Explanipedia

Raios Cósmicos e suas conexões com o Clima na Terra Open

A. Massafferri · 2025

Já é consenso entre os cientistas que a contribuição humana na emissão de gases do efeito estufa causou um aumento da temperatura global significativa no último século, com indicações, via simulações, de um aumento da ordem de 5.0°C até 21…

Update of the Brazilian Participation in the Next-Generation Collider Experiments Open

W. L. Aldá Júnior, G. A. Alves, K. Mota Amarilo, M. Barroso Ferreira Filho, C. A. Bernardes , et al. · 2024

This proposal outlines the future plans of the Brazilian High-Energy Physics (HEP) community for upcoming collider experiments. With the construction of new particle colliders on the horizon and the ongoing operation of the High-Luminosity…

From Safeguards Application to Fundamental Physics: Advancements in Reactor Neutrino Detection with the ν-Angra Experiment Open

E. Kemp, Márcio P. de Albuquerque, J. C. Anjos, P. Chimenti, L. F. G. Gonzalez , et al. · 2024

Operating on a surface with high noise rates and requiring susceptible, yet small-scale detectors, the Neutrinos-Angra detector is an excellent platform for technological development and expertise in new detection methods. This report deta…

Measurements of Xi(c)+ branching ratios Open

J. M. Link, P.M. Yager, J. C. Anjos, I. Bediaga, C. Göbel , et al. · 2022

Using data collected by the fixed target Fermilab experiment FOCUS, we measure the branching ratios of the Cabibbo favored decays $\\Xi_c^+ \\to \\Sigma^+K^-\\pi^+$, $\\Xi_c^+ \\to \\Sigma^+ \\bar{K}^{*}(892)^0$, and $\\Xi_c^+ \\to \\Lambd…

SciFi, the new Tracker of the LHCb experiment Open

A. Massafferri · 2020

The LHCb Collaboration is currently in the final stage of constructing an upgraded detector that will allow the experiment to operate at higher luminosities and with a triggerless readout. The main tracking stations—which originally were s…

Testing claims of the GW170817 binary neutron star inspiral affecting β-decay rates Open

P. A. Breur, J.C.P.Y. Nobelen, L. Baudis, A. Brown, A. P. Colijn , et al. · 2020

Brazilian Participation in the Next-Generation Collider Experiments Open

W. L. Aldá Júnior, C. A. Bernardes, D. De Jesus Damião, M. Donadelli, Daniel Ernani Martins Neto , et al. · 2020

This proposal concerns the participation of the Brazilian High-Energy Physics community in the next-generation collider experiments. As the LHC at CERN is getting ready for its third data-taking period, Run 3, with increased centre-of-mass…

LHCb Collaboration Open

I. Bediaga, M. Cruz Torres, J.M. De Miranda, A.C. dos Reis, A. Gomes , et al. · 2019

No correlation between Solar flares and the decay rate of several β-decaying isotopes Open

J. R. Angevaare, L. Baudis, P. A. Breur, A. Brown, A. P. Colijn , et al. · 2018

A precision experiment to investigate long-lived radioactive decays Open

J. R. Angevaare, Peter Barrow, L. Baudis, P. A. Breur, A. Brown , et al. · 2018

Radioactivity is understood to be described by a Poisson process, yet some\nmeasurements of nuclear decays appear to exhibit unexpected variations.\nGenerally, the isotopes reporting these variations have long half lives, which\nare plague…

Summary of the 2015 LHCb workshop on multi-body decays of D and B mesons Open

J. H. Alvarenga Nogueira, S. Amato, A. Austregesilo, C. Baesso, Ignacio Bediaga Hickman , et al. · 2016

This document contains a summary of the LHCb workshop on multi-body decays of D and B mesons, held at CBPF, Rio de Janeiro, in July 2015. The workshop was focused on issues related to amplitude analysis of three- and four-body hadronic dec…

Summary of the 2015 LHCb workshop on multi-body decays of D and B mesons Open

S. Amato, A. Austregesilo, C. Baesso, E. Ben Haim, I. I. Bigi , et al. · 2016

This document contains a summary of the LHCb workshop on multi-body decays of D and B mesons, held at CBPF, Rio de Janeiro, in July 2015. The workshop was focused on issues related to amplitude analysis of three- and four-body hadronic dec…

Search for a light Higgs resonance in radiative decays of the ϒ(1S) with a charm tag Open

L.F. Thompson, V. Poireau, V. Tisserand, E. Graugés, A. Palano , et al. · 2015

A search is presented for the decay (1S)→γA0, A0→cc¯, where A0 is a candidate for the CP-odd Higgs boson of the next-to-minimal supersymmetric standard model. The search is based on data collected with the BABAR detector at the (2S) resona…

Observation of the baryonic decay [bar over B][superscript 0 → Λ[+ over c][bar over p]K[superscript -]K[superscript +] Open

L.F. Thompson, V. Poireau, V. Tisserand, E. Graugés, A. Palano , et al. · 2015

We report the observation of the baryonic decay [bar over B][superscript 0 → Λ[+ over c][bar over p]K[superscript -]K[superscript +] using a data sample of 471 × 10[superscript 6] B[bar over B] pairs produced in e[superscript +]e[superscri…

Bottomonium spectroscopy and radiative transitions involving the χ[subscript bJ](1P,2P) states at BaBar Open

V. Poireau, V. Tisserand, E. Graugés, A. Palano, G. Eigen , et al. · 2015

We use (121 ± 1) million Υ(3S) and (98 ± 1) million Υ(2S) mesons recorded by the BABAR detector at the PEP-II e[superscript +]e[superscript -] collider at SLAC to perform a study of radiative transitions involving the χ[subscript bJ](1P,2P…

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