Search for Magnetic Monopoles in √s=7 TeV pp Collisions with the ATLAS Detector
This Letter presents a search for magnetic monopoles with the ATLAS detector at the CERN Large Hadron Collider using an integrated luminosity of 2.0 fb[superscript -1] of pp collisions recorded at a center-of-mass energy of √s=7 TeV. No event is found in the signal region, leading to an upper lim...
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| Format: | Article |
| Language: | en_US |
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American Physical Society
2013
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| Online Access: | http://hdl.handle.net/1721.1/77183 https://orcid.org/0000-0002-7586-7253 |
| _version_ | 1811086555993866240 |
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| 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 | This Letter presents a search for magnetic monopoles with the ATLAS detector at the CERN Large Hadron Collider using an integrated luminosity of 2.0 fb[superscript -1] of pp collisions recorded at a center-of-mass energy of √s=7 TeV. No event is found in the signal region, leading to an upper limit on the production cross section at 95% confidence level of 1.6/ϵ fb for Dirac magnetic monopoles with the minimum unit magnetic charge and with mass between 200 GeV and 1500 GeV, where ϵ is the monopole reconstruction efficiency. The efficiency ϵ is high and uniform in the fiducial region given by pseudorapidity |η|<1.37 and transverse kinetic energy 600–700<E[superscript kin] sin θ<1400 GeV. The minimum value of 700 GeV is for monopoles of mass 200 GeV, whereas the minimum value of 600 GeV is applicable for higher mass monopoles. Therefore, the upper limit on the production cross section at 95% confidence level is 2 fb in this fiducial region. Assuming the kinematic distributions from Drell-Yan pair production of spin-1/2 Dirac magnetic monopoles, the efficiency is in the range 1%–10%, leading to an upper limit on the cross section at 95% confidence level that varies from 145 fb to 16 fb for monopoles with mass between 200 GeV and 1200 GeV. This limit is weaker than the fiducial limit because most of these monopoles lie outside the fiducial region. |
| first_indexed | 2024-09-23T13:27:50Z |
| format | Article |
| id | mit-1721.1/77183 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T13:27:50Z |
| publishDate | 2013 |
| publisher | American Physical Society |
| record_format | dspace |
| spelling | mit-1721.1/771832022-09-28T14:25:10Z Search for Magnetic Monopoles in √s=7 TeV pp Collisions with the ATLAS Detector Taylor, Frank E. Massachusetts Institute of Technology. Department of Physics Taylor, Frank E. This Letter presents a search for magnetic monopoles with the ATLAS detector at the CERN Large Hadron Collider using an integrated luminosity of 2.0 fb[superscript -1] of pp collisions recorded at a center-of-mass energy of √s=7 TeV. No event is found in the signal region, leading to an upper limit on the production cross section at 95% confidence level of 1.6/ϵ fb for Dirac magnetic monopoles with the minimum unit magnetic charge and with mass between 200 GeV and 1500 GeV, where ϵ is the monopole reconstruction efficiency. The efficiency ϵ is high and uniform in the fiducial region given by pseudorapidity |η|<1.37 and transverse kinetic energy 600–700<E[superscript kin] sin θ<1400 GeV. The minimum value of 700 GeV is for monopoles of mass 200 GeV, whereas the minimum value of 600 GeV is applicable for higher mass monopoles. Therefore, the upper limit on the production cross section at 95% confidence level is 2 fb in this fiducial region. Assuming the kinematic distributions from Drell-Yan pair production of spin-1/2 Dirac magnetic monopoles, the efficiency is in the range 1%–10%, leading to an upper limit on the cross section at 95% confidence level that varies from 145 fb to 16 fb for monopoles with mass between 200 GeV and 1200 GeV. This limit is weaker than the fiducial limit because most of these monopoles lie outside the fiducial region. 2013-02-21T18:00:32Z 2013-02-21T18:00:32Z 2012-12 2012-07 Article http://purl.org/eprint/type/JournalArticle 0031-9007 1079-7114 http://hdl.handle.net/1721.1/77183 Aad, G. et al. “Search for Magnetic Monopoles in √s=7 TeV pp Collisions with the ATLAS Detector.” Physical Review Letters 109.26 (2012). https://orcid.org/0000-0002-7586-7253 en_US http://dx.doi.org/10.1103/PhysRevLett.109.261803 Physical Review Letters Creative Commons Attribution 3.0 http://creativecommons.org/licenses/by/3.0/ application/pdf American Physical Society APS |
| spellingShingle | Taylor, Frank E. Search for Magnetic Monopoles in √s=7 TeV pp Collisions with the ATLAS Detector |
| title | Search for Magnetic Monopoles in √s=7 TeV pp Collisions with the ATLAS Detector |
| title_full | Search for Magnetic Monopoles in √s=7 TeV pp Collisions with the ATLAS Detector |
| title_fullStr | Search for Magnetic Monopoles in √s=7 TeV pp Collisions with the ATLAS Detector |
| title_full_unstemmed | Search for Magnetic Monopoles in √s=7 TeV pp Collisions with the ATLAS Detector |
| title_short | Search for Magnetic Monopoles in √s=7 TeV pp Collisions with the ATLAS Detector |
| title_sort | search for magnetic monopoles in √s 7 tev pp collisions with the atlas detector |
| url | http://hdl.handle.net/1721.1/77183 https://orcid.org/0000-0002-7586-7253 |
| work_keys_str_mv | AT taylorfranke searchformagneticmonopolesins7tevppcollisionswiththeatlasdetector |