La emisora escolar un espacio de interacci?n social para el desarrollo de la oralidad con los estudiantes de sexto a d?cimo grado en la instituci?n educativa t?cnica Panamericana

109 p. Recurso Electr?nicoEl proyecto, la emisora escolar, un espacio de interacci?n social para el desarrollo de la oralidad en los estudiantes de sexto a d?cimo grado en la Instituci?n Educativa T?cnica Panamericana, cuenta con un total de 226 estudiantes, dicha instituci?n se halla ubicada en el municipio de Icononzo Tolima, vereda Boquer?n, cuya poblaci?n se clasifica en los estratos 1 y 2, y sus ingresos econ?micos se basan en el turismo. En la instituci?n se realiz? un proceso de observaci?n e Investigaci?n Acci?n Participativa (IAP) y metodolog?as empleadas como encuestas, entrevistas, diarios de campo aplicadas a grupos focales, evidenciando que los estudiantes presentan dificultades tanto en el ?mbito educativo como social, principalmente falencias relacionadas con el desarrollo de la habilidad oral. Es all? donde el proyecto hace presencia con el objetivo de promover la acci?n participativa en la Instituci?n, implementando actividades como guiones radiales, mon?logos, entrevistas, rueda de prensa, entre otras, por medio de una emisora escolar; generando espacios de comunicaci?n e informaci?n que conlleven al desarrollo y fortalecimiento de la oralidad en los estudiantes, idea apoyada por Kapl?n (1990) cuando afirma ?a la educaci?n por la comunicaci?n?(p 6). Lo anterior conllev? a plantear el siguiente interrogante ?En qu? medida la emisora escolar ?Panamericana al aire? como medio de difusi?n permite a los estudiantes de sexto a d?cimo grado fortalecer la oralidad? Aspecto que permiti? llevar a cabo la puesta en marcha de la emisora escolar en la Instituci?n, contribuyendo de manera pr?ctica al fortalecimiento de la oralidad en los estudiantes.The project, the school radio station: a space of social interaction for the development of the orality in the students of sixth to tenth grade in the Institution Educational Pan-American Technique, has a total of 226 students, the institution is located in the municipality of Icononzo Tolima, sidewalk Fresh anchovy, its population is classified in strata 1 and 2, and its economic revenues are based on the tourism. In the institution he/she was carried out an observation process and investigation action participativa (IAP) and methodologies used as surveys, interviews, field newspapers applied to focal groups, evidencing that the students present difficulties so much in the educational environment as social, mainly falencias related with the development of the oral ability. It is there where the project makes presence with the objective of promoting the action participativa in the Institution, implementation activities like radial scripts, monologues, interviews, it rotates of press, among other, by means of a school radio station; generating communication spaces and information that bear to the development and invigoration of the orality in the students, supported by Kaplun (1990) when he expressed "To the education for the communication"(pg. 1). This permited to us to build the next question about this process: The school radio station "Pan-American to the air" like half of diffusion it allows to the students from sixth to tenth grade to strengthen the orality? This aspect permit to carried out the setting in march of the school radio station in the Institution, contributing from a practical way to the invigoration of the orality in the students. Keywords: Orality, Station school, social interaction, participatory action researc

Bases para la segmentaci?n del mercado homosexual en la ciudad de Lima: un enfoque para el sector de entretenimiento

The homosexual population is an important consumer market for different categories, being the entertainment the most significant. Academic and commercial researchers have addressed this market focusing on developed countries, and considering it a single and homogeneous segment. The following research proposes to set the bases for a segmentation of the homosexual population in Lima, Peru, in order to understand the motives of each identified consumer segment, within the entertainment category. The results allow to identify three segments in the studied population with different demographic, psychographic and behavioral characteristics regarding the consumption of entertainment, which gives rise to different needs and opportunities to satisfy them.La poblaci?n homosexual representa un importante mercado de consumo para diferentes categor?as, destacando entre ellas el entretenimiento. Investigaciones acad?micas y comerciales han abordado este mercado principalmente enfoc?ndose en pa?ses desarrollados, y consider?ndolo como un segmento ?nico y homog?neo. La presente investigaci?n propone sentar las bases para una segmentaci?n de la poblaci?n homosexual en Lima, capital de Per?, orientada a comprender las motivaciones de consumo de cada segmento identificado en el marco de la categor?a entretenimiento. A trav?s de los resultados obtenidos se identificaron tres segmentos en la poblaci?n estudiada con caracter?sticas demogr?ficas, psicogr?ficas y preferencias distintas en cuanto a actividades de entretenimiento, de lo cual se desprenden diferentes necesidades y oportunidades para satisfacerlas

