In particle physics, the tracking is the act of measuring the direction and magnitude of charged particlesmomenta. The particles entering a tracker (the device used for tracking), release part of their energy in the device: the tracker has to be finely segmented in order to be able to reconstruct with good precision where the particle passed. Since the tracking is usually made in a region where a magnetic field is present, it is possible to reconstruct part of the helix made by the particle inside the tracker (that is called track), and from the track parameters, and by knowing the mass of the particle under study (which is known by the use of particle identification), it is possible to reconstruct the actual direction and magnitude of the particle momenta. From these information the tracking of charged particles can be used to reconstruct secondary decays, this can be done for B-tagging (in experiments like CDF or at LHC) or to fully reconstruct events (like in BaBar and Belle).
Tracking, one of the first freefall skills learned by a novice skydiver, is the technique of assuming a body position that allows the skydiver to move horizontally while freefalling.
Although there are many variations of the basic body position it essentially involves the skydiver moving out of the traditional face to earth arched position, straightening the legs, bringing the arms to the sides and de-arching, using the body to cup the air as a means of providing greater lift. There is, however, debate over what exactly constitutes the most efficient tracking position (providing the best glide ratio) especially concerning how far (if at all) the skydiver's legs should be spread. Some variations of the tracking position work well for some individuals and not so well for others. Also, when a skydiver gains experience, his or her preferred body position often changes.
It is claimed that good trackers can cover nearly as much ground as the distance they fall, approaching a glide ratio of 1:1. It is known that the fall rate of a skydiver in an efficient track is significantly lower than that of one falling in a traditional face-to-earth position; the former reaching speeds as low as 90mph, the latter averaging around the 120mph mark.
IVE will be pre-releasing the first title track 'Either Way' from their upcoming extended play titled I'VE MINE ... IVE to pre-release first title track from their upcoming album I'VE MINE ... The K-pop group has announced that they will pre-release the Either Way title track on IVE's YouTube channel.
Those involved had been tracked across Gwinnett and DeKalb counties by a street racing intelligence group made up of hundreds of law enforcement officers ... Organizers often send out fake addresses to confuse those tracking them, but Donahue said his group has sources who can confirm if a location is real.
Fans warmly welcomed the return of Japanese fantasy idol group, Starmarie, as they performed on stage themes from the the popular “Cardfight!! Vanguard G” anime series and other tracks ... Vocalist AngelTaka led the group, composed of Masato (rhythm guitar), Kyo (bass guitar), ...
In a statement just a few hours earlier, officers from the Hillsborough County Sheriff's Office gave an update on the condition of the other survivor in Hernandez, who they said had been driving the group to a quinceañera set just across the tracks.
So the strikingly different behaviors have intrigued researchers from the Shedd Aquarium, Purdue University and the Illinois-Indiana Sea Grant, who are tracking the movements of 80 individual fish in the Chicago River system ... The group is tracking bluegill and largemouth bass to learn more about fish that people like to catch for fun.
Ace Impact and Hukum are among 15 horses to stand their ground for the the Prix de l'Arc de Triomphe at Paris Longchamp on Sunday following the first forfeit stage ... The latter has won twice and finished second twice from four visits to the track and was last seen breaking his Group One duck in the Grosser Preis von Berlin at Hoppegarten in August ... .
PUNXSUTAWNEY — ReadingUnder the Lights drew in about 170 PunxsutawneyAreaElementary families to the stadium Wednesday evening ... Before the main event of the group read-aloud, students had the opportunity to participate in other activities placed around the field and on the track ... “Definitely accept it ... ....
Ace Impact and Hukum are among 15 horses to stand their ground for the the Prix de l’Arc de Triomphe at ParisLongchamp on Sunday following the first forfeit stage ... The latter has won twice and finished second twice from four visits to the track and was last seen breaking his Group One duck in the Grosser Preis von Berlin at Hoppegarten in August ... .
I've always wanted to win at all the Bruton Smith tracks, and I know he's smiling down from above ... Hight, who set the track record on Saturday to qualify No ... “It's definitely sweet to do it here at Charlotte, my home track, with all my family, my friends, all the support, the Hendrick group ... This is definitely one of my favorite tracks.
How would he stay strapped into the left pedal? ... His toes wouldn’t wiggle either ... They tracked the group down again eight years ago ... Organizers expected to unofficially break a world record for largest group bicycle ride ... “I don’t know if he’ll do it again,” she said as they packed their group’s trucks and RVs under the shade of a tall, leafless tree ... .
... from the effects of fiscal adjustment.” The floor was defined as a category of social spending already tracked by the central government budget that includes transfers for sickness and disability; older age; family and children; housing; and other social protection related costs.
Rapid return fuels seven-member group's global ambitions ... The seven-member group ― comprising Hanbin, Hyungseob, Hyuk, Eunchan, LEW, Hwarang and Taerae ― has been on a creative spree since its debut last year ... The album's title track "Vroom Vroom" encapsulates the group's unwavering drive to pursue their goals, akin to an unstoppable speeding car.