| dc.identifier.uri | http://hdl.handle.net/1951/59877 | |
| dc.identifier.uri | http://hdl.handle.net/11401/71424 | |
| dc.description.sponsorship | This work is sponsored by the Stony Brook University Graduate School in compliance with the requirements for completion of degree. | en_US |
| dc.format | Monograph | |
| dc.format.medium | Electronic Resource | en_US |
| dc.language.iso | en_US | |
| dc.publisher | The Graduate School, Stony Brook University: Stony Brook, NY. | |
| dc.type | Dissertation | |
| dcterms.abstract | The Standard Model is an incomplete theory of nature. Numerous
extensions of the Standard Model predict the existence of leptoquarks (LQ), color-triplet
bosons which carry both baryon and lepton number. This dissertation presents the results of
a search for pair production of first generation scalar leptoquarks in the eMETjj final
state. The search is performed in pp collisions corresponding to an integrated luminosity of
1.03 fb^-1, at a center-of-mass energy s^1/2 = 7 TeV, recorded with the ATLAS detector at the
LHC. A multivariate discriminant is used to distinguish signal-like events from
background-like events. Observations are consistent with expectations from Standard Model
backgrounds, thus limits on allowed LQ mass are determined. First generation scalar
leptoquarks with mass m < 558 GeV are excluded at a 95% confidence level for Β =
BR(LQ % → eq) = 0.5. When combined with a complimentary search in the eejj final
state,
leptoquarks with mass m < 607 (660) GeV are excluded for Β = 0.5 (1.0). These are
the strongest limits in existence. | |
| dcterms.available | 2013-05-22T17:35:39Z | |
| dcterms.available | 2015-04-24T14:47:31Z | |
| dcterms.contributor | Rijssenbeek, Michael , Tsybychev, Dmitri | en_US |
| dcterms.creator | Stupak III, John | |
| dcterms.dateAccepted | 2013-05-22T17:35:39Z | |
| dcterms.dateAccepted | 2015-04-24T14:47:31Z | |
| dcterms.dateSubmitted | 2013-05-22T17:35:39Z | |
| dcterms.dateSubmitted | 2015-04-24T14:47:31Z | |
| dcterms.description | Department of Physics | en_US |
| dcterms.extent | 179 pg. | en_US |
| dcterms.format | Application/PDF | en_US |
| dcterms.format | Monograph | |
| dcterms.identifier | StupakIII_grad.sunysb_0771E_11014 | en_US |
| dcterms.identifier | http://hdl.handle.net/1951/59877 | |
| dcterms.identifier | http://hdl.handle.net/11401/71424 | |
| dcterms.issued | 2012-08-01 | |
| dcterms.language | en_US | |
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Previous issue date: 1 | en |
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Previous issue date: 1 | en |
| dcterms.publisher | The Graduate School, Stony Brook University: Stony Brook, NY. | |
| dcterms.subject | Physics | |
| dcterms.subject | Leptoquark ATLAS LHC High-Energy
Physics | |
| dcterms.title | A Search for First Generation
Leptoquarks in s^1/2 = 7 TeV pp Collisions with the ATLAS Detector | |
| dcterms.type | Dissertation | |
