JPARC一般化分布研究（可能性）课件

HighMomentumBeamlineatJ-PARC

Shin’yaSawadaKEK(HighEnergyAcceleratorResearchOrganization,Japan)Nov.12,20071Shin'yaSawada@RCNPHighMomentumBeamlineatJ-PAIntroductionExamplesofExperimentsHighMassDimuon(unpol)HighMassDimuon(pol):Goto-sanPhi:Yokkaichisan…BeamlineOverviewandR&DNov.12,20072Shin'yaSawada@RCNPIntroductionNov.12,20072ShinSlowExtractionBeamline(Phase1)NP-HALL56m(L)×60m(W)

50-GeVPST1Target30%LossBeamDump750kWSwitchYardA-LineT0Target0.5%LossSplitPoint2%LossPlantoextendthehalldownstream(~50m)inthePhase2.Nov.12,20073Shin'yaSawada@RCNPSlowExtractionBeamline(PhasBeamlinesattheHadronHallNov.12,20074Shin'yaSawada@RCNPBeamlinesattheHadronHallNoWhatistheHighMomentumBeamline?Primarybeams:proton(Phase1),polarizedprotonandheavyions(future)upto51GeV/c.Secondarybeams:proton,pion,kaon,etc.TheradiationshieldingoftheSYtunnelisdesignedsothat2%(15kW)lossallowedatSM1.Exp.setupcouldbestaged.~120mNov.12,20075Shin'yaSawada@RCNPWhatistheHighMomentumBeamHadronPhysicsBeamsofnotonlylowmomentumK/piareindispensabletostudyQCDissuesatJ-PARC!Drell-Yan,J/Psiproductionstructureatlargex

p,KscatteringHypernucleiformationvia

p,KbeamsVectormesonmodificationinmatterChiralperturbationtheoryviaKdecays

Spectroscopywith

p

andKbeamsNov.12,20076Shin'yaSawada@RCNPHadronPhysicsBeamsofnotonlPhysicsPossibilitiesoftheHighMomentumBeamlineHadronPhysics~PhysicsofQCDTwoMajorQuestsofQCDquarkconfinementandchiralsymmetrybreakingSubjectsofHadronPhysics:attackingthesequestsfromvariousaspectsofview,atJ-PARC.Hadronspectroscopy:spectroscopywithpi/KMeson-baryondynamics:chiralperturbationviaKdecays,…QuarknuclearmatterNuclearforce:pi/Kscattering,hypernuclear

