Searches(for(resonances(inthe(ttbar( Final(state(at(the .
lfofATLAS&CMSCKM16
Outline Introduction– Physics– Lowandhighmasstopologies– backgrounds ceCMS8TeVresonancesearchesATLAS&CMSsearchesat13TeV ProjectionsfortheHL- ‐LHC theLHCwithATLASandCMS,CKM162
useofitsyukawa coupling 1 Experimentssearchforresonancesontopofnon- ‐resonantstandardmodelbackgrounds– Analysisisagenericbump- itrary unitsPhysics ’) 1.0TeVm(Z’) 1.5TeV0.2 (Z’) 2.0TeVm(Z’) trary units– Techicolour Z’- ‐ spin- ‐1colour singlet– ExtradimensionmodelsKaluza- ‐Kleingluons– spin- ‐1colour octet– ExtradimensionsKaluza- ‐Kleingravitons– spin- ‐2colour singlets– HeavyHiggs– spin- ‐0scalarATLAS Simulation, s .0200ATLAS Simulation, s 8TeVBoostedm(gKK) 1.0TeVm(gKK) 1.6TeVm(gKK) 2.0TeVm(gKK) M163
Ataleoftwotopologies Twotopologies:highmassandlowmass Highmass: – eandaretreatedassinglelarge- ‐Rjets Lowmass:– Matchjetstot- ‐decayusingc 2- ‐function LeptonisolationisptdependentHandlingLarge- ‐R(fat)jetsIdentifyjetsusinganti- ‐kt algorithmRecluster usingkt orCambridge- substructurewithinjetstotagast- ‐jetsand/orrejectjetsnotassociatedwithatop– t y2- ‐subjetsor3- ‐subjets:avalueà 1indicatedtwosubjets,lowerindicates3jets– ation.– Pairwisejetmass– ttheLHCwithATLASandCMS,CKM164
Generalcommentsontheanalyses Searchforresonancesinnon- ‐resonantSMttbar- ‐massspectrum Backgrounds:–––––SMttbarW jetsSingletopZ jetsQCD Ingeneral,backgroundsaresimulatedusingMC decaychannelsofthetop QCDbackgrounddeterminedfromdata– Bothnormalisation andshapecanbedetermined W jets normalisation ttheLHCwithATLASandCMS,CKM165
Semi- ‐leptonic channelat8TeVJHEP1508(2015)148 Exactlyoneisolatedelectronormuonwithpt 25GeVETmiss 20GeVandETmiss MT,W 60GeV 1b- ‐taggedjet(anti- ‐kt R 0.4calorimeterjet)Anti- ‐kt R 0.4jetswth pt 25GeVand h 2.5Testevenagainstboostedselection,ifnotboostedà resolvedselection– Ifboostedandresolvedà theLHCwithATLASandCMS,CKM166
Semi- ‐leptonic channelat8TeVEvents / 10 GeV Forresolvedanalysis,assignjetstothet- ‐quarksusingc 2 function3000025000s 8 TeV, 20.3 fb-1ATLASDataSM ttSM W jetsOther SM20000e jets hboostedandresolved– Paron distributionfunctionandluminosity– ttbarbackgroundnormalization BoostedchannelEvents / 10 GeV Data/BG5000– JES&JMSoflarge- ‐Rjets– b- ‐taggingResolvedchannel– JESofsmall- ‐Rjets140160180200220240260280300Hadronic top mass [GeV]10.5100 120 140 160 180 200 220 240 260 280 300Hadronic top mass [GeV]3500030000s 8 TeV, 20.3 fb-1ATLASDataSM ttSM W jetsOther SM25000µ jets resolved2000015000100005000Data/BG 1.5100 1201.5100 1201401601801200220240260280300Semileptonic top mass [GeV]0.5100 120 140 160 180 200 220 240 260 280 300Semileptonic top mass eLHCwithATLASandCMS,CKM167
Semi- ‐leptonic channelat8TeV Reconstructttbarsystemmass– 3categories:b- ‐tagmatchedindR to:leptonic t,hardonic t,leptonic &hadronict inthettbarfinalstateattheLHCwithATLASandCMS,CKM168
