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There is a large time interval between the universe's recombination epoch (z=1100) and the time (z = 7±1 [2]) after which intergalactic gas is largely reionized.Studies of the cosmic microwave background (CMB) have shown the structure of the universe at the start of this interval, and deep optical surveys such as the Sloan Digital Sky Survey show the structure after this time interval, but ...
The HERA North Hall, where the H1 detector was located, is now used for the new ALPS experiment, which looks for axion-like particles. [ 7 ] The data taken with the H1 detector are preserved for future analyses within the DPHEP (Data Preservation and Long Term Analysis in High Energy Physics) initiative.
The ZEUS experiment being disassembled, July 2008. The main components of the ZEUS detector were the tracking components, the calorimeter and the muon detectors. [8] The purpose of the ZEUS detector was to collect data to allow the reconstruction of physics events in a consistent way so they can be analyzed.
Hera is a spacecraft developed by the European Space Agency for its space safety program. Its primary mission objective is to study the Didymos binary asteroid system that was impacted four years earlier by the NASA Double Asteroid Redirection Test (DART) spacecraft and contribute to validation of the kinetic impact method to deviate a near-Earth asteroid from a colliding trajectory with Earth.
Hera probe and its 2 CubeSats, Milani and Juventas. Hera is the European component of the ESA–NASA AIDA mission. The Hera spacecraft, approved on 29 November 2019, [24] will focus on key measurements to validate impact and asteroid deflection models, such as the detailed characterisation of the impact crater made by the DART impactor. [38]
HERA was used mainly to study the structure of protons and the properties of quarks, laying the foundation for much of the science done at the Large Hadron Collider (LHC) at the CERN particle physics laboratory today. HERA is the only lepton–proton collider in the world to date and was on the energy frontier in certain regions of the ...
Israeli forces have released a Hamas propaganda video that it recovered showing a child who was held hostage by Hamas, spokesperson Daniel Hagari said on Sunday.
The HERA-B detector was a particle physics experiment at the HERA accelerator at the German national laboratory DESY that collected data from 1993 to 2003. It measured 8 m × 20 m × 9 m and weighed 1000 tons. The HERA-B collaboration consisted of some 250 scientists from 32 institutes in 13 countries. [1] [2]