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Cusp in the Symmetry Energy, Speed of Sound in Neutron Stars and Emergent Pseudo-Conformal Symmetry
[article]
2022
arXiv
pre-print
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We review how the "cusp" predicted in the nuclear symmetry energy generated by a topology change at density n_1/2 2 n_0 can have a surprising consequence, so far unrecognized in nuclear physics and astrophysics ...
We discuss the implication of this on the recent PREX-II "dilemma" in the measured skin thickness of ^208Pb. ...
This point is counter to the nLORE vis-à-vis the PREX-II dilemma. ...
arXiv:2107.01879v4
fatcat:zpf3ftp6kbhibgccc5ftzg4uz4
Uncertainty Estimation in Autoregressive Structured Prediction
[article]
2021
arXiv
pre-print
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Thus, this work aims to investigate uncertainty estimation for autoregressive structured prediction tasks within a single unified and interpretable probabilistic ensemble-based framework. ...
While most research in the area has focused on un-structured prediction tasks, limited work has investigated general uncertainty estimation approaches for structured prediction. ...
by expressing the predictive posterior both as a product-of-expectations (ENS-PrEx) and expectation-of-products (ENS-ExPr). ...
arXiv:2002.07650v5
fatcat:eq2i2iqbv5h2di2frxuiaipzg4
High-resolution surface topographic change analyses to characterize a series of underground explosions
2020
Remote Sensing of Environment
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For the lidar collections, we used a terrestrial lidar scanner to obtain highresolution point clouds and create digital elevation models (DEMs). ...
A B S T R A C T The understanding of subsurface events that cannot be directly observed is dependent on the ability to relate surface-based observations to subsurface processes. ...
The authors thank NNSA, the Office of Defense Nuclear Nonproliferation Research and Development (DNN R&D), and the SPE working group, a ...
doi:10.1016/j.rse.2020.111871
fatcat:35eys2wljrfzbeaogozyzym53a
Latent Inhibition Reduces Nocebo Nausea, Even Without Deception
2017
Annals of Behavioral Medicine
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Methods: We examined this possibility using a Galvanic Vestibular Stimulation (GVS) model of nausea in healthy participants, with pre-exposure to the treatment cues achieved using a placebo version of ...
Nocebo nausea is a debilitating and prevalent side effect that can develop after conditioning occurs between cues present in the treatment context and the experience of nausea. ...
, expectancy on Day 3 predicted a significant amount of the variance in Day 3 nauseous response score, with a one unit increase in expectancy leading to a 1.4unit higher nauseous response score, t(42)= ...
doi:10.1007/s12160-016-9867-8
pmid:28054312
fatcat:bhamhb7subb7vjuz2uo3tzzs7m
Constraining the equation of state of neutron stars with gravitational wave observation
[article]
2018
arXiv
pre-print
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We find only few models can withstand these bounds which predict a stiff overall equation of state but with a soft neutron-proton symmetry energy. ...
The tidal deformability bound of GW170817 combined with the observed 2M_ neutron star poses serious challenge to theoretical formulations of realistic equation of state. ...
However, a definitive data-to-theory comparison would require a substantial reduction in the statistical error as planned in the future PREX-II experiment. ...
arXiv:1809.07108v2
fatcat:dhzp4xefufdg7f4gyklgu34vxq
Vector analyzing power in elastic electron-nucleus scattering
2005
Physical Review C
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The vector analyzing power A_n is calculated for elastic electron scattering from a variety of spin zero nuclei at energies from 14 MeV to 3 GeV. ...
We find that A_n=-0.361 ppm for the kinematics of the Parity Radius Experiment (PREX) involving 850 MeV electrons scattering at six degrees from 208Pb. ...
The Parity Radius Experiment (PREX) [7, 8] aims to measure the neutron radius of 208 Pb accurately and model independently via parity violating electron scattering. ...
doi:10.1103/physrevc.72.034602
fatcat:zgagjkzlw5fxpajhjhyntpytme
Change Detection in a 3-d World
2007
2007 IEEE Conference on Computer Vision and Pattern Recognition
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due to occlusion and un-modeled 3-d scene geometry (egomotion parallax). ...
To the authors' knowledge, this paper is the first to address the change detection problem in such a general framework. ...
For a sometimes occluded surface voxel this scheme prevents occluding surface colors from seriously corrupting the voxel's color model. ...
doi:10.1109/cvpr.2007.383073
dblp:conf/cvpr/PollardM07
fatcat:avwhf5xu45cmdblmgt3vnqdxf4
Apicomplexan-like parasites are polyphyletic and widely but selectively dependent on cryptic plastid organelles
2019
eLife
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Environmental sequences of ten novel plastid lineages and structural innovations in plastid proteins confirm that plastids in apicomplexans and their relatives are widespread and share a common, photosynthetic ...
In eugregarines, however, plastids are either abnormally reduced or absent, thus increasing known plastid losses in eukaryotes from two to four. ...
