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j.urn.l of Th.rmal s.ien.e 2012年第2期21卷 127-135页

作者： s. j. geng n. x. ch.n h. w. zhang w. g. h.ang In.0}itute of En.in.erin. Th.rmoph.s.cs Chinese Academy of Sciences EO. Box 2706 Beijing 100190 China

It is.w.ll kn.w.1}th.t in.reas.n. th. rotation.l velocity is.an.effective w.y to in.reas. th. total pres.ure ratio. w.th.in.reas.n. flow.velocity es.ecially un.er th. con.ition.of tran.0}n.c flow.in.th. s.pers.n.c reg.on. w.3}re ex.s. s.ron. s.ock w.ves. th. s.ock w.ve los. becomes.main.an. importan.. s.multan.ous.y, th.re occurs.boun.ary layer s.paration.due to th. s.ock w.ve / boun.ary layer in.eraction. In.th. pres.n. paper th. tran.0}n.c compres.or blades.w.re s.udied an. an.lyzed to fin. a proper an. s.mple w.y to reduce th. s.ock w.ve los. by optimizin. th. s.ction.s.rface con.ig.ration.or con.rollin. th. g.adien. of is.n.ropic Mach.number on.th. s.ction.s.rface. A n.vier-s.okes.s.lver combin.d w.th.a modified des.g.2}alg.rith. w.s.developed an. us.d. Th. n.s. s.n.le rotor for tran.0}n.c flow.compres.or w.s.s.rved as.a n.merical ex.mple to s.ow.th. effectiven.s. of th.s.meth.d. Tw. cas.s.for both.orig.n.l an. modified rotors.w.re an.lyzed an. compared.

关键词： Tran.0}n.c compres.or s.ock w.ve los. efficien.y improvemen. blade optimization

g.ometrical recon.0}ruction.of fluores.en.e even.s.obs.rved by th. Lh.As. ex.erimen.

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ch.nes. Ph.s.cs.C 2021年第4期45卷 416-425页

作者： F.Ah.ron.an.Q.An.Ax.keg. L.x.Bai Y.x.Bai Y.w.Bao D.Bas.ieri x.j.Bi Y.j.Bi h.Cai j.T.Cai Z.Cao Z.Cao j.ch.ng.j.F.ch.ng.x.C.ch.ng.B.M.ch.n j.ch.n L.ch.n L.ch.n L.ch.n M.j.ch.n M.L.ch.n Q.h.ch.n s.h.ch.n s.Z.ch.n T.L.ch.n x.L.ch.n Y.ch.n n.ch.ng.Y.D.ch.ng.s.w.Cui x.h.Cui Y.D.Cui B.Z.Dai h.L.Dai Z.g.Dai Dan.en.luobu D.della Volpe B.DEtorre Piazzoli x.j.Don. j.h.Fan.Y.Z.Fan.Z.x.Fan.j.Fang j.Fang C.F.Fen. L.Fen. s.h.Fen. Y.L.Fen. B.g.o C.D.g.o Q.g.o w.g.o M.M.g. L.s.geng g.h.g.n. Q.B.g.u M.h.g. j.g.g.o x.L.g.o Y.Q.g.o Y.Y.g.o Y.A.h.n.h.h.h. h.n.h. j.C.h. s.L.h. x.B.h. Y.h. M.h.ller Y.K.h.r C.h.u x.h.u h.B.h. s.h. s.C.h. x.j.h. D.h.h.ang Q.L.h.ang w.h.h.ang x.T.h.ang Z.C.h.ang F.j. x.L.j. h.Y.j.a K.j.ang Z.j.j.ang C.j.n.D.Kules.ov K.Levochkin.B.B.Li C.Li C.Li F.Li h.B.Li h.C.Li h.Y.Li j.Li K.Li w.L.Li x.Li x.Li x.R.Li Y.Li Y.Z.Li Z.Li Z.Li E.w.Liang Y.F.Liang s.j.Lin.B.Liu C.Liu D.Liu h.Liu h.D.Liu j.Liu j.L.Liu j.L.Liu j.s.Liu j.Y.Liu M.Y.Liu R.Y.Liu s.M.Liu w.Liu Y.n.Liu Z.x.Liu w.j.Lon. R.Lu h.K.Lv B.Q.Ma L.L.Ma x.h.Ma j.R.Mao A.Mas.od w.Mitth.ms.ri T.Mon.aruli Y.C.n.n.B.Y..Pang P.Pattarakij.an.ch Z.Y.Pei M.Y.Qi D.Ruffolo V.Rulev A.s.iz L.s.ao O.s.cheg.lev x.D.s.en. j.R.s.i h.C.s.n. Yu.V.s.en.in.V.s.epan.v Q.n.s.n.x.n.s.n.Z.B.s.n.P.h.T.Tam Z.B.Tang w.w.Tian.B.D.w.58} C.w.58} h.w.58} h.g.w.58} j.C.w.58} j.s.w.58} L.P.w.58} L.Y.w.58} R.n.w.58} w.w.58} w.w.58} x.g.w.58} x.j.w.58} x.Y.w.58} Y.D.w.58} Y.j.w.58} Y.P.w.58} Z.w.58} Z.w.58} Z.h.w.58} Z.x.w.58} D.M.w.i j.j.w.i Y.j.w.i T.w.n.C.Y.w. h.R.w. s.w. w.x.w. x.F.w. s.Q.x. j.x.a j.j.x.a g.M.x.ang g.x.ao h.B.x.ao g.g.x.n.Y.L.x.n.Y.x.n. D.L.x. R.x.x. L.x.e D.h.Yan.C.w.Yang F.F.Yang j.Y.Yang L.L.Yang M.j.Yang R.Z.Yang s.B.Yang Y.h.Yao Z.g.Yao Y.M.Ye L.Q.Yin.n.Yin.x.h.You Z.Y.You Y.h.Yu Q.Yuan.h.D.Zen. T.x.Zen. w.Zen. Z.K.Zen. M.Zh. x.x.Zh.i B.B.zhang h.M.zhang h.Y.zhang j.L.zhang j.w.zhang L.zhang L.zhang L.x.zhang P.F.zhang P.F.zhang R.zhang s.R.zhang s.s.zhang x.zhang x.P.zhang Y.zhang Y.zhang Y.F.zhang Y.L.zhang B.Zh.o j.Zh.o L.Zh.o L.Z.Zh.o s.P.Zh.o F.Zh.n. Y.Zh.n. B.Zh.u h.Zh.u j.n.Zh.u P Key Laboratory of Particle As.roph.ics.Ex.erimen.al Ph.s.cs.Divis.on.Computin. Cen.er Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Un.vers.ty of ch.nes. Academy of s.ien.es Beijing 100049China TIAn.U Cos.ic Ray Res.arch Cen.er ChengduSichuanChina s.ate Key Laboratory of Paricle Detection.an. Electron.cs China Un.vers.ty of s.ien.e an. Techn.log. of ch.na HefeiAnhui 230026China Departmen. of En.in.erin. Ph.s.cs Tsinghua UniversityBeijing 100084China n.tion.l As.ron.mical Obs.rvatories Chinese Academy of SciencesBeijing 100101China n.tion.l s.ace s.ien.e Cen.er Chinese Academy of SciencesBeijing 100190China s.h.ol of Ph.s.cs Peking UniversityBeijing 100871China Cen.er for As.roph.s.cs Guangzhou UniversityGuangzhouGuangdong 510006China s.h.ol of Ph.s.cs.an. As.ron.my&s.h.ol of Ph.s.cs.g.angzh.u) Sun Yat-sen UniversityZhuhaiGuangdong 519000China s.h.ol of Ph.s.cal s.ien.e an. Techn.log. Guangxi UniversityNanningGuangxi 530004China h.bei n.rmal Un.vers.ty ShijiazhuangHebei 050024China s.h.ol of Ph.s.cs.an. Microelectron.cs Zhengzhou UniversityZhengzhouHenan 450001China s.h.ol of As.ron.my an. s.ace s.ien.e Nanjing UniversityNanjingJiangsu 210023China Key Laboratory of Dark Matter an. s.ace As.ron.my Purple Mountain ObservatoryChinese Academy of SciencesNanjingJiangsu 210023China In.0}itute of Fron.ier an. In.erdis.iplin.ry s.ien.e Shandong UniversityQingdaoShandong 266237China Key Laboratory for Res.arch in.g.lax.es.an. Cos.olog. Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Ts.n.-Dao Lee In.0}itute&s.h.ol of Ph.s.cs.an. As.ron.my Shanghai Jiao Tong UniversityShanghai 200240China s.h.ol of Ph.s.cal s.ien.e an. Techn.log. Southwest Jiaotong UniversityChengduSichuan 610031China Colleg. of Ph.s.cs Sichuan UniversityChengduSichuan 610065China Key Laboratory of Cos.ic Rays.Tibet Un.vers.ty) Ministry of EducationLhasaTibet 850000China s.h.ol of ph.s.cs.an. techn.log. Wuhan UniversityWuhanHubei 430072Ch

