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Measurement Of Proton Electromagnetic Form Factors Via The Spin Transfer Reaction 1heep
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Book Synopsis Measurement of Proton Electromagnetic Form Factors Via the Spin Transfer Reaction 1H(e,eʹp) by : Brian Dennis Milbrath
Download or read book Measurement of Proton Electromagnetic Form Factors Via the Spin Transfer Reaction 1H(e,eʹp) written by Brian Dennis Milbrath and published by . This book was released on 1996 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Proton Electromagnetic Form Factors Via the Spin Transfer Reaction by :
Download or read book Measurement of Proton Electromagnetic Form Factors Via the Spin Transfer Reaction written by and published by . This book was released on 1996 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: A measurement of GE(P)/GM(P) at squared Q values of 0.38 and 0.50 GeV(2) was performed at Bates Linear Accelerator Center using a focal plane polarimeter (FPP) to measure the recoil proton polarization following elastic scattering of polarized electrons on a hydrogen target. These are the first measurements of all three polarization components and determination of the proton's form factors via spin transfer rather than Rosenbluth separation. The ratio GE(P)/GM(P) is obtained in a nearly systematic free manner. The measured polarizations are consistent with the Plane Wave Impulse Approximation (PWIA). This is the first experiment to use the newly built BATES-FPP and that device is described in detail.
Book Synopsis Measurement of Proton Electromagnetic Form Factors in the Time-like Region Using Initial State Radiation at BESIII by : Medina Ablikim
Download or read book Measurement of Proton Electromagnetic Form Factors in the Time-like Region Using Initial State Radiation at BESIII written by Medina Ablikim and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The electromagnetic process is studied with the initial-state-radiation technique using 7.5 fb-1 of data collected by the BESIII experiment at seven energy points from 3.773 to 4.600 GeV. The Born cross section and the effective form factor of the proton are measured from the production threshold to 3.0 GeV/ using the invariant-mass spectrum. The ratio of electric and magnetic form factors of the proton is determined from the analysis of the proton-helicity angular distribution.
Book Synopsis Recoil Polarization Measurements of the Proton Electromagnetic Form Factor Ratio to High Momentum Transfer by : Andrew James Ruehe Puckett
Download or read book Recoil Polarization Measurements of the Proton Electromagnetic Form Factor Ratio to High Momentum Transfer written by Andrew James Ruehe Puckett and published by . This book was released on 2010 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: The electromagnetic form factors of the nucleon characterize the effect of its internal structure on its response to an electromagnetic probe as studied in elastic electronnucleon scattering. These form factors are functions of the squared four-momentum transfer Q2 between the electron and the proton. The two main classes of observables of this reaction are the scattering cross section and polarization asymmetries, both of which are sensitive to the form factors in different ways. When considering large momentum transfers, double-polarization observables offer superior sensitivity to the electric form factor. This thesis reports the results of a new measurement of the ratio of the electric and magnetic form factors of the proton at high momentum transfer using the recoil polarization technique. A polarized electron beam was scattered from a liquid hydrogen target, transferring polarization to the recoiling protons. These protons were detected in a magnetic spectrometer which was used to reconstruct their kinematics, including their scattering angles and momenta, and the position of the interaction vertex. A proton polarimeter measured the polarization of the recoiling protons by measuring the azimuthal asymmetry in the angular distribution of protons scattered in CH2 analyzers. The scattered electron was detected in a large-acceptance electromagnetic calorimeter in order to suppress inelastic backgrounds. The measured ratio of the transverse and longitudinal polarization components of the scattered proton is directly proportional to the ratio of form factors GE/Gpm. The measurements reported in this thesis took place at Q2 =5.2, 6.7, and 8.5 GeV 2, and represent the most accurate measurements of G' in this Q2 region to date.
Book Synopsis Recoil Polarization Measurements of the Proton Electromagnetic Form Factor Ratio to High Momentum Transfer by :
Download or read book Recoil Polarization Measurements of the Proton Electromagnetic Form Factor Ratio to High Momentum Transfer written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The electromagnetic form factors of the nucleon characterize the effect of its internal structure on its response to an electromagnetic probe as studied in elastic electronnucleon scattering. These form factors are functions of the squared four-momentum transfer Q2 between the electron and the proton. The two main classes of observables of this reaction are the scattering cross section and polarization asymmetries, both of which are sensitive to the form factors in different ways. When considering large f momentum transfers, double-polarization observables offer superior sensitivity to the electric form factor. This thesis reports the results of a new measurement of the ratio of the electric and magnetic form factors of the proton at high momentum transfer using the recoil polarization technique. A polarized electron beam was scattered from a liquid hydrogen target, transferring polarization to the recoiling protons. These protons were detected in a magnetic spectrometer which was used to reconstruct their kinematics, including their scattering angles and momenta, and the position of the interaction vertex. A proton polarimeter measured the polarization of the recoiling protons by measuring the azimuthal asymmetry in the angular distribution of protons scattered in CH2 analyzers. The scattered electron was detected in a large acceptance electromagnetic calorimeter in order to suppress inelastic backgrounds. The measured ratio of the transverse and longitudinal polarization components of the scattered proton is directly proportional to the ratio of form factors GpE=GpM. The measurements reported in this thesis took place at Q2 =5.2, 6.7, and 8.5 GeV2, and represent the most accurate measurements of GpE in this Q2 region to date.
Book Synopsis Measurement of Proton Electromagnetic Form Factors Using the Initial-state-radiation Process E+e- Ppgamma at BESIII by : Dexu Lin
Download or read book Measurement of Proton Electromagnetic Form Factors Using the Initial-state-radiation Process E+e- Ppgamma at BESIII written by Dexu Lin and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Proton and Neutron Electromagnetic Form Factors at Squared Four Momentum Transfers Up to 3 (GeV/c)2 by : W. Bartel
Download or read book Measurement of Proton and Neutron Electromagnetic Form Factors at Squared Four Momentum Transfers Up to 3 (GeV/c)2 written by W. Bartel and published by . This book was released on 1973 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
