A7AS/CMS物理日标 寻找质量范圆在115<mH<1000GeV的标准棋型预言的 Higgs(波色子 寻找直到TeV质量的标准模型以上的物理(超对称性,q/! compositeness leptoquarks, W/2, heavy a/l, Extra-dimensions, ... 精密测量: WV质量 -top质量,合和衰变性质 Higgs质量,自旋,合(如果Hgs粒子被找到的话) B- physics(作为LHCb补充):CP破坏,稀有衰变,B0振荡 QCD喷注截面和a3 etc 在高密度下研究从强子物质到解因禁夸克和胶子等离子体的相变(作为 ALCE的补充) Etc etc 这些物狸目标是LHC实验计划最感兴趣的部分
童国梁,桂林,2006.10.28-11.1 高能物理学会第七届全国 会员代表大会暨学术年会 6 ATLAS/CMS物理目标 寻找质量范围在115 < mH < 1000 GeV的标准模型预言的Higgs 波色子 寻找直到TeV质量的标准模型以上的物理(超对称性，q/ compositeness, leptoquarks, W’/Z’, heavy q/, Extra-dimensions, ….) 精密测量 : -- W 质量 -- top质量, 耦合和衰变性质 -- Higgs 质量, 自旋, 耦合 (如果Higgs粒子被找到的话) -- B-physics (作为LHCb补充): CP 破坏, 稀有衰变, B0 振荡 -- QCD 喷注截面和 as -- etc. …. 在高密度下研究从强子物质到解囚禁夸克和胶子等离子体的相变（作为 ALICE的补充） Etc. etc. ….. 这些物理目标是LHC实验计划最感兴趣的部分
以 ATLAS/CM实验为例, Which physics the first year(S)? Expected event rates at production in ATLAS at L= 1033 cm-2s-1 Process Events/s Events for 10 fb-1 Total statistics collected at previous machines by 07 W→ev 15 10 104 LEP/107 Tevatron z→)ee 1.5 107 LEP 107 104 Tevatron 106 1012-1013 109 Belle/BaBar H m=130 GeV 0.02 10 Already in first year, large statistics expected from known SM processes understand detector and physics at vs=14 TeV several New Physics sc悶学会第七届全国 童国梁桂林,20061028-111 会员代表大会暨学术年会
童国梁,桂林,2006.10.28-11.1 高能物理学会第七届全国 会员代表大会暨学术年会 7 Expected event rates at production in ATLAS at L = 1033 cm-2 s -1 Process Events/s Events for 10 fb-1 Total statistics collected at previous machines by ‘07 W→ e 15 108 104 LEP / 107 Tevatron Z→ ee 1.5 107 107 LEP 1 107 104 Tevatron 106 1012 – 1013 109 Belle/BaBar ? gg ~~ tt bb H m=130 GeV 0.02 105 ? Already in first year, large statistics expected from: -- known SM processes → understand detector and physics at s = 14 TeV -- several New Physics scenarios 以ATLAS/CMS实验为例，Which physics the first year(s) ?
Search for the Higgs boson →ZZ(→4C 比较乐观 ATLAS ■L=30tb ATLAS CMS ▲L=100tb (no K-factors ATLAS Bael S4 years year 13 years 5≡ discovery esent limit mH(Gev) 高能物埋字公弟七届全国 会员代表大会暨学术年会
童国梁,桂林,2006.10.28-11.1 高能物理学会第七届全国 会员代表大会暨学术年会 8 Search for the Higgs boson 比较乐观 ATLAS H → ZZ(*) → 4 5s discovery ~1 year ~3 years ~ 4 years present limit
寻找超对称粒子和暗物质 e This particle (neutralino)is a good candidate for the universe dark matter AtLaS discovery reach Time reach in squark/gluino mass 1 month w 1.3 Tev 18Te∨ 3 years w 25 Tev ultimate up to w 3 TeV Neutralino mass can be measured to 10%>SUsy discovery and neutralino mass measurement at lhc can solve problem of universe cold dark matter 童国梁桂林,200610.28-1.1 高能物理学会第七届全国 会员代表大会暨学术年会
童国梁,桂林,2006.10.28-11.1 高能物理学会第七届全国 会员代表大会暨学术年会 9 ATLAS discovery reach Time reach in squark/gluino mass 1 month ~ 1.3 TeV 1 year ~ 1.8 TeV 3 years ~ 2.5 TeV ultimate up to ~ 3 TeV 寻找超对称粒子和暗物质 This particle (neutralino) is a good candidate for the universe dark matter Neutralino mass can be measured to 10% → SUSY discovery and neutralino mass measurement at LHC can solve problem of universe cold dark matter
The 1000th cryomagnetwas installed in the tunnel on 5th September (out of 1746 total LHC Progress Accelerato Dashboard Department Cryodipole overview 1250 √an0 01-Jan04 01~a05 01an0601Jan07 The Dash Board for the dipoles Cryodipdles cold test passed Cryodipdles assigned to position in ning Cryodipales prepared forinstallatan dipoles instaled G1222 total in LHC)on 31st August Updated 31 Aug 2006 Data provided by D, Tommasini AT-MAS, L Bottura AT-MTM 卡年会
童国梁,桂林,2006.10.28-11.1 高能物理学会第七届全国 会员代表大会暨学术年会 10 The 1000th cryomagnet was installed in the tunnel on 5th September (out of 1746 total) The Dash Board for the dipoles (1232 total in LHC) on 31st August