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pla 1 ڀݚ ˙հ LHC ATLAS ݧRun2 ͷཧՌ ژେૉڀݚࡍࠃηϯλʔ [email protected] 2016 (28 )2 8 1 Ίʹ 2 ͷγϟοτμϯΛܦɼ2015 ΑΓΑΑ ܥΤωϧΪʔ 13 TeV Ͱͷཅɾཅিಥݧ LHC Ͱ։Εɻॳͷ༧ఆԼճͷͷɼऴతʹ 4.0 fb 1 ͷϧϛϊγςΟΛ ATLAS ݧͰ ɼͷɼཧղੳʹ 3.2 fb 1 ఔ༻ ՄͰɼॳͷཧՌΛग़ʹͳ౷ܭಘΒ ΕɻຊߘͰɼͰಘΒΕओͳཧՌʹ հΔɻͳɼRun2 ͷՌͷதͰɼࡏݱҰ ΛΊΔڞࢠ໐ঢ়ଶͷ୳ʹࡧɼ ࢯࢣʹΑΔผͷهʹৡΔɻ Θ Run2 Ͱ৽ཧͷݟΛɼಛʹ ରশΛઐʹߦΓɼͷՌΛॳʹ ड़Δɻʹɼॏ৺ܥΤωϧΪʔେͳͱʹ ΑΓɼײΔͷ΄ͷ৽ཧ୳ʹࡧΔɻ·ɼ৽ཧ୳ΛߦͰඪ४ܕͷཧղෆ ՄͰΓɼATLAS ຊάϧʔϓʑͳղੳʹ ݙߩΔɻͷՌʹଓհΔɻ 2 ରশରশΛΊɼඪ४ܕΛΔཧͰ ݴΕΔ৽ʹࡧɼॏ৺ܥΤωϧΪʔ ͳΒͷॳͷظΤΩαΠςΟϯά ͰΖɻਤ 1 ʹɼॏ৺ܥΤωϧΪʔ 13 TeV ͱ 8 TeV Ͱͷ৽ͷੜஅ໘ͷൺΛɼॏʹࢠͳΔ ΄Ͳ 13 TeV ʹͳΔͱʹΑΔେɼ·ɼ άϧʵΦϯɾάϧʵΦϯͷ PDFʢParton Distribution FunctionʣΒੜΕΔͷ΄ͲɼେͱΘ ΔɻͷΊɼڧ࡞ޓ༻ΒੜΕΔॏ ΄ࢠͲɼগͳ౷ܭͰ 8 TeV ͷײΛΔͱՄʹ ͳΔɻରশʹࡧάϧʵΦϯͷରশ ύʔτφʔͰΔάϧʔΠʔϊͷ୳·ॏతʹ ߦΘΕɻ Run2 ॳͷղੳՌΛૉग़ΔΑ୯७Խ ղੳओͰΔɻΕͰɼ୯ʹॏ৺ܥΤωϧΪʔ ʹཔΒ Run1 ΛΔײΛಘΔΊɼΕΕͷ ղੳͰվળΛਤΔɻ 100 1000 1 10 100 gg Σqq qg WJS2013 ratios of LHC parton luminosities: 13 TeV / 8 TeV luminosity ratio M X (GeV) MSTW2008NLO _ 1: ܥΤωϧΪʔ 13 TeV ͱ 8 TeV ͰͷʹରΔύʔτϯϧϛϊγςΟͷൺ [1]ɻ 2.1 άϧʔΠʔϊ୳άϧʔΠʔϊ୳Ͱ༗ͳݟνϟϯωϧͷҰɼά ϧʔΠʔϊରΕΕχϡʔτϥϦʔϊΑͼΫΥʔ ΫରʹյΔաఔʢਤ 2ʣΛओͳλʔήοτͱ ɼ0 ϨϓτϯʴϚϧνδΣοτʴߴফӡಈͷऴঢ় ଶΛ༻୳ͰΔɻ 2: άϧʔΠʔϊରΒͷχϡʔτϥϦʔϊΑͼ ΫΥʔΫରͷյաఔɻ 267

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  • 8

    4

    2016 LHC 13 TeV

    2748 β∗ 40 cm

    2015

    scrubbing

    2016

    1× 1034 cm−2s−1

    25 fb−1

    2016

    ATLAS TileCal

    L1

    (”L1Topo”)

    LHC ATLAS ATLAS

    [19] [20]

    [21]

    [1] 33 245 (2015)

    [2] 28 270 (2010)

    [3] 27 163

    (2010)

    [4] http://lhc-commissioning.web.cern.ch

    [5] ”Start of run2 physics at the

    Large Hadron Collider (LHC)”,

    https://cds.cern.ch/record/2020852

    [6] https://twiki.cern.ch/twiki/bin/view/AtlasPublic/

    LuminosityPublicResultsRun2

    [7] T. Baer it et al., ”Very Fast Losses of the Circu-

    lating LHC Beam, their Mitigation and Machine

    Protection”, CERN-THESIS-2013-233

    [8] D. Mirarchi et al., LHC aperture and ULO

    restrictions: are they a possible limitation in

    2016? , 6th Evian Workshop, Evian, December

    2015 (2015).

