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New Exotica Scenario for the LHC: Quirks

New Exotica Scenario for the LHC: Quirks. De Roeck CERN. Quirks are exotic vector-like fermions that transform as a fundamental under a hidden confining group, but also carry Standard Model charges. Quirks!. The quirk mass M is much larger than the confinement scale Λ. Signatures Catalogue

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New Exotica Scenario for the LHC: Quirks

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  1. New Exotica Scenario for the LHC: Quirks De Roeck CERN

  2. Quirks are exotic vector-like fermions that transform as a fundamental under a hidden confining group, but also carry Standard Model charges. Quirks! The quirk mass M is much larger than the confinement scale Λ. • Signatures Catalogue • Quirks with strange curvature in the B-field of the detectors • Quirks emitting many soft photons • Quirks emitting many soft hadrons • Quirks emitting glueballs • Quirks loosing energy in the detector (like R-Hardons?) • Quirks causing displaced vertices • Quirk pairs causing unusual ionization. • Timing of the signals? Macroscopic strings!?!

  3. Macro-Strings at the LHC? New strong interactions with small  & new quarks mQ> several hundered GeV Markus Luty/Aspen 07  Strings do not break up  Stringy objects in the detector.  End points are massive quarks (quirks)  The strings can oscillate strange signature in detectors

  4. Proposal • Quirks move ‘connected’ through the magnetic field. Weird signatures. • Can G4 be made to deal with such a case? • If yes: Markus Luty (UC-Davis) interested in collaborating with 2 graduate students • More details in • Macroscopic Strings and 'Quirks' at Colliders.Junhai Kang, Markus A. Luty . arXiv:0805.4642

  5. Backup

  6. Quirk Signatures Particles remain connected with a ‘string’  Strange curvature in the detector M. Luty

  7. Quirk Signatures Particles remain connected with a short ‘string’  Bound state moves through the detector M. Luty

  8. Quirk Signatures Particles yoyo around and loose energy  emission of many soft harons, photons, and possible glueballs M. Luty All these signatures are challenging for the experiments starting with the trigger

  9. Quirks shower photons

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