Miracle-dz/UniFAR-FTUs huggingface dataset:
Precision measurements of g 1 of the proton and of the deuteron with 6 GeV electrons

The inclusive polarized structure functions of the proton and deuteron, g(1)(p) and g(1)(d) , were measured with high statistical precision using polarized 6 GeV electrons incident on a polarized ammonia target in Hall B at Jefferson Laboratory. Electrons scattered at laboratory angles between 18 and 45 degrees were detected using the CEBAF Large Acceptance Spectrometer (CLAS). For the usual deep inelastic region kinematics, Q(2) > 1 GeV2 and the final-state invariant mass W > 2 GeV, the ratio of polarized to unpolarized structure functions g(1)/F-1 is found to be nearly independent of Q(2) at fixed x. Significant resonant structure is apparent at values of W up to 2.3 GeV. In the framework of perturbative quantum chromodynamics, the high-W results can be used to better constrain the polarization of quarks and gluons in the nucleon, as well as high-twist contributions.
Inadmissible estimators of normal quantiles and two-sample problems with additional information

: We consider estimation problem of a normal quantile μ + ησ . For the scale invariant squared error loss and unrestricted values of the population mean and standard deviation μ and σ , [13] established the inadmissibility of the MRE estimator for η (cid:3) = 0. In this paper, we explore: (i) the impact of the loss with the study of scale invariant absolute value loss, and (ii) situations where there is a parameter space restriction of a lower bounded mean μ . We establish(i)the inadmissibility of the MRE estimator of μ + ησ ; η (cid:3) = 0; under scale invariant absolute value loss; (ii) the inadmissibility of the Generalized Bayes estimator of μ + ησ ; η > 0; under scale invariant squared error loss, associated with the prior measure 1 (0 , ∞ ) ( μ )1 (0 , ∞ ) ( σ ) which represents the truncation of the usual non- informative prior measure onto the restricted parameter space. Both of these results are obtained through a conditional risk analysis and may be viewed as extensions of [13]. Finally, we provide further applications to two-sample problems under the presence of the additional information of ordered means. on the ordering of the means, and (ii) the quantile estimation settings of Section 4 with a lower bounded mean. We show that any dominance or admissibility result under the squared error loss in (ii) translates into a companion result in (i) and vice-versa.
Seismological challenges for stellar structure

Helioseismology has provided very detailed information about the solar interior, and extensive data on a large number of stars, although at less detail, are promised by the ongoing and upcoming asteroseismic projects. In the solar case there remain serious challenges in understanding the inferred solar structure, particularly in the light of the revised determinations of the solar surface composition. Also, a secure understanding of the origins of solar rotation as inferred from helioseismology, both in the radiative interior and in the convection zone, is still missing. In the stellar case challenges are certain to appear as the data allow more detailed inferences of the properties of stellar cores. Large remaining uncertainties in modelling concern the properties of convective cores and other processes that may cause mixing. As a result of developing asteroseismic signatures addressing these and other issues, we can look forward to a highly challenging, and hence exciting, era of stellar astrophysics (© 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
The Therapeutic Use of Impella Device in Cardiogenic Shock: A Systematic Review

Impella (Abiomed, Danvers, MA) devices nowadays have been linked to cardiogenic shock (CS) due to the importance of their use as therapeutic instruments. This study aims to review pathophysiologic mechanisms of cardiogenic shock and the implementation of Impella to overcome this condition. To investigate several different types of studies and analyze the use of Impella device in cardiogenic shock and the outcomes of heart malfunctioning and determine its positive and negative impacts as a therapeutic tool in cardiac ischemia and use as a resource in critical patients, we conducted a systematic review through different databases (PubMed, ScienceDirect, and Google Scholar) following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist and used the Medical Subjects Heading (MeSH) search strategy to obtain significant articles. We found 883 papers in total, and after removing duplicates, applying inclusion/exclusion criteria, and finding the most significant information, we ended up with 30 articles that were reviewed containing information about the impact of Impella device in cardiogenic shock in different locations. The study strongly concludes that Impella device in the setting of cardiogenic shock has more advantages than disadvantages in terms of outcomes and complications as a non-pharmacologic tool. Improvements in left ventricular ejection fraction and signs and symptoms of cardiogenic shock criteria were determinants. Nevertheless, complications during the implementation and use of the device were established; in this manner, the evaluation and treatment of each patient separately are imperative. Consequently, more studies on this relevant topic are needed.
Microbial Remediation of some Heavy Metals in Wastewaters of Lake Manzala, Egypt

