Kohei Yoshioka’s Post

🎉 I am thrilled to share the exciting news that the main results of my PhD research have been accepted for publication in Physical Review Letters! This is a major achievement as it represents the first results in the search for Dark Sectors and light Dark Matter with a muon beam using the missing energy-momentum technique. You can find the accepted paper here: [https://lnkd.in/emZGPavc] 🔍 These findings contribute significantly to the ongoing experimental program of the NA64 collaboration at the CERN Super Proton Synchrotron. They provide new insights and constraints on the parameter space related to the thermal Dark Matter relic abundance. For more details about the experimental methods and data analysis, you can refer to the pre-print document: [https://lnkd.in/e22ekJjA] 📖 A comprehensive overview of the research can be found in my thesis: [https://lnkd.in/eMuG3uQh] I am immensely grateful for the support, help, and guidance of my thesis supervisors, Prof. Dr. Paolo Crivelli and Dr. Laura Molina Bueno, as well as the dedicated work and collaboration of my NA64 colleagues. #PhysicalReviewLetters #HighEnergyPhysics #DarkMatter #DarkSectors #CERN

📃Scientific paper: The High Energy X-ray Probe (HEX-P): Probing the physics of the X-ray corona in active galactic nuclei Abstract: The hard X-ray emission in active galactic nuclei (AGN) and black hole X-ray binaries is thought to be produced by a hot cloud of electrons referred to as the corona. This emission, commonly described by a power law with a high-energy cutoff, is suggestive of Comptonization by thermal electrons. While several hypotheses have been proposed to explain the origin, geometry, and composition of the corona, we still lack a clear understanding of this fundamental component. NuSTAR has been playing a key role improving our knowledge of X-ray coronae thanks to its unprecedented sensitivity above 10 keV. However, these constraints are limited to bright, nearby sources. The High Energy X-ray Probe (HEX-P) is a probe-class mission concept combining high spatial resolution X-ray imaging and broad spectral coverage (0.2-80 keV) with a sensitivity superior to current facilities. In this paper, we highlight the major role that HEX-P will play in further advancing our insights of X-ray coronae, notably in AGN. We demonstrate how HEX-P will measure key properties and track the temporal evolution of coronae in unobscured AGN. This will allow us to determine their electron distribution and test the dominant emission mechanisms. Furthermore, we show how HEX-P will accurately estimate the coronal properties of obscured AGN in the local Universe, helping address fundamental questions about AGN unification. In addition, HEX-P will characterize coronae in a large sample of luminous quasar... Continued on ES/IODE ➡️ https://etcse.fr/JYLSB ------- If you find this interesting, feel free to follow, comment and share. We need your help to enhance our visibility, so that our platform continues to serve you.

+++ new arXiv preprint +++ Happy to announce that our latest work, titled "Quantum Circuits Based on Topological Pumping in Optical Lattices", is now available on arXiv. We propose a novel scheme to realize efficient adiabatic shuttling of fermionic atoms, along with configurable SWAP^n gate operations in an optical superlattice. In this work, we coherently split repulsively interacting spin singlets and separate them spatially by many lattice sites. The magic happens when two atoms encounter each other during the shuttle operations. The method leverages the fermionic superexchange mechanism, which can be utilized to compose sequences of quantum gates into quantum circuits by tuning the tunneling and interactions. This work marks my first postdoc project, and I am incredibly grateful for such an amazing start in the quantum optics group. Special thanks to the whole team 朱子杰, Konrad Viebahn, Samuel Jele, Marius Gächter, Giacomo Bisson, and Tilman Esslinger. The preprint is available here: https://lnkd.in/efY7vqm5  Comments welcome! #QuantumComputing #OpticalLattices #QuantumMechanics #TopologicalPumping #arXiv #PhysicsResearch

🌌 Exciting News from the Frontiers of Particle Physics! We're thrilled to announce that Prof. Dr. Juan Rojo, in collaboration with Prof. Dr. Anna Sfyrla, has been granted a CHF1.250M award from the Swiss National Research Council (FNS). This prestigious grant will support their groundbreaking work with the FASER experiment at CERN's Large Hadron Collider (LHC). 🔬 Project Focus: Their research aims to uncover the mysteries of the universe's feeblest particles, including neutrinos and feebly interacting particles (FIPs). By exploring regions and interactions not covered by other LHC experiments like ATLAS and CMS, their work on the FASER experiment promises to open new windows into the fundamental forces and particles of nature. 🎯 Goals and Impact: The project, set to commence in June 2025, will leverage the unique capabilities of the FASERν detector to conduct high-energy neutrino research and search for new particles involving charged particles and photons. Additionally, it will enhance our understanding of proton structure and quantum chromodynamics at small-x, vital for a comprehensive theory of particle physics. 🔗 Read more: https://lnkd.in/e85D5Evx

