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Orlando Alejandro  Valencia Quiroz

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Papers by Orlando Alejandro Valencia Quiroz

Research paper thumbnail of Investigación de Operaciones

 Población (entidades): Elemento que tiene la característica de la población.  Sistema de cola ... more  Población (entidades): Elemento que tiene la característica de la población.  Sistema de cola (distribución poisson).  Sistema de servidores, ventanilleros (distribución exponencial).

Research paper thumbnail of Search for a supersymmetric partner to the top quark in final states with jets and missing transverse momentum at <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msqrt><mi>s</mi></msqrt></mrow><annotation encoding="application/x-tex">\sqrt{s}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.04em;vertical-align:-0.2397em;"></span><span class="mord sqrt"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8003em;"><span class="svg-align" style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord" style="padding-left:0.833em;"><span class="mord mathnormal">s</span></span></span><span style="top:-2.7603em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="min-width:0.853em;height:1.08em;"><svg xmlns="http://www.w3.org/2000/svg" width='400em' height='1.08em' viewBox='0 0 400000 1080' preserveAspectRatio='xMinYMin slice'><path d='M95,702
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c44.2,-33.3,65.8,-50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10
s173,378,173,378c0.7,0,35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429
c69,-144,104.5,-217.7,106.5,-221
l0 -0
c5.3,-9.3,12,-14,20,-14
H400000v40H845.2724
s-225.272,467,-225.272,467s-235,486,-235,486c-2.7,4.7,-9,7,-19,7
c-6,0,-10,-1,-12,-3s-194,-422,-194,-422s-65,47,-65,47z
M834 80h400000v40h-400000z'/></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2397em;"><span></span></span></span></span></span></span></span></span> = 7 TeV with the ATLAS detector

A search for direct pair production of supersymmetric top squarks (t 1 ) is presented, assuming t... more A search for direct pair production of supersymmetric top squarks (t 1 ) is presented, assuming thet 1 decays into a top quark and the lightest supersymmetric particle,χ 0 1, and that both top quarks decay to purely hadronic final states. A total of 16 (4) events are observed compared to a predicted Standard Model background of 13.5 + 3.7 − 3.6 (4.4 + 1.7 − 1.3 ) events in two signal regions based on L dt = 4.7 fb −1 of pp collision data taken at √ s = 7 TeV with the ATLAS detector at the LHC. An exclusion region in thet 1 versusχ 0 1 mass plane is evaluated: 370 < mt 1 < 465 GeV is excluded for mχ0 1 ∼ 0 GeV while mt 1 = 445 GeV is excluded for mχ0 1 ≤ 50 GeV. Technology, Ankara; (e)

Research paper thumbnail of Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector

Research paper thumbnail of Measurement of the top quark pair cross section with ATLAS in pp collisions at sqrt(s) = 7 TeV using final states with an electron or a muon and a hadronically decaying tau lepton

√ s = 7 TeV using final states with an electron or a muon and a hadronically decaying τ lepton

Teaching Documents by Orlando Alejandro Valencia Quiroz

Research paper thumbnail of Manual de Bases de Datos PostgreSQL

Manual de bases de datos postgresql, ejercicios con respuestas y pasos de instalación.

Drafts by Orlando Alejandro Valencia Quiroz

Research paper thumbnail of Manual de MySql

Contiene sentencias sql, prácticas y modelos entidad relación.

Research paper thumbnail of Manual de Oracle Taller de Bases de Datos

Contiene instalación, disparadores, sentencias, prácticas y modelos relacionales en ORACLE 11g Ex... more Contiene instalación, disparadores, sentencias, prácticas y modelos relacionales en ORACLE 11g Express.

Research paper thumbnail of Valentina Studio on macOS Sierra

Contiene, manual de instalación en macOS Sierra 10.12.3, características de Valentina Studio.

Research paper thumbnail of Investigación de Operaciones

 Población (entidades): Elemento que tiene la característica de la población.  Sistema de cola ... more  Población (entidades): Elemento que tiene la característica de la población.  Sistema de cola (distribución poisson).  Sistema de servidores, ventanilleros (distribución exponencial).

Research paper thumbnail of Search for a supersymmetric partner to the top quark in final states with jets and missing transverse momentum at <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msqrt><mi>s</mi></msqrt></mrow><annotation encoding="application/x-tex">\sqrt{s}</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1.04em;vertical-align:-0.2397em;"></span><span class="mord sqrt"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height:0.8003em;"><span class="svg-align" style="top:-3em;"><span class="pstrut" style="height:3em;"></span><span class="mord" style="padding-left:0.833em;"><span class="mord mathnormal">s</span></span></span><span style="top:-2.7603em;"><span class="pstrut" style="height:3em;"></span><span class="hide-tail" style="min-width:0.853em;height:1.08em;"><svg xmlns="http://www.w3.org/2000/svg" width='400em' height='1.08em' viewBox='0 0 400000 1080' preserveAspectRatio='xMinYMin slice'><path d='M95,702
c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5,-10,-9.5,-14
c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54
c44.2,-33.3,65.8,-50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10
s173,378,173,378c0.7,0,35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429
c69,-144,104.5,-217.7,106.5,-221
l0 -0
c5.3,-9.3,12,-14,20,-14
H400000v40H845.2724
s-225.272,467,-225.272,467s-235,486,-235,486c-2.7,4.7,-9,7,-19,7
c-6,0,-10,-1,-12,-3s-194,-422,-194,-422s-65,47,-65,47z
M834 80h400000v40h-400000z'/></svg></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.2397em;"><span></span></span></span></span></span></span></span></span> = 7 TeV with the ATLAS detector

A search for direct pair production of supersymmetric top squarks (t 1 ) is presented, assuming t... more A search for direct pair production of supersymmetric top squarks (t 1 ) is presented, assuming thet 1 decays into a top quark and the lightest supersymmetric particle,χ 0 1, and that both top quarks decay to purely hadronic final states. A total of 16 (4) events are observed compared to a predicted Standard Model background of 13.5 + 3.7 − 3.6 (4.4 + 1.7 − 1.3 ) events in two signal regions based on L dt = 4.7 fb −1 of pp collision data taken at √ s = 7 TeV with the ATLAS detector at the LHC. An exclusion region in thet 1 versusχ 0 1 mass plane is evaluated: 370 < mt 1 < 465 GeV is excluded for mχ0 1 ∼ 0 GeV while mt 1 = 445 GeV is excluded for mχ0 1 ≤ 50 GeV. Technology, Ankara; (e)

Research paper thumbnail of Search for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detector

Research paper thumbnail of Measurement of the top quark pair cross section with ATLAS in pp collisions at sqrt(s) = 7 TeV using final states with an electron or a muon and a hadronically decaying tau lepton

√ s = 7 TeV using final states with an electron or a muon and a hadronically decaying τ lepton

Research paper thumbnail of Manual de Bases de Datos PostgreSQL

Manual de bases de datos postgresql, ejercicios con respuestas y pasos de instalación.

Research paper thumbnail of Manual de MySql

Contiene sentencias sql, prácticas y modelos entidad relación.

Research paper thumbnail of Manual de Oracle Taller de Bases de Datos

Contiene instalación, disparadores, sentencias, prácticas y modelos relacionales en ORACLE 11g Ex... more Contiene instalación, disparadores, sentencias, prácticas y modelos relacionales en ORACLE 11g Express.

Research paper thumbnail of Valentina Studio on macOS Sierra

Contiene, manual de instalación en macOS Sierra 10.12.3, características de Valentina Studio.

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