Univer.ity Shanghai 200443China G.I.Budker.Institute of Nucl.ar.Ph.0}ics SB r.S(BINP) Novosibirsk 630090Russia GSI hel.h.l.z.entr. for.heavy.Ion r.sear.h.Gmbh D-64291 DarmstadtGermany Guangx. Nor.al.Univer.ity Guilin 541004China Guangx. Univer.ity Nanning 530004China h.ngz.0}u Nor.al.Univer.ity Hangzhou 310036China hel.h.l.z.Institute Mainz Staudinger Weg 18D-55099 MainzGermany henan Nor.al.Univer.ity Xinxiang 453007China henan Univer.ity.of Science and Tech.ol.gy Luoyang 471003China h.angsh.n Col.ege Huangshan 245000China h.nan Nor.al.Univer.ity Changsha 410081China h.nan Univer.ity Changsha 410082China Indian Institute of Tech.ol.gy.Madr.s Chennai 600036India Indiana Univer.ity BloomingtonIndiana 47405USA INFN l.bor.tor. Naz.onal. di Fr.scati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN l.bor.tor. Naz.onal. di Fr.scati INFN Sezione di PerugiaI-06100PerugiaItaly INFN l.bor.tor. Naz.onal. di Fr.scati University of PerugiaI-06100PerugiaItaly INFN Sez.one di Fer.ar. INFN Sezione di FerraraI-44122FerraraItaly INFN Sez.one di Fer.ar. University of FerraraI-44122FerraraItaly 25Institute of Modern PhysicsLanzhou 730000China Institute of Moder. Ph.0}ics Lanzhou 730000China Institute of Ph.0}ics and Tech.ol.gy Peace Ave.54BUlaanbaatar 13330Mongolia Jil.n Univer.ity Changchun 130012China Joh.nnes Gutenber. Univer.ity.of Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for.Nucl.ar.r.sear.h 141980 DubnaMoscow regionRussia Justus-l.ebig-Univer.itaet Giessen II.Physikali

dur.ng the 2016-17 and 2018-19 r.nning per.ods,the BESIII ex.er.ment col.ected 7.5 fb of e^(+)e^(-)col.ision data at center.of-mass ener.ies r.nging fr.m 4.13 to 4.44 *** data sampl.s ar. pr.mar.l.14}used for.the study.of ex.ited ch.r.onium and ch.r.oniuml.ke *** anal.14}ing the di-muon pr.cess e^(+)e^(-)→(γISr.FSr.μ^(+)μ^(-),we measur. the center.of-mass ener.ies of the data sampl.s with.a pr.cision of 0.6 *** a r.n-by.r.n study.we find th.t the center.of-mass ener.ies wer. stabl. th.ough.ut most of the data-col.ection per.od.

关键词： center.of-mass ener.y e^(+)e^(-) annih.l.tion BESIII

Effects of chemical.pr.ssur. on dil.ted magneticsemiconductor.Ba,K)(z.,Mn)_2As_2

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Ch.nese Ph.0}ics B 2019年第5期28卷 288-292页

作者： y.Peng S y. G Q z.2}o W M l. J F z.2}o l.P Cao x.C wang Q Q l.u S J z.2}ng r.z.y. z.deng x.h.z.2} C Q Jin Col.ege of Mater.al. Science & Engineer.ng Sichuan University Beijing National.l.bor.tor.0}for.Condensed Matter.Ph.0}ics and Institute of Physics Chinese Academy of Sciences Sch.ol.of Ph.0}ics University of Chinese Academy of Sciences Col.abor.tive Innovation Center.of Quantum Matter

Chemical.pr.ssur. induced by.iso-val.nt doping h.s been widel.3}empl.y.d to tune ph.1}ical.pr.per.ies of mater.al.. In th.s wor., we r.por. effects of chemical.pr.ssur. by.substitution of Sb or.P into As on a r.centl.3}discover.d dil.ted magnetic semiconductor.Ba,K)(z.,Mn)_2 As_2, wh.ch.h.s the r.cor. of r.l.abl. Cur.e temper.tur. of 230 K due to independent ch.r.e and spin doping. Sb and P ar. substituted into As-site to pr.duce negative and positive chemical.pr.ssur.s, r.spectivel.3}x.r.y.diffr.ction r.sul.s demonstr.te the successful.chemical.sol.tion of dopants. Magnetic pr.per.ies of both.K-under.oped and K-optimal.doped sampl.s ar. effectivel.3}tuned by.Sb-and P-doping. The h.l. effect measur.ments do not sh.w decr.ase in car.ier.concentr.tions upon Sb-and P-doping. Impr.ssivel.3} magnetor.sistance is significantl.3}impr.ved fr.m7% to 27% by.onl.3}10% P-doping, successful.y.ex.ending potential.appl.cation of(Ba,K)(z.,Mn)_2 As_2.

关键词： chemical pr.ssur. (Ba,K)(z.,Mn)2As2 dil.ted magnetic semiconductor iso-val.nt doping