Physicists at Southern Methodist University, Dallas, have achieved a new precise measurement of a key subatomic particle, opening the door to better understanding some of the deepest mysteries of our universe.
The researchers calculated the new measurement for a critical characteristic—mass—of the top quark.
Quarks make up the protons and neutrons that comprise almost all visible matter. Physicists have known the top quark’s mass was large, but encountered great difficulty trying to clearly determine it.
The newly calculated measurement of the top quark will help guide physicists in formulating new theories, said Robert Kehoe, a professor in SMU’s Department of Physics. Kehoe leads the SMU group that performed the measurement.
Top quark’s mass matters ultimately because the particle is a highly sensitive probe and key tool to evaluate competing theories about the nature of matter and the fate of the universe. READ MORE
Read more at: http://phys.org/news/2015-09-precise-particle-subatomic-tool-probing.html#jCp
Bryson DeChambeau is a physics major with a unique approach to golf, and a set of irons all cut to the same length.
There is also the Ben Hogan-style cap the SMU senior wears when he plays, and the rare distinction that added him to a group of elite golfers: Jack Nicklaus, Phil Mickelson, Tiger Woods and Ryan Moore. READ MORE
Bryson DeChambeau won the U.S. Amateur in stunning fashion. Here are four things you should know about the talented youngster.
1. Bryson DeChambeau is just the fifth player to win both the U.S. Amateur and the NCAA individual title in the same year.
Jack Nicklaus (’61), Phil Mickelson (’90), Tiger Woods (’96) and Ryan Moore (’04) are the only other players to grab both titles in the same season. The 21-year-old will also make an appearance for Team USA at September’s 2015 Walker Cup at Royal Lytham & St. Annes.
2. He majors in physics at SMU and applies his studies to his golf game.
According to Golf Channel, DeChambeau gives new meaning to the term student-athlete. He uses a green-reading system called Vector Putting that factors in a variety of stats, like green speed, green slope and the length of the putt; he cuts all of his irons to the same length (a 6-iron) to create a single-plane swing; and he uses a putter with torque balance to keep his stroke square. READ MORE
UNIVERSITY PARK — Education has been crucial in getting SMU golfer Bryson DeChambeau to where he is today, so he was adamant Wednesday that he will eventually get his degree.
When that might happen, however, is a bit of a question after the 21-year-old senior became only the fifth man in history to win the NCAA tournament and the U.S. Amateur in the same year.
“I plan to stay in college and complete my degree,” DeChambeau said. “Whether I get it done this year, I’m not 100 percent sure.”
DeChambeau said he could finish up his major in the first semester and then fill in with online courses, but he said he will think long and hard before he eventually commits to turning pro. Next up is the Walker Cup, Sept. 12-13 in England. If he doesn’t turn pro, he will receive invitations to next year’s Masters, U.S. Open, British Open and U.S. Amateur. READ MORE
OLYMPIA FIELDS, Ill. — SMU senior Bryson DeChambeau advanced to the U.S. Amateur final, putting him a victory away from becoming the fifth player to win the tournament and NCAA individual title in the same year.
DeChambeau, from Clovis, California, beat Southern California sophomore Sean Crocker 4 and 3 in the semifinals Saturday at Olympia Fields. He will face Virginia junior Derek Bard of New Hartford, New York, in the 36-hole final Sunday. Bard topped Japan’s Kenta Konishi 3 and 2.
“It’ll be a fun battle,” DeChambeau said. “If I can stay in the moment, I’ll be all right.”
Jack Nicklaus (1961), Phil Mickelson (1990), Tiger Woods (1996) and Ryan Moore (2004) are the only players to sweep the NCAA and Amateur titles in a season. READ MORE
Fermilab experiment observes change in neutrinos from one type to another over 500 miles
Scientists have sorted through millions of cosmic ray strikes and zeroed in on neutrino interactions in their quest to learn more about the abundant yet mysterious particles that flit through ordinary matter as though it isn’t there.
Initial data from a new U.S.–based physics experiment indicates scientists are a step closer to understanding neutrinos, the second most abundant particle in the universe. READ MORE
The subatomic muon could reveal potentially disastrous pipe corrosion.
By: Charles Q. Choi, Contributor
(Inside Science) — Of all the parts of the nation’s infrastructure that one might want least to fail, nuclear power plants might rank the highest. U.S. nuclear power plants are on average more than 30 years old now, and pipes within them can corrode over time with potentially lethal results. Now researchers suggest they could noninvasively scan infrastructure for weak points with the aid of subatomic particles streaking down from the sky.
Water and steam pumped through a pipe in a power plant or industrial refinery can eat away one side of the pipe. In 2004, such corrosion led a pipe to break at Mihama Nuclear Power Plant in Japan, killing five people and injuring six others with super-hot high-pressure steam in Japan’s worst nuclear power accident until Fukushima.
Analyzing the structural integrity of pipes typically involves ultrasound and X-ray scans. READ MORE