How does the Higgs mechanism explain the origin of mass in particles?

In summary: The Standard Model of particle physics is based on the theory that such a field exists, although it allows for variants of the theory where the details of the Higgs field and number of related Higgs bosons can differ. Preliminary CERN results suggest that a Higgs particle may have been found.
  • #1
AbsoluteZer0
125
1
Hi,

As I understand, please correct me if I'm wrong, when a subatomic particle interacts with the Higgs field it generates mass due to the higgs mechanism. Does this have anything to do with with e = mc2? (I'm not too privy to particle physics or relativity.)

Suppose an electron and a positron pair interacts with the Higgs field. Does 1MeV of energy from the Higgs field 'congeal' into the mass of the two particles?

Thanks,
 
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  • #2
With E=mc^2 (better: E=γmc^2), you can calculate the energy corresponding to the mass of a particle.

The Higgs field gives an electron a mass of 9*10^(-31)kg, which is (-> special relativity) equivalent to 511 keV.
 
  • #3
With E=mc^2 (better: E=γmc^2), you can calculate the energy corresponding to the mass of a particle.

E = mc2 gives the equivalent energy to the rest mass of a electron. It is in the frame of the particle...that is moving with the particle. That does not change with relative velocity. Likewise the mass imparted by the Higgs field is rest mass.

Wikipedia still says:
The Standard Model of particle physics is based on the theory that such a field exists, although it allows for variants of the theory where the details of the Higgs field and number of related Higgs bosons can differ.

http://en.wikipedia.org/wiki/Higgs_field

but now reflects preliminary CERN results...a Higgs particle MAY have been found.

Elsewhere in these forums, some 'experts' here think there is a single Higgs field (a single Higgs particle]. In some models, I've read different Higgs field affects different elementary particles...there are multiple Higgs fields. As you likely know, the positron is the anti particle of the electron, and being an elementary particle, is imparted a mass equal to that of the electron.

'congeal' is likely a premature designation:
Also from Wikipedia:
"The Higgs mechanism shows how some particles can gain mass by symmetry breaking without affecting parts of current physics theory that are believed approximately correct. The existence of some kind of symmetry breaking Higgs mechanism is believed proven, however there are a number of ways it could happen and physicists have not yet determined which of these takes place in nature, or whether the mechanism arises in some other way not yet identified."
 

1. What is the Higgs mechanism?

The Higgs mechanism is a theoretical concept in particle physics that explains how particles acquire mass. It proposes the existence of a field called the Higgs field, which permeates all of space and interacts with particles to give them mass.

2. Who proposed the Higgs mechanism?

The Higgs mechanism was first proposed in 1964 by three independent groups of physicists: Peter Higgs, François Englert and Robert Brout, and Gerald Guralnik, C. R. Hagen, and Tom Kibble.

3. How does the Higgs mechanism work?

The Higgs mechanism works by particles interacting with the Higgs field, which gives them mass. The more a particle interacts with the Higgs field, the heavier it becomes. Particles that do not interact with the Higgs field are massless, such as photons.

4. What is the significance of the Higgs mechanism?

The Higgs mechanism is significant because it provides a theoretical framework for understanding the origin of mass in the universe. It also helps explain the symmetry breaking that occurred in the early universe, leading to the formation of particles and the existence of different forces.

5. Has the Higgs mechanism been proven?

The Higgs mechanism has not been directly proven, but it is supported by experimental evidence such as the discovery of the Higgs boson at the Large Hadron Collider in 2012. Scientists continue to conduct experiments and research to further understand and validate the Higgs mechanism and its role in the universe.

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