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Title: Type-II 2HDM under the precision measurements at the Z-pole and a Higgs factory

Abstract

Future precision measurements of the Standard Model (SM) parameters at the proposed Z-factories and Higgs factories may have significant impacts on new physics beyond the Standard Model in the electroweak sector. We illustrate this by focusing on the Type-II two Higgs doublet model (Type-II 2HDM). The contributions from the heavy Higgs bosons at the tree-level and at the one-loop level are included in a full model parameter space. We perform a multiple variable global fit and study the extent to which the parameters of non-alignment and non-degenerate masses can be probed by the precision measurements. We find that the allowed parameter ranges are tightly constrained by the future Higgs precision measurements, especially for small and large values of tan β. Indirect limits on the masses of heavy Higgs can be obtained, which can be complementary to the direct searches of the heavy Higgs bosons at hadron colliders. We also find that the expected accuracies at the Z-pole and at a Higgs factory are quite complementary in constraining mass splittings of heavy Higgs bosons. The typical results are | cos(β - α)| < 0.008, |Δm Φ| < 200 GeV, and tan β ~ 0.2 - 5. The reaches from CEPC, FCC-eemore » and ILC are also compared, for both Higgs and Z-pole precision measurements.« less

Authors:
 [1];  [2];  [3]; ORCiD logo [4];  [5]
  1. Nankai Univ., Tianjin (China)
  2. Univ. of Pittsburgh, PA (United States); Tsinghua Univ., Beijing (China)
  3. Univ. of Arizona, Tucson, AZ (United States)
  4. Univ. of Arizona, Tucson, AZ (United States); Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Sciences, Beijing (China)
  5. Carleton Univ., Ottawa, ON (Canada)
Publication Date:
Research Org.:
Univ. of Arizona, Tucson, AZ (United States); Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Org.:
USDOE Office of Science (SC); National Natural Science Foundation of China (NNSFC); Natural Sciences and Engineering Research Council of Canada (NERSC); National Science Foundation (NSF)
OSTI Identifier:
1611223
Grant/Contract Number:  
SC0009913; FG02-95ER40896; 11575176; 11675242; PHY-1607611
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Volume: 2019; Journal Issue: 3; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; physics; supersymmetry phenomenology

Citation Formats

Chen, Ning, Han, Tao, Su, Shufang, Su, Wei, and Wu, Yongcheng. Type-II 2HDM under the precision measurements at the Z-pole and a Higgs factory. United States: N. p., 2019. Web. doi:10.1007/jhep03(2019)023.
Chen, Ning, Han, Tao, Su, Shufang, Su, Wei, & Wu, Yongcheng. Type-II 2HDM under the precision measurements at the Z-pole and a Higgs factory. United States. doi:10.1007/jhep03(2019)023.
Chen, Ning, Han, Tao, Su, Shufang, Su, Wei, and Wu, Yongcheng. Tue . "Type-II 2HDM under the precision measurements at the Z-pole and a Higgs factory". United States. doi:10.1007/jhep03(2019)023. https://www.osti.gov/servlets/purl/1611223.
@article{osti_1611223,
title = {Type-II 2HDM under the precision measurements at the Z-pole and a Higgs factory},
author = {Chen, Ning and Han, Tao and Su, Shufang and Su, Wei and Wu, Yongcheng},
abstractNote = {Future precision measurements of the Standard Model (SM) parameters at the proposed Z-factories and Higgs factories may have significant impacts on new physics beyond the Standard Model in the electroweak sector. We illustrate this by focusing on the Type-II two Higgs doublet model (Type-II 2HDM). The contributions from the heavy Higgs bosons at the tree-level and at the one-loop level are included in a full model parameter space. We perform a multiple variable global fit and study the extent to which the parameters of non-alignment and non-degenerate masses can be probed by the precision measurements. We find that the allowed parameter ranges are tightly constrained by the future Higgs precision measurements, especially for small and large values of tan β. Indirect limits on the masses of heavy Higgs can be obtained, which can be complementary to the direct searches of the heavy Higgs bosons at hadron colliders. We also find that the expected accuracies at the Z-pole and at a Higgs factory are quite complementary in constraining mass splittings of heavy Higgs bosons. The typical results are | cos(β - α)| < 0.008, |ΔmΦ| < 200 GeV, and tan β ~ 0.2 - 5. The reaches from CEPC, FCC-ee and ILC are also compared, for both Higgs and Z-pole precision measurements.},
doi = {10.1007/jhep03(2019)023},
journal = {Journal of High Energy Physics (Online)},
issn = {1029-8479},
number = 3,
volume = 2019,
place = {United States},
year = {2019},
month = {3}
}

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    Works referencing / citing this record:

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