Tag Archives: observe

Physicists from CERN’s ALPHA experiment today report the first ever measurement on the optical spectrum of an antimatter atom. Artist’s impression of a cloud of trapped antihydrogen atoms. Image credit: Chukman So. “Using a laser to observe a transition in antihydrogen and comparing it to hydrogen to see if they …

Physicists on CERN’s LHCb collaboration say they’ve observed three new exotic particles – X(4274), X(4500) and X(4700) – and also confirmed the existence of a fourth one, X(4140). According to the scientists, each of these particles contains two quarks and two antiquarks. View of the LHCb detector. Image credit: CERN. …

An international team of scientists, led by Dr. Niels Kjærgaard from the University of Otago in Dunedin, New Zealand, has used steerable ‘optical tweezers’ to split ultracold clouds of potassium-40 (40K) atoms and smash them together to directly observe a key principle of quantum mechanics – the Pauli exclusion principle. …

According to a team of researchers at the Tata Institute of Fundamental Research (TIFR) in Mumbai, India, pure bismuth — a semimetal with a rhombohedral structure — is superconducting at ultra-low temperatures. Artificially grown bismuth crystal illustrating the stairstep structure, with a 1 cm3 cube of bismuth metal. Image credit: …

An international team of physicists, led by Prof. Chris Greene from Purdue University and Prof. Herwig Ott from the University of Kaiserslautern, has observed a butterfly Rydberg molecule, a weak pairing of two highly excitable atoms. Their work was published in the Oct. 5 issue of the journal Nature Communications …