new exotica scenario for the lhc quirks
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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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quirks

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!?!

macro strings at the lhc
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

proposal
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
quirk signatures
Quirk Signatures

Particles remain connected with a ‘string’

 Strange curvature in the detector

M. Luty

quirk signatures1
Quirk Signatures

Particles remain connected with a short ‘string’

 Bound state moves through the detector

M. Luty

quirk signatures2
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

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