    [9] G. Iadarola et al., Electron Cloud E ects ,

    These Pro- ceedings, LHC Performance Work-

    shop, Chamonix, France (2016).

    [10] D. Jacquet et al., Injection , 6th Evian Work-

    shop, Evian, France (2015).

    [11] G. Aad et al., ”The ATLAS Experiment at the

    CERN Large Hadron Collider.”, J. Instrum., 3,

    437 (2008)

    [12] https://twiki.cern.ch/twiki/bin/view/AtlasPublic/EventDisplayRun2Physics

    [13] 33

    61 (2014)

    [14] ”Study of the mechanical stability of the AT-

    LAS Insertable B-Layer”, ATL-INDET-PUB-

    2015-001

    [15] ATL-PHYS-PUB-2015-018

    [16] 26 304 (2008)

    [17] https://twiki.cern.ch/twiki/bin/view/AtlasPublic/

    L1MuonTriggerPublicResults

    [18] https://twiki.cern.ch/twiki/bin/view/AtlasPublic/

    L1CaloTriggerPublicResults

    [19] http://atlas.kek.jp,

    https://sites.google.com/site/lhcpr2011

    [20] http://d.hatena.ne.jp/lhcatlasjapan

    [21] https://twitter.com/lhcatlasjapan

    1

    LHC ATLAS Run2

    [email protected]

    2016 ( 28 ) 2 8

    1

    2 2015

    13 TeV

    LHC

    4.0 fb−1 ATLAS

    3.2 fb−1

    Run2

    Run2

    ATLAS

    2

    1 13 TeV 8 TeV

    13 TeV

    PDF Parton Distribution

    Function

    8 TeV

    Run2

    Run1

    100 10001

    10

    100

    gg Σqq qg

    WJS2013

    ratios of LHC parton luminosities: 13 TeV / 8 TeV

    lum

    ino

    sity

    ra

    tio

    MX (GeV)

    MSTW2008NLO

    _

    1: 13 TeV 8 TeV

    [1]

    2.1

    2

    0

    2:

    8

    4

    2016 LHC 13 TeV

    2748 β∗ 40 cm

    2015

    scrubbing

    2016

    1× 1034 cm−2s−1

    25 fb−1

    2016

    ATLAS TileCal

    L1

    (”L1Topo”)

    LHC ATLAS ATLAS

    [19] [20]

    [21]

    [1] 33 245 (2015)

    [2] 28 270 (2010)

    [3] 27 163

    (2010)

    [4] http://lhc-commissioning.web.cern.ch

    [5] ”Start of run2 physics at the

    Large Hadron Collider (LHC)”,

    https://cds.cern.ch/record/2020852

    [6] https://twiki.cern.ch/twiki/bin/view/AtlasPublic/

    LuminosityPublicResultsRun2

    [7] T. Baer it et al., ”Very Fast Losses of the Circu-

    lating LHC Beam, their Mitigation and Machine

    Protection”, CERN-THESIS-2013-233

    [8] D. Mirarchi et al., LHC aperture and ULO

    restrictions: are they a possible limitation in

    2016? , 6th Evian Workshop, Evian, December

    2015 (2015).

    [9] G. Iadarola et al., Electron Cloud E ects ,

    These Pro- ceedings, LHC Performance Work-

    shop, Chamonix, France (2016).

    [10] D. Jacquet et al., Injection , 6th Evian Work-

    shop, Evian, France (2015).

    [11] G. Aad et al., ”The ATLAS Experiment at the

    CERN Large Hadron Collider.”, J. Instrum., 3,

    437 (2008)

    [12] https://twiki.cern.ch/twiki/bin/view/AtlasPublic/EventDisplayRun2Physics

    [13] 33

    61 (2014)

    [14] ”Study of the mechanical stability of the AT-

    LAS Insertable B-Layer”, ATL-INDET-PUB-

    2015-001

    [15] ATL-PHYS-PUB-2015-018

    [16] 26 304 (2008)