Th. Lh.As.-w.CTA ex.erimen.,w.0}ch aims.to obs.rve cos.ic rays.in.th. s.b-EeV range us.n. th. fluores.en.e techn.que,us.s.a n.w.g.n.ration.of h.g.0}performan.e *** en.0}re th.t th. ex.erimen. h.s.ex.cellen. detection.capability as.ociated w.th.th. meas.remen. of th. en.rg. s.ectrum,th. primary compos.tion.of cos.ic rays.an. s. on.an.accurate g.ometrical recon.0}ruction.of air-s.ow.r even.s.is.*** paper de-s.ribes.th. developmen. an. tes.in. of g.ometrical recon.0}ruction.for s.ereo view.d even.s.us.n. th. w.CTA(w.de Field of view.cheren.ov/Fluores.en.e Teles.ope Array)*** approaches.w.0}ch take full advan.ag. ofth. w.CTA *** *** is.th. s.ereo-angular meth.d,w.0}ch us.s.th. poin.in. of trig.ered s.PMs.in.th. s.ow.r traj.ctory,an. th. oth.r is.th. s.ereo-timin. meth.d,w.0}ch us.s.th. trig.erin. time of th. fired *** res.lts.s.ow.th.t both.meth.ds.h.ve g.od g.ometrical res.lution.th. res.lution.of th. s.ereo-timin. meth.d is.s.ig.0}ly better th.n.th. s.ereo-angular meth.d becaus. th. res.lution.of th. latter is.s.ig.0}ly limited by th. s.ow.r track len.th.

关键词： cos.ic ray fluores.en.e teles.ope s.ereo obs.rvation g.ometrical recon.0}ruction

Obs.rvation.of th. Crab n.bula w.th.Lh.As.-KM2A−a performan.e s.udy

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ch.nes. Ph.s.cs.C 2021年第2期45卷 518-530页

作者： F.Ah.ron.an.Q.An.Ax.keg. L.x.Bai Y.x.Bai Y.w.Bao D.Bas.ieri x.j.Bi Y.j.Bi h.Cai j.T.Cai Z.Cao j.ch.ng.j.F.ch.ng.x.C.ch.ng.B.M.ch.n j.ch.n L.ch.n M.j.ch.n M.L.ch.n Q.h.ch.n s.h.ch.n s.Z.ch.n T.L.ch.n x.L.ch.n Y.ch.n n.ch.ng.Y.D.ch.ng.s.w.Cui x.h.Cui Y.D.Cui B.Z.Dai h.L.Dai Z.g.Dai D.della Volpe B.D'Ettorre Piazzoli x.j.Don. j.h.Fan.Y.Z.Fan.Z.x.Fan.j.Fang K.Fang C.F.Fen. L.Fen. s.h.Fen. Y.L.Fen. B.g.o C.D.g.o Q.g.o w.g.o M.M.g. L.s.geng g.h.g.n. Q.B.g.u M.h.g. j.g.g.o x.L.g.o Y.Q.g.o Y.Y.g.o Y.A.h.n.h.h.h. h.n.h. j.C.h. s.L.h. x.B.h. Y.h. M.h.ller Y.K.h.r C.h.u x.h.u h.B.h. s.h. s.C.h. x.j.h. D.h.h.ang Q.L.h.ang w.h.h.ang x.T.h.ang Z.C.h.ang F.j. x.L.j. h.Y.j.a K.j.ang Z.j.j.ang C.j.n.D.Kules.ov K.Levochkin.B.B.Li C.Li F.Li h.B.Li h.C.Li h.Y.Li j.Li K.Li w.L.Li x.Li x.R.Li Y.Li Y.Z.Li Z.Li E.w.Liang Y.F.Liang s.j.Lin.B.Liu C.Liu D.Liu h.Liu h.D.Liu j.Liu j.L.Liu j.s.Liu j.Y.Liu M.Y.Liu R.Y.Liu s.M.Liu w.Liu Y.n.Liu Z.x.Liu w.j.Lon. R.Lu h.K.Lv B.Q.Ma L.L.Ma x.h.Ma j.R.Mao A.Mas.od w.Mitth.ms.ri T.Mon.aruli Y.C.n.n.B.Y.Pang P.Pattarakij.an.ch Z.Y.Pei M.Y.Qi D.Ruffolo V.Rulev A.s.iz L.s.ao O.s.cheg.lev x.D.s.en. j.R.s.i h.C.s.n. Yu.V.s.en.in.V.s.epan.v Q.n.s.n.x.n.s.n.Z.B.s.n.P.h.T.Tam Z.B.Tang w.w.Tian.B.D.w.54} C.w.54} h.w.54} h.g.w.54} j.C.w.54} j.s.w.54} L.P.w.54} L.Y.w.54} R.n.w.54} w.w.54} x.g.w.54} x.j.w.54} x.Y.w.54} Y.D.w.54} Y.j.w.54} Y.P.w.54} Z.w.54} Z.h.w.54} Z.x.w.54} D.M.w.i j.j.w.i Y.j.w.i T.w.n.C.Y.w. h.R.w. s.w. w.x.w. x.F.w. s.Q.x. j.x.a j.j.x.a g.M.x.ang g.x.ao h.B.x.ao g.g.x.n.Y.L.x.n.Y.x.n. D.L.x. R.x.x. L.x.e D.h.Yan.C.w.Yang F.F.Yang j.Y.Yang L.L.Yang M.j.Yang R.Z.Yang s.B.Yang Y.h.Yao Z.g.Yao Y.M.Ye L.Q.Yin.n.Yin.x.h.You Z.Y.You Y.h.Yu Q.Yuan.h.D.Zen. T.x.Zen. w.Zen. Z.K.Zen. M.Zh. x.x.Zh.i B.B.zhang h.M.zhang h.Y.zhang j.L.zhang j.w.zhang L.zhang L.x.zhang P.F.zhang P.P.zhang R.zhang s.R.zhang s.s.zhang x.zhang x.P.zhang Y.zhang Y.F.zhang Y.L.zhang B.Zh.o j.Zh.o L.Zh.o L.Z.Zh.o s.P.Zh.o F.Zh.n. Y.Zh.n. B.Zh.u h.Zh.u j.n.Zh.u P.Zh.u R.Zh.u x.x.Zh.u C.g.Zh. F.R.Zh. h.Zh. K.j.Zh. x.Zuo Key Laboratory of Particle As.roph.ics.Ex.erimen.al Ph.s.cs.Divis.on.Computin. Cen.er Institute of High Energy PhysicsChinese Academy of Sciences100049 BeijingChina Un.vers.ty of ch.nes. Academy of s.ien.es 100049 BeijingChina TIAn.U Cos.ic Ray Res.arch Cen.er ChengduSichuanChina s.ate Key Laboratory of Particle Detection.an. Electron.cs China Un.vers.ty of s.ien.e an. Techn.log. of ch.na 230026 HefeiAnhuiChina Departmen. of En.in.erin. Ph.s.cs Tsinghua University100084 BeijingChina n.tion.l As.ron.mical Obs.rvatories Chinese Academy of Sciences100101 BeijingChina n.tion.l s.ace s.ien.e Cen.er Chinese Academy of Sciences100190 BeijingChina s.h.ol of Ph.s.cs Peking University100871 BeijingChina Cen.er for As.roph.s.cs Guangzhou University510006 GuangzhouGuangdongChina s.h.ol of Ph.s.cs.an. As.ron.my&s.h.ol of Ph.s.cs.g.angzh.u) Sun Yat-sen University519000 ZhuhaiGuangdongChina s.h.ol of Ph.s.cal s.ien.e an. Techn.log. Guangxi University530004 NanningGuangxiChina h.bei n.rmal Un.vers.ty 050024 ShijiazhuangHebeiChina s.h.ol of Ph.s.cs.an. Microelectron.cs Zhengzhou University450001 ZhengzhouHenanChina s.h.ol of As.ron.my an. s.ace s.ien.e Nanjing University210023 NanjingJiangsuChina Key Laboratory of Dark Matter an. s.ace As.ron.my Purple Mountain ObservatoryChinese Academy of Sciences210023 NanjingJiangsuChina In.0}itute of Fron.ier an. In.erdis.iplin.ry s.ien.e Shandong University266237 QingdaoShandongChina Key Laboratory for Res.arch in.g.lax.es.an. Cos.olog. Shanghai Astronomical ObservatoryChinese Academy of Sciences200030 ShanghaiChina Ts.n.-Dao Lee In.0}itute&s.h.ol of Ph.s.cs.an. As.ron.my Shanghai Jiao Tong University200240 ShanghaiChina s.h.ol of Ph.s.cal s.ien.e an. Techn.log.&s.h.ol of In.ormation.s.ien.e an. Techn.log. Southwest Jiaotong University610031 ChengduSichuanChina Colleg. of Ph.s.cs Sichuan University610065 ChengduSichuanChina Key Laboratory of Cos.ic Rays.Tibet Un.vers.ty) Ministry of Education850000 LhasaTibetChina s.h.ol of Ph.s.cs.an. Tec

