An anonymous reader quotes a report from the BBC: A new chapter in physics has opened, according to scientists who have been searching for a vital building block of the Universe. A major experiment has been used to search for an elusive sub-atomic particle: a key component of the matter that makes up our everyday lives. The search failed to find the particle, known as the sterile neutrino. This will now direct physicists towards even more interesting theories to help explain how the Universe came to be. Prof Mark Thomson, the executive chair of the Science and Technology Facilities Council (STFC), which funds the UK’s contribution to the Microboone experiment, described the result as ”pretty exciting’.” That is because a sizeable proportion of physicists have been developing their theories on the basis that the existence of the sterile neutrino was a possibility.

Dr Sam Zeller from Fermilab says that the non-detection does not have to contradict previous findings. “The earlier data doesn’t lie,” she said. “There’s something really interesting happening that we still need to explain. Data is steering us away from the likely explanations and pointing toward something more complex and interesting, which is really exciting.” Prof Justin Evans, from the University of Manchester, believes that the puzzle posed by the latest findings marks a turning point in neutrino research. “Every time we look at neutrinos, we seem to find something new or unexpected,” he said. “Microboone’s results are taking us in a new direction, and our neutrino program is going to get to the bottom of some of these mysteries.”

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Source: Slashdot – Neutrino Result Heralds New Chapter In Physics