[Jlab-seminars] Today's Physics Seminar: Michael Murray; Photon Physics at the Large Hadron Collider

[Stephanie Tysor]

*Physics Seminar*

*Michael Murray*

**

*University of Kansas*

/Photon Physics at the Large Hadron Collider/

//

*Abstract:*

The LHC was designed to produce proton-proton, proton-lead and lead-lead 
collisions at TeV energies. Due to the long range of the electromagnetic 
interaction and the very high Lorentz factor the LHC also produces huge 
number of high energy photon-proton, photon-lead and photon-photon 
interactions.  Such interactions can be identified by all four of the 
LHC experiments and allow us to use the photon as a probe of the low x 
part of the proton and lead wavefuctions. Such experiments can be 
thought of as precursor measurements for an electron ion collider. In 
addition, recent data from ATLAS and CMS suggest the possibility of a 
new particle with mass in the 750 GeV range that decays into two 
photons. The Precision Proton Spectrometer may be able to confirm the 
production of such a particle in the photon-photon channel by detecting 
the two diffracted protons in the LHC tunnel.

**

*Friday, April 1, 2016*

*11:00 am*

*CEBAF Auditorium*

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