Search for extra dimensions using diphoton events in 7 TeV proton–proton collisions with the ATLAS detector
Using data recorded in 2011 with the ATLAS detector at the Large Hadron Collider, a search for evidence of extra spatial dimensions has been performed through an analysis of the diphoton final state. The analysis uses data corresponding to an integrated luminosity of 2.12 fb[superscript −1] of √s =...
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Article |
| Language: | en_US |
| Published: |
Elsevier
2014
|
| Online Access: | http://hdl.handle.net/1721.1/92023 https://orcid.org/0000-0002-7586-7253 |
| _version_ | 1811089217502052352 |
|---|---|
| author | Taylor, Frank E. |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Taylor, Frank E. |
| author_sort | Taylor, Frank E. |
| collection | MIT |
| description | Using data recorded in 2011 with the ATLAS detector at the Large Hadron Collider, a search for evidence of extra spatial dimensions has been performed through an analysis of the diphoton final state. The analysis uses data corresponding to an integrated luminosity of 2.12 fb[superscript −1] of √s = 7 TeV proton–proton collisions. The diphoton invariant mass (m[subscript γγ]) spectrum is observed to be in good agreement with the expected Standard Model background. In the large extra dimension scenario of Arkani-Hamed, Dimopoulos and Dvali, the results provide 95% CL lower limits on the fundamental Planck scale between 2.27 and 3.53 TeV, depending on the number of extra dimensions and the theoretical formalism used. The results also set 95% CL lower limits on the lightest Randall–Sundrum graviton mass of between 0.79 and 1.85 TeV, for values of the dimensionless coupling [k over [bar over M subscript Pl]] varying from 0.01 to 0.1. Combining with previously published ATLAS results from the dielectron and dimuon final states, the 95% CL lower limit on the Randall–Sundrum graviton mass for [k over [bar over M subscript Pl]] = 0.01 (0.1) is 0.80 (1.95) TeV. |
| first_indexed | 2024-09-23T14:15:41Z |
| format | Article |
| id | mit-1721.1/92023 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T14:15:41Z |
| publishDate | 2014 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | mit-1721.1/920232022-09-28T19:32:32Z Search for extra dimensions using diphoton events in 7 TeV proton–proton collisions with the ATLAS detector Taylor, Frank E. Massachusetts Institute of Technology. Department of Physics Taylor, Frank E. Using data recorded in 2011 with the ATLAS detector at the Large Hadron Collider, a search for evidence of extra spatial dimensions has been performed through an analysis of the diphoton final state. The analysis uses data corresponding to an integrated luminosity of 2.12 fb[superscript −1] of √s = 7 TeV proton–proton collisions. The diphoton invariant mass (m[subscript γγ]) spectrum is observed to be in good agreement with the expected Standard Model background. In the large extra dimension scenario of Arkani-Hamed, Dimopoulos and Dvali, the results provide 95% CL lower limits on the fundamental Planck scale between 2.27 and 3.53 TeV, depending on the number of extra dimensions and the theoretical formalism used. The results also set 95% CL lower limits on the lightest Randall–Sundrum graviton mass of between 0.79 and 1.85 TeV, for values of the dimensionless coupling [k over [bar over M subscript Pl]] varying from 0.01 to 0.1. Combining with previously published ATLAS results from the dielectron and dimuon final states, the 95% CL lower limit on the Randall–Sundrum graviton mass for [k over [bar over M subscript Pl]] = 0.01 (0.1) is 0.80 (1.95) TeV. European Organization for Nuclear Research United States. Dept. of Energy National Science Foundation (U.S.) Brookhaven National Laboratory 2014-12-03T18:42:18Z 2014-12-03T18:42:18Z 2012-03 2012-03 Article http://purl.org/eprint/type/JournalArticle 03702693 http://hdl.handle.net/1721.1/92023 Aad, G., B. Abbott, J. Abdallah, A.A. Abdelalim, A. Abdesselam, O. Abdinov, B. Abi, et al. “Search for Extra Dimensions Using Diphoton Events in 7 TeV Proton–proton Collisions with the ATLAS Detector.” Physics Letters B 710, no. 4–5 (April 2012): 538–556. © 2012 CERN https://orcid.org/0000-0002-7586-7253 en_US http://dx.doi.org/10.1016/j.physletb.2012.03.022 Physics Letters B Creative Commons Attribution http://creativecommons.org/licenses/by/3.0/ application/pdf Elsevier Elsevier |
| spellingShingle | Taylor, Frank E. Search for extra dimensions using diphoton events in 7 TeV proton–proton collisions with the ATLAS detector |
| title | Search for extra dimensions using diphoton events in 7 TeV proton–proton collisions with the ATLAS detector |
| title_full | Search for extra dimensions using diphoton events in 7 TeV proton–proton collisions with the ATLAS detector |
| title_fullStr | Search for extra dimensions using diphoton events in 7 TeV proton–proton collisions with the ATLAS detector |
| title_full_unstemmed | Search for extra dimensions using diphoton events in 7 TeV proton–proton collisions with the ATLAS detector |
| title_short | Search for extra dimensions using diphoton events in 7 TeV proton–proton collisions with the ATLAS detector |
| title_sort | search for extra dimensions using diphoton events in 7 tev proton proton collisions with the atlas detector |
| url | http://hdl.handle.net/1721.1/92023 https://orcid.org/0000-0002-7586-7253 |
| work_keys_str_mv | AT taylorfranke searchforextradimensionsusingdiphotoneventsin7tevprotonprotoncollisionswiththeatlasdetector |