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Hydrogen is a promising energy carrier that can push forward the energy transition because of its high energy density (142 MJ kg-1), variety of potential sources, low weight and low environmental impact, but its storage for automotive…

Besides the dedicated search for strangelets NA52 measures light (anti)particle and (anti)nuclei production over a wide range of rapidity. Compared to previous runs the statistics has been increased in the 1998 run by more than one order of…

The study of hadronic showers, which are produced by cosmic rays penetrating the Earth's atmosphere, is essential for shedding light on the origins and characteristics of high-energy particles originating from space and reaching our planet.…

高能物理 - 实验 · 物理学 2024-02-22 Michael Pitt

The development of fast and strong microactuators that can be integrated in microdevices is an essential challenge due to a lack of appropriate driving principles. In this paper, a membrane actuator powered by internal combustion of…

应用物理 · 物理学 2024-08-07 Ilia Uvarov , Pavel Shlepakov , Vitaly Svetovoy

The Antiproton Decelerator (AD) at CERN provides antiproton bunches with a kinetic energy of 5.3 MeV. The Extra-Low ENergy Antiproton ring at CERN, commissioned at the AD in 2018, now supplies a bunch of electron-cooled antiprotons at a…

The GAPS experiment is foreseen to carry out a dark matter search by measuring low-energy cosmic-ray antideuterons and antiprotons with a novel detection approach. It will provide a new avenue to access a wide range of different dark matter…

天体物理仪器与方法 · 物理学 2015-08-14 P. von Doetinchem , T. Aramaki , S. Boggs , H. Fuke , C. J. Hailey , S. I. Mognet , R. A. Ong , K. Perez , J. Zweerink

We report on the design and characterization of an antiproton deceleration beamline, based on a pulsed drift tube, for the PUMA experiment at the Antimatter Factory at CERN. The design has been tailored to high-voltage (100 kV) and…

I argue that the existence of cold antimatter in bulk is not permitted by the Standard Model, so that if a gamma-ray signature from antiproton annihilation were to be detected, it must represent either new physics or the action of…

天体物理学 · 物理学 2007-05-23 Michael J. Harris

The search for earth abundant, efficient and stable electrocatalysts that can enable the chemical reduction of CO2 to value-added chemicals and fuels at an industrially relevant scale, is a high priority for the development of a global…

The exquisite capabilities of liquid Argon Time Projection Chambers make them ideal to search for weakly interacting particles in Beyond the Standard Model scenarios. Given their location at CERN the ProtoDUNE detectors may be exposed to a…

高能物理 - 唯象学 · 物理学 2024-01-26 Pilar Coloma , Jacobo López-Pavón , Laura Molina-Bueno , Salvador Urrea

Why do we use nano-antennas for fusion? In three sentences: The present laser induced fusion plans use extreme mechanical shock compression to get one hotspot and then ignition. Still fusion burning spreads slower than expansion, and…

Hydrated excess protons under hydrophobic confinement are a critical component of charge transport behavior and reactivity in nanoporous materials and biomolecular systems. Herein excess proton confinement effects are computationally…

软凝聚态物质 · 物理学 2020-06-04 Xinyou Ma , Chenghan Li , Alex B. F. Martinson , Gregory A. Voth

Atomically thin molecular carbon nanomembranes (CNMs) with intrinsic sub-nanometer porosity are considered as promising candidates for next generation filtration and gas separation applications due to their extremely low thickness, energy…

介观与纳米尺度物理 · 物理学 2022-09-07 Vladislav Stroganov , Daniel Hüger , Christof Neumann , Tabata Noethel , Michael Steinert , Uwe Huebner , Andrey Turchanin

Recently, antihydrogen atoms were trapped at CERN in a magnetic minimum (minimum-B) trap formed by superconducting octupole and mirror magnet coils. The trapped antiatoms were detected by rapidly turning off these magnets, thereby…

The feasibility of a European next-generation very massive neutrino observatory in seven potential candidate sites located at distances from CERN ranging from 130 km to 2300 km, is being considered within the LAGUNA design study. The study…

高能物理 - 唯象学 · 物理学 2010-03-10 A. Rubbia

A new breakthrough in jet propulsion technology since the invention of the jet engine is achieved. The first critical tests for future air-breathing magneto-plasma propulsion systems have been successfully completed. In this regard, it is…

等离子体物理 · 物理学 2017-01-23 Berkant Goksel , Igor Mashek

Hydrogen production is a vital process in the quest for decarbonization and a sustainable future. This conversation explores the various technologies used in hydrogen production, such as steam methane reforming, electrolysis, and biomass…

应用物理 · 物理学 2024-10-11 Mohammad Abubakr , Suhaib Shahid , Iram Arman

Microsystems become part of everyday life but their application is restricted by lack of strong and fast motors (actuators) converting energy into motion. For example, widespread internal combustion engines cannot be scaled down because…

软凝聚态物质 · 物理学 2014-03-07 Vitaly B. Svetovoy , Remco G. P. Sanders , Kechun Ma , Miko C. Elwenspoek

One of the fundamental questions in the field of subatomic physics is what happens to matter at extreme densities and temperatures as may have existed in the first microseconds after the Big Bang and exists, perhaps, in the core of dense…

核实验 · 物理学 2011-06-16 Raimond Snellings

Space propulsion is unique among many proposed applications of the Dense Plasma Focus in being critically dependent on the availability of a scaling theory that is well-grounded in physics, in conformity with existing experimental knowledge…

等离子体物理 · 物理学 2023-05-10 S K H Auluck