Search Results - "Hamann, Jan"

Revisiting cosmological constraints on supersymmetric SuperWIMPs by Deshpande, Meera, Hamann, Jan, Sengupta, Dipan, White, Martin, Williams, Anthony G., Wong, Yvonne Y. Y.

“…SuperWIMPs are extremely weakly interacting massive particles that inherit their relic abundance from late decays of frozen-out parent particles. Within…”
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Cosmology favoring extra radiation and sub-eV mass sterile neutrinos as an option by Hamann, Jan, Hannestad, Steen, Raffelt, Georg G, Tamborra, Irene, Wong, Yvonne Y Y

“…Precision cosmology and big-bang nucleosynthesis mildly favor extra radiation in the Universe beyond photons and ordinary neutrinos, lending support to the…”
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Enhanced 2,3-butanediol production in fed-batch cultures of free and immobilized Bacillus licheniformis DSM 8785 by Jurchescu, Ileana-Maria, Hamann, Jan, Zhou, Xiye, Ortmann, Tim, Kuenz, Anja, Prüße, Ulf, Lang, Siegmund

“…2,3-Butanediol (2,3-BD) is a valuable bulk chemical with particular use in industry. 2,3-BD has a potential as solvent and fuel additive, as carrier for…”
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New constraints on oscillations in the primordial spectrum of inflationary perturbations by Hamann, Jan, Covi, Laura, Melchiorri, Alessandro, Slosar, Anže

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Somatosensory evoked potentials and their relation to microstructural damage in patients with multiple sclerosis—A whole brain DTI study by Hamann, Jan, Ettrich, Barbara, Hoffman, Karl Titus, Then Bergh, Florian, Lobsien, Donald

“…Introduction Somatosensory evoked potentials (SSEP) play a pivotal role in the diagnosis and disease monitoring of multiple sclerosis (MS). Delayed latencies…”
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Inflation and WMAP three year data: Features are still present by Covi, Laura, Hamann, Jan, Melchiorri, Alessandro, Slosar, Anže, Sorbera, Irene

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A Minkowski Functional Analysis of the Cosmic Microwave Background Weak Lensing Convergence by Hamann, Jan, Kang, Yuqi

“…JCAP05(2024)076 Minkowski functionals are summary statistics that capture the geometric and morphological properties of fields. They are sensitive to all…”
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Non-Gaussianity in CMB lensing from full-sky simulations by Hamann, Jan, Kang, Yuqi

“…The lensing convergence field describing the weak lensing effect of the Cosmic Microwave Background (CMB) radiation is expected to be subject to mild…”
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Constraining primordial tensor features with the anisotropies of the Cosmic Microwave Background by Hamann, Jan, Malhotra, Ameek

“…JCAP12(2022)015 It is commonly assumed that the stochastic background of gravitational waves on cosmological scales follows an almost scale-independent power…”
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Somatosensory evoked potentials in correlation to whole brain diffusion tensor imaging in patients with multiple sclerosis by Hamann, Jan, Ettrich, Barbara, Hoffmann, Karl-Titus, Sotiriou, Konstantinos, Then-Berg, Florian, Lobsien, Donald

“…Purpose: This study aimed to evaluate correlations of Somatosensory Evoked Potentials (SSEP) with DTI parameters in white matter tracts in patients with…”
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Optimising Inflationary Features the Bayesian Way by Hamann, Jan, Wons, Julius

“…JCAP03(2022)036 Modern cosmological data demand modern data analysis techniques. We introduce BayOp, a new likelihood sampling and maximisation method which is…”
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AB$\mathbb{C}$MB: Deep Delensing Assisted Likelihood-Free Inference from CMB Polarization Maps by Yi, Kai, Fan, Yanan, Hamann, Jan, Liò, Pietro, Wang, Yuguang

“…The existence of a cosmic background of primordial gravitational waves (PGWB) is a robust prediction of inflationary cosmology, but it has so far evaded…”
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Removing the mask -- reconstructing a scalar field on the sphere from a masked field by Hamann, Jan, Gia, Quoc Thong Le, Sloan, Ian H, Womersley, Robert S

“…SIAM Journal on Imaging Sciences, Vol. 17, Iss. 3 (2024) The paper analyses a spectral approach to reconstructing a scalar field on the sphere, given only…”
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Revisiting Cosmological Constraints on Supersymmetric SuperWIMPs by Deshpande, Meera, Hamann, Jan, Sengupta, Dipan, White, Martin, Williams, Anthony G, Wong, Yvonne Y. Y

“…SuperWIMPs are extremely weakly interacting massive particles that inherit their relic abundance from late decays of frozen-out parent particles. Within…”
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Enhancing Bispectrum Estimators for Galaxy Redshift Surveys with Velocities by Wons, Julius, Dimastrogiovanni, Emanuela, Fasiello, Matteo, Hamann, Jan, Johnson, Matthew C

“…We forecast the ability of bispectrum estimators to constrain primordial non-Gaussianity using future photometric galaxy redshift surveys. A full-sky survey…”
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Cosmo VAE: Variational Autoencoder for CMB Image Inpainting by Yi, Kai, Guo, Yi, Fan, Yanan, Hamann, Jan, Wang, Yu Guang

“…Cosmic microwave background radiation (CMB) is critical to the understanding of the early universe and precise estimation of cosmological constants. Due to the…”
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Approximate Equivariance SO(3) Needlet Convolution by Yi, Kai, Chen, Jialin, Wang, Yu Guang, Zhou, Bingxin, Liò, Pietro, Fan, Yanan, Hamann, Jan

“…This paper develops a rotation-invariant needlet convolution for rotation group SO(3) to distill multiscale information of spherical signals. The spherical…”
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Evidence for extra radiation? Profile likelihood versus Bayesian posterior by Hamann, Jan

“…A number of recent analyses of cosmological data have reported hints for the presence of extra radiation beyond the standard model expectation. In order to…”
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A non-parametric consistency test of the $\Lambda$CDM model with Planck CMB data by Aghamousa, Amir, Hamann, Jan, Shafieloo, Arman

“…JCAP 09 (2017) 031 Non-parametric reconstruction methods, such as Gaussian process (GP) regression, provide a model-independent way of estimating an underlying…”
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A new life for sterile neutrinos: resolving inconsistencies using hot dark matter by Hamann, Jan, Hasenkamp, Jasper

“…Within the standard LCDM model of cosmology, the recent Planck measurements have shown discrepancies with other observations, e.g., measurements of the current…”
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