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Title: Full simulation study of the top Yukawa coupling at the ILC at √s = 1 TeV

We present a study of the expected precision for the measurement of the top Yukawa coupling, yt, in e+e- collisions at a center-of-mass energy of 1 TeV. Independent analyses of tt-barH final states containing at least six hadronic jets are performed, based on detailed simulations of SiD and ILD, the two candidate detector concepts for the ILC. We estimate that a statistical precision on yt of 4.5 % can be obtained with an integrated luminosity of 1 ab-1 that is split equally between two configurations for the beam polarization P(e-,e+), (-80 %,+20 %) and (+80 %,-20 %). This estimate improves to 4 % if the 1 ab-1 sample is assumed to be fully in the P(e-,e+)=(-80 %,+20 %) configuration.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. Univ. of Birmingham (United Kingdom)
  2. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  3. Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Tohoku Univ. (Japan)
  4. Univ. of Tokyo (Japan). ICEPP
Publication Date:
OSTI Identifier:
1214644
Grant/Contract Number:
23000002; AC05-76RL01830
Type:
Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 75; Journal Issue: 7; Journal ID: ISSN 1434-6044
Publisher:
Springer
Research Org:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS