b-Quark Physics with the LEP Collider: The Development of Experimental Techniques for b-Quark Studies from Z^0-Decay

Gary John Barker

b-Quark Physics with the LEP Collider: The Development of Experimental Techniques for b-Quark Studies from Z^0-Decay
Format
Hardback
Publisher
Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Country
Germany
Published
29 May 2010
Pages
200
ISBN
9783642052781

b-Quark Physics with the LEP Collider: The Development of Experimental Techniques for b-Quark Studies from Z^0-Decay

Gary John Barker

This title is printed to order. This book may have been self-published. If so, we cannot guarantee the quality of the content. In the main most books will have gone through the editing process however some may not. We therefore suggest that you be aware of this before ordering this book. If in doubt check either the author or publisher’s details as we are unable to accept any returns unless they are faulty. Please contact us if you have any questions.

Theb-physicsresultsfromtheLEPdatasetsexceededallexpectationsinboththe range of topics covered and the precision of measurements that were eventually possible. Thesuccesswasduetoseveralfactorssuchastherapiddevelopmentof silicon-strip vertex detectors, advances in the theoretical description of b-hadrons and not least because of the inventiveness, skill and determination of the expe- mentersperformingthedataanalysis. Inordertoutilisefullytheprecisionofthe newvertexdetectors,carefulcommissioningandeventreconstructionwasneeded. Thistogetherwithnewmethodsandtechniquesofdataanalysis,particularlyinthe areaofinclusiveb-hadronreconstruction,werethekeytoawholehostofmeasu- mentsthatspannedtheentire?eldofb-physics. Theaimofthisbookisnottogiveanotherreviewofb-physicsresults. Instead the focus is on reviewing the main experimental methods that evolved (hardware andsoftware)andthelessonslearntfromsomebodywhowasinvolved?rst-handin theirdevelopmentanduse. Thehopeisthatthisworkwillbothstandasarecordof whatwasachievedwiththeLEPdata,andalsoasareferencesourceofb-physics analysisideasforexperimentersembarkingonprojectsinthefuturee. g. attheLHC oralinearcollider. ResultsfromallfouroftheLEPexperimentsarereportedbutsomebiastowards DELPHIisinevitable,especiallytoillustrategeneralpoints,sinceIamacolla- rationmemberandhaveeasieraccesstomaterial. Iwishtothankmyfriendsand colleaguesoftheDELPHIcollaborationformakingtheprojectsuchasuccess. InadditionIwishtogivespecialthanksto:Prof. Dr. MichaelFeindtwhowasthe instigatorofinclusiveanalysismethodsforb-physicswiththeLEPdata;Prof. Dr ThomasMullerforgivingmetheopportunityandencouragementtowritethisar- cle;Dr. RichardHawkings(OPAL)andDr. ChristianWeiser(DELPHI)forallowing meaccesstosomeunpublishedresultsandforusefuldiscussions. FinallyIwould liketothankthepeopleatSpringer,especiallyUteHeuserforherprofessionalh- dlingoftheprojectandpatiencewithmyregularfailuretomeetdeadlines. UniversityofWarwick,UK GaryJ. Barker September2009 vii Contents 1 b-physics at LEP …1 1. 1 Introduction …1 1. 2 TheLEPMachineandExperiments …3 1. 3 b-PhysicsOverview…4 1. 3. 1 b-QuarkProduction…7 b 1. 3. 2 Forward-BackwardAsymmetry A …7 FB 1. 3. 3 R …9 b 1. 3. 4 HeavyQuarkSymmetry…10 1. 3. 5 b-QuarkFragmentation…10 1. 3. 6 b-HadronSpectroscopy …12 1. 3. 7 b-HadronProductionFractions…13 1. 3. 8 Weakb-QuarkDecay…1 3 1. 4 Combiningb-PhysicsResults…18 1. 4. 1 AveragingofElectroweakHeavyFlavourQuantities…19 1. 4. 2 AveragingofNon-electroweakHeavyFlavourQuantities…20 References …20 2 Silicon Vertex Detectors and Particle Identi?cation …23 2. 1 Silicon-StripVertexDetectors …23 2. 2 ParticleIdenti?cation…29 2. 2. 1 Speci?cIonisationEnergyLoss,dE/dx …30 ? 2. 2. 2 CerenkovRingImaging …31 2. 2. 3 OverallDetectorPerformance …32 References …34 0 ~ 3 Experience in Reconstructing Z ? bb Events…37 3. 1 ImpactParameterandDecayLength …37 3. 1. 1 ClusterFinding …40 3. 1. 2 TrackFittingandPatternRecognition …41 3. 1. 3 VertexDetectorAlignment…43 3. 1. 4 SingleHitUncertainties…49 3. 1. 5 ResolutionTuning …

This item is not currently in-stock. It can be ordered online and is expected to ship in 7-14 days

Our stock data is updated periodically, and availability may change throughout the day for in-demand items. Please call the relevant shop for the most current stock information. Prices are subject to change without notice.

Sign in or become a Readings Member to add this title to a wishlist.