formationviapi/KNucleonstructureExperimentstoexploremajorhadronphysicsquestsarepossibleatthehighmomentumbeamline!vectormesonmodificationinmatterchiralsymmetryrestorationDrell-YanandJ/PsiproductionnucleonstructureatlargexNov.12,20077Shin'yaSawada@RCNPPhysicsPossibilitiesoftheHExamplesofExperimentsHighMassDimuonMeasurement~1012/sprotonstalkbyGoto-sanforthepol.partVectorMesonModificationinNuclei~109-1010/sprotonstalkbyYokkaichi-sanOtherPossibilitiesGPDwithppppiDelta?talkbySudoh-sanattheAutumnJPSmeeting“J-PARCにおける一般化パートン分布研究（の可能性）とクォーク軌道角運動量”VectormesoninsidenucleustalkbyOzawa-sanHighmomentumkaon/pion??Nov.12,20078Shin'yaSawada@RCNPExamplesofExperimentsHighMaP04:MeasurementofHigh-MassDimuonProductionatthe50-GeVProtonSynchrotronneeds30and50GeV,1012protonspersec.Nov.12,20079Shin'yaSawada@RCNPP04:MeasurementofHigh-MassPhysicswithHigh-MassDimuonsatJ-PARCNov.12,200710Shin'yaSawada@RCNPPhysicswithHigh-MassDimuonsDimuonSpectrometerforFNALE605/772/789/866p+p(d)→μ+μ-xat800GeV/cTwocomponentsintheμ+μ-spectrum:(a)Continuum:Drell-Yanprocess(b)Vectormesons:J/ψ,ΥFNALE866Nov.12,200711Shin'yaSawada@RCNPDimuonSpectrometerforFNALENov.12,200712Shin'yaSawada@RCNPNov.12,200712Shin'yaSawadaNov.12,200713Shin'yaSawada@RCNPNov.12,200713Shin'yaSawadaQuarkEnergyLosswithD-Yat50GeVFractionalenergylossislargerat50GeVPossibletotestthepredictedL2-dependencefromtheA-dependencemeasurementGarveyandPeng,PRL90(2003)092302Nov.12,200714Shin'yaSawada@RCNPQuarkEnergyLosswithD-YatIssuesraisedbyPACRelationwithFermilabE906?50GeVprotonbeamisnotavailable.ShojiNagamiyasaysthata50-GeVprotonmaybeavailablewithslowrampingevenwithoutaflying-wheelgenerator,accordingtoProf.Yamazaki,theleaderoftheJ-PARCacceleratorgroup.Whatisastage-1approval?Nov.12,200715Shin'yaSawada@RCNPIssuesraisedbyPACRelationwStatusofFermilabE906ApprovedbyFermilabPACin2001ReviewedbyFermilabPACagaininOctober2006,andthePACagainendorsedE906AtechnicalreviewofE906washeldatArgonneNationalLabinDecember2006InJune2007,USDOE/OfficeofNuclearPhysicsdecidedtofundE906ConstructionofthecoilsforanewmagnetConstruction/refurbishingthehodoscopesandtrackingchambersConstructionandinstallationwillbecompletedbyFallof2009E906isscheduledtorunfortwoyearsin2009-2011Equipmentswouldbecomeavailableinlate2011Nov.12,200716Shin'yaSawada@RCNPStatusofFermilabE906ApproveTheoreticalConsiderationbyYokoya-san“QCDcorrectiontotheDrell-YanprocessatJ-PARCenergy”H.Yokoya(Niigata)第１回「J-PARCにおける高エネルギーハドロン物理」セミナー８月２９日＠KEK50GeVのような「低エネルギー」においてDrell-Yan過程をQCDできちんと表せるのか？pQCDからの「ずれ」をきちんと予測・コントロールできるか？SummarybyYokoya-san:Drell-YanprocessattheJ-PARCenergy,QCDcorrectionisveryimportant,andhigher-ordercorrectionsbeyondNLOmayberequired.Resummationstudiestellus,however,pQCDcorrectioncanbecontrolledbysummingthelargelogterms.Power-correctionsmustbecomerelevant,andneedsmorestudies.UnpolarizedPDFs(sea-quark,gluon)isstillunknown,andhavetobemeasuredattheJ-PARCexperiments.Nov.12,200717Shin'yaSawada@RCNPTheoreticalConsiderationbyYE16:Electronpairspectrometer