𝐌𝐞𝐞𝐭 𝐨𝐮𝐫 𝐦𝐞𝐦𝐛𝐞𝐫𝐬: 𝐂𝐡𝐫𝐢𝐬𝐭𝐢𝐚𝐧 𝐆𝐮𝐭𝐭 "After several research positions both in Germany and the USA I became a Professor of Solid State Physics at the Universität Siegen in 2013. My research is focused on exploring the dynamics of condensed matter on the atomic and molecular scale. We develop and use advanced techniques like X-ray photon correlation spectroscopy (XPCS) to study how materials behave and evolve under different conditions. Advancing the boundaries of X-ray science through the development of new methods and instrumentation is a key focus for us. We are also leveraging the power of neural networks and other machine learning methods to analyze large amount of complex X-ray data. Currently, I am also the Chair of the Committee for Research with Synchrotron Radiation (KFS) representing 4000 users in Germany vis-a-vis politics, funding agencies and large-scale-facilities. In the KFS, we are, for example, helping to shape various funding schemes and represent the user community in the upgrade process of the current sources of synchrotron radiation so that we can maintain the leading position of German synchrotron research in an international competitive environment. In this respect it is currently an exciting time for X-ray science, and we’re constantly looking for innovative ways to expand the capabilities of our research." #UniSiegen #XPCS #XRayScience #KFS #Research #Physics #ChiralSystems #DynamicsofProteins #Science

I was absolutely delighted to have been part of a UK delegation to CERN, organised by The Foundation For Science and Technology and IdeaSquare - the innovation space at CERN. As someone with a PhD in physics , CERN has always been on my bucket list but I've never had the opportunity - even when I was a French academic - because my research at ESPCI Paris - IPGG was geared more towards soft matter physics (fluids, gels, polymers, biophysics) and less particle physics (though, Quantum Mechanics was my favourite subject when I did my Masters and that's credit to my professor back then at Paris-Saclay. She was brilliant).Anyway, I digress. CERN for me is the embodiment of what collaborations can achieve for innovation. And this works for all disciplines of science and technology. We're all trying to contribute to solve a problem in our respective fields, and from time-to-time, we encounter roadblocks or even skeptics - and that is normal, as doubt is an integral part of the scientific process. Our responsibility then is to lay out why such innovations are necessary, supported by facts, to convince stakeholders (e.g. people, government, private investors) that our own scientific projects (whatever they may be) solve many challenges and that investments in our projects provide value-add and returns. #InvestInScience #supportscience #collaboration #innovation ----------------------------- It was thrilling to descend 100m into one of the detectors within the 27km circumference Large Hadron Collider. Here I am, together with some of my colleagues from the Foundation, Jenny Hindson, Policy Delivery Manager for the Government of Scotland and Sam Islam MIET, ASEP, MINCOSE, Systems Engineering Consultant from Energy Systems Catapult. (Photo credit: Jenny Hindson, thank you for letting me use the photo 🙏 ). The Foundation for Science & Technology brings together leaders from government, industry and academia to discuss relevant issues and how it influences UK research & innovation policy in the coming years. More information about this visit and the Foundation at: https://lnkd.in/eDm66Rqs

The U.S. National Science Foundation (NSF) and the Center for the Advancement of Science in Space (CASIS) are teaming up to push the boundaries of tissue engineering and mechanobiology research aboard the International Space Station (ISS). This unique initiative harnesses the microgravity environment of the ISS to propel scientific understanding and technological advancements that promise to revolutionize life on Earth. 🔍 Why It Matters: This collaboration is a pivotal moment for interdisciplinary research, merging the fields of engineering, biology, and space science. It's a chance for researchers to explore new frontiers and contribute to groundbreaking discoveries. 📄 Get Involved: Researchers eager to participate can find more details and access the solicitation document on the NSF website https://www.nsf.gov. 🌟 Join the Conversation: Share this exciting news with your network and follow OpenGrants for more updates on funding opportunities that are shaping the future of science and technology. Stay tuned for more opportunities to innovate and explore the unknown!

PLEASE PAY ATTENTION TO THE NEW DATE: 25 April, 2024 at 2 pm With Tel Aviv University's Barak Hirshberg, we welcome a recognized expert in computational #quantumchemistry to our CASUS Distinguished Lecture Series. The Hirshberg lab develops computer #simulations for understanding the static and dynamic properties of quantum and classical condensed-phase systems, focusing on molecular materials. In Görlitz, Barak will talk about his work tackling two challenges of the standard algorithms used in molecular dynamics simulations: 1) the extension of simulations to longer timescales, allowing the description of phenomena such as #nucleation and #crystalgrowth, and 2) the inclusion of #quantumstatistics at a reasonable computational cost. Contact us and join the talk directly on-site – or make use of the videoconferencing offer. https://lnkd.in/eku-uU3F #complexsystems #computationalscience #bosonicPIMD #moleculardynamics #MDsimulations #goerlitz #cityofscience #LausitzZukunftForschung Helmholtz-Zentrum Dresden-Rossendorf (HZDR)

Replicating plasma conditions is key to achieving robust igniting inertial fusion designs for energy resilience. Discover how the High Energy Density Science Center postdoctoral fellows Elizabeth Grace and Graeme Sutcliffe are using high-intensity lasers to observe this fourth state of matter and pursue new science questions: https://lnkd.in/gHAfGUWW

Replicating plasma conditions is key to achieving robust igniting inertial fusion designs for energy resilience. Discover how the High Energy Density Science Center postdoctoral fellows Elizabeth Grace and Graeme Sutcliffe are using high-intensity lasers to observe this fourth state of matter and pursue new science questions: https://lnkd.in/gHAfGUWW