Semi- ‐leptonic channelat8TeV Nodeviationsà setlimitsusingmodelsATLASObs. 95% CL upper limitExp. 95% CL upper limitExp. 1 σ uncertaintyExp. 2 σ uncertaintyLeptophobic Z’(1.2%) (LO x 1.3)Leptophobic Z’(2%) (LO x 1.3)Leptophobic Z’(3%) (LO x 1.3)-1s 8 TeV, 20.3 fb102KK10KK103σg BR(g tt) [pb]σZ’ BR(Z’ tt) [pb]– Z’TC2 andBulkRSKaluza- ‐Kleingluon1ATLAS310Obs. 95% CL upper limits 8 TeV, 20.3 fb-1Exp. 95% CL upper limitExp. 1 σ uncertaintyExp. 2 σ uncertainty102Kaluza-Klein gluon (LO)10110-110-110-20.511.522.5310-20.511.52.5gZ’ mass [TeV]Z’TC2 luded2KK3mass [TeV]KK- lstateattheLHCwithATLASandCMS,CKM169
erenceATLAS- ‐CONF- ‐2016- ‐073 ��𝑟𝑜𝑢𝑛𝑑(𝐵) nd on Newanalysisreinterpretsintermsof2HDMtype- ‐IIH/A- ‐ ttbar Probemassrange400 M 800GeVandlowtanb – barfinalstateattheLHCwithATLASandCMS,CKM1610
Effectofinterference ModifyMadgraph5 .generatesignal interference only 10320SATLAS Simulation Preliminarys 8 TeV, Ldt 20.3 fb-1S I15before det. sim. and event sel.mA 500 GeV, tanβ 0.4010Events / 10 GeVEvents / 10 GeV– KeepgooddescriptionofbackgroundatNLO(Powheg Pythia)– Efficientgeneration– CrosscheckwithfullS I BgenerationS100ATLAS Simulation Preliminarys 8 TeV, Ldt 20.3 fb-1S I80before det. sim. and event sel.mA 500 GeV, tanβ 9.0060402050 200 403004005006007008009001000300400500600mtt [GeV]7008009001000mtt hettbarfinalstateattheLHCwithATLASandCMS,CKM1611
Effectofinterference S Iforeandµ channelsafterreconstructionandeventselection arton level. 103e jets1.5ATLAS Simulation Preliminaryµ jetss 8 TeV, Ldt 20.3 fb-1S I1after det. sim. and event sel.mA 500 GeV, tanβ 0.40Events / 40 GeVEvents / 40 GeV– 0ATLAS Simulation Preliminary 0.5s 8 TeV, Ldt 20.3 fb-1 1S I 1.5after det. sim. and event sel.mA 500 GeV, tanβ 9.00 20.5 2.5 30e jets 3.5 0.5020040060080010001200mrecott0µ recott[GeV]12
Interference Addsignal interference toPowheg Pythia ttbarSMbackground NodeviationfromSMobserved barfinalstateattheLHCwithATLASandCMS,CKM1613
Scalarlimits Limitsaresetparameterising S IandSasfunctionof 𝜇– 𝜇𝑆 𝜇𝐼 𝐵 𝜇(𝑆 𝐼) 𝜇 𝜇 𝑆 𝐵– (µ 1for2HDMtypeII)MH/A 500GeVExcludedregionforpseudoscalar:tanb 0.85Forscalartanb LHCwithATLASandCMS,CKM16Nolimitontanb forMH/A 750GeV14
Di- ‐leptonic analysisat8TeVNoisolationee:pt 85GeV&20GeV h 2.5eµ:ptm 45GeV h 2.1&pte 20GeV h 2.5µµ:pt 45GeV h 2.1&20GeV h 2.4 2Anti- ‐kt R 0.5(AK5)jets Leptonisolation– D R(l,jet) 0.5orD ptrel(l,jet) 15GeV– D R(lleading,jet) 1.2andD R(lsubleading,jet) 1.5 ET- ‐miss 30GeVEvents / 100 GeV––––DatattOthersZ’ 2.0 TeV, 1% widthCMS31010211.510.50100020003000Mtt [GeV]– VetoZ jet &multi- ‐jetbackgrounds19.7 fb-1 (8 TeV)ee103DatattOthersZ’ 2.0 TeV, 1% widthCMS10210 ApproximateMttbar reconstructed1Data / Bkg– AssignET- ‐misstototalET- ‐missofneutrinos– pz ofneutrino 019.7 fb-1 (8 TeV)10Data / Bkg 2oppositechargedleptonsEvents / 100 CMS,CKM16100020003000Mtt [GeV]15