toexplorethechiralsymmetryinQCDstage-1approvedneed30GeV,109–1010protonspersec.SeeYokkaichi’stalk.Nov.12,200718Shin'yaSawada@RCNPE16:ElectronpairspectrometeIntroductionExamplesofExperimentsHighMassDimuon(unpol)BeamlineOverviewandR&DNov.12,200719Shin'yaSawada@RCNPIntroductionNov.12,200719ShiBeamLineConfiguration&OpticsISecondaryBeams:Useathin(2%=15kWloss)targetatSM1CollectthematforwardanglesTransferthemfor~120mSchematicLayoutaroundSM1:ShieldingoftheswitchingyardhasbeendesignedtoaccommodatethelossatSM1Nov.12,200720Shin'yaSawada@RCNPBeamLineConfiguration&OptiBeamLineConfiguration&OpticsIIBeamOptics:apreliminarydesignhasbeenstudied.Example:10GeV/cparticlesBoreradiusofthequadrupolemagnetsis10cmorless.0.2msr%canbeachieved.Nov.12,200721Shin'yaSawada@RCNPBeamLineConfiguration&OptiYieldEstimation(30GeV)30GeVprotons+2%losscoppertarget.Productionangleof4degreeand(Dp/p)DW=0.2msr%.Momentum(GeV/c)ds/dpdW(mb/sr/GeV/c)YieldatSM1(per1014protons)Yieldat120m(per1014protons)p+514003.7E72.4E7p+102101.1E78.9E6p-510002.6E71.7E7p-101306.7E65.4E6K+51303.3E61.3E5K+10281.4E62.8E5K-5611.6E66.4E4K-107.03.6E57.2E4pbar5112.8E52.8E5pbar101.15.7E45.7E4Evenwith30GeVprotons,enoughintensitycanbeobtainedespeciallyforpions!Nov.12,200722Shin'yaSawada@RCNPYieldEstimation(30GeV)30GeVYieldEstimation(50GeV)50GeVprotons+2%losscoppertarget.Productionangleof4degreeand(Dp/p)DW=0.2msr%.Momentum(GeV/c)ds/dpdW(mb/sr/GeV/c)YieldatSM1(per1014protons)Yieldat120m(per1014protons)p+537009.5E76.2E7p+109304.7E73.8E7p-537009.5E76.2E7p-107003.6E72.9E7K+54401.1E74.4E5K+101206.2E61.2E6K-52205.7E62.3E5K-10562.9E65.8E5pbar5531.4E61.4E6pbar10168.4E58.4E5Togetmoreintensityforhighermomentumbeams,extractionatmoreforwardanglescanbeconsidered.Nov.12,200723Shin'yaSawada@RCNPYieldEstimation(50GeV)50GeVBeamLineConfiguration&OpticsIIIPrimaryBeams:BeamlineconfigurationisalmostthesameasthecaseforthesecondarybeamsexceptforequipmentsatSM1.Inordertocutafraction(10to100ppm)oftheprimarybeam,abeamstealercanbeused.1014primaryprotons109-1010protonsFieldfreeholeNov.12,200724Shin'yaSawada@RCNPBeamLineConfiguration&OptiBeamLineConfiguration&OpticsIVInordertogetafew%oftheprimarybeam,anelectrostaticseptumwillbeused.1014primaryprotons~1012protonsHighheatandradiationdeposithavetobetakenintoaccount.MoreR&Dworksshouldbenecessarytoestimatethebeamlossandtofinalizethedesign.Inordertogetafractionoftheprimarybeam,asystemwithabentcrystalwouldbeagoodcandidate.Nov.12,200725Shin'yaSawada@RCNPBeamLineConfiguration&OptiR&DforabentcrystalsystemTestexperimentatKEK-PS(12-GeVproton)ceramicplate(10x10cm)CsIplate(5x2.5cm)goniometerbentcrystalmainbeamdeflectedbeamviewfromabovecrystaldeflectionangle12GeVprotons1012/s107/sGrant-in-AidforanextstepR&Dofhigh-mombeamlineisbeingapplied:Bentcrystal,ESS,…CrystalpCsIplate±20cmCeramicplateAlplateGoniometer±oCeramicplatesDistance145cmNov.12,200726Shin'yaSawada@RCNPR&DforabentcrystalsystemTCost&Schedule:MagnetsfromtheWorldTotalcostifconstructedfromscratch:$5-8M??Wehavenobudgetsofartoconstructahighmomentumbeamline.Butwearedoingeveryefforttoconstructitwithassmallcostaspossible,e.g.reuseofsecond-handmagnets…AlreadyfromSLAC,Saclay,CERN,…LargedipolemagnetsfromANL(previouslyusedforthepolarizedbeamlineatFNAL)areunderprocess!Thehighmomentumbeamlinecanbeconstructedbyusingsomeofthesesecond-handmagnets.Thehighmomentumbeamlinecanbeconstructedevenatthebeginningofthehadronhalloperationfromtheviewpointofthefacilitydesign.LargedipolemagnetsattheMesonPolbeamline(FNAL)Nov.12,200727Shin'yaSawada@RCNPCost&Schedule:MagnetsfromSummaryHighmomentumbeamline.BranchlinefromSM1.p<51GeV/c,~120m,primaryandsecondarybeams.Richphysicspossibilityandmanyrequirements.Needsfortestexperimentswithhighmomentumbeamscanalsobefulfilled.Comeandjoinforthephysicsatthehighmomentumbeamline!“Coherent”effortstowardrealizationshouldbeimportant!Nov.12,200728Shin'yaSawada@RCNPSummaryHighmomentumbeamlineHighMomentumBeamlineatJ-PARC

Shin’yaSawadaKEK(HighEnergyAcceleratorResearchOrganization,Japan)Nov.12,200729Shin'yaSawada@RCNPHighMomentumBeamlineatJ-PAIntroductionExamplesofExperimentsHighMassDimuon(unpol)HighMassDimuon(pol):Goto-sanPhi:Yokkaichisan…BeamlineOverviewandR&DNov.12,200730Shin'yaSawada@RCNPIntroductionNov.12,20072ShinSlowExtractionBeamline(Phase1)NP-HALL56m(L)×60m(W)