Overexpression of SIRT1 Protects Pancreatic β-Cells Against Cytokine Toxicity by Suppressing the Nuclear Factor-κB Signaling Pathway

OBJECTIVE—SIRT1, a class III histone/protein deacetylase, is known to interfere with the nuclear factor-κB (NF-κB) signaling pathway and thereby has an anti-inflammatory function. Because of the central role of NF-κB in cytokine-mediated pancreatic β-cell damage, we postulated that SIRT1 might work in pancreatic β-cell damage models

K0S and Λ production in Pb-Pb collisions at sNN−−−−√=2.76 TeV

The ALICE measurement of K0S and Λ production at midrapidity in Pb-Pb collisions at sNN−−−√=2.76  TeV is presented. The transverse momentum (pT) spectra are shown for several collision centrality intervals and in the pT range from 0.4  GeV/c (0.6  GeV/c for Λ) to 12  GeV/c. The pT dependence of the Λ/K0S ratios exhibits maxima in the vicinity of 3  GeV/c, and the positions of the maxima shift towards higher pT with increasing collision centrality. The magnitude of these maxima increases by almost a factor of three between most peripheral and most central Pb-Pb collisions. This baryon excess at intermediate pT is not observed in pp interactions at s√=0.9  TeV and at s√=7  TeV. Qualitatively, the baryon enhancement in heavy-ion collisions is expected from radial flow. However, the measured pT spectra above 2  GeV/c progressively decouple from hydrodynamical-model calculations. For higher values of pT, models that incorporate the influence of the medium on the fragmentation and hadronization processes describe qualitatively the pT dependence of the Λ/K0S ratio

phi-Meson production at forward rapidity in p-Pb collisions at root s(NN)=5.02 TeV and in pp collisions at root s=2.76 TeV

The first study of phi-meson production in p-Pb collisions at forward and backward rapidity, at a nucleonnucleon centre-of-mass energy root s(NN)= 5.02 TeV, has been performed with the ALICE apparatus at the LHC. The phi-mesons have been identified in the dimuon decay channel in the transverse momentum (p(T)) range 1 <p(T) <7GeV/c, both in the p-going (2.03 <y <3.53) and the Pb-going (-4.46 <y <-2.96) directions - where ystands for the rapidity in the nucleon-nucleon centre-of-mass - the integrated luminosity amounting to 5.01 +/- 0.19nb(-1) and 5.81 +/- 0.20nb(-1), respectively, for the two data samples. Differential cross sections as a function of transverse momentum and rapidity are presented. The forward-backward ratio for f-meson production is measured for 2.96Peer reviewe

Measurement of the non-prompt D-meson fraction as a function of multiplicity in proton-proton collisions at s \sqrt{s} = 13 TeV

The fractions of non-prompt (i.e. originating from beauty-hadron decays) D0 and D+ mesons with respect to the inclusive yield are measured as a function of the charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy of √s = 13 TeV with the ALICE detector at the LHC. The results are reported in intervals of transverse momentum (pT) and integrated in the range 1 < pT < 24 GeV/c. The fraction of non-prompt D0 and D+ mesons is found to increase slightly as a function of pT in all the measured multiplicity intervals, while no significant dependence on the charged- particle multiplicity is observed. In order to investigate the production and hadronisation mechanisms of charm and beauty quarks, the results are compared to PYTHIA 8 as well as EPOS 3 and EPOS 4 Monte Carlo simulations, and to calculations based on the colour glass condensate including three-pomeron fusion

Inclusive and multiplicity dependent production of electrons from heavy-flavour hadron decays in pp and p-Pb collisions

