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Why can odd spin bosons (gluons, photons) both repel and attract, but even spin bosons (gravitons) can only do one or the other? Does the Higgs boson fit this rule, i.e. does it mediate a force that is only attractive or only repulsive?

anna v
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Brent Meeker
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    related https://physics.stackexchange.com/questions/621152/how-do-bosons-cause-two-particles-to-attract-why-doesnt-the-exchange-always-re – anna v Jan 27 '22 at 04:48
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    See related posts (and links therein): https://physics.stackexchange.com/q/433678/44126, https://physics.stackexchange.com/q/77196/44126, https://physics.stackexchange.com/q/67285/44126, https://physics.stackexchange.com/q/84970/44126 – rob Jan 27 '22 at 05:05

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