A schematic view of the experimental setup around the hydrogen target (a). A PID plot produced with the SAMURAI spectrometer associated with the 132Sn incoming beam (b).
Performing studies on a doubly magic isotope of tin, researchers have shown that the pion condensation should occur at around two times normal nuclear density, which can be realized in a neutron star with a mass of 1.4 times that of the Sun.
In 1973, Russian physicist A.B. Migdal predicted the phenomenon of pion condensation above a critical, extremely high – several times higher than that for normal matter – nuclear density. Although this condensation has never been observed, it is expected to play a key role in the rapid cooling process of the core of neutron stars...
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