Feeds

New ATLAS particle part of 'everyday mass'

This boson isn’t the Higgs

Beginner's guide to SSL certificates

While we’ve been paying all our attention to the elusive Higgs boson, the ATLAS experiment has turned up another particle which researchers say could be responsible for shed light on* much of the mass of “everyday objects”.

The new object, known as chi-b(3P), is the first confirmed brand-new particle discovered at the Large Hadron Collider (LHC), and is discussed in this Arxiv paper, submitted to Physical Review Letters.

In their press release, the researchers, led by teams from the Universities of Birmingham and Lancaster, say the new object is formed when a beauty quark – a.k.a. a bottom quark – combines with an antiquark to bind together (the release doesn’t tell El Reg how that binding takes place without annihilation, which is a pity).

The quark-antiquark binding, the researchers say, is mediated by the strong nuclear force, which is why “a lot of the mass of everyday objects comes from the strong interaction we are investigating using the chi-b”, said Lancaster’s ATLAS group head Professor Roger Jones.

The pairing also makes the chi-b(3P) different to the Higgs: it contains two particles, whereas the Higgs is a single, indivisible particle.

Lighter partners of the chi-b(3P) have been observed for many years, but while predicted by theory, this is the first time the chi-b(3P) itself has been spotted in signals from the LHC. It was a needle-in-a-haystack task, as is pretty much all ATLAS analysis, with the new particle’s decay signal discovered among the billions of particle collisions the instrument produces. ®

Bootnote: The original first paragraph was inaccurate, and has since been corrected.

Internet Security Threat Report 2014

More from The Register

next story
GRAV WAVE DRAMA: 'Big Bang echo' may have been grit on the scanner – boffins
Exit Planet Dust on faster-than-light expansion of universe
SpaceX Dragon cargo truck flies 3D printer to ISS: Clawdown in 3, 2...
Craft berths at space station with supplies, experiments, toys
That glass of water you just drank? It was OLDER than the SUN
One MEELLION years older. Some of it anyway
Big dinosaur wowed females with its ENORMOUS HOOTER
That's right, Doris, I've got biggest snout in the prehistoric world
Japanese volcano eruption reportedly leaves 31 people presumed dead
Hopes fade of finding survivors on Mount Ontake
Relive the death of Earth over and over again in Extinction Game
Apocalypse now, and tomorrow, and the next day, and the day after that ...
prev story

Whitepapers

Providing a secure and efficient Helpdesk
A single remote control platform for user support is be key to providing an efficient helpdesk. Retain full control over the way in which screen and keystroke data is transmitted.
Intelligent flash storage arrays
Tegile Intelligent Storage Arrays with IntelliFlash helps IT boost storage utilization and effciency while delivering unmatched storage savings and performance.
Beginner's guide to SSL certificates
De-mystify the technology involved and give you the information you need to make the best decision when considering your online security options.
Security for virtualized datacentres
Legacy security solutions are inefficient due to the architectural differences between physical and virtual environments.
Secure remote control for conventional and virtual desktops
Balancing user privacy and privileged access, in accordance with compliance frameworks and legislation. Evaluating any potential remote control choice.