Rafiqul Rahaman

Rafiqul Rahaman
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Rafiqul Rahaman
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High Energy Physics - Experiment (2)
 
High Energy Physics - Phenomenology (2)

Publications Authored By Rafiqul Rahaman

The anomalous trilinear gauge couplings of $Z$ and $\gamma$ are studied in $e^+e^-\to ZZ/Z\gamma$ with longitudinal beam polarizations using a complete set of polarization asymmetries for $Z$ boson. We quantify the goodness of the beam polarization in terms of the likelihood and find best choice of $e^-$ and $e^+$ polarizations to be ($+0.16$, $-0. Read More

We study the anomalous trilinear gauge couplings of $Z$ and $\gamma$ using a complete set of polarization asymmetries for $Z$ boson in $e^+e^-\to ZZ/Z\gamma$ processes with unpolarized initial beams. We use these polarization asymmetries, along with the cross-section, to obtain a simultaneous limit on all the anomalous couplings using Markov Chain Monte Carlo (MCMC) method. For an $e^+e^-$ collider running at $500$ GeV center-of-mass energy and $100$ fb$^{-1}$ of integrated luminosity the simultaneous limits on the anomalous couplings are $1\sim3\times 10^{-3}$. Read More