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1 Evgueni Goudzovski (University of Birmingham) A personal selection of new results: 1)Higgs & new physics searches at hadron colliders; 2)Flavour physics at the LHC; 3)Lepton flavour violation: MEG; 4)Neutrino oscillation measurements. Birmingham PP seminar 5 October 2011 Highlights of the EPS 2011 conference (Grenoble, July 2011)
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2 Higgs & new physics searches at hadron colliders
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3 Tevatron prospects: large improvements in sensitivity; Next spring: results based on the full 10fb –1 sample. ~8fb –1 Tevatron Higgs limits Presented by Eric James
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4 SM Higgs at LHC Sensitivities (ATLAS) SM Higgs cross-sections Low mass: H bb, , . Intermediate mass: H WW l l. High mass: H ZZ ll, llqq, llll. BR
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5 Examples (ATLAS) H H ZZ 4l Presented by Dave Charlton
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6 ATLAS+CMS combination is complex, and was not presented at EPS 2011. ~(155-206; 270-450) GeV excluded. Limits improved/revised at LP11! ? ? Presented by William Murray The LHC limits: July 2011
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7 SM & searhes at the LHC
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8 LHCb: B 0 K* + –
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9 LHCb data taking (by end of July) Luminosity levelling delivers constant operation at L~3x10 32 /cm 2 /s
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10 B 0 K * + – (FCNC: b s) BR~10 –6 B-factories hinted a positive A FB for all q 2 …
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11 LHCb analysis J/ (2S) K* K World’s largest sample
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12 Forward-backward asymmetry A textbook confirmation of the SM prediction… …presented by M.Patel (Imperial College)
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13 LHC: B s + –
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14 The “golden mode”: B s + –
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15 B s + – Presented by Guy Wilkinson
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16 B s + – Presented by Guy Wilkinson
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17 LHCb analysis 300 pb –1 Boosted decision tree analysis (similar to PLB 699(2011)330)
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18 LHCb preliminary limit 300 pb –1
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19 CMS analysis 1.14 fb –1 (both | |<1.4) (at least one | |>1.4)
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20 BR(B s + – ) combination 95%CL 90%CL 27 July 2011 Presented by Guy Wilkinson
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21 Lepton Flavour Violation: e @ MEG exp’t
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22 The MEG experiment Presented by Toshinori Mori-san World’s most intensive muon beam @ PSI; Thin stopping target (polyethylene); Spectrometer+ LXe calirimeter. Signal: e (back-to-back). Background: e (the Michel decay). Accidental BKG is dominant.
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23 2010 data analysis Presented by Toshinori Mori-san
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24 Likelihood profiles ~10 –13 sensitivity expected with the 2011+12 data set The hint for new physics seen in 2009 data has disappeared Presented by Toshinori Mori-san Updated MEG results
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25 Neutrino physics
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26 First T2K appearance results Electron neutrino appearance in beam: P( e ) = sin 2 (2 13 )sin 2 23 sin 2 ( m 2 atm L/4E) (with 2% of the T2K expected flux) First indication of non-zero 13
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27 e appearance @ MINOS e appearance @ MINOS Electron neutrino appearance in beam: P( e ) = sin 2 (2 13 )sin 2 23 sin 2 ( m 2 atm L/4E)
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28 Three-flavour global analysis 3 indication of non-zero 13 ; T2K to continue data acquisition soon; New generation of reactor experiments with near&far detectors starting (Daya Bay, Double Chooz, RENO) Presented by S.Schoenert Double Chooz expected sensitivity Reactor e (~1MeV) disappearance experiment Near-detector operational
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29 Disappearance: T2K & MINOS Muon neutrino disappearance: P( ) = 1 – sin 2 (2 13 )sin 2 ( m 2 32 L/4E) MINOS@Fermilab (8x10 20 POT) MINOS:
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30 Thank you
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