Publications [#308136] of Ashutosh V. Kotwal

Papers Published
  1. al, AVKWDAE, Search for Excited and Exotic Electrons in the e-gamma Decay Channel in proton-antiproton Collisions at sqrt(s) = 1.96 TeV, Physical Review Letters, vol. 94 no. 101802 (March, 2005), pp. 101802 [doi] .

    We present a search for excited and exotic electrons (e(*)) decaying to an electron and a photon, both with high transverse momentum. We use 202 pb(-1) of data collected in pp collisions at sqrt[s] = 1.96 TeV with the Collider Detector at Fermilab II detector. No signal above standard model expectation is seen for associated ee(*) production. We discuss the e(*) sensitivity in the parameter space of the excited electron mass M(e(*)) and the compositeness energy scale Lambda. In the contact interaction model, we exclude 132 GeV/c(2)