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Symmetries make the world go round, but so do asymmetries. A case in point is an asymmetry known as charge–parity (CP) asymmetry, which is required to explain why matter vastly outnumbers antimatter i...
CP asymmetry is the only non-trivial difference between matter and antimatter found so far. Its discovery in neutral kaon decays in 1964 came as a big surprise to the physics community, but today it i...
ASACUSA sees surprising behaviour of hybrid matter–antimatter atoms in superfluid helium（图）
ASACUSA 超流体氦 物质-反物质原子 混合
2023/5/26
A hybrid matter--–antimatter helium atom containing an antiproton, the proton’s antimatter equivalent, in place of an electron has an unexpected response to laser light when immersed in superfluid hel...
In a paper published today in the journal Nature, the BASE collaboration at CERN reports the most precise comparison yet between protons and antiprotons, the antimatter counterparts of protons.
Picture two children playing on swings in a playground. One is a daredevil, launching themselves high off the ground in big arcs. The other daydreams, swinging gently.
Inverted,but not perfectly:First trace of differences between matter and “ordinary” antimatter
Inverted but not perfectly First trace differences between matter ordinary antimatter
2017/3/14
In data collected during the first phase of operation of the Large Hadron Collider the LHCb collaboration team has discovered an interesting asymmetry. The most recent analysis of decays of the beauty...
Do we live in the universe successively dominated by matter and antimatter?
matter and antimatter universe
2011/8/30
We wonder if a cyclic universe may be dominated alternatively by matter and antimatter. Such a scenario demands a mechanism for transformation of matter to antimatter (or antimatter to matter) during ...
Can the matter-antimatter asymmetry be easier to understand within the "spin-charge-family-theory", predicting twice four families and two times $SU(2)$ vector gauge and scalar fields?
the matter-antimatter asymmetry spin-charge-family-theory
2010/12/27
This contribution is an attempt to try to understand the matter-antimatter asymmetry in the universe within the {\it spin-charge-family-theory} if assuming that transitions in non equilibrium processe...
RHIC nets strange antimatter（图）
RHIC nets antimatter the STAR collaboration the Relativistic Heavy Ion Collider (RHIC)
2010/3/26
Physicists working in the STAR collaboration at the Relativistic Heavy Ion Collider (RHIC) at the Brookhaven Laboratory in the US have detected antimatter nuclei containing strange quarks for the firs...
Liverpool, UK - 17 April 2007: Scientists from the Universities of Liverpool and Glasgow have completed work on the inner heart of an experiment which seeks to find out what has happened to all the an...