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Title: Composite Vectorlike Fermions

We study a dynamical mechanism that generates a composite vectorlike fermion, formed by the binding of an N-tuplet of elementary chiral fermions to an N-tuplet of scalars. Deriving the properties of the composite fermion in the large N limit, we also show that its mass is much smaller than the compositeness scale when the binding coupling is near a critical value. Furthermore, we compute the contact interactions involving four composite fermions, and find that their coefficients scale as 1/N. Physics beyond the Standard Model may include composite vectorlike fermions arising from this mechanism.
Authors:
 [1] ;  [1]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
Report Number(s):
FERMILAB-PUB-14-313-T
Journal ID: ISSN 0370-2693; arXiv eprint number arXiv:1409.1528; TRN: US1600974
Grant/Contract Number:
AC02-07CH11359
Type:
Published Article
Journal Name:
Physics Letters. Section B
Additional Journal Information:
Journal Volume: 738; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Research Org:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
OSTI Identifier:
1198365
Alternate Identifier(s):
OSTI ID: 1226286