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Title: The Muon Collider as a $H/A$ factory

We show that a muon collider is ideally suited for the study of heavy H/A scalars, cousins of the Higgs boson found in two-Higgs doublet models and required in supersymmetric models. The key aspects of H/A are: (1) they are narrow, yet have a width-to-mass ratio far larger than the expected muon collider beam-energy resolution, and (2) the larger muon Yukawa allows efficient s-channel production. We study in detail a representative Natural Supersymmetry model which has a 1.5 Tev H/A with $$m_H$$- $$m_A$$ = 10 Gev. The large event rates at resonant peak allow the determination of the individual H and A resonance parameters (including CP) and the decays into electroweakinos provides a wealth of information unavailable to any other present or planned collider.
Authors:
 [1] ;  [2]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  2. European Organization for Nuclear Research (CERN), Geneva (Switzerland); Univ. of Notre Dame, IN (United States). Dept. of Physics
Publication Date:
Report Number(s):
FERMILAB-PUB-13-193-T; CERN-PH-TH-2013-111
Journal ID: ISSN 0370-2693; arXiv eprint number arXiv:1306.2609
Grant/Contract Number:
AC02-07CH11359
Type:
Published Article
Journal Name:
Physics Letters. Section B
Additional Journal Information:
Journal Volume: 728; Conference: Community Summer Study 2013, Minneapolis, MN (United States), 29 Jul - 6 Aug 2013; 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:
43 PARTICLE ACCELERATORS
OSTI Identifier:
1341203
Alternate Identifier(s):
OSTI ID: 1155839

Eichten, Estia, and Martin, Adam. The Muon Collider as a $H/A$ factory. United States: N. p., Web. doi:10.1016/j.physletb.2013.11.035.
Eichten, Estia, & Martin, Adam. The Muon Collider as a $H/A$ factory. United States. doi:10.1016/j.physletb.2013.11.035.
Eichten, Estia, and Martin, Adam. 2013. "The Muon Collider as a $H/A$ factory". United States. doi:10.1016/j.physletb.2013.11.035.
@article{osti_1341203,
title = {The Muon Collider as a $H/A$ factory},
author = {Eichten, Estia and Martin, Adam},
abstractNote = {We show that a muon collider is ideally suited for the study of heavy H/A scalars, cousins of the Higgs boson found in two-Higgs doublet models and required in supersymmetric models. The key aspects of H/A are: (1) they are narrow, yet have a width-to-mass ratio far larger than the expected muon collider beam-energy resolution, and (2) the larger muon Yukawa allows efficient s-channel production. We study in detail a representative Natural Supersymmetry model which has a 1.5 Tev H/A with $m_H$- $m_A$ = 10 Gev. The large event rates at resonant peak allow the determination of the individual H and A resonance parameters (including CP) and the decays into electroweakinos provides a wealth of information unavailable to any other present or planned collider.},
doi = {10.1016/j.physletb.2013.11.035},
journal = {Physics Letters. Section B},
number = ,
volume = 728,
place = {United States},
year = {2013},
month = {11}
}