Higgs boson scientists win Nobel prize in physics

 

The Nobel committee decided Englert and Higgs should jointly take the accolade for the boson, discovered at Cern in 2012

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Two scientists have won the Nobel prize in physics for their work on the theory of the Higgs boson.

Peter Higgs, from the UK, and Francois Englert from Belgium, share the prize.

In the 1960s, they were among several physicists who proposed a mechanism to explain why the most basic building blocks of the Universe have mass.

The mechanism predicts a particle - the Higgs boson - which was finally discovered in 2012 at the Large Hadron Collider (LHC) at Cern, in Switzerland.

Start Quote

"I am overwhelmed to receive this award... I would also like to congratulate all those who have contributed to the discovery of this new particle”

End Quote Peter Higgs Emeritus professor of theoretical physics, University of Edinburgh

"This year's prize is about something small that makes all the difference," said Staffan Normark, permanent secretary of the Royal Swedish Academy of Sciences.

'On holiday'

Prof Higgs is renowned for shying away from the limelight, and he could not be located for interview in the immediate aftermath of the announcement.

"He's gone on holiday without a phone," his Edinburgh University physics colleague Alan Walker told the BBC, adding that Higgs had also been unwell.

"He is taking a break from all of this, taking some time to relax, because he knows when he comes back he'll have to face up to a media storm."

But the university released a prepared statement from Higgs, 84, who is an emeritus professor of theoretical physics:

"I am overwhelmed to receive this award and thank the Royal Swedish Academy," he said.

The BBC's David Shukman explains exactly what the Higgs boson is

"I would also like to congratulate all those who have contributed to the discovery of this new particle and to thank my family, friends and colleagues for their support.

"I hope this recognition of fundamental science will help raise awareness of the value of blue-sky research."

Francois Englert, 80, said he was "very happy" to win the award, speaking at the ceremony via phone link.

"At first I thought I didn't have [the prize] because I didn't see the announcement," he told the committee, after their news conference was delayed by more than an hour.

Higgs was born in Newcastle upon Tyne, but it was in Edinburgh in 1964 that he had his big idea - an explanation of why the matter in the Universe has substance, or mass.

His theory involved a missing particle in the Standard Model of physics, which has come to be known as the Higgs boson.

Start Quote

The discovery last year at Cern of a particle with the correct properties confirms [the Higgs] prediction and is a triumph for theory”

End Quote Prof Stephen Hawking

Within weeks, Francois Englert had independently published his own, similar theory, alongside his now deceased colleague Robert Brout.

Three other physicists - Gerald Guralnik, Tom Kibble and Carl Hagen - also made key contributions to the theory, and spoke at the announcement of the discovery of the Higgs boson in 2012.

Hagen has long argued for the name of the particle to be changed, protesting at the "rock star" status in which Higgs is held.

And Higgs, too, has expressed his discomfort with the attention he has received, preferring to call the particle "the scalar boson".

In a statement on Tuesday, Kibble, of Imperial College London, said he was "glad" the Nobel prize had gone to the work of Higgs and Englert.

"My two collaborators, Gerald Guralnik and Carl Hagen, and I contributed to that discovery, but our paper was unquestionably the last of the three to be published.

"It is therefore no surprise that the Swedish Academy felt unable to include us, constrained as they are by a self-imposed rule that the prize cannot be shared by more than three people.

"My sincere congratulations go to the two prize winners, Francois Englert and Peter Higgs."

And the renowned physicist Prof Stephen Hawking added his praise: "In the early 60s, theorists were struggling to understand why particles have mass. Peter Higgs and Francois Englert proposed a mechanism called symmetry breaking. This mechanism also predicted a massive particle, the Higgs boson. The discovery last year at Cern of a particle with the correct properties confirms this prediction and is a triumph for theory."