19.7 fb-1 (8 TeV)– Avoidoverlapwithdilepton channel– ptµ 45GeV h 2.1orpte 35GeV h 2.51.510.50 2jets100020003000 Leptonisolation ET- ‐miss 50GeV– D R(l,jet) 0.5orD ptrel(l,jet) 25GeV– Multi- ‐jetbackgroundsMttbar reconstructed– Minimise c 2(Mtl,Mth,MW,pttt)toselectandassigncorrectjets– IfeventhasasingleCA8t- S,CKM16Events / 100 GeVDatattOthersZ’ 2.0 TeV, 1% widthCMS1041031021011.510.50100020003000Mtt [GeV]19.7 fb-1 (8 TeV)e jets; 0 t tag, 0 b nflavour– 1CA8t- ‐taggedjet– 0 CA8t- ‐taggedjet,1b- ‐taggedjet– 0 CA8t- ‐taggedjet,0b- ‐taggedjets19.7 fb-1 (8 TeV)e jets; 0 t tag, 1 b tagData / Bkg–– AK5andCambridge- ‐AachenjetswithR 0.8(CA8)forboostedtop- ‐quarkdecays– Eventswith 2CAR 0.8jetsarerejectedtopreventoverlapwithall- ‐hadronicanalysis 102Mtt [GeV]ptleading 150GeVandptsubleading 50GeV CMS101Events / 100 GeV Exactly1electronormuon104DatattOthersZ’ 2.0 TeV, 1% widthCMS103102101Data / Bkg DatattOthersZ’ 2.0 TeV, 1% width10Data / BkgSemi- ‐leptonic at8TeVEvents / 100 GeVe jets; 1 t tag31.510.5010002000163000Mtt [GeV]
All- ‐hadronicat8TeV Determineifhighmass,ifnottreataslowmassevent Highmass– 2CA8jetst- ‐taggedpt 400GeV, h 2.4,D f 2.1– Considertworegions:D y 1.0andD y 1.0(dominatedbymulti- ‐jets) Lowmass– 2CA15jetst- ‐taggedpt 200GeV– SplitinHT S pT 800GeVandHT 800GeV Multi- ‐jetbackgroundcalculatedfromdata Categorised accordingtonumberofb- ‐taggedsub- theLHCwithATLASandCMS,CKM1617
19.7 fb-1 (8 TeV)Datattnon-top multijetZ’ 2.0 TeV, 1% widthCMS10210 y 1.0; 1 b tag (high-mass)Events / 100 GeVEvents / 100 GeV y 1.0; 2 b tag (high-mass)10319.7 fb-1 (8 TeV)Datattnon-top multijetZ’ 2.0 TeV, 1% widthCMS10210Events / 100 GeVAll- ‐hadronicat8TeVHT 800 GeV; 2 b tag (low-mass)Datattnon-top multijetZ’ 1.0 TeV, 1% widthCMS10418.3 fb-1 (8 TeV)103102101110.50100020003000Data / Bkg1.51.510.501000Mtt [GeV]Events / 100 GeV y 1.0; 0 b tag (high-mass)1.510.501000200030000.50100020003000Mtt [GeV]HT 800 GeV; 2 b tag (low-mass)19.7 fb-1 (8 TeV)Datattnon-top multijetZ’ 1.0 TeV, 1% widthCMS310102101Data / BkgData / lobserved11Mtt [GeV]102101.5300019.7 fb-1 (8 TeV)Datattnon-top multijetZ’ 2.0 TeV, 1% widthCMS1032000Events / 100 GeVData / BkgData / Bkg11.510.5010002000Mtt eLHCwithATLASandCMS,CKM163000Mtt [GeV]Lowmass18
Resultsat8TeV19.7 fb-1 (8 TeV)CMS10DileptonLepton jets (threshold)95% CL expectedZ' 1% widthLepton jetsAll-hadronic (low-mass)All-hadronic (high-mass)10110 110 210 3CombinationCMS210KK210 tt) [pb]CombinationKKUpper limit on σZ' B(Z' tt) [pb]1019.7 fb-1 (8 TeV)3Upper limit on σg B(g3DileptonLepton jets (threshold)95% CL expectedKK gluonLepton jetsAll-hadronic (low-mass)All-hadronic (high-mass)10110 110 20.511.522.5310 30.511.52MZ' [TeV]2.53Mg [TeV]KK95%CLupperlimitsoncross- andCMS,CKM1619