50-GeVPST1Target30%LossBeamDump750kWSwitchYardA-LineT0Target0.5%LossSplitPoint2%LossPlantoextendthehalldownstream(~50m)inthePhase2.Nov.12,200731Shin'yaSawada@RCNPSlowExtractionBeamline(PhasBeamlinesattheHadronHallNov.12,200732Shin'yaSawada@RCNPBeamlinesattheHadronHallNoWhatistheHighMomentumBeamline?Primarybeams:proton(Phase1),polarizedprotonandheavyions(future)upto51GeV/c.Secondarybeams:proton,pion,kaon,etc.TheradiationshieldingoftheSYtunnelisdesignedsothat2%(15kW)lossallowedatSM1.Exp.setupcouldbestaged.~120mNov.12,200733Shin'yaSawada@RCNPWhatistheHighMomentumBeamHadronPhysicsBeamsofnotonlylowmomentumK/piareindispensabletostudyQCDissuesatJ-PARC!Drell-Yan,J/Psiproductionstructureatlargex

p,KscatteringHypernucleiformationvia

p,KbeamsVectormesonmodificationinmatterChiralperturbationtheoryviaKdecays

Spectroscopywith

p

andKbeamsNov.12,200734Shin'yaSawada@RCNPHadronPhysicsBeamsofnotonlPhysicsPossibilitiesoftheHighMomentumBeamlineHadronPhysics~PhysicsofQCDTwoMajorQuestsofQCDquarkconfinementandchiralsymmetrybreakingSubjectsofHadronPhysics:attackingthesequestsfromvariousaspectsofview,atJ-PARC.Hadronspectroscopy:spectroscopywithpi/KMeson-baryondynamics:chiralperturbationviaKdecays,…QuarknuclearmatterNuclearforce:pi/Kscattering,hypernuclear

formationviapi/KNucleonstructureExperimentstoexploremajorhadronphysicsquestsarepossibleatthehighmomentumbeamline!vectormesonmodificationinmatterchiralsymmetryrestorationDrell-YanandJ/PsiproductionnucleonstructureatlargexNov.12,200735Shin'yaSawada@RCNPPhysicsPossibilitiesoftheHExamplesofExperimentsHighMassDimuonMeasurement~1012/sprotonstalkbyGoto-sanforthepol.partVectorMesonModificationinNuclei~109-1010/sprotonstalkbyYokkaichi-sanOtherPossibilitiesGPDwithppppiDelta?talkbySudoh-sanattheAutumnJPSmeeting“J-PARCにおける一般化パートン分布研究（の可能性）とクォーク軌道角運動量”VectormesoninsidenucleustalkbyOzawa-sanHighmomentumkaon/pion??Nov.12,200736Shin'yaSawada@RCNPExamplesofExperimentsHighMaP04:MeasurementofHigh-MassDimuonProductionatthe50-GeVProtonSynchrotronneeds30and50GeV,1012protonspersec.Nov.12,200737Shin'yaSawada@RCNPP04:MeasurementofHigh-MassPhysicswithHigh-MassDimuonsatJ-PARCNov.12,200738Shin'yaSawada@RCNPPhysicswithHigh-MassDimuonsDimuonSpectrometerforFNALE605/772/789/866p+p(d)→μ+μ-xat800GeV/cTwocomponentsintheμ+μ-spectrum:(a)Continuum:Drell-Yanprocess(b)Vectormesons:J/ψ,ΥFNALE866Nov.12,200739Shin'yaSawada@RCNPDimuonSpectrometerforFNALENov.12,200740Shin'yaSawada@RCNPNov.12,200712Shin'yaSawadaNov.12,200741Shin'yaSawada@RCNPNov.12,200713Shin'yaSawadaQuarkEnergyLosswithD-Yat50GeVFractionalenergylossislargerat50GeVPossibletotestthepredictedL2-dependencefromtheA-dependencemeasurementGarveyandPeng,PRL90(2003)092302Nov.12,200742Shin'yaSawada@RCNPQuarkEnergyLosswithD-YatIssuesraisedbyPACRelationwithFermilabE906?50GeVprotonbeamisnotavailable.ShojiNagamiyasaysthata50-GeVprotonmaybeavailablewithslowrampingevenwithoutaflying-wheelgenerator,accordingtoProf.Yamazaki,theleaderoftheJ-PARCacceleratorgroup.Whatisastage-1approval?Nov.12,200743Shin'yaSawada@RCNPIssuesraisedbyPACRelationwStatusofFermilabE906ApprovedbyFermilabPACin2001ReviewedbyFermilabPACagaininOctober2006,andthePACagainendorsedE906AtechnicalreviewofE906washeldatArgonneNationalLabinDecember2006InJune2007,USDOE/OfficeofNuclearPhysicsdecidedtofundE906ConstructionofthecoilsforanewmagnetConstruction/refurbishingthehodoscopesandtrackingchambersConstructionandinstallationwillbecompletedbyFallof2009E906isscheduledtorunfortwoyearsin2009-2011Equipmentswouldbecomeavailableinlate2011Nov.12,200744Shin'yaSawada@RCNPStatusofFermilabE906ApproveTheoreticalConsiderationbyYokoya-san“QCDcorrectiontotheDrell-YanprocessatJ-PARCenergy”H.Yokoya(Niigata)第１回「J-PARCにおける高エネルギーハドロン物理」セミナー８月２９日＠KEK50GeVのような「低エネルギー」においてDrell-Yan過程をQCDできちんと表せるのか？pQCDからの「ずれ」をきちんと予測・コントロールできるか？SummarybyYokoya-san:Drell-YanprocessattheJ-PARCenergy,QCDcorrectionisveryimportant,andhigher-ordercorrectionsbeyondNLOmayberequired.Resummationstudiestellus,however,pQCDcorrectioncanbecontrolledbysummingthelargelogterms.Power-correctionsmustbecomerelevant,andneedsmorestudies.UnpolarizedPDFs(sea-quark,gluon)isstillunknown,andhavetobemeasuredattheJ-PARCexperiments.Nov.12,200745Shin'yaSawada@RCNPTheoreticalConsiderationbyYE16:Electronpairspectrometer

