arXiv subjects

Murilo Rangel

Publications and source records attributed to Murilo Rangel.

5 recordsLinked to original sources

arXiv2016

Experimental aspects of jet physics at LHC

Jet physics provides a powerful tool to investigate interaction properties of quarks and gluons. These studies have been possible at an energy never investigated before at LHC. In this proceedings we review the main characteristics of experimental methods to measure jets in proton-proton collisions at center-of-mass energies of 7 and 8 TeV. Novel methods are expected to play an important role for searching new physics at center-of-mass energy of 13 TeV.

hep-ex↗

arXiv2012

Search for CP violation in B^0 -> J/psi K^0_S decays with first LHCb data

We report a measurement of the CP violation in B^0 -> J/ψK^0_S decays. We perform a time-dependent analysis of the decays reconstructed in 35/pb of LHCb data that was taken in 2010. We measure the CP asymmetry parameter

hep-ex↗

arXiv2010

Soft QCD at Tevatron

Experimental studies of soft Quantum Chromodynamics (QCD) at Tevatron are reported in this note. Results on inclusive inelastic interactions, underlying events, double parton interaction and exclusive diffractive production and their implications to the Large Hadron Collider (LHC) physics are discussed.

hep-ex↗

arXiv2010

Search for a Low Mass Standard Model Higgs Boson at D0 in ppbar Collisions at $\sqrt{s}=1.96 TeV$

We present combined searches for the Low Mass Standard Model Higgs boson at a center-of-mass energy of $\sqrt{s}=$1.96 TeV, using up to 5 fb$^{-1}$ of data collected with the D0 detector at the Fermilab Tevatron collider. The major contributing processes are associated production ($WH\to lνbb$, $ZH\toννbb$, $ZH\to ll bb$). The significant improvements across the full mass range resulting from the larger data sets and improved analyses as well as future prospects are discussed.

hep-ex↗

arXiv2009

Measurement of Z/$γ$+jet+X and $γ$+b/c+X Cross Sections with the D0 Detector

We present measurements of differential cross sections for the inclusive $Z/γ^*$ + jet production and the inclusive photon plus heavy flavor production in a data sample of 1fb$^{-1}$ collected with the DØdetector in proton-antiproton collisions at $\sqrt{s}$=1.96 TeV. In the first measurement, we compare kinematic distributions of the $Z/γ^*$ and the jets as well as various angles of the $Z$+jet system with different Monte Carlo event generators and next-to-leading order perturbative QCD (NLO pQCD) predictions with non-perturbative corrections applied. In the second measurement, we compare the results with NLO pQCD predictions, covering photon transverse momenta 30-150 GeV, photon rapidities $|y^γ| < 1.0$, jet rapidities $|y^{jet}| < 0.8$, and jet transverse momenta $p_{T}^{jet} > 15$ GeV.

hep-ex↗