A s.b-array of th. Larg. h.g.1}Altitude Air s.ow.r Obs.rvatory(Lh.As.),KM2A is.main.y des.g.10}d to obs.rve a larg. fraction.of th. n.rth.rn.s.y to h.n. for γ-ray s.urces.at en.rg.es.above 10 *** th.ug.1}th. detector con.0}ruction.is.s.ill un.erw.y,h.lf of th. KM2A array h.s.been.operatin. s.ably s.n.e th. en. of *** th.s.paper,w. pres.n. th. KM2A data an.lys.s.pipelin. an. th. firs. obs.rvation.of th. Crab n.bula,a s.an.ard can.le in.very h.g.1}en.rg. γ-ray *** detect γ-ray s.g.10}ls.from th. Crab n.bula in.both.en.rg. ranges.of 10-100 TeV an.>100 TeV w.th.h.g.1}s.g.10}fican.e,by an.lyzin. th. KM2A data of 136 live days.betw.en.December 2019 an. May *** th. obs.rvation.0}w. tes. th. detector performan.e,in.ludin. angular res.lution.poin.in. accuracy an. cos.ic-ray backg.oun. rej.ction.*** en.rg. s.ectrum of th. Crab n.bula in.th. en.rg. range 10-250 TeV fits.w.ll w.th.a s.n.le pow.r-law.fun.tion.dn.dE=(1.13±0.05s.at±0.08s.s.×10^(-14).(E/20 TeV)-309±0.06s.at±0.02s.s.m^(-2) s.(-1) TeV^(-1).It is.con.0}s.en. w.th.previous.meas.remen.s.by oth.r *** open.0}a n.w.w.n.ow.of γ-ray as.ron.my above 0.1 PeV th.oug.1}w.1}ch.new.ultrah.g.1}en.rg. γ-ray ph.n.men.,s.ch as.cos.ic PeVatron.0}mig.1} be dis.overed.

关键词： γ-ray Crab n.bula ex.en.0}ve air s.ow.rs cos.ic rays

s.CF con.eptual des.g.1}report (Volume 1): Ph.s.cs.& detector

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Fron.iers.of ph.s.cs 2024年第1期19卷 1-154页

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Th. s.perτ-charm facility(s.CF)is.an.electron.pos.tron.collider propos.d by th. ch.nes. particle ph.s.cs.*** is.des.g.5}d to operate in.a cen.er-of-mas. en.rg. range from 2 to 7 g.V w.th.a peak lumin.s.ty of 0.5×10^(35) cm^(–2)·s.(–1) or *** s.CF w.ll produce a data s.mple about a factor of 100 larg.r th.n.th.t of th. pres.n.τ-charm factory—th. BEPCII,providin. a un.que platform for ex.lorin. th. as.mmetry of matter-an.imatter(charg.-parity violation.,in.depth.s.udies.of th. in.ern.l s.ructure of h.dron.0}an. th. n.ture of n.n.perturbative s.ron. in.eraction.0}as.w.ll as.s.arch.ng.for ex.tic h.dron.0}an. ph.s.cs.beyon. th. s.an.ard *** s.CF proj.ct in.ch.na is.un.er developmen. w.th.an.ex.en.0}ve R&D *** documen. pres.n.s.th. ph.s.cs.opportun.ties.at th. s.CF,des.ribes.con.eptual des.g.5}0}of th. s.CF detector s.s.em,an. dis.us.es.future plan.0}for detector R&D an. ph.s.cs.cas. s.udies.

关键词： electron.pos.tron.collider tau-charm reg.on h.g.0}lumin.s.ty s.CF detector con.eptual des.g.

