
#1
Jan2913, 01:22 PM

P: 2

How can we propose the existence of a massless graviton when the recent discovery of the higgs boson means that there is a Higgs field that endows everything with mass? Doesn't the higgs field disprove the graviton? In that case, we would now have no idea where gravity fundamentally comes from, right?




#2
Jan2913, 01:46 PM

Mentor
P: 10,808





#4
Jan2913, 04:27 PM

P: 2

Graviton vs Higgs boson 



#5
Jan2913, 04:44 PM

Sci Advisor
Thanks
P: 3,853

The role played by the Higgs field is to break electroweak symmetry. As a side effect, it allows those particles that participate in the weak interaction to have mass. Gluons do not feel the weak force, and are for that reason unaffected. Photons remain massless basically because the Higgs field is neutral, and so the vacuum remains invariant under the electromagnetic gauge, This topic has been discussed here many, many times before. If you look down at the bottom of this page you will find links to some of the earlier discussions. 



#6
Jan3013, 12:37 AM

P: 977

here is a post by Sam which clarifies the idea of photon not getting mass in electroweak symmetry breaking




#7
Jan3013, 06:01 PM

Sci Advisor
P: 5,307




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