CombinedResultsat8TeV19.7 fb-1 (8 TeV)Expected (95% CL)CMSObserved (95% CL)102Topcolor Z' 1.2% width 2σ Expected10 110 210 3102KK1Expected (95% CL)Observed (95% CL)KK gluon 1σ Expected 2σ ExpectedCMSKK 1σ Expected1010 tt) [pb]Upper limit on σZ' B(Z' tt) [pb]1019.7 fb-1 (8 TeV)3Upper limit on σg B(g310110 110 20.511.522.5310 30.511.5MZ' [TeV]22.53Mg [TeV]KK-119.7 fb (8 TeV)Upper limit on σZ' B(Z' tt) [pb]103Expected (95% CL)CMSObserved (95% CL)102Topcolor Z' 10% width 1σ Expected 2σ Expected10110 110 210 30.511.522.53MZ' eLHCwithATLASandCMS,CKM1620
CMSafterlongshutdowns– 2016luminosities:ATLAS:36fb- ‐1CMS:32.87fb- ‐1 (preliminary) lesTotal Integrated Luminosity fb-1Run- ‐2at13TeV5ATLAS Preliminarys 13 TeVLHC DeliveredATLAS RecordedAll Good for Physics4Total Delivered: 4.2 fb-13Total Recorded: 3.9 fb-1All Good for Physics: 3.2 fb-1210– 10increasefor 3TeVmassobject1/61/71/81/91/101/11Day in 2015TRtDO IntHJUDtHd LumLnRsLty (fb 1 )C0S ,ntegrated LumLnoVLty, SS, 2015,4.5s 13 TeVDDtD LncOuded fUom 2015-06-03 08:41 to 2015-11-03 06:25 8TC4.5LHC DHOLvHUHd: 4.22 fb 14.04.0 1C0S 5HcRUdHd: 3.81 fb3.53.03.52ffOLne 1AuJ1SHS12ct1DDtH eLHCwithATLASandCMS,CKM16211Rv0.0
Semi- ‐leptonic channelat13TeVATLAS- ‐CONF- ‐2016- ‐014 Focusonhighlyboostedtopquarkswith3.2fb- ‐1 at13TeV(2015data) Similaranalysisto8TeV104103Events / 500 GeVATLASPreliminarys 13 TeV, 3.2 fb-1e jetsPost-FitDatattW jetssingle topZ jetsmulti-jetdibosonBkg. uncertainty102ATLASPreliminarys 13 TeV, 3.2 fb-1µ jetsPost-Fit104103101.511.5110.505001000 1500 2000 2500 3000 3500 4000 4500mrecottDatattW jetssingle topZ jetsmulti-jetdibosonBkg. uncertainty10210Data / Bkg.Data / Bkg.Events / 500 GeV– Improvedb- ‐tagging– UseAnti- ‐kt R 5001000 1500 2000 2500 3000 3500 4000 attheLHCwithATLASandCMS,CKM16mreco[GeV]tt22
σZ' BR(Z' tt) [pb]Semi- ‐leptonic channelat13TeV103 ATLAS Preliminarys 13 TeV, 3.2 fbObserved 95% CL limit-1Expected 95% CL limit102Exp. 1 σ uncertaintyExp. 2 σ uncertaintyZ'TC2 (Γ/m 1.2%) (LO 1.3)10Z'TC2 (Γ/m 3%) (LO 1.3)110 110 200.511.522.533.5 4 4.5 5Z' mass [TeV] NosignificantdeviationsfromSMfound UseZ’TC2 tosetlimits– G /MZ’ 1.2%:0.7TeV M 2.1TeVexpected(0.7TeV M 2.0TeVobserved)– G /MZ’ 3%:0.7TeV M 2.5TeVexpected(0.7TeV M lstateattheLHCwithATLASandCMS,CKM1623
Expected (95% CL)Observed (95% CL)Z' 1% width (NLO) 1σ Expected 2σ Expected10110 110 210 30.511.522.533.54MZ' [TeV]3102.6 fb-1 (13 TeV)CMS PreliminaryExpected (95% CL)Observed (95% CL)KK gluon (LO 1.3) 1σ Expected 2σ Expected102KKUpper limit on σg B(gKK 2.6fb- ‐1 (2015data) HighlyboostedanalysistofocusonhighMtt NosignificantdeviationfromSMisfoundUpper limit on σZ' B(Z' tt) [pb]CMS- ‐PAS- ‐B2G- ‐15- ‐0022.6 fb-1 (13 TeV)CMS Preliminary102 tt) [pb]Semi- ‐leptonic channelat13TeV10310110 110 210 30.511.522.533.54Mg theLHCwithATLASandCMS,CKM1624
All- ‐hadronicchannelat13TeVCMS- ‐PAS- ‐B2G- ‐15- ‐003 All- ‐hadronicfinalstate Identifytwolarge- ‐Rjets(Anti- ‐ktR 0.8)astopcandidates Tagt- ‐quarkjetsusing Eventcategories:– 0,1,2- ‐b- ‐tags– D n(j1,j2) 0.1andD n (j1,j2) HCwithATLASandCMS,CKM1625
