Universidade Federal do Rio de Janeiro

output

19932026

most citedObservation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC

10.9k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2017Show all

309 papers · 1 filter

hep-ex2017★ 19 cited

Amplitude analysis of the decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ and first observation of the CP asymmetry in $B^{0} \to K^{*} (892)^{-} π^{+}$

LHCb collaboration, R. Aaij, B. Adeva +794

The time-integrated Dalitz plot of the three-body hadronic charmless decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ is studied using a $pp$ collision data…

cs.DM2017★ 8 cited

The graph tessellation cover number: extremal bounds, efficient algorithms and hardness

A. Abreu, L. Cunha, T. Fernandes +5

A tessellation of a graph is a partition of its vertices into vertex disjoint cliques. A tessellation cover of a graph is a set of tessellations that covers all of its edges. The $…

astro-ph.SR2017★ 33 cited

First results from the LIFE project: discovery of two magnetic hot evolved stars

A. J. Martin, C. Neiner, M. E. Oksala +6

We present the initial results of the Large Impact of magnetic Fields on the Evolution of hot stars (LIFE) project. The focus of this project is the search for magnetic fields in e…

hep-th2017★ 18 cited

Two-dimensional Yukawa interaction driven by a nonlocal-Proca quantum electrodynamics

Van Sérgio Alves, Tommaso Macrì, Gabriel C. Magalhães +2

We derive two versions of an effective model to describe dynamical effects of the Yukawa interaction among Dirac electrons in the plane. Such short-range interaction is obtained by…

physics.optics2017★ 32 cited

Electromagnetic energy and negative asymmetry parameter in coated magneto-optical cylinders: Applications to tunable light transport in disordered systems

Tiago J. Arruda, Alexandre S. Martinez, Felipe A. Pinheiro

We investigate electromagnetic scattering of normally irradiated gyrotropic, magneto-optical core-shell cylinders using Lorenz-Mie theory. A general expression for time-averaged el…

cond-mat.str-el2017★ 68 cited

Phonon dispersion and the competition between pairing and charge order

Natanael C. Costa, T. Blommel, W. -T. Chiu +2

The Holstein Model (HM) describes the interaction between fermions and a collection of local (dispersionless) phonon modes. In the dilute limit, the phonon degrees of freedom dress…

cond-mat.str-el2017★ 70 cited

Adequacy of Si:P Chains as Fermi-Hubbard Simulators

Amintor Dusko, Alain Delgado, André Saraiva +1

The challenge of simulating many-body models with analogue physical systems requires both experimental precision and very low operational temperatures. Atomically precise placement…

gr-qc2017★ 2 cited

A nearly cylindrically symmetric source in the Brans-Dicke gravity as the generator of the rotational curves of the galaxies

S. Mittmann dos Santos, J. M. Hoff da Silva, M. E. X. Guimarães +1

Observation shows that the velocities of stars grow by approximately 2 to 3 orders of magnitude when the distances from the centers of the galaxies are in the range of $0.5$ kpc to…

nucl-th2017★ 2 cited

Isotopic dependence of the fragments' internal temperatures observed in multifragment emission

S. R. Souza, R. Donangelo

The internal temperatures of fragments produced by an excited nuclear source are investigated using the microcanonical version of the Statistical Multifragmentation Model, with dis…

hep-ex2017

CP violation in $b$ hadrons at LHCb

A. Hicheur

The most recent results on CP violation in $b$ hadrons obtained by the LHCb Collaboration with Run I and years 2015-2016 of Run II are reviewed. The different types of violation ar…

quant-ph2017★ 36 cited

Experimental investigation of enviroment--induced entanglement using an all--optical setup

M. H. M. Passos, W. F. Balthazar, A. Z. Khoury +3

We investigate the generation of entanglement between two non interacting qubits coupled to a common reservoir. An experimental setup was conceived to encode one qubit on the polar…

astro-ph.GA2017★ 20 cited

Dynamical equivalence, the origin of the Galactic field stellar and binary population, and the initial radius--mass relation of embedded clusters

Diogo Belloni, Pavel Kroupa, Helio J. Rocha-Pinto +1

In order to allow a better understanding of the origin of Galactic field populations, dynamical equivalence of stellar-dynamical systems has been postulated by Kroupa and Belloni e…

hep-ex2017★ 104 cited

Search for the Standard Model Higgs boson produced in association with top quarks and decaying into a $b b ˉ$ pair in $pp$ collisions at $s$ = 13 TeV with the ATLAS detector

ATLAS Collaboration

A search for the Standard Model Higgs boson produced in association with a top-quark pair, $t t ˉ H$ , is presented. The analysis uses 36.1 fb $^{- 1}$ of $pp$ collision data at $\s…

hep-ex2017★ 151 cited

Evidence for the associated production of the Higgs boson and a top quark pair with the ATLAS detector

ATLAS Collaboration

A search for the associated production of the Higgs boson with a top quark pair ( $t t ˉ H$ ) is reported. The search is performed in multilepton final states using a dataset corre…

hep-ex2017★ 20 cited

First measurement of the $C P$ -violating phase $ϕ_{s}^{d d}$ in $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays

LHCb collaboration, R. Aaij, B. Adeva +793

A flavour-tagged decay-time-dependent amplitude analysis of $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays is presented in the $K^{\pm} π^{\mp}$ mass range from 750 to 1600 MeV $/ c^{2}$ . The analys…

quant-ph2017★ 14 cited

Quantum steering beyond instrumental causal networks

R. V. Nery, M. M. Taddei, R. Chaves +1

We theoretically predict, and experimentally verify with entangled photons, that outcome communication is not enough for hidden-state models to reproduce quantum steering. Hidden-s…

hep-ex2017★ 39 cited

Studies of the resonance structure in $D^{0} \to K^{\mp} π^{\pm} π^{\pm} π^{\mp}$ decays