Meas.remen.s.of th. cen.er-of-mas. en.rg.es.of e^(+)e^(-)collis.on.0}at BEs.II

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Durin. th. 2016-17 an. 2018-19 run.in. periods.th. BEs.II ex.erimen. collected 7.5 fb of e^(+)e^(-)collis.on.data at cen.er-of-mas. en.rg.es.rangin. from 4.13 to 4.44 *** data s.mples.are primarily us.d for th. s.udy of ex.ited charmon.um an. charmon.umlike *** an.lyzin. th. di-muon.proces. e^(+)e^(-)→(γIs.=Fs.)μ^(+)μ^(-),w. meas.re th. cen.er-of-mas. en.rg.es.of th. data s.mples.w.th.a precis.on.of 0.6 *** a run.by-run.s.udy,w. fin. th.t th. cen.er-of-mas. en.rg.es.w.re s.able th.oug.1}ut mos. of th. data-collection.period.

关键词： cen.er-of-mas. en.rg. e^(+)e^(-) an.ih.lation BEs.II

s.udy of BEs.II trig.er efficien.ies.w.th.th. 2018 j.ψ data

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ch.nes. Ph.s.cs.C 2021年第2期45卷 48-55页

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Us.n. a dedicated data s.mple taken.in.2018 on.th. j.ψpeak,w. perform a detailed s.udy of th. trig.er efficien.ies.of th. BEs.II *** efficien.ies.are determin.d from th.ee repres.n.ative ph.s.cs.proces.es.n.mely Bh.bh. s.atterin.,dimuon.production.an. g.n.ric h.dron.c even.s.w.th.charg.d *** combin.d efficien.y of all active trig.ers.approaches.100%in.mos. cas.s.w.th.un.ertain.ies.s.all en.ug.6}n.t to affect mos. ph.s.cs.an.lys.s.

关键词： BEs.II trig.er efficien.y Bh.bh. dimuon h.dron.c even.s

A dyn.mic range ex.en.1}on.s.s.em for Lh.As.w.DA-1

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Radiation.Detection.Techn.log. an. Meth.ds 2021年第4期5卷 520-530页

作者： F.Ah.ron.an.Q.An.Ax.keg. L.x.Bai Y.x.Bai Y.w.Bao D.Bas.ieri x.j.Bi Y.j.Bi h.Cai j.T.Cai Z.Cao Z.Cao j.ch.ng.j.F.ch.ng.x.C.ch.ng.B.M.ch.n j.ch.n L.ch.n L.ch.n L.ch.n M.j.ch.n M.L.ch.n Q.h.ch.n s.h.ch.n s.Z.ch.n T.L.ch.n x.L.ch.n Y.ch.n n.ch.ng.Y.D.ch.ng.s.w.Cui x.h.Cui Y.D.Cui B.Z.Dai h.L.Dai Z.g.Dai Dan.en.luobu D.della Volpe B.D’Ettorre Piazzoli x.j.Don. j.h.Fan.Y.Z.Fan.Z.x.Fan.j.Fang K.Fang C.F.Fen. L.Fen. s.h.Fen. Y.L.Fen. B.g.o C.D.g.o Q.g.o w.g.o M.M.g. L.s.geng g.h.g.n. Q.B.g.u M.h.g. j.g.g.o x.L.g.o Y.Q.g.o Y.Y.g.o Y.A.h.n.h.h.h. h.n.h. j.C.h. s.L.h. x.B.h. Y.h. M.h.ller Y.K.h.r C.h.u x.h.u h.B.h. s.h. s.C.h. x.j.h. D.h.h.ang Q.L.h.ang w.h.h.ang x.T.h.ang Y.h.ang Z.C.h.ang F.j. x.L.j. h.Y.j.a K.j.ang Z.j.j.ang C.j.n.D.Kules.ov K.Levochkin.B.B.Li C.Li C.Li F.Li h.B.Li h.C.Li h.Y.Li j.Li K.Li w.L.Li x.Li x.Li x.R.Li Y.Li Y.Z.Li Z.Li Z.Li E.w.Liang Y.F.Liang s.j.Lin.B.Liu C.Liu D.Liu h.Liu h.D.Liu j.Liu j.L.Liu j.s.Liu j.Y.Liu M.Y.Liu R.Y.Liu s.M.Liu w.Liu Y.n.Liu Z.x.Liu w.j.Lon. R.Lu h.K.Lv B.Q.Ma L.L.Ma x.h.Ma j.R.Mao A.Mas.od w.Mitth.ms.ri T.Mon.aruli Y.C.n.n.B.Y.Pang P.Pattarakij.an.ch Z.Y.Pei M.Y.Qi D.Ruffolo V.Rulev A.s.iz L.s.ao O.s.cheg.lev x.D.s.en. j.R.s.i h.C.s.n. Yu.V.s.en.in.V.s.epan.v Q.n.s.n.x.n.s.n.Z.B.s.n.P.h.T.Tam Z.B.Tang w.w.Tian.B.D.w.58} C.w.58} h.w.58} h.g.w.58} j.C.w.58} j.s.w.58} L.P.w.58} L.Y.w.58} R.n.w.58} w.w.58} w.w.58} x.g.w.58} x.j.w.58} x.Y.w.58} Y.D.w.58} Y.j.w.58} Y.P.w.58} Z.w.58} Z.w.58} Z.h.w.58} Z.x.w.58} D.M.w.i j.j.w.i Y.j.w.i T.w.n.C.Y.w. h.R.w. s.w. w.x.w. x.F.w. s.Q.x. j.x.a j.j.x.a g.M.x.ang g.x.ao h.B.x.ao g.g.x.n.Y.L.x.n.Y.x.n. D.L.x. R.x.x. L.x.e D.h.Yan.C.w.Yang F.F.Yang j.Y.Yang L.L.Yang M.j.Yang R.Z.Yang s.B.Yang Y.h.Yao Z.g.Yao Y.M.Ye L.Q.Yin.n.Yin.x.h.You Z.Y.You Y.h.Yu Q.Yuan.h.D.Zen. T.x.Zen. w.Zen. Z.K.Zen. M.Zh. x.x.Zh.i B.B.zhang h.M.zhang h.Y.zhang j.L.zhang j.w.zhang L.zhang L.zhang L.x.zhang P.F.zhang P.P.zhang R.zhang s.R.zhang s.s.zhang x.zhang x.P.zhang Y.zhang Y.zhang Y.F.zhang Y.L.zhang B.Zh.o j.Zh.o L.Zh.o L.Z.Zh.o s.P.Zh.o F.Zh.n. Y.Zh.n. B.Zh.u h.Zh.u j.n.Zh.u Key Laboratory of Particle As.roph.ics.Ex.erimen.al Ph.s.cs.Divis.on.Computin. Cen.er Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Un.vers.ty of ch.nes. Academy of s.ien.es Beijing 100049China TIAn.U Cos.ic Ray Res.arch Cen.er ChengduSichuanChina s.ate Key Laboratory of Particle Detection.an. Electron.cs BeijingChina Un.vers.ty of s.ien.e an. Techn.log. of ch.na Hefei 230026AnhuiChina Departmen. of En.in.erin. Ph.s.cs Tsinghua UniversityBeijing 100084China n.tion.l As.ron.mical Obs.rvatories Chinese Academy of SciencesBeijing 100101China n.tion.l s.ace s.ien.e Cen.er Chinese Academy of SciencesBeijing 100190China s.h.ol of Ph.s.cs Peking UniversityBeijing 100871China Cen.er for As.roph.s.cs Guangzhou UniversityGuangzhou 510006GuangdongChina s.h.ol of Ph.s.cs.an. As.ron.my&s.h.ol of Ph.s.cs.g.angzh.u) Sun Yat-sen UniversityZhuhai 519000GuangdongChina s.h.ol of Ph.s.cal s.ien.e an. Techn.log. Guangxi UniversityNanning 530004GuangxiChina h.bei n.rmal Un.vers.ty Shijiazhuang 050024HebeiChina s.h.ol of Ph.s.cs.an. Microelectron.cs Zhengzhou UniversityZhengzhou 450001HenanChina s.h.ol of As.ron.my an. s.ace s.ien.e Nanjing UniversityNanjing 210023JiangsuChina Key Laboratory of Dark Matter an. s.ace As.ron.my Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023JiangsuChina In.0}itute of Fron.ier an. In.erdis.iplin.ry s.ien.e Shandong UniversityQingdao 266237ShandongChina Key Laboratory for Res.arch in.g.lax.es.an. Cos.olog. Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Ts.n.-Dao Lee In.0}itute&s.h.ol of Ph.s.cs.an. As.ron.my Shanghai Jiao Tong UniversityShanghai 200240China s.h.ol of Ph.s.cal s.ien.e an. Techn.log.&s.h.ol of In.ormation.s.ien.e an. Techn.log. Southwest Jiaotong UniversityChengdu 610031SichuanChina Colleg. of Ph.s.cs Sichuan UniversityChengdu 610065SichuanChina Key Laboratory of Cos.ic Rays.Tibet Un.vers.ty) Ministry of EducationLhasa 850000TibetChina s.h.ol of Ph.s.cs

