期刊
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
卷 39, 期 10, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0954-3899/39/10/105005
关键词
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资金
- SLAC National Accelerator Laboratory's High Energy Theory Group
- Department of Particle Physics and Astrophysics
- J Wacker's Outstanding Junior Investigator Award
- Sloan Fellowship Award
- US DOE [DE-AC02-76SF00515]
- NSF [PHY-0970171, PHY-0705682]
- LHC-TI and Simons Fellowships
- DOE [DE-FG02-91ER40674, DOE-FG02-90ER40546, DE-FG02-96ER50959, DE-AC02-06CH11357, DE-FG02-84ER40173, DE-SC003916]
- National Science Foundation [PHY-0854889, PHY-0653656, PHY-0970173]
- US National Science Foundation [PHY-0757868, PHY-0844667]
- LHC Theory Initiative Graduate Fellowship
- Science and Technology Facilities Council [ST/K001728/1, ST/G000581/1, ST/J000434/1, ST/J000477/1] Funding Source: researchfish
- STFC [ST/G000581/1, ST/K001728/1, ST/J000477/1, ST/J000434/1] Funding Source: UKRI
This document proposes a collection of simplified models relevant to the design of new-physics searches at the Large Hadron Collider (LHC) and the characterization of their results. Both ATLAS and CMS have already presented some results in terms of simplified models, and we encourage them to continue and expand this effort, which supplements both signature-based results and benchmark model interpretations. A simplified model is defined by an effective Lagrangian describing the interactions of a small number of new particles. Simplified models can equally well be described by a small number of masses and cross-sections. These parameters are directly related to collider physics observables, making simplified models a particularly effective framework for evaluating searches and a useful starting point for characterizing positive signals of new physics. This document serves as an official summary of the results from the 'Topologies for Early LHC Searches' workshop, held at SLAC in September of 2010, the purpose of which was to develop a set of representative models that can be used to cover all relevant phase space in experimental searches. Particular emphasis is placed on searches relevant for the first similar to 50-500 pb(-1) of data and those motivated by supersymmetric models. This note largely summarizes material posted at http://lhcnewphysics.org/, which includes simplified model definitions, Monte Carlo material, and supporting contacts within the theory community. We also comment on future developments that may be useful as more data is gathered and analyzed by the experiments.
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