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Measurement of the beam-recoil polarization in low-energy virtual Compton scattering from the proton

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  • A1 Collaboration
Abstract
Double-polarization observables in the reaction (e) over right arrow ep -> e'(p) over right arrow'gamma have been measured at Q(2) = 0.33 (GeV/c)(2). The experiment was performed at the spectrometer setup of the A1 Collaboration using the 855 MeV polarized electron beam provided by the Mainz Microtron (MAMI) and a recoil proton polarimeter. From the double-polarization observables the structure function P-LT(perpendicular to) is extracted for the first time, with the value (-15.4 +/- 3.3((stat.)-2.4) (+1.5) (syst.)) GeV-2, using the low-energy theorem for virtual Compton scattering. This structure function provides a hitherto unmeasured linear combination of the generalized polarizabilities of the proton.
Keywords
FORM-FACTORS, 3-SPECTROMETER SETUP, NUCLEON, MAMI, POLARIMETER, GENERALIZED POLARIZABILITIES

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Citation

Please use this url to cite or link to this publication:

MLA
Doria, L et al. “Measurement of the Beam-recoil Polarization in Low-energy Virtual Compton Scattering from the Proton.” PHYSICAL REVIEW C 92.5 (2015): n. pag. Print.
APA
Doria, L., Janssens, P., Achenbach, P., Ayerbe Gayoso, C., Baumann, D., Bensafa, I., Benali, M., et al. (2015). Measurement of the beam-recoil polarization in low-energy virtual Compton scattering from the proton. PHYSICAL REVIEW C, 92(5).
Chicago author-date
Doria, L, P Janssens, P Achenbach, C Ayerbe Gayoso, D Baumann, I Bensafa, M Benali, et al. 2015. “Measurement of the Beam-recoil Polarization in Low-energy Virtual Compton Scattering from the Proton.” Physical Review C 92 (5).
Chicago author-date (all authors)
Doria, L, P Janssens, P Achenbach, C Ayerbe Gayoso, D Baumann, I Bensafa, M Benali, J Beričič, JC Bernauer, R Böhm, D Bosnar, L Correa, N D’Hose, X Defaÿ, M Ding, MO Distler, H Fonvieille, J Friedrich, JM Friedrich, G Laveissière, M Makek, J Marroncle, H Merkel, M Mihovilovič, U Müller, L Nungesser, B Pasquini, J Pochodzalla, O Postavaru, M Potokar, Dirk Ryckbosch, S Sánchez Majos, BS Schlimme, M Seimetz, S Širca, G Tamas, R Van de Vyver, Luc Van Hoorebeke, A Van Overloop, Th Walcher, and M Weinriefer. 2015. “Measurement of the Beam-recoil Polarization in Low-energy Virtual Compton Scattering from the Proton.” Physical Review C 92 (5).
Vancouver
1.
Doria L, Janssens P, Achenbach P, Ayerbe Gayoso C, Baumann D, Bensafa I, et al. Measurement of the beam-recoil polarization in low-energy virtual Compton scattering from the proton. PHYSICAL REVIEW C. 2015;92(5).
IEEE
[1]
L. Doria et al., “Measurement of the beam-recoil polarization in low-energy virtual Compton scattering from the proton,” PHYSICAL REVIEW C, vol. 92, no. 5, 2015.
@article{7133848,
  abstract     = {Double-polarization observables in the reaction (e) over right arrow ep -> e'(p) over right arrow'gamma have been measured at Q(2) = 0.33 (GeV/c)(2). The experiment was performed at the spectrometer setup of the A1 Collaboration using the 855 MeV polarized electron beam provided by the Mainz Microtron (MAMI) and a recoil proton polarimeter. From the double-polarization observables the structure function P-LT(perpendicular to) is extracted for the first time, with the value (-15.4 +/- 3.3((stat.)-2.4) (+1.5) (syst.)) GeV-2, using the low-energy theorem for virtual Compton scattering. This structure function provides a hitherto unmeasured linear combination of the generalized polarizabilities of the proton.},
  articleno    = {054307},
  author       = {Doria, L and Janssens, P and Achenbach, P and Ayerbe Gayoso, C and Baumann, D and Bensafa, I and Benali, M and Beričič, J and Bernauer, JC and Böhm, R and Bosnar, D and Correa, L and D'Hose, N and Defaÿ, X and Ding, M and Distler, MO and Fonvieille, H and Friedrich, J and Friedrich, JM and Laveissière, G and Makek, M and Marroncle, J and Merkel, H and Mihovilovič, M and Müller, U and Nungesser, L and Pasquini, B and Pochodzalla, J and Postavaru, O and Potokar, M and Ryckbosch, Dirk and Sánchez Majos, S and Schlimme, BS and Seimetz, M and Širca, S and Tamas, G and Van de Vyver, R and Van Hoorebeke, Luc and Van Overloop, A and Walcher, Th and Weinriefer, M},
  issn         = {0556-2813},
  journal      = {PHYSICAL REVIEW C},
  keywords     = {FORM-FACTORS,3-SPECTROMETER SETUP,NUCLEON,MAMI,POLARIMETER,GENERALIZED POLARIZABILITIES},
  language     = {eng},
  number       = {5},
  pages        = {5},
  title        = {Measurement of the beam-recoil polarization in low-energy virtual Compton scattering from the proton},
  url          = {http://dx.doi.org/10.1103/PhysRevC.92.054307},
  volume       = {92},
  year         = {2015},
}

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