Water pollution is a worldwide problem (Ki et al., 2019). Pollution from heavy metals is considered particularly pernicious since these contaminants do not break down into less harmful forms and are poisonous to many different kinds of life (Ismail & Hettiarachchi, 2017). A major hazard to the environment and public health is posed by the accumulation of heavy metals in food systems (Mandour, 2021). Heavy metals, such as Fe, Mn, Cu, Pb, Cd, and Zn are required by biota at trace levels and are recommended as daily dietary supplements. Manzala Lake is the Nile delta's largest shallow lake, located at latitudes (31°10" to 31°40" N) and longitudes (31°50" to ARTICLE INFO ABSTRACT Article History: Received: Aug. 15, 2022 Accepted: Sept. 9, 2022 Online: Oct. 1, 2022 _______________
Cytotoxicity Assessments of Portulaca Oleracea Plant Extracts on Some Cancer Cells

The present study was designed to investigated the chemical composition, aqueous extracts bioactive compounds and biological activities of Portulaca oleracea (PO) on human liver cancer (HepG2), human kidney cancer (Uo-31) cell lines and normal human lung cell lines (Wi-38) and compared with staurosparine (STA) as anticancer drug were evaluated. The obtained results the chemical composition of Portulaca oleracea powder was characterized with high protein, ash and total carbohydrate, which amounted in 15.07±0.01, 28.29±0.05 and 40.82±0.60% on D.W, respectively. The anticancer activity of extracts of Portulaca oleracea on three cancer cells line were exposed to various concentrations (0.4- 1.6- 6.3- 25- 100 μg /mL) for 24h. Percentages of cells viability were analyzed by (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT)). From the obtained results showed that PO induced statistically significant (p<0.001) decrease in the cell viability of HepG2 cells in a concentration dependent manner. The HepG2 cells exposed to PO at 100 μg/mL and lower concentrations were found to be cytotoxic. The cells viability of (STA/HepG2) was recorded as 32.70, 42.94, 51.40, 60.44 and 66.67% at concentrations 100, 25, 6.3, 1.6 and 0.4 μg/mL of PO, respectively. The cell viability (S1/HepG2) was recorded as 22.98, 29.56, 38.71, 46.89 and 59.29% at the same concentrations above, respectively. While, the decrease in the cell viability at 0.4, 1.6, 6.3, 25 and 100 μg/mL of PO extract was recorded to be 73.62, 65.27, 55.52,45.74 and 34.26% for (STA/UO-31) and 78.62, 70.51, 61.88, 52.49 and 38.24% for (S1/UO-31 cells), respectively. On the other hand, the normal cells line for (WI-38 cells) showed the heighest in the cell viability in a concentration dependent manner. The data from this study showed that exposure to extract of Portulaca oleracea resulted in significant cytotoxicity and inhibition of growth of the human liver cancer (HepG2) and human kidney cancer (UO-31) cells lines. From the obtained results, it can be concluded that Portulaca oleracea extracts were a significantly reduced cell viability of HepG2 and Uo-31 cells in a concentration-dependent manner. HepG2 cells were also found to be more sensitive to PO extract, according to the findings.
A numerical study of the transition to oscillatory flow in 3D lid-driven cubic cavity flows

In this article, three dimensional (3D) lid-driven cubic cavity flows have been studied numerically for various values of Reynolds number ($Re$). The numerical solution of the Navier-Stokes equations modeling incompressible viscous fluid flow in a cubic cavity is obtained via a methodology combining a first order accurate operator-splitting, $L^2$-projection Stokes solver, a wave-like equation treatment of the advection and finite element methods. The numerical results obtained for Re$=$400, 1000, and 3200 show a good agreement with available numerical and experimental results in literature. Simulation results predict that the critical Re$_{cr}$ for the transition from steady flow to oscillatory (a Hopf bifurcation) is somewhere in [1870, 1875] for the mesh size $h=1/96$. Via studying the flow field distortion of fluid flow at Re before and after Re$_{cr}$, the occurrence of the first pair of Taylor-G\"ortler-like vortices is connected to the flow field distortion at the transition from steady flow to oscillatory flow in 3D lid-driven cubic cavity flows for Re $< 2000$.
The first IRAM/PdBI polarimetric millimeter survey of active galactic nuclei - II. Activity and properties of individual sources

