Simplified Models for Dark Matter and Missing Energy Searches at the LHC
- Academia Sinica, Taipei (Taiwan). Inst. of Physics
- Tel Aviv Univ. (Israel). Dept. of Physics
- Univ. of Chicago, IL (United States). Enrico Fermi Inst.
- International School for Advanced Studies (SISSA), Trieste (Italy); National Inst. for Nuclear Physics (INFN), Trieste (Italy)
- International School for Advanced Studies (SISSA), Trieste (Italy); National Inst. for Nuclear Physics (INFN), Trieste (Italy)
- Univ. of Geneva (Switzerland). Physics Dept.
- Weizmann Inst. of Science, Rehovot (Israel). Dept. of Particle Physics and Astrophysics
- Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics. Enrico Fermi Inst.
- Univ. of California, Berkeley, CA (United States). Berkeley Center for Theoretical Physics; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Theoretical Physics Group
- Univ. of Chicago, IL (United States). Enrico Fermi Inst.; Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- National Inst. for Subatomic Physics (NIKHEF), Amsterdam (Netherlands); Gravitation and AstroParticle Physics in Amsterdam (GRAPPA), Amsterdam (Netherlands)
- Univ. of Toronto, ON (Canada). Dept. of Physics
- Univ. of California, Berkeley, CA (United States). Berkeley Center for Theoretical Physics; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Theoretical Physics Group
- Perimeter Inst. for Theoretical Physics, Waterloo, ON (Canada); McMaster Univ., Hamilton, ON (Canada). Dept. of Physics
- Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
The study of collision events with missing energy as searches for the dark matter (DM) component of the Universe are an essential part of the extensive program looking for new physics at the LHC. Given the unknown nature of DM, the interpretation of such searches should be made broad and inclusive. This report reviews the usage of simplified models in the interpretation of missing energy searches. We begin with a brief discussion of the utility and limitation of the effective field theory approach to this problem. The bulk of the report is then devoted to several different simplified models and their signatures, including s-channel and t-channel processes. A common feature of simplified models for DM is the presence of additional particles that mediate the interactions between the Standard Model and the particle that makes up DM. We consider these in detail and emphasize the importance of their inclusion as final states in any coherent interpretation. We also review some of the experimental progress in the field, new signatures, and other aspects of the searches themselves. We conclude with comments and recommendations regarding the use of simplified models in Run-II of the LHC.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP); Natural Sciences and Engineering Research Council of Canada (NSERC); W. Garfield Weston Foundation (Canada); Israel Science Foundation; US-Israel Binational Science Foundation; I-CORE Program of the Planning Budgeting Committee (Israel); Perimeter Inst. for Theoretical Physics (Canada)
- Contributing Organization:
- Univ. of Chicago, IL (United States); Univ. of Geneva (Switzerland); Tel Aviv Univ. (Israel); Weizmann Inst. of Science, Rehovot (Israel); Perimeter Inst. for Theoretical Physics, Waterloo, ON (Canada)
- DOE Contract Number:
- AC02-76SF00515; 1937/12
- OSTI ID:
- 1304777
- Report Number(s):
- FERMILAB-FN-0990-PPD; 1315811; TRN: US1601794
- Country of Publication:
- United States
- Language:
- English
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