Searches for New Physics in Events with a photon and a missing energy at CDF Run II

TL;DR

This paper reviews recent CDF searches for new physics in photon plus missing energy events, utilizing an upgraded timing system to improve sensitivity and setting new constraints on models like extra dimensions and supersymmetry.

Contribution

It introduces the use of an EMTiming system in CDF to enhance detection sensitivity for photon and missing energy signatures in proton-antiproton collisions.

Findings

Constraints on large extra dimensions models

Limits on gauge mediated supersymmetry breaking

Enhanced sensitivity due to EMTiming system

Abstract

The addition of the EMTiming system installed to provide the time measurements of the electromagnetic calorimeter signals has significantly increased the sensitivity of CDF to events with a photon and a missing energy. Here I review recent searches in this signature performed by CDF using data from proton-antiproton collisions at the center of mass energy of 1.96 TeV. They provide new constraints on models with large extra dimensions and with gauge mediated supersymmetry breaking.