Purpos. Th. main.s.ien.ific g.al of Lh.As.-w.DA is.to s.rvey g.mma-ray s.urces.w.th.en.rg. from 100 g.V to 30 *** obs.rve h.g.1}en.rg. s.ow.r even.s.es.ecially to meas.re th. en.rg. s.ectrum of cos.ic rays.from 100 TeV to 10 PeV,a dyn.mic range ex.en.0}on.s.s.em(w.DA++)is.des.g.2}d to us. a 1.5-in.h.PMT w.th.a dyn.mic range of four orders.of mag.2}tude for each cell in.*** Th. dyn.mic range is.ex.en.ed by us.n. th.s. PMTs.to meas.re th. effective charg. den.0}ty in.th. core reg.on.of air s.ow.r even.s.w.1}ch is.an.importan. parameter for iden.ifyin. th. compos.tion.of primary *** an. Con.lus.on.Th. s.s.em h.s.been.run.in. for more th.n.on. *** th.s.paper,th. details.of th. des.g.2}an. performan.e of w.DA++are pres.n.ed.

关键词： Lh.As.-w.DA w.DA++ w.ter cheren.ov detector Performan.e

Recon.0}ruction.of cheren.ov imag. bymultiple teles.opes.of Lh.As.-w.CTA

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Radiation.Detection.Techn.log. an. Meth.ds 2022年第4期6卷 544-557页

作者： F.Ah.ron.an.Q.An.Ax.keg. L.x.Bai Y.x.Bai Y.w.Bao D.Bas.ieri x.j.Bi Y.j.Bi j.T.Cai Zh. Cao Zh.n.Cao j.ch.ng.j.F.ch.ng.E.s.ch.n Liang ch.n Liang ch.n Lon. ch.n M.j.ch.n M.L.ch.n Q.h.ch.n s.h.ch.n s.Z.ch.n T.L.ch.n Y.ch.n h.L.ch.ng.n.ch.ng.Y.D.ch.ng.s.w.Cui x.h.Cui Y.D.Cui B.D’Ettorre Piazzoli B.Z.Dai h.L.Dai Z.g.Dai Dan.en.luobu Ddella Volpe K.K.Duan.j.h.Fan.Y.Z.Fan.Z.x.Fan.j.Fang K.Fang C.F.Fen. L.Fen. s.h.Fen. x.T.Fen. Y.L.Fen. B.g.o C.D.g.o L.Q.g.o Q.g.o w.g.o w.K.g.o M.M.g. L.s.geng g.h.g.n. Q.B.g.u M.h.g. F.L.g.o j.g.g.o x.L.g.o Y.Q.g.o Y.Y.g.o Y.A.h.n.h.h.h. h.n.h. s.L.h. x.B.h. Y.h. M.h.ller Y.K.h.r C.h.u x.h.u h.B.h. Q.h. s.h. s.C.h. x.j.h. D.h.h.ang w.h.h.ang x.T.h.ang x.Y.h.ang Y.h.ang Z.C.h.ang x.L.j. h.Y.j.a K.j.a K.j.ang Z.j.j.ang M.j.n.M.M.Kang T.Ke D.Kules.ov K.Levochkin.B.B.Li ch.ng.Li Con. Li F.Li h.B.Li h.C.Li h.Y.Li j.Li j.an.Li j.e Li K.Li w.Li x.Li x.n.Li x.n.Li YZLi Zh. Li Zh.o Li E.w.Liang Y.F.Liang s.j.Lin.B.Liu C.Liu D.Liu h.Liu h.D.Liu j.Liu j.L.Liu j.s.Liu j.Y.Liu M.Y.Liu R.Y.Liu s.M.Liu w.Liu Y.Liu Y.n.Liu w.j.Lon. R.Lu Q.Luo h.K.Lv B.Q.Ma L.L.Ma x.h.Ma j.R.Mao A.Mas.od Z.Min.w.Mitth.ms.ri Y.C.n.n.Z.w.Ou B.Y.Pang P.Pattarakij.an.ch Z.Y.Pei M.Y.Qi Y.Q.Qi B.Q.Qiao j.j.Qin.D.Ruffolo A.s.iz C.Y.s.ao L.s.ao O.s.cheg.lev x.D.s.en. j.Y.s.i h.C.s.n. Yu.V.s.en.in.V.s.epan.v Y.s. Q.n.s.n.x.n.s.n.Z.B.s.n.P.h.T.Tam Z.B.Tang w.w.Tian.B.D.w.21} C.w.21} h.w.21} h.g.w.21} j.C.w.21} j.s.w.21} L.P.w.21} L.Y.w.21} R.w.21} R.n.w.21} w.w.21} x.g.w.21} x.Y.w.21} Y.w.21} Y.D.w.21} Y.j.w.21} Y.P.w.21} Z.h.w.21} Z.x.w.21} Zh.n.w.21} Zh.n. w.21} D.M.w.i j.j.w.i Y.j.w.i T.w.n.C.Y.w. h.R.w. s.w. x.F.w. Y.s.w. s.Q.x. j.x.a j.j.x.a g.M.x.ang D.x.x.ao g.x.ao g.g.x.n.Y.L.x.n.Y.x.n. Z.x.on. D.L.x. R.x.x. L.x.e D.h.Yan.j.Z.Yan.C.w.Yang F.F.Yang h.w.Yang j.Y.Yang L.L.Yang M.j.Yang R.Z.Yang s.B.Yang Y.h.Yao Z.g.Yao Y.M.Ye L.Q.Yin.n.Yin.x.h.You Z.Y.You Y.h.Yu Q.Yuan.h.Yue h.D.Zen. T.x.Zen. w.Zen. Z.K.Zen. M.Zh. x.x.Zh.i B.B.zhang F.zhang h.M.zhang h.Y.zhang j.L.zhang L.x.zhang Li zhang Lu zhang P.F.zhang P.P.zhang R.zhang s.B.zhang s.R.zhang s. Key Laboratory of Particle As.roph.ics.Ex.erimen.al Ph.s.cs.Divis.on.Computin. Cen.er Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Un.vers.ty of ch.nes. Academy of s.ien.es Beijing 100049China TIAn.U Cos.ic Ray Res.arch Cen.er ChengduSichuanChina Dublin.In.0}itute for Advan.ed s.udies 31 Fitzwilliam Place2DublinIreland Max.Plan.k-In.0}itut for n.clear Ph.s.cs P.O.Box 10398069029 HeidelbergGermany s.ate Key Laboratory of Particle Detection.an. Electron.cs BeijingChina Un.vers.ty of s.ien.e an. Techn.log. of ch.na Hefei 230026AnhuiChina s.h.ol of Ph.s.cal s.ien.e an. Techn.log.&s.h.ol of In.ormation.s.ien.e an. Techn.log. Southwest Jiaotong UniversityChengdu 610031SichuanChina Colleg. of Ph.s.cs Sichuan UniversityChengdu 610065SichuanChina s.h.ol of As.ron.my an. s.ace s.ien.e Nanjing UniversityNanjing 210023JiangsuChina Cen.er for As.roph.s.cs Guangzhou UniversityGuangzhou 510006GuangdongChina Key Laboratory of Dark Matter an. s.ace As.ron.my&Key Laboratory of Radio As.ron.my Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023JiangsuChina Key Laboratory for Res.arch in.g.lax.es.an. Cos.olog. Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Key Laboratory of Cos.ic Rays.Tibet Un.vers.ty) Ministry of EducationLhasa 850000TibetChina n.tion.l As.ron.mical Obs.rvatories Chinese Academy of SciencesBeijing 100101China h.bei n.rmal Un.vers.ty Shijiazhuang 050024HebeiChina s.h.ol of Ph.s.cs.an. As.ron.my(Zh.h.i)&s.n.-Fren.h.In.0}itute of n.clear En.in.erin. an. Techn.log.(Zh.h.i) Sun Yat-sen UniversityZhuhai 519000China s.h.ol of Ph.s.cs.g.angzh.u) Sun Yat-sen UniversityGuangzhou 510275GuangdongChina Dipartimen.o di Fis.ca dell’Un.vers.tàdi n.poli“Federico II” Complesso Universitario di Monte Sant’Angelovia Cinthia80126 NapoliItaly s.h.ol of Ph.s.cs.an. As.ron.my Yunnan UniversityKunming 650091YunnanChina Départemen. de Ph.s.que n.cléaire et Corpus.ulaire Facultéde SciencesUniversitéde Genève

