Has the Higgs Boson Particle Been Discovered at Cern?

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Discussion Overview

The discussion centers around the potential discovery of the Higgs boson particle at CERN, exploring the implications of such a finding, the significance of the results, and the ongoing speculation surrounding the announcement. Participants engage in technical reasoning, speculation about the nature of the particle, and the broader impact on the Standard Model of particle physics.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Speculative

Main Points Raised

  • Some participants express excitement about the potential announcement of the Higgs boson discovery, with references to the significance of the particle in providing mass to other particles.
  • There are multiple speculations regarding the timing of the announcement and the nature of the findings, with some questioning why CERN would delay if they had already confirmed the discovery.
  • Some participants discuss the implications of a 125 GeV mass for the Higgs boson, suggesting it may favor a supersymmetric extension of the Standard Model over a simpler model.
  • One participant highlights the challenges in confirming the properties of the Higgs boson, noting that while evidence suggests it decays to two photons, further analysis is needed to confirm its characteristics.
  • Concerns are raised about whether the observed particle is indeed the Higgs boson or potentially something else, with some expressing skepticism about the certainty of the findings.
  • There is mention of the theoretical implications of the Higgs particle being a fundamental scalar, with discussions on the complexities and challenges associated with scalar field theory.
  • Participants share links to live coverage and updates from CERN, indicating a desire to stay informed about the latest developments.

Areas of Agreement / Disagreement

Participants express a mix of excitement and skepticism regarding the discovery of the Higgs boson. While some seem to lean towards the belief that the findings align with the Standard Model, others question the certainty of the results and the possibility of alternative explanations. The discussion remains unresolved with competing views on the implications of the findings.

Contextual Notes

There are references to the preliminary nature of the findings and the need for further analysis to confirm the properties of the observed particle. Some statements reflect uncertainty about the validity of the data and the interpretations being made.

Who May Find This Useful

Readers interested in particle physics, the Standard Model, and the implications of the Higgs boson discovery may find this discussion relevant.

  • #181
Searches for SUSY (=supersymmetry) particles are a big part of the physics analyses done with the ATLAS and CMS detectors.
So far, none were found. We'll see what happens in 2015 with the increased energy.
 
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  • #182
We hear people talking about the "party model" of the Higgs boson, but what made that particle so popular in the first place? In a technical question:What makes matter interact with the higgs in the first place?
 
  • #183
Shin204 said:
We hear people talking about the "party model" of the Higgs boson, but what made that particle so popular in the first place?
According to Boston Globe:
The celebrity analogy, for instance, was first concocted in 1993 by David Miller, a physicist at University College London. Miller submitted it as one of the winning entries to a challenge posed by UK Science Minister William Waldegrave: On one sheet of paper, explain what the Higgs boson is and why it’s important to find it.

In a technical question:What makes matter interact with the higgs in the first place?
There is no known deeper reason why things interact. We just observe those interactione and can describe them with formulas.
 
  • #184
Additionally to mfb's P#183 and why the matter interacts with Higgs:
They interact because they are allowed by the current symmetries... If some interaction terms are allowed by your theory's symmetries, then you have to take them into account. If these interactions happen not to exist, one can postulate additional symmetries to set the coupling constants to zero (so that you won't have naturalness problems - coupling constants extremely small). And although the general symmetry allows those terms, the extra one is going to kill them.
 
  • #186
http://cms.web.cern.ch/sites/cms.we...public/field/image/image1_1.png?itok=fibts9L4

http://www.atlas.ch/news/images/stories/1-plot.jpg

Here are the graphs which showed the Higgs discovery from CMS and ATLAS. It's the graphs which made those two organizations to publish the papers in which they claimed to have found a new particle. From an experimental point of view, these results only need better statistical corrections which will be available by the time LHC starts operating again. It is a common knowledge however, and after further studies, that the new particle is indeed the Higgs and we only need time to pile up more data to get better sigmas.
 
Last edited by a moderator:
  • #187
euclideanspace said:
This article is from 2012, one week after the discovery of the particle got announced. It is completely outdated.

It is uncontroversial that ATLAS and CMS found "a" Higgs boson. There might be more (but nothing else has been found so far), but the new particle is clearly a Higgs boson.

New results indicate that new particle is a Higgs boson (March 2013)
The birth of a Higgs boson (May 2013 - it is simply called "Higgs boson" since then).
 
  • #188
additionally again, it's a Standard Model Higgs (un)fortunately...without making clear whether there is any more extra physics beyond it or not... leaving us only with the chance of finding a 2nd one or not to make sure. Am I the only one who finds this irritating? Out of so much free region, for it to go and "stand" right between the MSSM and SM limits...
http://indico.cern.ch/event/186656/session/0/contribution/4/material/slides/0.pdf
 
  • #189
There is a thread like this every week, just see one of the other 100 duplicates, damn. seriously someone give me a week we went without a "higgs particle found?" In the high energy and nuclear physics section. Not a rhetorical question.
 
  • #190
The last post in this thread was in July 2014.
 
  • #191
was in front page, many apologies. Must have been made a sticky for that reason.
 
  • #192
It is sticky for exactly that reason.
 

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