Magellan: MCMC setup and diagnostics

2HDMC setup

2HDMC SM parameters
Variable	Value
\( m_{t} \)	172.6 GeV
\( m_{b} \)	4.6 GeV
\( m_{\tau} \)	1.7771 GeV
\( \alpha_{EM} \)	1.0/127.934
\( \alpha_{s} \)	0.118
\( m_{Z} \)	91.183 GeV
\( m_{W} \)	80.41 GeV
\( \Gamma_{Z} \)	2.49 GeV
\( \Gamma_{W} \)	2.08 GeV
\( G_{F} \)	1.16639 10\(^{-5}\) GeV\(^{-2}\)

Scan setup

Proposal function, \( q(\theta^{(i+1)}, \theta^{(i)}) \): Gaussian centered at zero, with a standard deviation corresponding to stepsize.

MCMC scan parameter ranges and stepsizes
Variable	Range	Stepsize
\(\cos(\beta-\alpha)\)	[ -1.0, 1.0]	0.03
\(\tan \beta \)	[ 0.5, 30.0]	0.5
\(m_{A} \) [GeV]	[100.0, 1000.0]	20.0
\(m_{H} \) [GeV]	[150.0, 1000.0]	20.0
\(m_{H^{\pm}} \) [GeV]	[500.0, 1000.0]	20.0
\(Z_{7} \)	[-10.0, 10.0]	0.2

Trace plots

\( \chi^{2}_{\text{HS}} + \chi^{2}_{\text{GFitter}} \) burn in.

Input parameter traceplots