Tag Archive for 'Pion'

An artistic representation of antihyperhydrogen-4 created in a collision of two gold nuclei. Image credit: Institute of Modern Physics.

Physicists Observe Antihyperhydrogen-4 for First Time

Aug 22, 2024 by News Staff

Physicists from the STAR Collaboration have observed the antimatter hypernucleus antihyperhydrogen-4 — composed of an antihyperon, an antiproton...

LHCb experiment cavern at LHC IP8 in September 2016. Image credit: CERN.

CERN Physicists Observes New Decay Mode of Charmed Beauty Meson

Mar 11, 2024 by News Staff

Physicists from the LHCb Collaboration at CERN’s Large Hadron Collider (LHC) have reported the first observation of the decay of the Bc+ meson (composed...

The STAR detector at the Relativistic Heavy Ion Collider (RHIC) acts like a giant 3D digital camera to track particles emerging from particle collisions at the center of the detector. Image credit: Brookhaven National Laboratory.

New Method Lets Physicists ‘See’ Details inside Atomic Nuclei

Jan 4, 2023 by News Staff

The novel method, developed by nuclear physicists at the STAR detector of the Relativistic Heavy Ion Collider (RHIC), relies on particles of light that...

Two photons collide in this artist’s rendering of the pion experiment; the result is a charge-neutral pion shown as a green sphere; just 83 attoseconds later, the pion disintegrates and emits two photons, shown as purple spheres. Image credit: Jefferson Lab.

Physicists Precisely Measure Lifetime of Neutral Pion

May 27, 2021 by News Staff

Neutral pions (π0) have a lifetime of around 80 attoseconds, decaying into two photons. In new research, an international team of physicists has measured...

Experimental apparatus used to synthesize pionic helium atoms at the Paul Scherrer Institute. Image credit: ASACUSA Collaboration, CERN.

CERN Physicists Create Atoms of Pionic Helium

May 13, 2020 by News Staff

Physicists from the ASACUSA (Atomic Spectroscopy And Collisions Using Slow Antiprotons) Collaboration at CERN have successfully synthesized and studied...

NA62 experiment in CERN’s North Area. Image credit: NA62 / CERN.

CERN Physicists Observe Hints of Ultra-Rare Kaon Decay

Mar 27, 2018 by News Staff

Physicists from the NA62 Collaboration at CERN reported today that they had observed a candidate event of an extremely rare charged kaon decay (K+ →...

An electron (green) hits a proton in a nucleus, creating a pion (green-skinned particle) and transforming the proton into a neutron. Image credit: Joanna Griffin / Jefferson Lab.

CERN Physicists Measure Polarizability of Pion

Feb 16, 2015 by News Staff

Scientists from CERN’s COMPASS collaboration have made the most precise measurement ever of the polarizability of pion – the fundamental low-energy...