Is the LHC the key to solving the mystery of elementary particle mass?

Click For Summary

Discussion Overview

The discussion centers on the role of the Large Hadron Collider (LHC) in addressing questions related to the mass of elementary particles, particularly in the context of the Big Bang Theory (BBT) and the Standard Model of particle physics. Participants explore the criticisms of BBT regarding its explanations for particle mass and the implications of the Higgs boson discovery.

Discussion Character

  • Debate/contested
  • Technical explanation
  • Exploratory

Main Points Raised

  • Some participants question the validity of claims made by the Science Channel regarding BBT's inability to explain how elementary particles acquire mass.
  • Others assert that while the Standard Model explains how particles gain mass, it does not clarify why the masses have their specific values.
  • There is a suggestion that the LHC could provide insights into the Higgs mechanism, potentially addressing open questions about particle masses.
  • One participant emphasizes that BBT does not attempt to explain the initial event of the Big Bang itself, but rather describes the universe's evolution afterward.
  • Concerns are raised about the accuracy of scientific information presented in media, with skepticism about the motivations behind such portrayals.
  • A humorous reference to "BarBecue Theory" is made, indicating a playful approach to the discussion while highlighting the confusion around terminology.

Areas of Agreement / Disagreement

Participants express differing views on the adequacy of BBT and the Standard Model in explaining particle mass. There is no consensus on whether the criticisms of BBT are valid or how the LHC's findings might resolve these issues.

Contextual Notes

Participants note that there are many open questions regarding the early universe and particle physics, and that the LHC's capabilities may not fully recreate the conditions of the early universe. The discussion reflects ongoing uncertainties in the field.

Force1
The Science Channel is running an hour program on the LHC. They make a statement that the pages and pages of equations that describe BBT don't actually work because they don't explain how the elementary particles get their mass.

How does this criticism get addressed or is it actually true?
 
Physics news on Phys.org
What is BBT ?
 
Force1 said:
The Science Channel is running an hour program on the LHC. They make a statement that the pages and pages of equations that describe BBT don't actually work because they don't explain how the elementary particles get their mass.

How does this criticism get addressed or is it actually true?
What do you call BBT ? The standard model of elementary particle physics does explain how particles get their mass, what it does not explain is what makes the values of the mass what they are. Why would you expect a television channel to provide you with accurate scientific information ? Television aims at making audience, certainly not informing the public (which would be dangerous), or I am too cynical ?

edit
collision with Malawi
On a second thought, maybe the OP refers to BarBecue Theory, which certainly does not explain the masses of particles.
 
Last edited:
Force1 said:
The Science Channel is running an hour program on the LHC. They make a statement that the pages and pages of equations that describe BBT don't actually work because they don't explain how the elementary particles get their mass.

How does this criticism get addressed or is it actually true?

Welcome to PhysicsForums, Force1!

It would be completely misleading to say that Big Bang Theory is wrong ("equations ... don't work") because it does not answer every possible question about physics. There are plenty of open questions about the very early universe, and experiments are underway to answer these as best possible. There is no guarantee that answers will be found to all of these questions. It's not like we can actually re-create those early conditions in the laboratory. The LHC gets us closer, but in terms of the very early universe (10^-43 seconds) it is a far cry away.

If I recall what they are saying in that particular show, they indicate that Einstein's General Theory of Relativity breaks down at that point in the very early universe. This is a true statement, and has little or nothing to do with Big Bang Theory itself. The Big Bang was an initial event and the current theory describes the evolution of the universe subsequent to the Big Bang in many particulars. The theory does NOT attempt to explain the reason for the initial event itself. It is hoped that future science might someday go there (i.e. new theory and experimental evidence to indicate the cause of the BB) but that is speculative.

As to elementary particle masses, I think the observation of the Higgs might answer a lot of open questions regarding the Standard Model. This is an exciting time in physics, and there is a lot of great research going on.
 
DrChinese said:
Welcome to PhysicsForums, Force1!

It would be completely misleading to say that Big Bang Theory is wrong ("equations ... don't work") because it does not answer every possible question about physics. There are plenty of open questions about the very early universe, and experiments are underway to answer these as best possible. There is no guarantee that answers will be found to all of these questions. It's not like we can actually re-create those early conditions in the laboratory. The LHC gets us closer, but in terms of the very early universe (10^-43 seconds) it is a far cry away.

If I recall what they are saying in that particular show, they indicate that Einstein's General Theory of Relativity breaks down at that point in the very early universe. This is a true statement, and has little or nothing to do with Big Bang Theory itself. The Big Bang was an initial event and the current theory describes the evolution of the universe subsequent to the Big Bang in many particulars. The theory does NOT attempt to explain the reason for the initial event itself. It is hoped that future science might someday go there (i.e. new theory and experimental evidence to indicate the cause of the BB) but that is speculative.

As to elementary particle masses, I think the observation of the Higgs might answer a lot of open questions regarding the Standard Model. This is an exciting time in physics, and there is a lot of great research going on.
Thank you Doctor, but I was talking about Bar-B-Q theory.

No, just kidding. Thank you; you are a gentleman.
 
humanino said:
What do you call BBT ? The standard model of elementary particle physics does explain how particles get their mass, what it does not explain is what makes the values of the mass what they are. Why would you expect a television channel to provide you with accurate scientific information ? Television aims at making audience, certainly not informing the public (which would be dangerous), or I am too cynical ?

edit
collision with Malawi
On a second thought, maybe the OP refers to BarBecue Theory, which certainly does not explain the masses of particles.
OK, so we are looking to the LHC to explain what makes the values of the mass what they are. If they confirm the Higgs mechanism by finding the decay of the Higgs boson will that mean that the equations that describe the mass of the elementary particles will be complete or at least can then be completed to give the correct values?
 

Similar threads

  • · Replies 69 ·
3
Replies
69
Views
15K
  • · Replies 4 ·
Replies
4
Views
4K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 9 ·
Replies
9
Views
4K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 49 ·
2
Replies
49
Views
13K
  • · Replies 0 ·
Replies
0
Views
3K
  • · Replies 7 ·
Replies
7
Views
6K
  • · Replies 1 ·
Replies
1
Views
4K
  • · Replies 2 ·
Replies
2
Views
3K