Search for High-Mass e+e- Resonances in pp-bar Collisions at sqrt[s]=1.96 TeV
Name
Aaltonen-2009-Search for High-Mass.pdf
Size
285.09 KB
Format
Adobe PDF
Checksum (MD5)
b11bf0bf2d007ecd6db540c9148b2538
Author(s)
Knuteson, Bruce O.
Henderson, C.
Hahn, Kristian Allan
Gomez-Ceballos, Guillelmo
Choudalakis, Georgios
Xie, Si
Paus, Christoph M. E.
Makhoul, Khaldoun
Bauer, Gerry P
Date Issued
January 2009
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
CDF Collaboration et al. “Search for High-Mass e+e- Resonances in pp-bar Collisions at s=1.96 TeV.” Physical Review Letters 102.3 (2009): 031801. © 2009 The American Physical Society.
Version
Final published version
Abstract
A search for high-mass resonances in the e[superscript +]e[superscript -] final state is presented based on 2.5 fb[superscript -1] of √s=1.96 TeV pp̅ collision data from the CDF II detector at the Fermilab Tevatron. The largest excess over the standard model prediction is at an e[superscript +]e[superscript -] invariant mass of 240 GeV/c[superscript 2]. The probability of observing such an excess arising from fluctuations in the standard model anywhere in the mass range of 150–1000 GeV/c[superscript 2] is 0.6% (equivalent to 2.5σ). We exclude the standard model coupling Z′ and the Randall-Sundrum graviton for k/M̅ Pl=0.1 with masses below 963 and 848 GeV/c[superscript 2] at the 95% credibility level, respectively.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Persistent DSpace Link
DOI of Published Version
http://dx.doi.org/10.1103/PhysRevLett.102.031801
