Neutralino reconstruction at the LHC from decay-frame kinematics

Z. Kang; N. Kersting; S. Kraml; A.R. Raklev; M.J. White

doi:10.1140/epjc/s10052-010-1477-1

EPJ

Neutralino reconstruction at the LHC from decay-frame kinematics

Z. Kang¹, N. Kersting¹, S. Kraml², A.R. Raklev³^,4 and M.J. White⁴

¹ Physics Department, Sichuan University, Chengdu, Sichuan Province, 610065, P.R. China
² Laboratoire de Physique Subatomique et de Cosmologie (LPSC), UJF Grenoble 1, CNRS/IN2P3, 53 Avenue des Martyrs, 38026, Grenoble, France
³ DAMTP, Wilberforce Road, Cambridge, CB3 0WA, UK
⁴ Cavendish Laboratory, JJ Thomson Avenue, Cambridge, CB3 0HE, UK

Received: 31 March 2010
Revised: 16 June 2010
Published online: 26 October 2010

Abstract

Decay-frame Kinematics (DK) has previously been introduced as a technique to reconstruct neutralino masses from their three-body decays to leptons. This work is an extension to the case of two-body decays through on-shell sleptons, with Monte Carlo simulation of LHC collisions demonstrating reconstruction of neutralino masses for the SPS1a benchmark point.

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EPJ

Neutralino reconstruction at the LHC from decay-frame kinematics

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