LHCb collaboration, R. Aaij, B. Adeva +791

Amplitude models are constructed to describe the resonance structure of $D^{0} \to K^{-} π^{+} π^{+} π^{-}$ and $D^{0} \to K^{+} π^{-} π^{-} π^{+}$ decays using $pp$ collision data co…

hep-ex2017★ 35 cited

Evidence for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +791

A search for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$ is performed using $pp$ collision data recorded by the LHCb experiment at centre-of-mass energies $s = 7$ and $8$ TeV, corres…

math.AP2017★ 7 cited

On the well posedness and large-time behavior of higher order Boussinesq system

R. A. Capistrano-Filho, F. A. Gallego, A. F. Pazoto

A family of Boussinesq systems has been proposed to describe the bi-directional propagation of small amplitude long waves on the surface of shallow water. In this paper, we investi…

hep-ex2017★ 123 cited

Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for electroweak production of supersymmetric particles in scenarios with compressed mass spectra in final states with two low-momentum leptons and missing transverse momen…

hep-ex2017★ 33 cited

Search for the rare decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +792

A search for the flavor-changing neutral-current decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$ is reported using a data set corresponding to an integrated luminosity of $3.0 f b^{- 1}$ collected…

physics.ins-det2017★ 13 cited

MARTA: A high-energy cosmic-ray detector concept with high-accuracy muon measurement

P. Abreu, S. Andringa, P. Assis +42

A new concept for the direct measurement of muons in air showers is presented. The concept is based on resistive plate chambers (RPCs), which can directly measure muons with very g…

hep-ex2017★ 21 cited

Measurement of the inclusive and fiducial $t t ˉ$ production cross-sections in the lepton+jets channel in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

ATLAS Collaboration

The inclusive and fiducial $t t ˉ$ production cross-sections are measured in the lepton+jets channel using 20.2 fb $^{- 1}$ of proton-proton collision data at a centre-of-mass ene…

hep-ex2017★ 96 cited

Search for heavy resonances decaying into a $W$ or $Z$ boson and a Higgs boson in final states with leptons and $b$ -jets in 36 fb $^{- 1}$ of $s = 13$ TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

A search is conducted for new resonances decaying into a $W$ or $Z$ boson and a 125 GeV Higgs boson in the $ν ν ˉ b b ˉ$ , $ℓ^{\pm} ν b b ˉ$ , and $ℓ^{+} ℓ^{-} b b ˉ$ final…

Amplitude analysis of the decay B0→KS0​π+π− and first observation of the CP asymmetry in B0→K∗(892)−π+

The graph tessellation cover number: extremal bounds, efficient algorithms and hardness

First results from the LIFE project: discovery of two magnetic hot evolved stars

Two-dimensional Yukawa interaction driven by a nonlocal-Proca quantum electrodynamics

Electromagnetic energy and negative asymmetry parameter in coated magneto-optical cylinders: Applications to tunable light transport in disordered systems

Phonon dispersion and the competition between pairing and charge order

Adequacy of Si:P Chains as Fermi-Hubbard Simulators

A nearly cylindrically symmetric source in the Brans-Dicke gravity as the generator of the rotational curves of the galaxies

Isotopic dependence of the fragments' internal temperatures observed in multifragment emission

CP violation in b hadrons at LHCb

Experimental investigation of enviroment--induced entanglement using an all--optical setup

Dynamical equivalence, the origin of the Galactic field stellar and binary population, and the initial radius--mass relation of embedded clusters

Search for the Standard Model Higgs boson produced in association with top quarks and decaying into a bbˉ pair in pp collisions at s​ = 13 TeV with the ATLAS detector

Evidence for the associated production of the Higgs boson and a top quark pair with the ATLAS detector

First measurement of the CP-violating phase ϕsdd​ in Bs0​→(K+π−)(K−π+) decays

Quantum steering beyond instrumental causal networks

Studies of the resonance structure in D0→K∓π±π±π∓ decays

Evidence for the rare decay Σ+→pμ+μ−

On the well posedness and large-time behavior of higher order Boussinesq system

Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at s​=13 TeV with the ATLAS detector

Search for the rare decay Λc+​→pμ+μ−

MARTA: A high-energy cosmic-ray detector concept with high-accuracy muon measurement

Measurement of the inclusive and fiducial ttˉ production cross-sections in the lepton+jets channel in pp collisions at s​=8 TeV with the ATLAS detector

Search for heavy resonances decaying into a W or Z boson and a Higgs boson in final states with leptons and b-jets in 36 fb−1 of s​=13 TeV pp collisions with the ATLAS detector

Amplitude analysis of the decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ and first observation of the CP asymmetry in $B^{0} \to K^{*} (892)^{-} π^{+}$

CP violation in $b$ hadrons at LHCb

Search for the Standard Model Higgs boson produced in association with top quarks and decaying into a $b b ˉ$ pair in $pp$ collisions at $s$ = 13 TeV with the ATLAS detector

First measurement of the $C P$ -violating phase $ϕ_{s}^{d d}$ in $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays

Studies of the resonance structure in $D^{0} \to K^{\mp} π^{\pm} π^{\pm} π^{\mp}$ decays

Evidence for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$

Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at $s = 13$ TeV with the ATLAS detector

Search for the rare decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$

Measurement of the inclusive and fiducial $t t ˉ$ production cross-sections in the lepton+jets channel in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

Search for heavy resonances decaying into a $W$ or $Z$ boson and a Higgs boson in final states with leptons and $b$ -jets in 36 fb $^{- 1}$ of $s = 13$ TeV $pp$ collisions with the ATLAS detector