Backward spin polarizability gamma(pi) of the proton
2002 | journal article. A publication with affiliation to the University of Göttingen.
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Backward spin polarizability gamma(pi) of the proton
Camen, M.; Kossert, K.; Wissmann, F.; Ahrens, J.; Arends, H. J.; Beck, R. & Caselotti, G. et al. (2002)
PHYSICAL REVIEW C, 65(3) art. 032202. DOI: https://doi.org/10.1103/PhysRevC.65.032202
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Details
- Authors
- Camen, M.; Kossert, K.; Wissmann, F.; Ahrens, J.; Arends, H. J.; Beck, R.; Caselotti, G.; Grabmayr, P.; Harty, P. D.; Jahn, Olaf; Jennewein, P.; Kondratiev, R.; Levchuk, M. I.; Lisin, V.; L'vov, A. I.; McGeorge, J. C.; Natter, A.; de Leon, V. O.; Schumacher, M.; Seitz, Bjoern; Smend, F.; Thomas, Andy; Weihofen, W.; Zapadtka, F.
- Abstract
- Using the Mainz 48 cm 0 x 64 cm NaI(Tl) detector and the segmented Gottingen recoil detector SENECA in coincidence, Compton scattering by the proton at theta(gamma)(lab) = 136degrees has been measured at MAMI (Mainz) in the energy range from 200 to 470 MeV. The new data confirm the previous observation that there is a systematic discrepancy between MAMI and LEGS (Brookhaven) data leading to different spin polarizabilities gamma(pi) = -38.7 +/- 1.8 and -27.2 +/- 3.1 (x10(-4) fm(4)), respectively.
- Issue Date
- 2002
- Status
- published
- Publisher
- American Physical Soc
- Journal
- PHYSICAL REVIEW C
- ISSN
- 0556-2813
