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SUMMARY:COMPASS++/AMBER and the Proton Radius Puzzle
DTSTART;VALUE=DATE-TIME:20190228T101000Z
DTEND;VALUE=DATE-TIME:20190228T103000Z
DTSTAMP;VALUE=DATE-TIME:20260717T175045Z
UID:indico-contribution-698@indico.inp.nsk.su
DESCRIPTION:Speakers: Jan Friedrich (TU München)\nCERN provides the large
  variety of high-energy beams for nuclear and particle physics research. O
 ne is the beam line M2 which is optimized to deliver an intense muon beam\
 , but also hadron beams of both polarities. They are brought to an overgro
 und hall\, which is used since many years almost exclusively by the COMPAS
 S collaboration\, with a broad experimental physics program on Quantum Chr
 omodynamics (QCD). The most relevant results and activities of the collabo
 ration\, in terms of pion-photon reactions for determination of the chiral
  anomaly and the related radiative width of the rho meson\, will be discus
 sed.\n\nSince many questions around QCD remain still open\, the follow-up 
 facility COMPASS++/AMBER is envisaged\, aiming at up-to-date detector arch
 itecture and a large variety of measurements. They range from lowest-Q2 ph
 ysics as the determination of the proton radius from elastic muon-proton s
 cattering\, to average-Q2 reactions for hadron spectroscopy\nand high-Q2 h
 adron structure investigations via the Drell-Yan process and deeply-virtua
 l Compton scattering.\n\nThe recently submitted Letter of Intent for COMPA
 SS++/AMBER will be discussed. Focus will be given to the elastic muon-prot
 on scattering measurement\, that may contribute significantly to solve the
  proton radius puzzle due to the usage of a high-energy muon beam.\n\nhttp
 s://indico.inp.nsk.su/event/15/contributions/698/
LOCATION: Conference room
URL:https://indico.inp.nsk.su/event/15/contributions/698/
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