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A Search for New Physics in Events with Two Photons and Missing Transverse Energy in Proton-proton Collisions at Sqrt(s)

2013
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Release : 2013
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Book Synopsis A Search for New Physics in Events with Two Photons and Missing Transverse Energy in Proton-proton Collisions at Sqrt(s) by : David Michael Morse

Download or read book A Search for New Physics in Events with Two Photons and Missing Transverse Energy in Proton-proton Collisions at Sqrt(s) written by David Michael Morse. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt:

Search for New Physics Using Events with Two Photons and Large Missing Transverse Energy in Pp Collisions at ?s

2013
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Release : 2013
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Book Synopsis Search for New Physics Using Events with Two Photons and Large Missing Transverse Energy in Pp Collisions at ?s by : Yueh-Feng Liu

Download or read book Search for New Physics Using Events with Two Photons and Large Missing Transverse Energy in Pp Collisions at ?s written by Yueh-Feng Liu. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt:

Search for New Physics in Pp Collisions at 7 TeV Center-of-mass Energy Using Diphoton Events with Large Missing Transverse Energy in the CMS Experiment at the LHC

2011 Gauge fields (Physics)
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Release : 2011
Genre : Gauge fields (Physics)
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Book Synopsis Search for New Physics in Pp Collisions at 7 TeV Center-of-mass Energy Using Diphoton Events with Large Missing Transverse Energy in the CMS Experiment at the LHC by : Robert Wayne Stringer

Download or read book Search for New Physics in Pp Collisions at 7 TeV Center-of-mass Energy Using Diphoton Events with Large Missing Transverse Energy in the CMS Experiment at the LHC written by Robert Wayne Stringer. This book was released on 2011. Available in PDF, EPUB and Kindle. Book excerpt: Many theoretical models of physics beyond the Standard Model provide a signature of two photons and large missing transverse energy [Special characters omitted.] in the final state. This search was performed using 36 pb[superscript -1] of proton-proton collision data at [Squared root of s] = 7 TeV. The candidate events are determined by comparing the [Special characters omitted.] distribution for events with two photons and at least one hadronic jet with the [Special characters omitted.] T distribution from QCD and electroweak processes that have no true missing transverse energy. 1.2 ± 0.8 background events were expected, with one event observed. This result was interpreted in two theoretical models beyond the Standard Model. The cross section for General Gauge Mediated Supersymmetry Breaking is given an upper limit between 0.3 pb and 1.1 pb. Universal Extra Dimensions has been excluded for all values of 1/ R

Search for New Physics in Final States with Low Transverse Energy Photon and Missing Transverse Energy in Proton-proton Collisions at $\sqrt{s}

2015
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Release : 2015
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Book Synopsis Search for New Physics in Final States with Low Transverse Energy Photon and Missing Transverse Energy in Proton-proton Collisions at $\sqrt{s} by :

Download or read book Search for New Physics in Final States with Low Transverse Energy Photon and Missing Transverse Energy in Proton-proton Collisions at $\sqrt{s} written by . This book was released on 2015. Available in PDF, EPUB and Kindle. Book excerpt: A search for new physics in the [gamma]+ET nal state is performed using pp collision data corresponding to an integrated luminosity of 7.3 fb-1 collected at √s = 8 TeV using low threshold triggers in a phase space region de ned by ET > 45 GeV and ET > 40 GeV.

Search for New Physics in Events with High Jet Multiplicity and Low Missing Transverse Momentum in Proton-proton Collisions at $\sqrt{s}

2016
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Release : 2016
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Book Synopsis Search for New Physics in Events with High Jet Multiplicity and Low Missing Transverse Momentum in Proton-proton Collisions at $\sqrt{s} by :

Download or read book Search for New Physics in Events with High Jet Multiplicity and Low Missing Transverse Momentum in Proton-proton Collisions at $\sqrt{s} written by . This book was released on 2016. Available in PDF, EPUB and Kindle. Book excerpt: A dedicated search is presented for new phenomena in inclusive eight- and ten-jet final states with low missing transverse momentum, with and without identification of jets originating from b quarks. The analysis is based on data from proton-proton collisions corresponding to an integrated luminosity of 19.6 inverse femtobarns collected with the CMS detector at the LHC at sqrt(s) = 8 TeV. The dominant multijet background expectations are obtained from low jet multiplicity control samples. Data agree well with the standard model background predictions, and limits are set in several benchmark models. Colorons (axigluons) with masses between 0.6 and 0.75 (up to 1.15) TeV are excluded at 95% confidence level. Similar exclusion limits for gluinos in R-parity violating supersymmetric scenarios are from 0.6 up to 1.1TeV. These results comprise the first experimental probe of the coloron and axigluon models in multijet final states.

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