The only exceptions to this pattern are the last three enzymes in heme biosynthesis, which are predicted to be plastidial in some parasites (see Discussion). ...
doi:10.7554/elife.49662
pmid:31418692
pmcid:PMC6733595
fatcat:z5xfivvgezhsva2rmhxvqk4pvu
Second-Order Conditioning and Conditioned Inhibition in Different Moments of the Same Training: The Effect of A+ and AX− Trial Number
2021
Frontiers in Behavioral Neuroscience
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These results cannot be predicted by acquisition-focused associative models but can be predicted by theories that distinguish between learning and performance. ...
The results indicated that SOC is most likely to be found at the beginning of training when there are many A+ and few AX− trials, and CI (as assessed by a retardation test) is most likely to be found at ...
ACKNOWLEDGMENTS The authors would like to thank Beatriz Álvarez for the time and effort dedicated to the review of the manuscript. ...
doi:10.3389/fnbeh.2021.632548
pmid:33967712
pmcid:PMC8097050
fatcat:kgqmlqa6prgwbnbqjo4sa5u64e
PREX1 Protein Function Is Negatively Regulated Downstream of Receptor Tyrosine Kinase Activation by p21-activated Kinases (PAKs)
2016
Journal of Biological Chemistry
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A recent study showed that Rac binds to a PKA regulatory subunit and that PKA phosphorylates and activates PAK, setting up a model where PKA binds Rac-GTP to help in the stimulation of PAK and its downstream ...
to the role of PREX proteins in cancer. ...
doi:10.1074/jbc.m116.723882
pmid:27481946
pmcid:PMC5025690
fatcat:aovv6uwfffe4bp6bn5lklrotnu
Constraints on Neutron Star Crusts from Oscillations in Giant Flares
2009
Physical Review Letters
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An accurate measurement of the neutron skin thickness of lead will also constrain the frequencies predicted by the model. ...
We show that the fundamental seismic shear mode, observed as a quasi-periodic oscillation in giant flares emitted by highly-magnetized neutron stars, is particularly sensitive to the nuclear physics of ...
The upcoming PREX measurement will help constrain the frequencies predicted by the model, reducing the uncertainty originating from our lack of knowledge of the symmetry energy. ...
doi:10.1103/physrevlett.103.181101
pmid:19905795
fatcat:lcjv3ot2jrc5xejp7x7etpstum
All Your IFCException Are Belong to Us
2013
2013 IEEE Symposium on Security and Privacy
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The second mechanism adapts the standard exception model to satisfy the extra constraints arising from information flow control, converting thrown exceptions to delayed ones at certain points. ...
The first mechanism builds directly on these basic ingredients, using not-a-values (NaVs) and data flow to propagate errors. ...
We are grateful to B. Montagu and R. Pollack for their help with the formal proofs and for contributing to useful discussions. We thank A. Chudnov, A. DeHon, J. Hsu, S. Iyer, A. Russo, H. Shrobe, ...
doi:10.1109/sp.2013.10
dblp:conf/sp/HritcuGKPM13
fatcat:h2blp4ksxnbnlduff7eh5fbvwi
Workshop on High-Intensity Photon Sources (HIPS2017) Mini-Proceedings
[article]
2017
arXiv
pre-print
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Potential prospects of such a high-intensity source with modern polarized targets were also discussed. ...
The combination of high precision calorimetry and high intensity photon sources greatly enhances scientific benefit to (deep) exclusive processes like wide-angle and time-like Compton scattering. ...
semiexclusive large angle photon-nucleus reactions with tagged photon beams of energies 6 ÷ 10 GeV which can be performed in Hall D at Thomas Jefferson National Acceleration Facility (TJNAF) would allow to ...
arXiv:1704.00816v1
fatcat:ktzsxaty3ngg3io2yxlkzbkile
Wild-type bacteriophage T4 is restricted by the lambda rex genes
1987
Journal of Virology
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The bacteriophage T4 rII genes and the lambda rex (r exclusion) genes interact; rll mutants are unable to productively infect rex+ lambda lysogens. ...
The relationship between rex and rll has been found to be quantitative, and plasmid clones of rex have excluded not only rII mutants but T4 wild type and most other bacteriophages as well. ...
To verify these predictions, we crossed rim-2, rim-13, and amGl to ac4l, amB22, and each other. ...
doi:10.1128/jvi.61.12.3790-3794.1987
fatcat:m5fqmv4hh5htpise7dbr3agnt4
Relativistic density functional theory for finite nuclei and neutron stars
[chapter]
2016
International Review of Nuclear Physics
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2015 pre-print arXiv:1502.01559v1 fatcat:3f3a7rbgwzbznimuezszm5mlxi
After a brief historical perspective, we present the necessary details required to compute the equation of state of dense, neutron-rich matter. ...
The main goal of the present contribution is a pedagogical introduction to the fascinating world of neutron stars by relying on relativistic density functional theory. ...
For all models, the drip line is predicted to occur at a density of about 4×10 11 g/cm 3 and with the formation of the highly exotic 118 Kr isotope. ...
doi:10.1142/9789814733267_0014
fatcat:6clu2clrqjdvflqk4svfisraby
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