CMS13TeV:all- ‐hadronic NosignificantdeviationsfromSMfound SetlimitsforZ’TC2 andKK- ‐gluon2.6 fb-1 (13 MSPreliminary 1 σ Exp. 2 σ Exp.103RS Gluon (LO 1.3)10210110-110-210-210-3KK104ObservedExpected 1 σ Exp. 2 σ Exp.Z' 1% Width (NLO)Z' 1.2% Width (NLO)CMS5KK1095% CL Limit on σg B(g tt) [pb]95% CL Limit on σZ' B(Z' tt) [pb]2.6 fb-1 (13 500Signal ModelZ’ (1% Width)Z’ (10% Width)Z’ (30% Width)RS Gluon300035004000Mg [GeV]MZ' [GeV]KKExclusion Ranges (TeV)ExpectedObserved1.2 – 1.61.4 – 1.61.0 – 3.11.0 – 3.31.0 – 3.71.0 – 3.81.0 – 2.51 – HCwithATLASandCMS,CKM1626
HL- ‐LHCprojections Performanceextrapolationsfor3000fb- ‐1 atHL- ‐LHC Extrapolatewithcurrentsystematics Extrapolatewithnosystematics Projectsemi- ‐leptonic Limitsextendedto3TeVforZ’and3.5TevforKK- ttheLHCwithATLASandCMS,CKM1627
HL- ‐LHCprojections Performanceextrapolationsfor3000fb- ‐1 atHL- ‐LHC ics(mostoptimisticresults) Projectallhadronic Limitsextendedto3TeVforZ’and3.5TevforKK- ttheLHCwithATLASandCMS,CKM1628
Summaryofresultsat8and13TeVMasslimit(95% CLupperlimitons xBr)13TeVATLAS3.2fb- ‐1 semi- ‐leptonicZ’1.2%width 0.7 M 2.0TeVCMS2.6fb- ‐1all- ‐hadronicZ’1% width1.2 M 1.6 TeVRSKK- ‐gluon1.0 M 2.5 TeV(17pb@1TeV– 0.25pb@4TeV)Z’1% width0.6 M 2.1 TeVRSKK- ‐gluon0.5 M 2.9 TeV73.4pb@0.5TeV– 0.22pb@4TeV)CM2.6fb- ‐1 semi- ‐leptonic8TeVATLAS20.3fb- ‐1 semi- ‐lpetonic Z’1.2%width M 2.0TeVCMS19.7fb- ‐1 (Combined)RS KK- ‐gluonM 2.3TeV(4.8pb @0.4TeV– 0.09pb @3TeVZ’1% widthM 2.4TeVRSKK- ‐gluonM 2.7 TeV(17pb@0.7TeV– 0.059pb@3TeV)CMSresultat8TeV,combinationofdi- ‐leptonic,semi- ‐leptonic,all- finalstateattheLHCwithATLASandCMS,CKM1629
Summary TLAS&CMS– arevents Searchforresonancesonnon- fromtheStandardModel Limitsaresetusingspecificphysicsmodels:upto 2TeVforZ’(colour singlets)and 2.7TeVforRSKK- ‐gluons(colour octet) 13TeVlimitsusing2015dataonly, 3fb- ‐1,agreewithcurrent8TeVlimits– Expectfull13TeVdatasetwith 20fb- ‐1,tosignificantlyextendmasslimits WatchthisspacefornewresultsfromLHCrun2 InthefutureHL- M1630
heLHCwithATLASandCMS,CKM1631
ReferencesATLAS- ‐CONF- ‐2016- ‐014 ATLAS8- ‐TeVanalysis:JHEP1508(2015)148 ATLAS8- ‐TeVH/Are- ‐interpretation:ATLAS- ‐CONF- ‐2016- ‐073 CMS8- ‐TeVanalysis:Phys.Rev.D93(2016)012001 ATLAS13- ‐TeVanalysis:ATLAS- ‐CONF- ‐2016- ‐014 CMS13- ‐TeVanalysis:CMS- ‐PAS- ‐B2G- ‐15- ‐002;CMS- ‐PAS- ‐B2G- ‐15- heLHCwithATLASandCMS,CKM1632
ATLAS8TeVsystematicsontheyieldSystematic UncertaintiesLuminosityPDFISR/FSRParton shower and fragmentationtt̄ normalisationtt̄ EW virtual correctiontt̄ generatortt̄ top quark massW jets generatorMulti-jet normalisation, e jetsMulti-jet normalisation, µ jetsJES JMS, large-radius jetsJER JMR, large-radius jetsJES, small-radius jetsJER, small-radius jetsJet vertex fractionb-tagging b-jet efficiencyb-tagging c-jet efficiencyb-tagging light-jet efficiencyElectron efficiencyMuon efficiencyMC statistical uncertaintyAll systematic uncertaintiesResolved selectionyield impact [%]total bkg.Z02.52.43.74.85.30.20.30.60.30.50.10.1 0.15.61.80.81.10.1 0.10.30.90.410.82.83.6Boosted selectionyield impact [%]total bkg.Z02.10.32.61.40.82.00.7 0.10.61.06.02.64.71.21.55.50.52.61.40.10.2 0.19.71.00.4 0.10.22.90.10.50.61.01.32.82.32.80.21.40.2 M1633