    [17] https://twiki.cern.ch/twiki/bin/view/AtlasPublic/

    L1MuonTriggerPublicResults

    [18] https://twiki.cern.ch/twiki/bin/view/AtlasPublic/

    L1CaloTriggerPublicResults

    [19] http://atlas.kek.jp,

    https://sites.google.com/site/lhcpr2011

    [20] http://d.hatena.ne.jp/lhcatlasjapan

    [21] https://twitter.com/lhcatlasjapan

    267

  • 2

    EmissT >

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    100 GeV 4

    meff = EmissT +∑

    pjetT

    [2] Run1

    3 4

    meff meff > 2200 GeV

    4 Run1

    meff = 2 TeV

    (incl.) [GeV]effm

    1000 1500 2000 2500 3000 3500

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    100

    GeV

    1

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    210 PreliminaryATLAS

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    pjetT

    [2] Run1

    3 4

    meff meff > 2200 GeV

    4 Run1

    meff = 2 TeV

    (incl.) [GeV]effm

    1000 1500 2000 2500 3000 3500

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    ts /

    100

    GeV

    1

    10

    210 PreliminaryATLAS

    -1=13 TeV, 3.2 fbs

    SR4jtData 2015SM TotalDibosonZ+jets

    (+EW) & single topttW+jetsMulti−jet

    direct,g~g~

    )=(1400, 0)01

    χ∼

    , g~m(

    (incl.) [GeV]effm1000 1500 2000 2500 3000 3500

    Dat

    a / M

    C

    0

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    meff [3]

    [GeV]g~m200 400 600 800 1000 1200 1400 1600 1800 2000

    [GeV

    ]0 1χ∼

    m

    0

    200

    400

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    1000

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    1400

    10χ∼

    < m

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    0

    1χ∼0

    1χ∼ qqqq→ g~-g~

    ATLAS Preliminary

    -1 = 13 TeV, 3.2 fbs

    missT

    0-lepton + 2-6 jets + E

    All limits at 95% CL

    )SUSYtheoryσ1±Observed limit (

    )expσ1±Expected limit (-1ATLAS 8 TeV, 20.3 fb

    4:

    [3]

    2.2 Z

    Run1 ATLAS 3.0σ

    (ee 1.7σ (µµ

    Z 2

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    [4] CMS

    Run1

    5 Run2

    Run2 Run1

    6

    2 (mℓℓ)

    mℓℓ Z

    81 GeV< mℓℓ

  • 4

    2 [13]

    [14] Run2

    2

    2

    Eve

    nts

    1

    10

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    |y*| < 0.6Fit Range: 1.1 - 7.1 TeV

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    thQBH (BM), m

    9: 2 [15]

    χ1 2 3 4 5 6 10 20

    χ1 2 3 4 5 6 10 20 30

    0.02

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    0.06 < 3.1 TeV

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    0.02

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    0.06 < 2.8 TeV

    jj2.5 < m

    0.02

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    0.02

    0.04

    0.06 < 3.4 TeV

    jj3.1 < m

    0.02

    0.04

    0.06 < 5.4 TeV

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    0.06 < 4.6 TeV

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    χ1/N

    dN

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    0.06

    0.08 > 5.4 TeVjjmData SM

    = 12 TeVΛ = +1, LL

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    = 17 TeVΛ = -1, LL

    ηCI,

    = 8.0 TeVthMQBH (QBH),

    Theoretical uncertainties

    Total uncertainties

    ATLAS-1 = 13 TeV, 3.6 fbs

    10: 2 χ mjj

    [15]

    4

    4.1

    Run1

    Run1

    125 GeV

    8 TeV 2

    11 H→ γγZZ

    [TeV]s7 8 9 10 11 12 13

    [pb]

    H→

    ppσ

    10−

    0

    10

    20

    30

    40

    50

    60

    70

    80

    90ATLAS Preliminary = 125.09 GeVHmH→ppσ

    QCD scale uncertainty)sα PDF+⊕(scaleTot. uncert.

    γγ→H l4→*ZZ→Hcomb. data syst. unc.

    -1 = 7 TeV, 4.5 fbs-1 = 8 TeV, 20.3 fbs

    -1 = 13 TeV, 3.2 fbs

    11: [16] H→γγ H→ZZ x

    Run1 H→bb

    ttH Run2

    100 fb−1

    4.2

    2

    Run2

    H/A→ ττ

    270

  • 5

    Run2 2

    τhadτhad

    τlepτhad

    τhadτhad

    mtotT =√m2T(E

    missT , τ1) +m

    2T(E

    missT , τ2) +m

    2T(τ1, τ2)

