Author Topic: Large Hadron Collider - Higgs Boson (Read 770 times)

pioneer · « **on:** July 04, 2012, 09:32:09 AM »

Large Hadron Collider - Higgs Boson

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islander · « **Reply #1 on:** July 04, 2012, 08:45:54 PM »

Higgs Boson Quest Inspires Epic LHC Art

Analysis by Ian O'Neill
Wed Jul 4, 2012

In 2010, Discovery News' Jennifer Ouelette reported on a cool project that artist Josef Kristofoletti had embarked upon. Inspired by the Large Hadron Collider (LHC) and one of its huge detectors, he began work on a mural of the ATLAS detector... on the side of the ATLAS control room (commissioned by CERN, of course). The 25-meter high ATLAS is one of the two LHC detectors that are hunting for the Higgs, and we'll hear results from ATLAS physicists via a special webcast on Wednesday at 9 a.m. CEST -- that's at 3 a.m. EST or midnight PST.

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islander · « **Reply #2 on:** July 04, 2012, 08:53:58 PM »

"The hardest part of the mural was painting the whole image with a slight perspective shift," Kristofoletti told Discovery News via email. "The detector appears closer on the left and farther on the right side of the mural.

"The actual signature of the Higgs event was the most exciting thing to paint since it is actually depicting something that is invisible."

But what inspired him to create such a mural in the first place?

"It is a more complicated project than the moon landing. So, I am in awe of finding something that is so fundamental to understanding where we came from," he added.

As we are fast approaching a major announcement from CERN about the quest to track down the elusive Higgs boson, it seems like an appropriate time to showcase Kristofoletti's 2010 work of art through a time-lapse video he recently uploaded.

Enjoy:

http://www.youtube.com/watch?v=Jbi7RTvN30s#ws

http://news.discovery.com/

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islander · « **Reply #3 on:** July 04, 2012, 09:05:35 PM »

CMS Detector at the Large Hadron Collider (LHC) at CERN, near Geneva Photo: PHOTOLIBRARY

Higgs boson: Q&A

More than 50 years ago Peter Higgs and five other theoretical physicists proposed that an invisible field lying across the Universe gives particles their mass, allowing them to clump together to form stars and planets.

By Nick Collins, Science Correspondent
The Telegraph, UK
04 Jul 2012

What is the Higgs boson and the Higgs field?

The Higgs field has been described as a kind of cosmic "treacle" spread through the universe.

According to Prof Higgs's 1964 theory, the field interacts with the tiny particles that make up atoms, and weighs them down so that they do not simply whizz around space at the speed of light.

But in the half-century following the theory, produced independently by the six scientists within a few months of each other, nobody has been able to prove that the Higgs Field really exists.

Prof Higgs predicted that the field would have a signature particle, a massive boson. Finding it would point towards the existence of the field.

treacle - British molasses; a medicinal compound formerly used as an antidote for poison

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islander · « **Reply #4 on:** July 04, 2012, 09:24:26 PM »

What would the world be like without the Higgs boson?

According to the Standard Model theory, it would not be recognisable. Without something to give mass to the basic building blocks of matter, everything would behave as light does, floating freely and not combining with other particles. Ordinary matter, as we know it, would not exist.

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islander · « **Reply #5 on:** July 04, 2012, 09:26:29 PM »

How long has the search gone on?

Scientists have been looking for the Higgs since the 1960s, but the search began in earnest more than 20 years ago with early experiments at Cern in Europe and Fermilab in the US.

Does finding the Higgs boson mark the end of the search?

It's just the end of the beginning. Confirming the existence of the Higgs would only be the start of a new era of particle physics as scientists focus on understanding how it works and look for unexpected phenomena.

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islander · « **Reply #6 on:** July 04, 2012, 09:27:27 PM »

How do you find a Higgs boson?

To find the particle and characterise it, scientists must first try to create it by smashing beams of protons together inside the Large Hadron Collider at close to the speed of light and analysing the debris.

By doing so they will essentially be recreating a very small model of the state of the Universe as it was in the first trillionth of a second after the Big Bang.

Some of the fragments released by the collision should in theory be Higgs Bosons, although they will instantly deteriorate into even smaller, more stable subatomic particles.

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islander · « **Reply #7 on:** July 04, 2012, 09:28:06 PM »

Like other heavy particles, the Higgs decays into lighter particles, which then decay into even lighter ones. The process can follow a certain number of paths, which depend on the particle's mass.

Physicists compare the decay paths they observe after a particle collision to predicted decay paths simulated with computers. When a match is found, it suggests that the observed particle is the one being searched for.

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islander · « **Reply #8 on:** July 04, 2012, 09:28:55 PM »

How is the Higgs boson related to the Big Bang?

About 13.7 billion years ago, the Big Bang gave birth to the universe and caused an outburst of massless particles and radiation energy. Scientists think that fractions of a second later, part of the radiation energy congealed into the Higgs field.

When the universe began to cool, particles acquired mass from the Higgs field, slowed down and began to bunch up to form composite particles and, eventually, atoms.

Conditions present a billionth of a second after the Big Bang are recreated in the Large Hadron Collider particle accelerator near Geneva.

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islander · « **Reply #9 on:** July 04, 2012, 09:30:38 PM »

How did the Higgs boson get the nickname "the God particle"?

A Nobel laureate physicist from Fermilab called Leon Lederman wrote a book in the early 1990s about the search for the Higgs boson. His publishers coined the name as a marketable title for the book, but it's disliked by many scientists.

http://www.telegraph.co.uk/

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bagets · « **Reply #10 on:** July 30, 2012, 01:02:27 PM »

mao ni gikamatyan ni leonardo vetra, physicist-father ni vittoria nga partner ni robert langdon sa angels and demons by the controversial author dan brown...

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MikeLigalig.com

Author Topic: Large Hadron Collider - Higgs Boson (Read 770 times)

pioneer

Large Hadron Collider - Higgs Boson

islander

Re: Large Hadron Collider - Higgs Boson

islander

Re: Large Hadron Collider - Higgs Boson

islander

Re: Large Hadron Collider - Higgs Boson

islander

Re: Large Hadron Collider - Higgs Boson

islander

Re: Large Hadron Collider - Higgs Boson

islander

Re: Large Hadron Collider - Higgs Boson

islander

Re: Large Hadron Collider - Higgs Boson

islander

Re: Large Hadron Collider - Higgs Boson

islander

Re: Large Hadron Collider - Higgs Boson

bagets

Re: Large Hadron Collider - Higgs Boson