We present an analysis of the linear polarization of six active galactic nuclei – 0415+379 (3C 111), 0507+179, 0528+134 (OG+134), 0954+658, 1418+546 (OQ+530), and 1637+574 (OS+562). Our targets were monitored from 2007 to 2011 in the observatory-frame frequency range 80–253 GHz, corresponding to a rest-frame frequency range 88–705 GHz. We find average degrees of polarization mL ≈ 2−7%; this indicates that the polarization signals are effectively averaged out by the emitter geometries. From a comparison of the fluctuation rates in flux and degree of polarization we conclude that the spatial scales relevant for polarized emission are of the same order of, but probably not smaller than, the spatial scales relevant for the emission of the total flux. We see indication for fairly strong shocks and/or complex, variable emission region geometries in our sources, with compression factors 10 ◦ . An analysis of correlations between source fluxes and polarization parameter points out special cases: the presence of (at least) two distinct emission regions with different levels of polarization (for 0415+379) as well as emission from a single, predominant component (for 0507+179 and 1418+546). Regarding the evolution of flux and polarization, we find good agreement between observations and the signal predicted by “oblique shock in jet” scenarios in one source (1418+546). We attempt to derive rotation measures for all sources, leading to actual measurements for two AGN and upper limits for three sources. We derive values of RM = (−39 ± 1stat ± 13sys) × 10 3 rad m −2 and RM = (42 ± 1stat ± 11sys) × 10 4 rad m −2 for 1418+546 and 1637+574, respectively; these are the highest values reported to date for AGN. These values indicate magnetic field strengths of the order ∼10 −4 G. For 0415+379, 0507+179, and 0954+658 we derive upper limits |RM| < 1.7 × 10 4 rad m −2 . From the relation |RM |∝ ν a we find a = 1.9 ± 0.3 for 1418+546, in good agreement with a = 2 as expected for a spherical or conical outflow.
LEVEL OF KNOWLEDGE AND COMPLIANCE WITH PERSONAL PROTECTIVE EQUIPMENT USE IN HEALTHCARE WORKERS

Background: The effort to control and prevent COVID-19 in health facilities is to optimize the use of Personal Protective Equipment (PPE) according to guidelines set by the government. The compliance of healthcare workers using the specified PPE will affect the control and prevention of the COVID-19 pandemic. Purpose: The study aims to measure the prevalence of COVID-19 in healthcare workers and to find out an overview of knowledge level and compliance with the use of PPE among healthcare workers in East Java Province during the COVID-19 pandemic. Methods: This research was an observational study with a descriptive cross-sectional design. The study population was around 183,501 healthcare workers in East Java Province, with criteria of healthcare workers who worked during the COVID-19 pandemic and were willing to be respondents. This study used a probability sampling method with a simple random sampling technique consisting of 129 healthcare workers. The variables used were knowledge level, compliance with the use of PPE, and the history of COVID-19 infection. Primary data have collected by an online questionnaire platform from September 3rd, 2020 to September 12th, 2020. Results: The prevalence of COVID-19 among healthcare workers in East Java was 6.20%, and all the healthcare workers infected with COVID-19 have a good level of knowledge and compliance with the use of PPE in health facilities. Conclusion: Most healthcare workers have good knowledge and compliance with using PPE.
Sharp conditional bounds for moments of the Riemann zeta function

We prove, assuming the Riemann Hypothesis, that \int_{T}^{2T} |\zeta(1/2+it)|^{2k} dt \ll_{k} T log^{k^{2}} T for any fixed k \geq 0 and all large T. This is sharp up to the value of the implicit constant. Our proof builds on well known work of Soundararajan, who showed, assuming the Riemann Hypothesis, that \int_{T}^{2T} |\zeta(1/2+it)|^{2k} dt \ll_{k,\epsilon} T log^{k^{2}+\epsilon} T for any fixed k \geq 0 and \epsilon > 0. Whereas Soundararajan bounded \log|\zeta(1/2+it)| by a single Dirichlet polynomial, and investigated how often it attains large values, we bound \log|\zeta(1/2+it)| by a sum of many Dirichlet polynomials and investigate the joint behaviour of all of them. We also work directly with moments throughout, rather than passing through estimates for large values.
The effect of pair-instability mass loss on black-hole mergers

