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1. Atomic Physics Studies at the Gamma Factory at CERN

   https://doi.org/10.1002/andp.202000204  

   Budker, Dmitry; Crespo López‐Urrutia, José R.; Derevianko, Andrei; Flambaum, Victor V.; Krasny, Mieczyslaw Witold; Petrenko, Alexey; Pustelny, Szymon; Surzhykov, Andrey; Yerokhin, Vladimir A.; Zolotorev, Max (January 2020, Annalen der Physik)

   The Gamma Factory initiative proposes to develop novel research tools at CERN by producing, accelerating, and storing highly relativistic, partially stripped ion beams in the SPS and LHC storage rings. By exciting the electronic degrees of freedom of the stored ions with lasers, high‐energy narrow‐band photon beams will be produced by properly collimating the secondary radiation that is peaked in the direction of ions' propagation. Their intensities, up to 1017 photons per second, will be several orders of magnitude higher than those of the presently operating light sources in the particularly interesting γ–ray energy domain reaching up to 400 MeV. This article reviews opportunities that may be afforded by utilizing the primary beams for spectroscopy of partially stripped ions circulating in the storage ring, as well as the atomic‐physics opportunities made possible by the use of the secondary high‐energy photon beams. The Gamma Factory will enable ground‐breaking experiments in spectroscopy and novel ways of testing fundamental symmetries of nature. 

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2. Susy at the FPF

   https://doi.org/10.1140/epjc/s10052-025-13839-1  

   Anchordoqui, Luis_A; Antoniadis, Ignatios; Benakli, Karim; Cunat, Jules; Lüst, Dieter (February 2025, The European Physical Journal C)

   Abstract Experimental searches for supersymmetry (SUSY) are entering a new era. The failure to observe signals of sparticle production at the large hadron collider (LHC) has eroded the central motivation for SUSY breaking at the weak scale. However, String Theory requires SUSY at the fundamental scale$$M_s$$ $M_s$and hence SUSY could be broken at some high scale below$$M_s$$ $M_s$. Actually, if this were the case, the lack of experimental evidence for low-energy SUSY could have been anticipated, because most stringy models with high-scale SUSY breaking predict that sparticles would start popping up above about 10 TeV, well beyond the reach of current LHC experiments. We show that using next generation LHC experiments currently envisioned for the Forward Physics Facility (FPF) we could search for signals of neutrino-modulino oscillations to probe models with string scale in the grand unification region and SUSY breaking driven by sequestered gravity in gauge mediation. This is possible because of the unprecedented flux of neutrinos to be produced as secondary products in LHC collisions during the high-luminosity era and the capability of FPF experiments to detect and identify their flavors. 

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3. Sulvanites: The Promise at the Nanoscale

   https://doi.org/10.3390/nano11030823  

   Prado-Rivera, Roberto; Chang, Chen-Yu; Liu, Mimi; Lai, Cheng-Yu; Radu, Daniela R. (March 2021, Nanomaterials)

   null (Ed.)

   The class of ternary copper chalcogenides Cu3MX4 (M = V, Nb, Ta; X = S, Se, Te), also known as the sulvanite family, has attracted attention in the past decade as featuring promising materials for optoelectronic devices, including solar photovoltaics. Experimental and theoretical studies of these semiconductors have provided much insight into their properties, both in bulk and at the nanoscale. The recent realization of sulvanites at the nanoscale opens new avenues for the compounds toward printable electronics. This review is aimed at the consideration of synthesis methods, relevant properties and the recent developments of the most important sulvanites. 

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4. The FASER Experiment at the LHC

   https://doi.org/10.3103/S0027134922020242  

   Coccaro, Andrea (April 2022, Moscow University Physics Bulletin)
5. Boundary Currents at the Northern Edge of the Chukchi Sea at 166°W

   https://doi.org/10.1029/2022JC018997  

   Li, Min; Pickart, Robert S.; Lin, Peigen; Woodgate, Rebecca A.; Wang, Guiyuan; Xie, Lingling (December 2022, Journal of Geophysical Research: Oceans)

   Abstract Data from two moorings deployed at 166°W on the northern Chukchi shelf and slope from summer 2002 to fall 2004, as part of the Western Arctic Shelf‐Basin Interactions program, are analyzed to investigate the characteristics and variability of the flow in this region. The depth‐mean velocity at the outer‐shelf mooring is northeastward and bottom‐intensified, while that at the upper‐slope mooring is northwestward and surface‐intensified. This, together with results from a high resolution ocean and sea ice reanalysis, indicates that the outer‐shelf mooring sampled the seaward edge of the Chukchi Shelfbreak Jet, while the upper‐slope mooring sampled the shoreward edge of the Chukchi Slope Current. The coupled variability in velocity at both sites is related to the wind stress curl over the Chukchi Sea shelf, likely via Ekman dynamics and geostrophic set up, analogous to the dynamics of both currents closer to Barrow Canyon near 157°W. Hydrographic signals are analyzed to elucidate the origin of the water masses present at this location. It is argued that the annual appearance of Pacific‐origin warm water at the outer‐shelf (upper‐slope) mooring in late‐fall and winter originates from Herald (Barrow) Canyon some months earlier. Our results constitute the first robust evidence that the westward‐flowing Chukchi Slope Current persists this far west of Barrow Canyon. 

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