Home > Research > Publications & Outputs > Search for anomaly-mediated supersymmetry break...

Electronic data

  • art%3A10.1140%2Fepjc%2Fs10052-012-1993-2

    Rights statement: This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

    Final published version, 1.42 MB, PDF document

Links

Text available via DOI:

View graph of relations

Search for anomaly-mediated supersymmetry breaking with the ATLAS detector based on a disappearing-track signature in pp collisions at s√=7 TeV

Research output: Contribution to journalJournal articlepeer-review

Published

Standard

Search for anomaly-mediated supersymmetry breaking with the ATLAS detector based on a disappearing-track signature in pp collisions at s√=7 TeV. / The ATLAS collaboration.

In: European Physical Journal C: Particles and Fields, Vol. 72, No. 4, 1993, 04.2012.

Research output: Contribution to journalJournal articlepeer-review

Harvard

APA

Vancouver

Author

The ATLAS collaboration. / Search for anomaly-mediated supersymmetry breaking with the ATLAS detector based on a disappearing-track signature in pp collisions at s√=7 TeV. In: European Physical Journal C: Particles and Fields. 2012 ; Vol. 72, No. 4.

Bibtex

@article{fe02e22684754055bfd050d77e5a6401,
title = "Search for anomaly-mediated supersymmetry breaking with the ATLAS detector based on a disappearing-track signature in pp collisions at s√=7 TeV",
abstract = "In models of anomaly-mediated supersymmetry breaking (AMSB), the lightest chargino is predicted to have a lifetime long enough to be detected in collider experiments. This letter explores AMSB scenarios in pp collisions at s√=7 TeV by attempting to identify decaying charginos which result in tracks that appear to have few associated hits in the outer region of the tracking system. The search was based on data corresponding to an integrated luminosity of 1.02 fb−1 collected with the ATLAS detector in 2011. The p T spectrum of candidate tracks is found to be consistent with the expectation from Standard Model background processes and constraints on the lifetime and the production cross section were obtained. In the minimal AMSB framework with m 3/2<32 TeV, m 0<1.5 TeV, tanβ=5 and μ>0, a chargino having mass below 92 GeV and a lifetime between 0.5 ns and 2 ns is excluded at 95 % confidence level.",
author = "Adam Barton and Guennadi Borissov and Eva Bouhova-Thacker and Timothy Brodbeck and Alexandre Chilingarov and Ruth Davidson and {de Mora}, Lee and William Dearnaley and Harald Fox and Robert Henderson and Gareth Hughes and Jones, {Roger William Lewis} and Vakhtang Kartvelishvili and Robin Long and Peter Love and Peter Ratoff and Maria Smizanska and James Walder and {The ATLAS collaboration}",
note = "This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.",
year = "2012",
month = apr,
doi = "10.1140/epjc/s10052-012-1993-2",
language = "English",
volume = "72",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "4",

}

RIS

TY - JOUR

T1 - Search for anomaly-mediated supersymmetry breaking with the ATLAS detector based on a disappearing-track signature in pp collisions at s√=7 TeV

AU - Barton, Adam

AU - Borissov, Guennadi

AU - Bouhova-Thacker, Eva

AU - Brodbeck, Timothy

AU - Chilingarov, Alexandre

AU - Davidson, Ruth

AU - de Mora, Lee

AU - Dearnaley, William

AU - Fox, Harald

AU - Henderson, Robert

AU - Hughes, Gareth

AU - Jones, Roger William Lewis

AU - Kartvelishvili, Vakhtang

AU - Long, Robin

AU - Love, Peter

AU - Ratoff, Peter

AU - Smizanska, Maria

AU - Walder, James

AU - The ATLAS collaboration

N1 - This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

PY - 2012/4

Y1 - 2012/4

N2 - In models of anomaly-mediated supersymmetry breaking (AMSB), the lightest chargino is predicted to have a lifetime long enough to be detected in collider experiments. This letter explores AMSB scenarios in pp collisions at s√=7 TeV by attempting to identify decaying charginos which result in tracks that appear to have few associated hits in the outer region of the tracking system. The search was based on data corresponding to an integrated luminosity of 1.02 fb−1 collected with the ATLAS detector in 2011. The p T spectrum of candidate tracks is found to be consistent with the expectation from Standard Model background processes and constraints on the lifetime and the production cross section were obtained. In the minimal AMSB framework with m 3/2<32 TeV, m 0<1.5 TeV, tanβ=5 and μ>0, a chargino having mass below 92 GeV and a lifetime between 0.5 ns and 2 ns is excluded at 95 % confidence level.

AB - In models of anomaly-mediated supersymmetry breaking (AMSB), the lightest chargino is predicted to have a lifetime long enough to be detected in collider experiments. This letter explores AMSB scenarios in pp collisions at s√=7 TeV by attempting to identify decaying charginos which result in tracks that appear to have few associated hits in the outer region of the tracking system. The search was based on data corresponding to an integrated luminosity of 1.02 fb−1 collected with the ATLAS detector in 2011. The p T spectrum of candidate tracks is found to be consistent with the expectation from Standard Model background processes and constraints on the lifetime and the production cross section were obtained. In the minimal AMSB framework with m 3/2<32 TeV, m 0<1.5 TeV, tanβ=5 and μ>0, a chargino having mass below 92 GeV and a lifetime between 0.5 ns and 2 ns is excluded at 95 % confidence level.

U2 - 10.1140/epjc/s10052-012-1993-2

DO - 10.1140/epjc/s10052-012-1993-2

M3 - Journal article

VL - 72

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 4

M1 - 1993

ER -