Context. Mergers of two stellar-origin black holes are a prime source of gravitational waves and are under intensive investigation. One crucial ingredient in their modeling has been neglected: pair-instability pulsation supernovae with associated severe mass loss may suppress the formation of massive black holes, decreasing black-hole-merger rates for the highest black-hole masses. Aims. We demonstrate the effects of pair-instability pulsation supernovae on merger rate and mass using populations of double black-hole binaries formed through the isolated binary classical evolution channel. Methods. The mass loss from pair-instability pulsation supernova is estimated based on existing hydrodynamical calculations. This mass loss is incorporated into the StarTrack population synthesis code. StarTrack is used to generate double black-hole populations with and without pair-instability pulsation supernova mass loss. Results. The mass loss associated with pair-instability pulsation supernovae limits the Population I/II stellar-origin black-hole mass to 50 M ⊙ , in tension with earlier predictions that the maximum black-hole mass could be as high as 100 M ⊙ . In our model, neutron stars form with mass 1−2 M ⊙ . We then encounter the first mass gap at 2−5 M ⊙ with the compact object absence due to rapid supernova explosions, followed by the formation of black holes with mass 5−50 M ⊙ , with a second mass gap at 50−135 M ⊙ created by pair-instability pulsation supernovae and by pair-instability supernovae. Finally, black holes with masses above 135 M ⊙ may potentially form to arbitrarily high mass limited only by the extent of the initial mass function and the strength of stellar winds. Suppression of double black-hole-merger rates by pair-instability pulsation supernovae is negligible for our evolutionary channel. Our standard evolutionary model, with the inclusion of pair-instability pulsation supernovae and pair-instability supernovae, is fully consistent with the Laser Interferometric Gravitational-wave Observatory (LIGO) observations of black-hole mergers: GW150914, GW151226, and LVT151012. The LIGO results are inconsistent with high (≳ 400 km s -1 ) black hole (BH) natal kicks. We predict the detection of several, and up to as many as ~60, BH-BH mergers with a total mass of 10−150 M ⊙ (most likely range: 20−80 M ⊙ ) in the forthcoming ~60 effective days of the LIGO O2 observations, assuming the detectors reach the optimistic target O2 sensitivity.
Sequential Monte Carlo Filters and Integrated Navigation

In this thesis we consider recursive Bayesian estimation in general, and sequential Monte Carlo filters in particular, applied to integrated navigation. Based on a large number of simulations of the model, the sequential Monte Carlo filter, also referred to as particle filter, provides an empirical estimate of the full posterior probability density of the system. The particle filter provide a solution to the general nonlinear, non-Gaussian filtering problem. The more nonlinear system, or the more non-Gaussian noise, the more potential particle filters have.Although very promising even for high-dimensional systems, sequential Monte Carlo methods suer from being more or less computer intensive. However, many systems can be divided into two parts, where the first part is nonlinear and the second is (almost) linear conditionally upon the first. By applying the particle filter only on the severly nonlinear part of lower dimension, the computational load can be significantly reduced. For the remaining conditionally (almost) linear partwe apply (linearized) linear filters, such as the (extended) Kalman filter. From a Bayesian point of view, the result from the different filters can be seen as marginal posterior probability densities. The full posterior density is then computed by combining the results from the separate filters using Bayes' rule. The technique of marginalising the complete posterior density and solve the linear parts analytically is referred to as Rao-Blackwellization.The application considered here is integrated aircraft navigation. Integrated navigation refers to the combination of outputs from two or more navigation sensors to yield a more accurate and reliable overall solution. The sensors we are dealing with are inertial navigation and terrain-aided positioning, meaning that we combine two systems which are high-dimensional and highly nonlinear respectively. The integrated navigation application is a typical system which consists of both linearand nonlinear elements. We show that by applying the efficent particle filter based on Rao-Blackwellization we obtain nearly optimal accuracy for a tractable amount of computational load.
MEASUREMENTS OF COSMIC-RAY HYDROGEN AND HELIUM ISOTOPES WITH THE PAMELA EXPERIMENT

