> On 27 May 2019, at 14:42, John Clark <[email protected]> wrote:
> 
> On Mon, May 27, 2019 at 7:41 AM Bruno Marchal <[email protected] 
> <mailto:[email protected]>> wrote:
>> On 24 May 2019, at 02:26, Lawrence Crowell <[email protected] 
>> <mailto:[email protected]>> wrote:
> >> My area is physics, and have written on the connection between spacetime 
> >> or gravitation with particle physics. Cosmin wanted to see the Higgs 
> >> boson, and that is about it. It may be disappointing, but the particle 
> >> only last about 10^{-25} seconds on a path 10^{-15}cm long. So we detect 
> >> this field by the particles it decays into. Since it requires a lot of 
> >> energy the machine is large, the detectors are large and it is a major 
> >> undertaking. I don't have Higgs particles in my pocket.
> 
> > Really? How does your handkerchief get a mass? 
> 
> The mass of the electrons and quarks in the handkerchief come from the Higgs 
> field but if you add it all up it that only amounts to about 1% of the mass 
> of the handkerchief. The remaining 99% comes from the strong force binding 
> energy that keeps quarks inside of protons and neutrons, although many of the 
> details remain unclear and this area is on the frontier of modern physics 
> research.

OK. I though that even the mass coming from the binding of the quark came 
ultimately from the Higgs Boson. I guess I was wrong. I will have to rethink 
all this.

Bruno



> 
> John K Clark  
> 
> 
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