Measurement of the Higgs mass via the channel : e+e- -> ZH -> e+e- + X
D. Benchekroun, J-Y. Hostachy, Y. Khoulaki, L. Morin
TL;DR
This paper reports a precise measurement of the Higgs boson mass at 120 GeV via the e+e- -> ZH -> e+e- + X channel using the ILD detector at 250 GeV, achieving about 100 MeV accuracy.
Contribution
It demonstrates the potential for high-precision Higgs mass measurement in the e+e- collider environment with detailed detector analysis.
Findings
Higgs mass measured with ~100 MeV precision
Effective reconstruction at 250 GeV center of mass energy
High accuracy due to initial state knowledge
Abstract
In this communication, the mass declined for the decay channel, e+e- -> ZH -> e+e- + X, as measured by the ILD detector was studied. The Higgs mass is assumed to be 120 GeV and the center of mass energy is 250 GeV. For an integrated luminosity of 250 fb-1, the accuracy of the reconstruction and the good knowledge of the initial state allow for the measurement of the Higgs boson mass with a precision of about 100 MeV.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Computational Physics and Python Applications · Cosmology and Gravitation Theories