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Search for an eV-Scale Sterile Neutrino Using Improved High-Energy ν_{μ} Event Reconstruction in IceCube.
Phys Rev Lett
November 2024
Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
Article Synopsis
- * The study introduces enhanced modeling techniques for neutrino flux and detector response, and it distinguishes between starting (inside) and throughgoing (outside) neutrino interaction events to improve energy resolution.
- * The findings indicate a best-fit point for the 3+1 model with sin²(2θ_{24})=0.16 and Δm_{41}²=3.5 eV², supporting previous studies while showing consistency with no evidence of sterile neutrinos, as reflected
Biomarkers of systemic treatment response: MR images of intratumoral fat deposition in colorectal liver metastases (CRLM) after chemotherapy.
Int J Colorectal Dis
November 2024
Department of Clinical Radiology II, Faculty of Medicine, Medical University of Warsaw, 1A Stefan Banach St, 02-097, Warsaw, Poland.
Purpose: Colorectal cancer cells containing mobile lipids are said to be an early indicator of chemotherapy effects. The objective of the study was to examine the frequency and clinical relevance of intratumoral fat deposition in colorectal liver metastases (CRLM) post-chemotherapy using dual-echo chemical shift gradient-echo magnetic resonance imaging (MRI).
Methods: A retrospective analysis of 98 patients with CRLM diagnosed between 2017 and 2022 (69 M, mean age 62.
Spin Spiral State at a Ferromagnetic Gd Vacuum Interface.
Phys Rev Lett
November 2024
Physikalisches Institut, Experimentelle Physik II, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
Centrosymmetric bulk magnets made of layered Gd intermetallics had been discovered recently to exhibit helical spin spirals with a wavelength of ≈2 nm that transform into skyrmion lattices at certain magnetic fields. Here we report on the observation of a spin spiral state at the Gd(0001) surface. Spin-polarized scanning tunneling microscopy images show striped regions with a periodicity of about 2 nm.
View Article and Find Full Text PDFAntoine Béclère (1856-1939): His Great Contribution to Radiotherapy.
Cureus
September 2024
Department of History of Medicine and Medical Ethics, National and Kapodistrian University of Athens School of Medicine, Athens, GRC.
After Wilhelm Conrad Röntgen discovered X-rays in 1895, French physician Antoine Louis Gustave Béclère pioneered the development of radiology in the late 1800s. Béclère recognized the enormous potential of radiation both diagnostically and therapeutically. His radiotherapy techniques quickly gained international renown.
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