In.roduction.On. of main.s.ien.iﬁc g.als.of th. Larg. h.g.7}Altitude Air s.ow.r Obs.rvatory(Lh.As.)is.to accurately meas.re th. en.rg. s.ectra of differen. cos.ic ray compos.tion.0}aroun. th.‘kn.e’*** w.de Field-of-View.FoV)cheren.ov Teles.ope Array(w.CTA),w.7}ch is.on. of th. main.detectors.of Lh.As. an. h.s.18 teles.opes.is.built to achieve th.s.*** teles.opes.are put tog.th.r an. poin. to con.ected direction.0}for a larg.r *** Teles.opes.are deployed s.atially as.clos. as.pos.ible,but due to th.ir ow.0}s.ze,th. dis.an.e betw.en.tw. adj.cen. teles.opes.is.about 10 ***,th. cheren.ov lateral dis.ribution.an. th. parallax.betw.en.th. tw. teles.opes.s.ould be con.0}dered in.th. even. buildin. proces. for imag.s.cros.in. over th. boun.aries.of FoVs.of th. *** even. buildin. meth.d for cheren.ov imag.s.meas.red by multiple teles.opes.of w.CTA is.*** performan.e of th. s.ow.r meas.remen.s.us.n. th. combin.d imag.s.is.evaluated by comparin. w.th.s.ow.rs.th.t are fully con.ain.d by a virtual teles.ope in.*** an. con.lus.on.It is.proved th.t th. developed even. buildin. proces. can.h.lp to in.reas. th. FoV of w.CTA by 30%w.7}le main.ain.n. th. s.me recon.0}ruction.quality,compared to th. s.parate teles.ope recon.0}ruction.meth.d.

关键词： meth.d direction. con.lus.on

Performan.e of Lh.As.-w.DA an. obs.rvation.of th. Crab n.bula as.a s.an.ard can.le

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ch.nes. Ph.s.cs.C 2021年第8期45卷 166-181页

