Beam-Induced Nuclear Depolarisation in a Gaseous Polarised Hydrogen Target
K. Ackerstaff
Abstract
Spin-polarised atomic hydrogen is used as a gaseous polarised proton target in high energy and nuclear physics experiments operating with internal beams in storage rings. When such beams are intense and bunched, this type of target can be depolarised by a resonant interaction with the transient magnetic field generated by the beam bunches. This effect has been studied with the HERA positron beam in the HERMES experiment at DESY. Resonances have been observed and a simple analytic model has been used to explain their shape and position. Operating conditions for the experiment have been found where there is no significant target depolarisation due to this effect.
Create a lesson
Related papers
Operational Challenges in Efficient and Sustainable Operation of the Event Processing Nodes GPU Farm at the ALICE Experiment
Federico Ronchetti, Giada Erba
Measurements of isolated photon pair production in association with jets in pp collisions at s = 8 TeV with the ATLAS detector
ATLAS Collaboration
Projected sensitivity of the detector to photophobic and fermion-coupled axion-like particles
Riley Aumonier, Oleg Brandt, Theo Reymermier et al.
Search for heavy neutral leptons in top quark decays with same-sign, same-flavor dilepton final states in proton-proton collisions at s = 13 TeV
CMS Collaboration
A New Precise Measurement of the e+e-π+π-(γ) Cross Section with the Initial-State Radiation Method at BaBar
BaBar Collaboration
A New Precise Measurement of the e+e-π+π-(γ) Cross Section with the Initial-State Radiation Method at BaBar
BaBar Collaboration