New Physics

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(Work Topics & Wish Lists)
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Theorists' wish list:
Theorists' wish list:
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* Efficiency & background rejection for boosted Z to ee, mumu, bb; W and Z to qq (non-bb); what is the jet mass resolution vs jet pT for merged jets from color single objects?
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* Efficiency & background rejection for boosted Z to ee, mumu, bb; W and Z to qq (non-bb); what is the jet mass resolution vs jet pT for merged jets from color singlet objects?
* Can we identify something like u' -> Wu, W->e/mu nu?  (MET will be aligned with lepton/jet, use collinear approx & W mass to constrain fake MET?)
* Can we identify something like u' -> Wu, W->e/mu nu?  (MET will be aligned with lepton/jet, use collinear approx & W mass to constrain fake MET?)
Experimenters' wish list:
Experimenters' wish list:

Revision as of 15:43, 19 June 2009

Contents

New Physics at the LHC

The New Physics part will meet at Les Houches during the period 17-26 June 2009, but people should form an idea of the studies they would like to pursue before that. All work should be completed by the end of 2009. The preference will be for studies focused on recent developments in new physics possibilities.

Schedule

Thursday

15:00 Auditorium: BSM with top, incl. jet structure

Friday

9:00 Auditorium: Dark matter & colliders, hidden sectors/valleys

Matt Strassler: Intro to Hidden Valleys

David Morrissey: Dark Matter in Dark Sectors and "Lepton Jets"

Jay Wacker: Composite Dark Matter, DAMA, and "Lepton Jets"

Yuri Gershtein: D0 Results on Searches for SUSY inspired "Lepton Jets"

16:00 xxx room: Hidden Valley Monte Carlo Discussion

16:30 QCD room: Boosted W and Z

Saturday

11:00 Auditorium: Dictionaries mapping signatures to models, incl spin/mass determination and model-independent searches.

14:00, QCD room: Use of polarized tops (Ritesh Singh).

xxxx: Flavour violating Higgs couplings (Kaustubh Agashe).

yyyy: Dirac gauginos, R-symmetry, and new signals of SUSY (Adam Martin).

Sunday

Monday

14:00, QCD room: Four top events (Ben Gripaios).

15:00, Auditorium: Dark Matter from Extra Dimensions at the LHC (Giacomo Cacciapaglia)

Tuesday

Wednesday

Thursday

Friday

Talks and links

BSM with top:

* [1] ATLAS note on top reconstruction with substructure
* [2] ATLAS note on very high pT b-tagging

Work Topics & Wish Lists

Boosted W/Z:

Theorists' wish list:

  • Efficiency & background rejection for boosted Z to ee, mumu, bb; W and Z to qq (non-bb); what is the jet mass resolution vs jet pT for merged jets from color singlet objects?
  • Can we identify something like u' -> Wu, W->e/mu nu? (MET will be aligned with lepton/jet, use collinear approx & W mass to constrain fake MET?)

Experimenters' wish list:

  • Exhaustive list of models producing boosted W and Z bosons (organized by other objects in the event), with x-section ranges.



NB:

From the information given during the registration process, the following "groups of interest" were identified:


   -Extra dimensions: Agashe, Boos, Bunichev, Cacciapaglia, Deandrea, Fichet, Fox, 
    Gopalakrishna, Grojean, Harper, Henderson, Karagoz Unel, Kraml, Lee, Llodra-Perez, 
    Mahmoudi, Moreau, Morrissey, Przysiezniak, Rosenfeld?, Servant, Singh, Wacker.
   -Technicolor & other EWSB: Agashe, Black, Bose, Boudjema, Del Debbio, Gripaios, 
    Grojean, Harper, Lane, Maravin, Martin, Rosenfeld, Servant, Shepherd, Wacker.
   -Z': Basso, Harper, Jackson, Reuter, Singh, Shepherd.
   -BSM through top: Agashe, Boos, Boudjema, Brooijmans, Gray, Gripaios, Grojean,   Guchait,Karagoz 
    Unel, Lee, Lessard, (Raklev), Servant, Shepherd, Singh, Tytgat, Vos, Wacker.
   -Hidden Valley: long-lived particles: Basso, Gershtein, Maravin, Morrissey , Strassler, Tomalin.
   -Hidden Valley: multiparticle production (benchmarks and backgrounds): Strassler.
   -Dark matter and colliders: Agashe, Belanger, Boudjema, Fox, Gopalakrishna, Guchait,Kraml, 
    Kribs, Lee, LLodra-Perez, Mahmoudi, Martin, Morrissey, Pukhov, Robens, Roy, Raklev, Sekmen, Shepherd, Strassler.
   -Dictionary of signatures & model-independent searches: Belyaev, Bruneliere, Das, 
    Datta, Del Debbio, Fichet, Fox, Gopalakrishna, Henderson, Kauer, Kraml, Lari, Reuter, Robens, Roy, Sekmen, 
    Shepherd, Tytgat.
   -Spin/mass determination: Boudjema, Datta, Gripaios, Lester, Mahmoudi, 
    McElrath, Reuter, Robens, Singh.
   -SUSY Pheno: Fichet, Kraml, Lari, Mahmoudi, Martin, Morrissey, Reuter, Robens, Roy, Slavich, Spira.
   -Tools: Basso, Belyaev, Boos, Bruneliere, Bunichev, Cacciapaglia, Das, Datta, 
    Del Debbio, Kraml, Mahmoudi, Przysiezniak, Pukhov, Reuter, Richardson, Semenov, Slavich, 
    Spira, Strassler.



(Before registration, we had listed some possibilities:

   - Hidden valleys (and other models with long-lived particles)
   - New physics decaying to top quarks
   - Exotic quarks
   - 4th family (mirror or sequential)
   - LHC-dark matter: LHC signals related to hints from PAMELA, ATTIC, DAMA

Furthermore, it would be interesting to further develop guidelines for follow-ups after a potential discovery: if we see X then what should we look for?)

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