Although neutrinos are produced abundantly in collisions at the Large Hadron Collider (LHC), until now no neutrinos produced in such a way had been detected. Within just nine months of the start of LHC Run 3 and the beginning of its measurement campaign, the FASER collaboration changed this picture by announcing its first observation of collider neutrinos at this year’s electroweak session of the Rencontres de Moriond. In particular, FASER observed muon neutrinos and candidate events of electron neutrinos. “Our statistical significance is roughly 16 sigma, far exceeding 5 sigma, the threshold for a discovery in particle physics,” explains FASER’s co-spokesperson Jamie Boyd. In addition to its observation of neutrinos at a particle collider, FASER presented results on searches for dark photons. With a null result, the collaboration was able to set limits on previously unexplored parameter space and began to exclude regions motivated by dark matter. FASER aims to collect up to te
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PLANS have been unveiled for a new task force of 20 police officers to spearhead a crime prevention drive across North Wales. The proposal is one of the final flagship programmes of the region’s Police and Crime Commissioner, Arfon Jones, who recently revealed he will be standing down at the next election. It is part of a bold plan revealed by the Commissioner in his final precept-setting proposal for a 29p weekly increase. The 5.14 per cent rise – around the cost of a Cadbury’s Freddo chocolate bar – will cost the average householder, in Band D of Council Tax, just £14.94 a year.