What Drives the Creation of Antimatter in High-Energy Collisions?

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    Antimatter
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Discussion Overview

The discussion centers around the creation of antimatter, particularly in the context of high-energy collisions, such as those occurring at particle accelerators like the LHC. Participants explore the physics behind antimatter production, including theoretical frameworks and conservation laws involved in particle interactions.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant seeks a detailed explanation of how antimatter is created, expressing frustration over the lack of depth in existing discussions.
  • Another participant distinguishes between the creation of antimatter in particle accelerators and in the early universe, suggesting that the latter is more complex.
  • A suggestion is made to explore "Pair Production" as a relevant concept for understanding antimatter creation.
  • It is noted that high-energy collisions adhere to conservation laws, such as charge and momentum, which govern the characteristics of the resulting particles.
  • Participants mention that antiparticles, which constitute antimatter, have the same mass as their corresponding particles but possess opposite charge and quantum spin.
  • One participant emphasizes that antiparticles are generated in various high-energy environments throughout the universe.

Areas of Agreement / Disagreement

Participants express differing views on the complexity of antimatter creation in different contexts, with no consensus reached on the specifics of the mechanisms involved.

Contextual Notes

Participants reference various concepts and external resources, indicating that understanding may depend on prior knowledge of particle physics and specific terminology, such as "quantum numbers" and "Feynman diagrams." Some assumptions about the audience's familiarity with these concepts may limit accessibility.

Ralphonsicus
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How is antimatter created? I'd like an in-depth answer because it is never really mentioned, the physics behind its creation. All that is ever said is, ''after accelerating particles and colliding them at the LHC...''.

Thanks.
 
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Hi.

Are You interested in creation of antimatter in accelerators or in early universe? I'm asking because creation of matter and antimatter in very early universe is quite hard. On the other hand, accelerator creation is quite easy. Keywords: Feynman diagram, quantum vacuum. If so, maybe this link might help a bit: http://www.upscale.utoronto.ca/GeneralInterest/Harrison/AntiMatter/AntiMatter.html.

Cheers.
 
Last edited:
Ralphonsicus said:
How is antimatter created? I'd like an in-depth answer because it is never really mentioned, the physics behind its creation. All that is ever said is, ''after accelerating particles and colliding them at the LHC...''.

Thanks.

Please start by reading (either in the numerous threads here on PF or on various websites) "Pair Production" as an example.

Zz.
 
High energy collisions break stuff into pieces...but those pieces in aggregate are required to follow certain conservation laws ...like, charge and momentum for example...so the original particle and its later pieces are linked in their characteristics...so for example, you can't break up a neutron and get three electrons...

Another way to say this: quantum numbers must be conserved...
for more see Pair Pproduction:
http://en.wikipedia.org/wiki/Pair_production

Also try reading here:

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

I brief,
...In particle physics, antimatter is material composed of antiparticles, which have the same mass as particles of ordinary matter but have opposite charge and quantum spin. Antiparticles bind with each other to form antimatter in the same way that normal particles bind to form normal matter...

Antiparticles are created everywhere in the universe where high-energy particle collisions take place.
 

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