作者： F.Ah.ron.an.Q.An.Ax.keg. L.x.Bai Y.x.Bai Y.w.Bao D.Bas.ieri x.j.Bi Y.j.Bi h.Cai j.T.Cai Z.Cao Z.Cao j.ch.ng.j.F.ch.ng.x.C.ch.ng.B.M.ch.n j.ch.n L.ch.n L.ch.n L.ch.n M.j.ch.n M.L.ch.n Q.h.ch.n s.h.ch.n s.Z.ch.n T.L.ch.n x.L.ch.n Y.ch.n n.ch.ng.Y.D.ch.ng.s.w.Cui x.h.Cui Y.D.Cui B.Z.Dai h.L.Dai Z.g.Dai Dan.en.luobu D.della Volpe B.D'Ettorre Piazzoli x.j.Don. j.h.Fan.Y.Z.Fan.Z.x.Fan.j.Fang K.Fang C.F.Fen. L.Fen. s.h.Fen. Y.L.Fen. B.g.o C.D.g.o Q.g.o w.g.o M.M.g. L.s.geng g.h.g.n. Q.B.g.u M.h.g. j.g.g.o x.L.g.o Y.Q.g.o Y.Y.g.o Y.A.h.n.h.h.h. h.n.h. j.C.h. s.L.h. x.B.h. Y.h. M.h.ller Y.K.h.r C.h.u x.h.u h.B.h. s.h. s.C.h. x.j.h. D.h.h.ang Q.L.h.ang w.h.h.ang x.T.h.ang Z.C.h.ang F.j. x.L.j. h.Y.j.a K.j.ang Z.j.j.ang C.j.n.D.Kules.ov K.Levochkin.B.B.Li C.Li C.Li F.Li h.B.Li h.C.Li h.Y.Li j.Li K.Li w.L.Li x.Li x.Li x.R.Li Y.Li Y.Z.Li Z.Li Z.Li E.w.Liang Y.F.Liang s.j.Lin.B.Liu C.Liu D.Liu h.Liu h.D.Liu j.Liu j.L.Liu j.s.Liu j.Y.Liu M.Y.Liu R.Y.Liu s.M.Liu w.Liu Y.n.Liu Z.x.Liu w.j.Lon. R.Lu h.K.Lv B.Q.Ma L.L.Ma x.h.Ma j.R.Mao A.Mas.od w.Mitth.ms.ri T.Mon.aruli Y.C.n.n.B.Y.Pang P.Pattarakij.an.ch Z.Y.Pei M.Y.Qi B.Q.Qiao D.Ruffolo V.Rulev A.s.iz L.s.ao O.s.cheg.lev x.D.s.en. j.R.s.i h.C.s.n. Yu.V.s.en.in.V.s.epan.v Q.n.s.n.x.n.s.n.Z.B.s.n.P.h.T.Tam Z.B.Tang w.w.Tian.B.D.w.58} C.w.58} h.w.58} h.g.w.58} j.C.w.58} j.s.w.58} L.P.w.58} L.Y.w.58} R.n.w.58} w.w.58} w.w.58} x.g.w.58} x.j.w.58} x.Y.w.58} Y.D.w.58} Y.j.w.58} Y.P.w.58} Z.w.58} Z.w.58} Z.h.w.58} Z.x.w.58} D.M.w.i j.j.w.i Y.j.w.i T.w.n.C.Y.w. h.R.w. s.w. w.x.w. x.F.w. s.Q.x. j.x.a j.j.x.a g.M.x.ang g.x.ao h.B.x.ao g.g.x.n.Y.L.x.n.Y.x.n. D.L.x. R.x.x. L.x.e D.h.Yan.C.w.Yang F.F.Yang j.Y.Yang L.L.Yang M.j.Yang R.Z.Yang s.B.Yang Y.h.Yao Z.g.Yao Y.M.Ye L.Q.Yin.n.Yin.x.h.You Z.Y.You Y.h.Yu Q.Yuan.h.D.Zen. T.x.Zen. w.Zen. Z.K.Zen. M.Zh. x.x.Zh.i B.B.zhang h.M.zhang h.Y.zhang j.L.zhang j.w.zhang L.zhang L.zhang L.x.zhang P.F.zhang P.P.zhang R.zhang s.R.zhang s.s.zhang x.zhang x.P.zhang Y.zhang Y.zhang Y.F.zhang Y.L.zhang B.Zh.o j.Zh.o L.Zh.o L.Z.Zh.o s.P.Zh.o F.Zh.n. Y.Zh.n. B.Zh.u h.Zh.u j.n.Zh.u Key Laboratory of Particle As.roph.ics.Ex.erimen.al Ph.s.cs.Divis.on.Computin. Cen.er Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Un.vers.ty of ch.nes. Academy of s.ien.es Beijing 100049China TIAn.U Cos.ic Ray Res.arch Cen.er ChengduSichuanChina s.ate Key Laboratory of Particle Detection.an. Electron.cs China Un.vers.ty of s.ien.e an. Techn.log. of ch.na Hefei 230026China Departmen. of En.in.erin. Ph.s.cs Tsinghua UniversityBeijing 100084China n.tion.l As.ron.mical Obs.rvatories Chinese Academy of SciencesBeijing 100101China n.tion.l s.ace s.ien.e Cen.er Chinese Academy of SciencesBeijing 100190China s.h.ol of Ph.s.cs Peking UniversityBeijing 100871China Cen.er for As.roph.s.cs Guangzhou UniversityGuangzhou 510006China s.h.ol of Ph.s.cs.an. As.ron.my&s.h.ol of Ph.s.cs.g.angzh.u) Sun Yat-sen UniversityZhuhai 519082China s.h.ol of Ph.s.cal s.ien.e an. Techn.log. Guangxi UniversityNanning 530004China h.bei n.rmal Un.vers.ty Shijiazhuang 050024China s.h.ol of Ph.s.cs.an. Microelectron.cs Zhengzhou UniversityZhengzhou 450001China s.h.ol of As.ron.my an. s.ace s.ien.e Nanjing UniversityNanjing 210023China Key Laboratory of Dark Matter an. s.ace As.ron.my Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China In.0}itute of Fron.ier an. In.erdis.iplin.ry s.ien.e Shandong UniversityQingdao 266237China Key Laboratory for Res.arch in.g.lax.es.an. Cos.olog. Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Ts.n.-Dao Lee In.0}itute&s.h.ol of Ph.s.cs.an. As.ron.my Shanghai Jiao Tong UniversityShanghai 200240China s.h.ol of Ph.s.cal s.ien.e an. Techn.log.&s.h.ol of In.ormation.s.ien.e an. Techn.log. Southwest Jiaotong UniversityChengdu 610031China Colleg. of Ph.s.cs Sichuan UniversityChengdu 610065China Key Laboratory of Cos.ic Rays.Tibet Un.vers.ty) Ministry of EducationLhasa 850000China s.h.ol of Ph.s.cs.an. Techn.log. Wuhan UniversityWuhan 430072China s.h.ol of Ph.s.cs.an. As.ron.my Yunnan University

Th. firs. w.ter cheren.ov detector of th. Lh.As. ex.erimen.(w.DA-1)h.s.been.operatin. s.n.e April *** data for th. firs. year h.ve been.an.lyzed to tes. its.performan.e by obs.rvin. th. Crab n.bula as.a s.an.ard *** w.DA-1 achieves.a s.n.0}tivity of 65 mCU per year,w.th.a s.atis.ical th.es.old of 5 *** accomplis. th.s.a 97.7%cos.ic-ray backg.oun. rej.ction.rate aroun. 1 TeV an. 99.8%aroun. 6 TeV w.th.an.ap prox.mate ph.ton.acceptan.e of 50%is.achieved after applyin. an.alg.rith. to s.parate g.mma-in.uced *** angular res.lution.is.meas.red us.n. th. Crab n.bula as.a poin. s.urce to be approx.mately 0.45°at 1 TeV an. better th.n.0.2°above 6 TeV,w.th.a poin.in. accuracy better th.n.0.05°.Th.s. values.all match th. des.g.4}*** en.rg. res.lution.is.foun. to be 33%for g.mma rays.aroun. 6 *** s.ectral en.rg. dis.ribution.of th. Crab n.bula in.th. range from 500 g.V to 15.8 TeV is.meas.red an. foun. to be in.ag.eemen. w.th.th. res.lts.from oth.r TeV g.mma ray obs.rvatories.

关键词： Lh.As.-w.DA Crab n.bula angular res.lution s.ectral en.rg. dis.ribution

Lh.As.-KM2A detector s.mulation.us.n. g.an.4

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Radiation.Detection.Techn.log. an. Meth.ds 2024年第3期8卷 1437-1447页

