H. Hernandez

ORCID: 0000-0001-5751-3470
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About
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Research Areas
  • Quantum Chromodynamics and Particle Interactions
  • Particle physics theoretical and experimental studies
  • High-Energy Particle Collisions Research
  • Petroleum Processing and Analysis
  • Parasites and Host Interactions
  • Hydrocarbon exploration and reservoir analysis
  • Enhanced Oil Recovery Techniques
  • Atomic and Subatomic Physics Research
  • Protein Structure and Dynamics
  • Trypanosoma species research and implications
  • Neutrino Physics Research
  • Lipid Membrane Structure and Behavior
  • Sensory Analysis and Statistical Methods
  • Dark Matter and Cosmic Phenomena
  • Zoonotic diseases and public health
  • Advanced Chemical Sensor Technologies
  • Viral gastroenteritis research and epidemiology
  • Advanced Clustering Algorithms Research
  • Parasitic Diseases Research and Treatment
  • Particle Accelerators and Free-Electron Lasers
  • Supramolecular Self-Assembly in Materials

Engineering (Italy)
2020

Center for Research and Advanced Studies of the National Polytechnic Institute
2002-2005

University of Puerto Rico-Mayaguez
2002-2004

University of Puerto Rico System
2002

The self assembly processes of aromatic amino acids, phenylalanine, tyrosine, and tryptophan have been simulated were observed to form fibril-like aggregates linked certain rare diseases instances biological membrane disruption. Pure systems their mixtures studied systematically at constant temperatures free energy landscapes produced describing the height number assembled monomers associated with lower structures. Consistent some previous work, acid display a tendency arrange four-fold...

10.1039/c8cp06239k article EN Physical Chemistry Chemical Physics 2018-01-01

We present a Kπ mass spectrum analysis of the four-body semileptonic charm decay D+→K−π+μ+ν in range 0.65GeV/c2<mKπ<1.5GeV/c2. observe non-resonant contribution 5.30±0.74−0.96+0.99% with respect to total decay. For K∗(892)0 resonance, we obtain 895.41±0.32−0.43+0.35MeV/c2, width 47.79±0.86−1.06+1.32MeV/c2, and Blatt–Weisskopf damping factor parameter 3.96±0.54−0.90+1.31GeV−1. also report 90% CL upper limits 4% 0.64% for branching ratios Γ(D+→K¯∗(1680)0μ+ν)Γ(D+→K−π+μ+ν)...

10.1016/j.physletb.2005.06.062 article EN cc-by Physics Letters B 2005-06-30

Using a high statistics sample of photo-produced charm particles from the FOCUS experiment at Fermilab, we report on measurement ratio semileptonic rates \Gamma(D+ > ANTI-K pi mu+ nu)/\Gamma(D+ ANTI-K0 nu)= 0.625 +/- 0.045 0.034. Allowing for K S-wave interference measured previously by FOCUS, extract vector to pseudoscalar ANTI-K*0 0.594 0.043 0.033 and K- pi+ pi+)= 1.019 0.076 0.065. Our results show lower \Gamma(D K* \ell nu})/\Gamma(D nu) than has been reported recently indicate current...

10.1016/j.physletb.2004.07.060 article EN cc-by Physics Letters B 2004-08-25

Using a high statistics sample of photo-produced charm particles from the FOCUS experiment at Fermilab, we report results search for eight rare and Standard-Model-forbidden decays: D+, Ds+ > h+/- muon-/+ muon+ (with h=pion or Kaon). Improvement over previous by factor 1.7--14 is realized. Our branching ratio upper limit D+ pion+ muon- 8.8E-6 90% C.L. below current MSSM R-Parity violating constraint.

10.1016/j.physletb.2003.07.079 article EN cc-by Physics Letters B 2003-09-12

Using data collected by the fixed target Fermilab experiment FOCUS, we present several first measurements for semileptonic decay D0→K¯0π−μ+ν. a model that includes K¯0π− s-wave component, measure form factor ratios to be rv=1.71±0.68±0.34 and r2=0.91±0.37±0.10 amplitude A=0.35±0.22±0.05GeV−1. Finally, vector branching ratio Γ(D0→K*(892)−μ+ν)Γ(D0→K¯0π−π+)=0.337±0.034±0.013.

10.1016/j.physletb.2004.12.037 article EN cc-by Physics Letters B 2004-12-24

Using data collected by the fixed target Fermilab experiment FOCUS, we measure branching ratios of Cabibbo favored decays $Ξ_c^+ \to Σ^+K^-π^+$, Σ^+ \bar{K}^{*}(892)^0$, and Λ^0K^-π^+π^+$ relative to Ξ^-π^+π^+$ be $0.91\pm0.11\pm0.04$, $0.78\pm0.16\pm0.06$, $0.28\pm0.06\pm0.06$, respectively. We report first observation suppressed decay Σ^+K^+K^-$ ratio Σ^+K^-π^+$ $0.16\pm0.06\pm0.01$. also set 90% confidence level upper limits for ϕ$ Ξ^*(1690)^0(Σ^+ K^-) K^+$ 0.12 0.05, find an indication...

10.1016/s0370-2693(03)00809-8 article EN cc-by Physics Letters B 2003-09-12

Using data from the FOCUS (E831) experiment at Fermilab, we present a new measurement of branching ratio for Cabibbo-favored decay mode D0→K−K−K+π+. From sample 143±19 fully reconstructed D0→K−K−K+π+ events, measure Γ(D0→K−K−K+π+)/Γ(D0→K−π−π+π+)=0.00257±0.00034(stat.)±0.00024(syst.). A coherent amplitude analysis has been performed to determine resonant substructure this mode. This reveals dominant contribution φ and K∗0(892) states.

10.1016/j.physletb.2003.09.054 article EN cc-by Physics Letters B 2003-10-17

Tyrosine, tryptophan, and phenylalanine are important aromatic amino acids for human health. If they not properly metabolized, severe rare mental or metabolic diseases can emerge, many of which researched enough due to economic priorities. In our previous simulations, all three these discovered be self-organizing have complex aggregations at different temperatures. Two essential stable formations observed during simulations: tubular-like spherical-like structures. this study, we develop...

10.3906/elk-2003-144 article EN TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCES 2020-10-26
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