toexplorethechiralsymmetryinQCDstage-1approvedneed30GeV,109–1010protonspersec.SeeYokkaichi’stalk.Nov.12,200746Shin'yaSawada@RCNPE16:ElectronpairspectrometeIntroductionExamplesofExperimentsHighMassDimuon(unpol)BeamlineOverviewandR&DNov.12,200747Shin'yaSawada@RCNPIntroductionNov.12,200719ShiBeamLineConfiguration&OpticsISecondaryBeams:Useathin(2%=15kWloss)targetatSM1CollectthematforwardanglesTransferthemfor~120mSchematicLayoutaroundSM1:ShieldingoftheswitchingyardhasbeendesignedtoaccommodatethelossatSM1Nov.12,200748Shin'yaSawada@RCNPBeamLineConfiguration&OptiBeamLineConfiguration&OpticsIIBeamOptics:apreliminarydesignhasbeenstudied.Example:10GeV/cparticlesBoreradiusofthequadrupolemagnetsis10cmorless.0.2msr%canbeachieved.Nov.12,200749Shin'yaSawada@RCNPBeamLineConfiguration&OptiYieldEstimation(30GeV)30GeVprotons+2%losscoppertarget.Productionangleof4degreeand(Dp/p)DW=0.2msr%.Momentum(GeV/c)ds/dpdW(mb/sr/GeV/c)YieldatSM1(per1014protons)Yieldat120m(per1014protons)p+514003.7E72.4E7p+102101.1E78.9E6p-510002.6E71.7E7p-101306.7E65.4E6K+51303.3E61.3E5K+10281.4E62.8E5K-5611.6E66.4E4K-107.03.6E57.2E4pbar5112.8E52.8E5pbar101.15.7E45.7E4Evenwith30GeVprotons,enoughintensitycanbeobtainedespeciallyforpions!Nov.12,200750Shin'yaSawada@RCNPYieldEstimation(30GeV)30GeVYieldEstimation(50GeV)50GeVprotons+2%losscoppertarget.Productionangleof4degreeand(Dp/p)DW=0.2msr%.Momentum(GeV/c)ds/dpdW(mb/sr/GeV/c)YieldatSM1(per1014protons)Yieldat120m(per1014protons)p+537009.5E76.2E7p+109304.7E73.8E7p-537009.5E76.2E7p-107003.6E72.9E7K+54401.1E74.4E5K+101206.2E61.2E6K-52205.7E62.3E5K-10562.9E65.8E5pbar5531.4E61.4E6pbar10168.4E58.4E5Togetmoreintensityforhighermomentumbeams,extractionatmoreforwardanglescanbeconsidered.Nov.12,200751Shin'yaSawada@RCNPYieldEstimation(50GeV)50GeVBeamLineConfiguration&OpticsIIIPrimaryBeams:BeamlineconfigurationisalmostthesameasthecaseforthesecondarybeamsexceptforequipmentsatSM1.Inordertocutafraction(10to100ppm)oftheprimarybeam,abeamstealercanbeused.1014primaryprotons109-1010protonsFieldfreeholeNov.12,200752Shin'yaSawada@RCNPBeamLineConfiguration&OptiBeamLineConfiguration&OpticsIVInordertogetafew%oftheprimarybeam,anelectrostaticseptumwillbeused.