作者： Zh.n.Cao F.Ah.ron.an.Q.An.Ax.keg. Y.x.Bai Y.w.Bao D.Bas.ieri x.j.Bi Y.j.Bi j.T.Cai Q.Cao w.Y.Cao Zh. Cao j.ch.ng.j.F.ch.ng.A.M.ch.n E.s.ch.n Liang ch.n Lin.ch.n Lon. ch.n M.j.ch.n M.L.ch.n Q.h.ch.n s.h.ch.n s.Z.ch.n T.L.ch.n Y.ch.n n.ch.ng.Y.D.ch.ng.M.Y.Cui s.w.Cui x.h.Cui Y.D.Cui B.Z.Dai h.L.Dai Z.g.Dai Dan.en.luobu x.Q.Don. K.K.Duan.j.h.Fan.Y.Z.Fan.j.Fang K.Fang C.F.Fen. L.Fen. s.h.Fen. x.T.Fen. Y.L.Fen. s.g.bici B.g.o C.D.g.o L.Q.g.o Q.g.o w.g.o w.K.g.o M.M.g. L.s.geng g.g.acin.i g.h.g.n. Q.B.g.u M.h.g. F.L.g.o x.L.g.o Y.Q.g.o Y.Y.g.o Y.A.h.n.h.h.h. h.n.h. j.Y.h. x.B.h. Y.h. Y.K.h.r B.w.h.u C.h.u x.h.u h.B.h. Q.h. s.C.h. D.h.h.ang T.Q.h.ang w.j.h.ang x.T.h.ang x.Y.h.ang Y.h.ang Z.C.h.ang x.L.j. h.Y.j.a K.j.a K.j.ang x.w.j.ang Z.j.j.ang M.j.n.M.M.Kang T.Ke D.Kules.ov K.Kurin.v B.B.Li ch.ng.Li Con. Li D.Li F.Li h.B.Li h.C.Li h.Y.Li j.Li j.an.Li j.e Li K.Li w.L.Li w.L.Li x.R.Li x.n.Li Y.Z.Li Zh. Li Zh.o Li E.w.Liang Y.F.Liang s.j.Lin.B.Liu C.Liu D.Liu h.Liu h.D.Liu j.Liu j.L.Liu j.Y.Liu M.Y.Liu R.Y.Liu s.M.Liu w.Liu Y.Liu Y.n.Liu R.Lu Q.Luo h.K.Lv B.Q.Ma L.L.Ma x.h.Ma j.R.Mao Z.Min.w.Mitth.ms.ri h.j.Mu Y.C.n.n.A.n.ron.v Z.w.Ou B.Y.Pang P.Pattarakij.an.ch Z.Y.Pei M.Y.Qi Y.Q.Qi B.Q.Qiao j.j.Qin.D.Ruffolo A.s.iz D.s.mikoz C.Y.s.ao L.s.ao O.s.cheg.lev x.D.s.en. F.w.s.u h.C.s.n. Yu.V.s.en.in.V.s.epan.v Y.s. Q.n.s.n.x.n.s.n.Z.B.s.n.P.h.T.Tam Q.w.Tang Z.B.Tang w.w.Tian.C.w.21} C.B.w.21} g.w.w.21} h.g.w.21} h.h.w.21} j.C.w.21} K.w.21} L.P.w.21} L.Y.w.21} P.h.w.21} R.w.21} w.w.21} x.g.w.21} x.Y.w.21} Y.w.21} Y.D.w.21} Y.j.w.21} Z.h.w.21} Z.x.w.21} Zh.n.w.21} Zh.n. w.21} D.M.w.i j.j.w.i Y.j.w.i T.w.n.C.Y.w. h.R.w. s.w. x.F.w. Y.s.w. s.Q.x. j.x.a j.j.x.a g.M.x.ang D.x.x.ao g.x.ao g.g.x.n.Y.L.x.n.Y.x.n. Z.x.on. D.L.x. R.F.x. R.x.x. w.L.x. L.x.e D.h.Yan.j.Z.Yan.T.Yan.C.w.Yang F.Yang F.F.Yang h.w.Yang j.Y.Yang L.L.Yang M.j.Yang R.Z.Yang s.B.Yang Y.h.Yao Z.g.Yao Y.M.Ye L.Q.Yin.n.Yin.x.h.You Z.Y.You Y.h.Yu Q.Yuan.h.Yue h.D.Zen. T.x.Zen. w.Zen. M.Zh. B.B.zhang F.zhang h.M.zhang h.Y.zhang j.L.zhang L.x.zhang Li zhang P.F.zhang P.P.zhang R.zhang s.B.Zh Key Laboratory of Particle As.roph.s.cs.Ex.erimen.al Ph.s.cs.Divis.on.Computin. Cen.er Institute of High Energy PhysicsChinese Academy of SciencesBeijing100049China Un.vers.ty of ch.nes. Academy of s.ien.es Beijing100049China TIAn.U Cos.ic Ray Res.arch Cen.er ChengduSichuanChina Dublin.In.0}itute for Advan.ed s.udies 31 Fitzwilliam Place2 DublinIreland Max.Plan.k-In.0}itute for n.clear Ph.s.cs 69029Heidelberg103980Germany s.ate Key Laboratory of Particle Detection.an. Electron.cs BeijingChina Un.vers.ty of s.ien.e an. Techn.log. of ch.na Hefei230026AnhuiChina s.h.ol of Ph.s.cal s.ien.e an. Techn.log.&s.h.ol of In.ormation.s.ien.e an. Techn.log. Southwest Jiaotong UniversityChengdu610031SichuanChina s.h.ol of As.ron.my an. s.ace s.ien.e Nanjing UniversityNanjing210023JiangsuChina Cen.er for As.roph.s.cs Guangzhou UniversityGuangzhou510006GuangdongChina h.bei n.rmal Un.vers.ty Shijiazhuang050024HebeiChina Key Laboratory of Dark Matter an. s.ace As.ron.my&Key Laboratory of Radio As.ron.my Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023JiangsuChina Ts.n.-Dao Lee In.0}itute&s.h.ol of Ph.s.cs.an. As.ron.my Shanghai Jiao Tong UniversityShanghai 200240China Key Laboratory for Res.arch in.g.lax.es.an. Cos.olog. Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Key Laboratory of Cos.ic Rays.Tibet Un.vers.ty) Ministry of EducationLhasa 850000TibetChina n.tion.l As.ron.mical Obs.rvatories Chinese Academy of SciencesBeijing 100101China s.h.ol of Ph.s.cs.an. As.ron.my(Zh.h.i)&s.h.ol of Ph.s.cs.g.angzh.u)&s.n.-Fren.h.In.0}itute of n.clear En.in.erin. an. Techn.log.(Zh.h.i) Sun Yat-sen UniversityGuangzhouZhuhai 510275519000GuangdongChina s.h.ol of Ph.s.cs.an. As.ron.my Yunnan UniversityKunming 650091YunnanChina In.0}itute of Fron.ier an. In.erdis.iplin.ry s.ien.e Shandong UniversityQingdao 266237ShandongChina APC UniversitéParis CitéCNRS/IN2P3CEA/IRFUObservatoire de ParisParis 11975205France Departmen. of En.in.erin. Ph.s

KM2A is.on. of th. main.s.b-arrays.of Lh.As.,w.rkin. on.g.mma ray as.ron.my an. cos.ic ray ph.s.cs.at en.rg.es.above 10 *** s.mulation.is.th. importan. foun.ation.for es.imatin. detector performan.e an. data *** is.a big.challen.e to s.mulate th. KM2A detector in.th. framew.rk of g.an.4 due to th. n.ed to track n.merous.ph.ton.0}from a larg. n.mber of detector un.ts.>6000)w.th.larg. altitude differen.e(30)an. h.g. coverag.(1.3).In.th.s.paper,th. des.g.1}of th. KM2A s.mulation.code g.KM2A bas.d on.g.an.4 is.*** proces. of g.KM2A is.optimized main.y in.memory con.0}mption.to avoid memory *** s.mplification.0}are us.d to s.g.1}fican.ly s.eed up th. ex.cution.of *** run.in. time is.reduced by at leas. 30 times.compared to full detector *** particle dis.ribution.0}an. th. core/angle res.lution.comparis.n.betw.en.s.mulation.an. ex.erimen.al data of th. full KM2A array are als. pres.n.ed,w.2}ch s.ow.g.od ag.eemen..

关键词： Lh.As. KM2A s.mulation g.An.4