e jets µ jets ATLAS Simulation Preliminary s 8 TeV, Ldt 20.3 fb-1 S I after det. sim. and event sel. 500 GeV, tanβ 9.00 A m Searches(for(resonances(in(the(ttbar(final(stat
Bruksanvisning för bilstereo . Bruksanvisning for bilstereo . Instrukcja obsługi samochodowego odtwarzacza stereo . Operating Instructions for Car Stereo . 610-104 . SV . Bruksanvisning i original
10 tips och tricks för att lyckas med ert sap-projekt 20 SAPSANYTT 2/2015 De flesta projektledare känner säkert till Cobb’s paradox. Martin Cobb verkade som CIO för sekretariatet för Treasury Board of Canada 1995 då han ställde frågan
service i Norge och Finland drivs inom ramen för ett enskilt företag (NRK. 1 och Yleisradio), fin ns det i Sverige tre: Ett för tv (Sveriges Television , SVT ), ett för radio (Sveriges Radio , SR ) och ett för utbildnings program (Sveriges Utbildningsradio, UR, vilket till följd av sin begränsade storlek inte återfinns bland de 25 största
Hotell För hotell anges de tre klasserna A/B, C och D. Det betyder att den "normala" standarden C är acceptabel men att motiven för en högre standard är starka. Ljudklass C motsvarar de tidigare normkraven för hotell, ljudklass A/B motsvarar kraven för moderna hotell med hög standard och ljudklass D kan användas vid
LÄS NOGGRANT FÖLJANDE VILLKOR FÖR APPLE DEVELOPER PROGRAM LICENCE . Apple Developer Program License Agreement Syfte Du vill använda Apple-mjukvara (enligt definitionen nedan) för att utveckla en eller flera Applikationer (enligt definitionen nedan) för Apple-märkta produkter. . Applikationer som utvecklas för iOS-produkter, Apple .
“los angeles”, simply type this into the search field and hit the enter key or click on the “Search!” button. Searches should be lowercase. 2.2 Phonetic Searches Phonetic searches come in two kinds: dictionary and transcribed. Dictionary searches query the corpus based the
At Google I/O in 2016, when the company unveiled its new Google Home device, they announced that over 20 percent of searches have voice intent.1 And, the number of voice searches is increasing every day. According to ComScore, 40 percent of adults use voice search once per day.2 And, by 2020, 50 percent of all searches will be voice searches.3
There are also four possible examples of themes which could be followed. Each has a set of readings with an introduction to them. This could either act as a prompt to whoever is preaching, or could be read when there is no preacher present, as sometimes happens in our rural groups of churches where each church holds its own service. There is a linked prayer and suggestions for the music .