The cosmic-ray hydrogen and helium (1H, 2H, 3He, 4He) isotopic composition has been measured with the satellite-borne experiment PAMELA, which was launched into low-Earth orbit on board the Resurs-DK1 satellite on 2006 June 15. The rare isotopes 2H and 3He in cosmic rays are believed to originate mainly from the interaction of high-energy protons and helium with the galactic interstellar medium. The isotopic composition was measured between 100 and 1100 MeV/n for hydrogen and between 100 and 1400 MeV/n for helium isotopes using two different detector systems over the 23rd solar minimum from 2006 July to 2007 December.
Reversal of infall in SgrB2(M) revealed by Herschel/HIFI observations of HCN lines at THz frequencies

Aims. To investigate the accretion and feedback processes in massive star formation, we analyze the shapes of emission lines from hot molecular cores, whose asymmetries trace infall and expansion motions. Methods. The high-mass star forming region SgrB2(M) was observed with Herschel/HIFI (HEXOS key project) in various lines of HCN and its isotopologues, complemented by APEX data. The observations are compared to spherically symmetric, centrally heated models with density power-law gradient and different velocity fields (infall or infall+expansion), using the radiative transfer code RATRAN. Results. The HCN line profiles are asymmetric, with the emission peak shifting from blue to red with increasing J and decreasing line opacity (HCN to (HCN)-C-13). This is most evident in the HCN 12-11 line at 1062 GHz. These line shapes are reproduced by a model whose velocity field changes from infall in the outer part to expansion in the inner part. Conclusions. The qualitative reproduction of the HCN lines suggests that infall dominates in the colder, outer regions, but expansion dominates in the warmer, inner regions. We are thus witnessing the onset of feedback in massive star formation, starting to reverse the infall and finally disrupting the whole molecular cloud. To obtain our result, the THz lines uniquely covered by HIFI were critically important.
Experimental Sleep Deprivation Results in Diminished Perceptual Stability Independently of Psychosis Proneness

Psychotic disorders as well as psychosis proneness in the general population have been associated with perceptual instability, suggesting weakened predictive processing. Sleep disturbances play a prominent role in psychosis and schizophrenia, but it is unclear whether perceptual stability diminishes with sleep deprivation, and whether the effects of sleep deprivation differ as a function of psychosis proneness. In the current study, we aimed to clarify this matter. In this preregistered study, 146 participants successfully completed an intermittent version of the random dot kinematogram (RDK) task and the 21-item Peters Delusion Inventory (PDI-21) to assess perceptual stability and psychosis proneness, respectively. Participants were randomized to sleep either as normal (8 to 9 h in bed) (n = 72; Mage = 24.7, SD = 6.2, 41 women) or to stay awake through the night (n = 74; Mage = 24.8, SD = 5.1, 44 women). Sleep deprivation resulted in diminished perceptual stability, as well as in decreases in perceptual stability over the course of the task. However, we did not observe any association between perceptual stability and PDI-21 scores, nor a tendency for individuals with higher PDI-21 scores to be more vulnerable to sleep-deprivation-induced decreases in perceptual stability. The present study suggests a compromised predictive processing system in the brain after sleep deprivation, but variation in psychosis trait is not related to greater vulnerability to sleep deprivation in our dataset. Further studies in risk groups and patients with psychosis are needed to evaluate whether sleep loss plays a role in the occurrence of objectively measured perceptual-related clinical symptoms.
No WIMP mini-spikes in dwarf spheroidal galaxies

The formation of black holes inevitably affects the distribution of dark and baryonic matter in their vicinity, leading to an enhancement of the dark matter density, called spike, and if dark matter is made of WIMPs, to a strong enhancement of the dark matter annihilation rate. Spikes at the center of galaxies like the Milky Way are efficiently disrupted by baryonic processes, but mini-spikes can form and survive undisturbed at the center of dwarf spheroidal galaxies. We show that Fermi LAT satellite data allow to set very stringent limits on the existence of mini-spikes in dwarf galaxies: for thermal WIMPs with mass between 100 GeV and 1 TeV, we obtain a maximum black hole mass between 100 and 1000 M⊙, ruling out black holes masses extrapolated from the M-σ relationship in a large region of the parameter space. We also performed Monte Carlo simulations of merger histories of black holes in dwarf spheroidals in a scenario where black holes form from the direct collapse of primordial gas in early halos, and found that this specific formation scenario is incompatible at the 84% CL with dark matter being in the form of thermal WIMPs.