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Draw a feynman diagram for an antineutrino proton collision

User Mnhmilu
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2 Answers

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Final answer:

A Feynman diagram for an antineutrino-proton collision would typically illustrate the charged current interaction via the exchange of a W boson, transforming a down quark within the proton into an up quark and resulting in a neutron.

Step-by-step explanation:

The student has asked for a Feynman diagram depicting an antineutrino-proton collision. Feynman diagrams are a tool used in particle physics to represent the interactions between particles, where lines represent the various particles involved and vertices represent interactions.

In the case of an antineutrino and proton collision, one of the possible processes is the charged current interaction, where the antineutrino interacts with one of the down quarks in the proton via the exchange of a W boson, converting the down quark into an up quark and turning the proton into a neutron.

To draw this diagram, one would draw a line for the antineutrino approaching the proton from the left, a line for the proton below the antineutrino, a vertex where they interact through a W boson exchange, and the resulting neutron line emerging to the right.

Draw a feynman diagram for an antineutrino proton collision-example-1
Draw a feynman diagram for an antineutrino proton collision-example-2
User Yonexbat
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3 votes

Final Answer:

In a Feynman diagram for an antineutrino-proton collision, an incoming antineutrino (\( \bar{\\u} \)) interacts with a down-type quark (\( d \)) in the proton via the exchange of a virtual W- boson. The down-type quark transforms into an up-type quark (\( u \)), and the outgoing particles are a neutrino (\( \\u \)) and a neutron.

Step-by-step explanation:

In the realm of particle physics, Feynman diagrams serve as visual representations of particle interactions. For an antineutrino-proton collision, the process can be depicted as follows:

1. An incoming antineutrino (\( \bar{\\u} \)) approaches a down-type quark (\( d \)) within the proton.

2. A virtual W- boson is exchanged between the antineutrino and the down-type quark. The W- boson mediates the weak force interaction.

3. The down-type quark changes flavor to become an up-type quark (\( u \)).

4. The outgoing particles are a neutrino (\( \\u \)) and a neutron, which results from the transformation of the proton.

The symbols \( \bar{\\u} \) and \( \\u \) represent the antineutrino and neutrino, respectively. The interaction involves quarks within the proton, with the W- boson facilitating the weak force exchange.

While I can't provide a visual diagram in this format, you can envision the process as a series of lines and vertices connecting the particles involved. Feynman diagrams are powerful tools for understanding and representing complex particle interactions within the framework of quantum field theory.

Draw a feynman diagram for an antineutrino proton collision-example-1
User Steffen Harbich
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8.4k points