Measurements of the production of electrons from heavy-flavour hadron decays in pp collisions at root s = 13 TeV at midrapidity with the ALICE detector are presented down to a transverse momentum (p(T)) of 0.2 GeV/c and up to p(T) = 35 GeV/c, which is the largest momentum range probed for inclusive electron measurements in ALICE. In p-Pb collisions, the production cross section and the nuclear modification factor of electrons from heavy-flavour hadron decays are measured in the p(T) range 0.5 < p(T) < 26 GeV/c at root s(NN) = 8.16 TeV. The nuclear modification factor is found to be consistent with unity within the statistical and systematic uncertainties. In both collision systems, first measurements of the yields of electrons from heavy-flavour hadron decays in different multiplicity intervals normalised to the multiplicity-integrated yield (self-normalised yield) at midrapidity are reported as a function of the self-normalised charged-particle multiplicity estimated at midrapidity. The self-normalised yields in pp and p-Pb collisions grow faster than linear with the self-normalised multiplicity. A strong p(T) dependence is observed in pp collisions, where the yield of high-p(T) electrons increases faster as a function of multiplicity than the one of low-p(T) electrons. The measurement in p-Pb collisions shows no p(T) dependence within uncertainties. The self-normalised yields in pp and p-Pb collisions are compared with measurements of other heavy-flavour, light-flavour, and strange particles, and with Monte Carlo simulations

General balance functions of identified charged hadron pairs of (pi,K,p) in Pb-Pb collisions at 2.76 TeV

First measurements of balance functions (BFs) of all combinations of identified charged hadron ( π , K, p) pairs in Pb–Pb collisions at √sNN = 2.76 TeV recorded by the ALICE detector are presented. The BF measurements are carried out as two-dimensional differential correlators versus the relative rapidity (delta-y) and azimuthal angle (delta-φ) of hadron pairs, and studied as a function of collision centrality. The delta-φ dependence of BFs is expected to be sensitive to the light quark diffusivity in the quark–gluon plasma. While the BF azimuthal widths of all pairs substantially decrease from peripheral to central collisions, the longitudinal widths exhibit mixed behaviors: BFs of π π and cross-species pairs narrow significantly in more central collisions, whereas those of KK and pp are found to be independent of collision centrality. This dichotomy is qualitatively consistent with the presence of strong radial flow effects and the existence of two stages of quark production in relativistic heavy-ion collisions. Finally, the first measurements of the collision centrality evolution of BF integrals are presented, with the observation that charge balancing fractions are nearly independent of collision centrality in Pb–Pb collisions. Overall, the results presented provide new and challenging constraints for theoretical models of hadron production and transport in relativistic heavy-ion collisions

Characterizing the initial conditions of heavy-ion collisions at the LHC with mean transverse momentum and anisotropic flow correlations

Correlations between mean transverse momentum and anisotropic flow coefficients or are measured as a function of centrality in Pb–Pb and Xe–Xe collisions at sqrt(sNN) = 5.02 TeV and 5.44 TeV, respectively, with ALICE. In addition, the recently proposed higher-order correlation between [pt], v2, and v3 is measured for the first time, which shows an anticorrelation for the presented centrality ranges. These measurements are compared with hydrodynamic calculations using IP-Glasma and TRENTO initial-state shapes, the former based on the Color Glass Condensate effective theory with gluon saturation, and the latter a parameterized model with nucleons as the relevant degrees of freedom. The data are better described by the IP-Glasma rather than the TRENTO based calculations. In particular, Trajectum and JETSCAPE predictions, both based on the TRENTO initial state model but with different parameter settings, fail to describe the measurements. As the correlations between [pt] and vn are mainly driven by the correlations of the size and the shape of the system in the initial state, these new studies pave a novel way to characterize the initial state and help pin down the uncertainty of the extracted properties of the quark–gluon plasma recreated in relativistic heavy-ion collisions

Hypertriton Production in p-Pb Collisions at √sNN = 5.02 TeV

The study of nuclei and antinuclei production has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic collisions. The first measurement of the production of ${\rm ^{3}_{\Lambda}\rm H}$ in p-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV is presented in this Letter. Its production yield measured in the rapidity interval -1 < y < 0 for the 40% highest multiplicity p-Pb collisions is ${\rm d} N /{\rm d} y =[\mathrm{6.3 \pm 1.8 (stat.) \pm 1.2 (syst.) ] \times 10^{-7}}$. The measurement is compared with the expectations of statistical hadronisation and coalescence models, which describe the nucleosynthesis in hadronic collisions. These two models predict very different yields of the hypertriton in small collision systems such as p-Pb and therefore the measurement of ${\rm d} N /{\rm d} y$ is crucial to distinguish between them. The precision of this measurement leads to the exclusion with a significance larger than 6$\sigma$ of some configurations of the statistical hadronisation, thus constraining the production mechanism of loosely bound states