Little Higgs模型與強(qiáng)子對(duì)撞機(jī)上的單頂夸克產(chǎn)生.pdf

1、遼寧師范大學(xué)碩士學(xué)位論文LittleHiggs模型與強(qiáng)子對(duì)撞機(jī)上的單頂夸克產(chǎn)生姓名：周麗申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：理論物理（粒子）指導(dǎo)教師：岳崇興200705202AbstraetContent：Thediscoveryofthetopquarkin1995bytheCDFandDO00u舢ratI伽attheFermilabTevlitron，markedthedawlaofanew廿Binparticleplaysies，Thetop

2、quBrk，研thamB硝of“dieorderoftheelectrowealf【scale，，ll=172，7429GeV曲thehe““朗tp＆rt媯eyetdlseoveredandmightbethe丘r毗placeinwhichn刪physic8eff∞t8coddappearInrecentye哪，thelittleHig伊theoryis∞ekindofthepoouIarnewphy8iealtheofi∞Thefit

3、tle札ng鏟modelandthe80(3)simplegroupmodelprovide越e。o丑omicalapproachwhjchimplementsthejdⅢofthelittleHjg印theoryIn咖8paper，Winvestigatetheeorreetiom0fthelittlestltiggEmodelandtheSU(3)sjmplegroupmodelto如gletopproduc脅蛆dwhetherit

4、咖bedetec舡d8ttheLItCo(perim哪hthe岫ttwop叭“presentⅫoverviewofTopQIⅢkPhy8虹舶mwhath∞beenleam目l∞缸atthe咖t陽n，tothesearchestlmtbeaheadatpresentandfIltun∞md哪Topquarkphysi曙includetopqu田★pmpertities，topquarkpnⅪluetion，topquarkdeea，曲dt

5、opdetectingWe虬ml刪齲therj血髑Boftheme咖n咖ts衄ddi鯽1鲴thekp0鶴ibkimp郵t∞011rll衛(wèi)da毗Bndi890ftheSt衄dardModel岵pointingouttheirkeyeletll即t8and“皿it8tio∞W_h曲p0蠲ibk，孵d函咖hoⅣthetopquarkmayprovideBeo曲eetiont0n哪or1lⅡ麟pe捌phy葡aInthethirdpart，Wem

6、trodueetheLittleltig驢modelWe瑚ltI罨ofi繾themanylittleHig鏟modelsjⅡt0twoclB姆：product毋oupmodeland柚pleFoupmodel，w址曲bl‘矗edoB磕e乳nlctufeoftheextendeddeetrowe^&95n季egfaup。A8托p】嘣e蝣8ti餾ofthetwoc18姻譬，研studytheLittler瑚g驢(LH)modelandthe

7、SU(3)且impkgroupmodelLittleHigpmodelspredictⅡewgaugeb【增哪，fe刪咖BⅡdsc岫attheTeV卵a(bǔ)Jethat讎BbiU緲theHig印ma髓Bl岫tqtladr丑ticaUydivergentonel∞pradi柚Wcorreetio∞。Wefindth砒bystudyingthec∞plin鏟ofthe∞Wgaugebo∞∞totheⅡghtmg驢b徹andtothest加d刪M

8、odelfermi刪，om鋤∞n丑眥thelittleI王j留日me婦曲manddetenmnethennKtureoftheextendedeleetr∞eakgaugegroupInktp哦，％investigatetheeonectiomofthelittlemH曬日modelandtheSO(3)。面pkgrmlpmodeltosingletopproduet劬attheCIgRNLargella_rdl“onCollid盯(I

9、ltC)Therea弛threeproductionprc_cl駕8曙：8elmrmelpro姻窖彳一“酢telm血nelpr∞嘲叮b_，tOl“蠆b_t蠆andtW呻∞cjBtedproductionprocessFor，21TeV，04so‘soB，01，抽1㈣】intheSU(3)simpleFollpmodel，the＆hoIutev斟u∞oftherelAtlvecorrectionfortetmrmel，。ch鋤el，蛐dt

10、W柏8DciH毛edpr伽luctmnproce∞囂a北inther柚g镩of43％～10，8％，31％～7，5％，郵d2％～106％。唧eetivelyWefindthattheIleWg^ugebalOllflH臂，x—predj西甜btheLItmodelCallgenerate且i乒m咖teontributio叫to8mgletopp∞duction、幢thech觸melproee筮Weexpectth毗theetteet8of