    12 τhadτhad mtotT

    13 mtotTbinned likelihood fit

    Run1

    Eve

    nts

    / G

    eV

    3−10

    2−10

    1−10

    1

    10

    210 Dataττ →H/A

    = 25β = 500 GeV, tanAmMulitjet

    ττ→Zντ→W

    , single topttOthersUncertaintyPre-fit background

    ATLAS Preliminary

    -1 = 13 TeV, 3.2 fbs

    hadτ

    hadτ →H/A

    [GeV]totTm

    200 300 400 500 600 700 800 900 1000Data

    /Pre

    d

    0

    12

    12: τhadτhad mtotT [17]

    [GeV]Am200 300 400 500 600 700 800 900 1000 1100 1200

    βta

    n

    10

    20

    30

    40

    50

    60

    70

    80

    = 3

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    eVH

    m

    = 8

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    ATLAS Run-I (Obs.)ATLAS Run-I, SM Higgsboson couplings (Obs.)

    /////////

    -1=13 TeV, 3.2 fbsPreliminary,ATLAShMSSM scenario

    , 95% CL limitsττ→H/A

    13: H/A→ ττ hMSSM[17]

    5

    5.1

    Run2 eµ [18]

    ee/µµ e/µ [19]

    825± 50(stat)± 56(syst)± 83(lumi) pb 14%14 CMS

    172.5 GeV

    [pb]tt

    σ400 600 800 1000 1200

    ATLAS+CMS Preliminary = 13 TeVs summary, tt

    σWGtopLHC Nov 2015

    NNLO+NNLL PRL 110 (2013) 252004, PDF4LHC = 172.5 GeVtopm

    scale uncertainty uncertaintySα⊕ PDF ⊕scale

    total stat

    (lumi)±(syst)±(stat)±tt

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    * Preliminary

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    83 pb± 56 ± 50 ±829

    *µµATLAS, dilepton ee/ATLAS-CONF-2015-049 -1=85 pbintL

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    92 pb± 55 ± 60 ±769

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    100 pb± 84 ± 27 ±836

    14: 13 TeV

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    172.5 GeV [20]

    271

  • 6

    QCD

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    ( 15)

    Number of additional jets

    0 1 2 3 4

    jet

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    σ1

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    /Dat

    a

    0.60.8

    11.21.4 Stat.

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    15: eµ

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    [21]

    5.2

    Run2

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    ATLAS Pythia8 A2√s = 7 TeV

    16

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    = 0

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    PreliminaryATLASDataPYTHIA8 A2PYTHIA8 MonashHERWIG++ UE-EE5EPOS LHCQGSJET II-04

    16:

    [22]

    W Z QCD

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    ATLAS Run2

    Run1

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  • 6

    QCD

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    ( 15)

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    [pb]Zfidσ

    500 550 600 650 700 750 800 850

    ATLAS Preliminary-113 TeV, 85 pb

    (inner uncert.: PDF only)

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    (inner uncert.: PDF only)

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    17: W± Z PDF

    [23]

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    18: W± Z PDF

    [23]

    [1] http://www.hep.ph.ic.ac.uk/~wstirlin/

    plots/plots.html.

    [2] ATLAS, Eur. Phys. J. C 72 (2012) 2211.

    [3] ATLAS, ATLAS-CONF-2015-062 (2015).

    [4] ATLAS, Eur. Phys. J. C 75 (2015) 318.

    [5] CMS, CMS-PAS-SUS-15-011 (2015).

    [6] ATLAS, ATLAS-CONF-2015-082 (2015).

    [7] ATLAS, ATLAS-CONF-2015-072 (2015).

    [8] ATLAS, JHEP 12 (2015) 55.

    [9] ATLAS, ATLAS-CONF-2015-075 (2015).

    [10] ATLAS, ATLAS-CONF-2015-068 (2015).

    [11] ATLAS, ATLAS-CONF-2015-068 (2015).

    [12] ATLAS, ATLAS-CONF-2015-074 (2015).

    [13] ATLAS, ATLAS-CONF-2015-070 (2015).

    [14] ATLAS, ATLAS-CONF-2015-063 (2015).

    [15] ATLAS, Phys. Lett. B 754 (2016) 302–322.

    [16] ATLAS, ATLAS-CONF-2015-069 (2015).

    [17] ATLAS, ATLAS-CONF-2015-061 (2015).

    [18] ATLAS, ATLAS-CONF-2015-033 (2015).

    [19] ATLAS, ATLAS-CONF-2015-049 (2015).

    [20] http://atlas.web.cern.ch/Atlas/GROUPS/

    PHYSICS/CombinedSummaryPlots/TOP.

    [21] ATLAS, ATLAS-CONF-2015-065 (2015).

    [22] ATLAS, ATLAS-CONF-2015-028 (2015).

    [23] ATLAS, ATLAS-CONF-2015-039 (2015).

    273