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Benchmarking simplified template cross sections in $WH$ production

Johann Brehmer
(
- New York U., CCPP
)
,
Sally Dawson
(
- Brookhaven
)
,
Samuel Homiller
(
- Brookhaven and
- YITP, Stony Brook
)
,
Felix Kling
(
- UC, Irvine and
- SLAC
)
,
Tilman Plehn
(
- Heidelberg U.
)

Aug 19, 2019

30 pages

Published in:

JHEP 11 (2019) 034

Published: Nov 6, 2019

e-Print:

1908.06980 [hep-ph]

DOI:

10.1007/JHEP11(2019)034

Report number:

YITP-SB-19-22

View in:

ADS Abstract Service

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Abstract: (Springer)

Simplified template cross sections define a framework for the measurement and dissemination of kinematic information in Higgs measurements. We benchmark the currently proposed setup in an analysis of dimension-6 effective field theory operators for W H production. Calculating the Fisher information allows us to quantify the sensitivity of this framework to new physics and study its dependence on phase space. New machine- learning techniques let us compare the simplified template cross section framework to the full, high-dimensional kinematic information. We show that the way in which we truncate the effective theory has a sizable impact on the definition of the optimal simplified template cross sections.

Note:

30 pages, 12 figures. Code repository at https://github.com/shomiller/wh-madminer. Version accepted for publication in JHEP

Higgs Physics
Beyond Standard Model
Effective Field Theories
kinematics: phase space
effective field theory
new physics: sensitivity
Higgs particle: production
Higgs particle: propagator
information theory
statistical analysis

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