Cern director general Rolf Heuer joins physicists celebrating the Nobel Prize announcement Cern director general Rolf Heuer joined physicists celebrating the announcement

Proving the theory correct took almost half a century and involved creating the biggest and most sophisticated machine humankind has ever built.

The LHC at Cern lies in a circular tunnel 27km (17 miles) round. It is so big it is partly in Switzerland, partly in France. It took 10 years and thousands of scientists and engineers to build it.

Cern director general Rolf Heuer said he was "thrilled" that this year's prize had gone to particle physics.

The man behind the boson - Peter Higgs talks to BBC Scotland

"The discovery of the Higgs boson at Cern... marks the culmination of decades of intellectual effort by many people around the world," he commented.

The Nobel prizes - which also cover chemistry, medicine, literature, peace and economics - are valued at 8m Swedish krona (£775,000; $1.2m). Laureates also receive a medal and a diploma.

The official citation for Englert and Higgs read: "For the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed through the discovery of the predicted fundamental particle, by the Atlas and CMS experiments at Cern's Large Hadron Collider".

David Willetts, UK minister for universities and science, said the award was "an incredible endorsement of the quality of UK science".

Prime Minister David Cameron said: "This brilliant achievement is richly deserved recognition of Peter Higgs' lifetime of dedicated research and his passion for science.

"It is also a credit to the world-leading British universities in which this research was carried out.

"It took nearly 50 years and thousands of great minds to discover the Higgs boson after Prof Higgs proposed it, and he and all those people should be extremely proud."

Best explanation of Higgs boson?
Image shows room full of people Scientists' best theory for why different things have mass is the "Higgs field" - where mass can be seen as a measure of the resistance to movement. The "Higgs field" is shown here as a room of physicists chatting among themselves.
Room full of people, new scientist enters the room A well-known scientist walks into the room and causes a bit of a stir - attracting admirers with each step and interacting strongly with them - signing autographs and stopping to chat.
Crowd gathers round well-known scientist As she becomes surrounded by admiring fans, she finds it harder to move across the room - in this analogy, she acquires mass due to the "field" of fans, with each fan acting like a single Higgs boson.
Two crowds around different scientists, one big, one small If a less popular scientist enters the room, only a small crowd gathers, with no-one clamouring for attention. He finds it easier to move across the room - by analogy, his interaction with the bosons is lower, and so he has a lower mass.
 

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  • rate this
    +28

    Comment number 434.

    I encourage all those who think this and other science projects are a waste of time, to consider the technology we take for granted today. People stood with gasps of amazement at Davey's light bulb many years ago, now we simple turn the light bulb on and forget. For good or bad science is everything and has lead to all around us in one way or other. Therefore, don't be ignorant towards it.

  • rate this
    -202

    Comment number 33.

    This is a joke, right?

    I defy anyone posting to explain what was found at CERN, if in fact the experiment's' were in fact that.

    Quoting the BBC, quoting experts in the field of cow pat ~‘ Both of the Higgs boson-hunting experiments at the LHC see a level of certainty in their data worthy of a "discovery".

    More work will be needed to be certain that what they see is a Higgs, however.

  • rate this
    +194

    Comment number 31.

    Fantastic! A well-deserved award.

    CERN is a perfect example of what can be achieved with international co-operation and proper funding. It costs a fraction of what we spend waging war.

    Putting our resources into killing each other instead of working together is a form of madness which humanity may not survive. Through the collective pursuit of knowledge we could build a new and better era.

  • rate this
    +87

    Comment number 20.

    This has to be the least surprising announcement in science for years! Of course they've won it, nothing else has come close to having such a significant impact on physics in recent years. Excellent work, well deserved reward!

  • rate this
    -338

    Comment number 3.

    100% Pointless? Check.
    100% Waste of Money? Check.
    100% Irrelevant? Check.

    Now all we need is someone with an inflated sense of intelligence to tell us why it's necessary in several hundred thousand words.

    What we really need is a new source of energy (and quickly, not something that will take a couple of hundred years to study).

 
 

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