Measurement of the generalized forward spin polarizabilities of the neutron

M. Amarian, L. Auerbach, T. Averett, J. Berthot, P. Bertin, W. Bertozzi, T. Black, E. Brash, D. Brown, E. Burtin, J. Calarco, G. Cates, Z. Chai, J. P. Chen, S. Choi, E. Chudakov, E. Cisbani, C. W. de Jager, A. Deur, R. DiSalvoSonja Dieterich, P. Djawotho, J. M. Finn, K. Fissum, H. Fonvieille, S. Frullani, H. Gao, J. Gao, F. Garibaldi, A. Gasparian, S. Gilad, R. Gilman, A. Glamazdin, C. Glashausser, E. Goldberg, J. Gomez, V. Gorbenko, J. O. Hansen, B. Hersman, R. Holmes, G. M. Huber, E. Hughes, B. Humensky, S. Incerti, M. Iodice, S. Jensen, X. Jiang, C. Jones, G. Jones, M. Jones, C. Jutier, A. Ketikyan, I. Kominis, W. Korsch, K. Kramer, K. Kumar, G. Kumbartzki, M. Kuss, E. Lakuriqi, G. Laveissiere, J. Lerose, M. Liang, N. Liyanage, G. Lolos, S. Malov, J. Marroncle, K. McCormick, R. Mckeown, Z. E. Meziani, R. Michaels, J. Mitchell, Z. Papandreou, T. Pavlin, G. G. Petratos, D. Pripstein, D. Prout, R. Ransome, Y. Roblin, D. Rowntree, M. Rvachev, F. Sabatie, A. Saha, K. Slifer, P. Souder, T. Saito, S. Strauch, R. Suleiman, K. Takahashi, S. Teijiro, L. Todor, H. Tsubota, H. Ueno, G. Urciuoli, R. van der Meer, P. Vernin, H. Voskanian, B. Wojtsekhowski, F. Xiong, W. Xu, J. C. Yang, B. Zhang, P. A. Zolnierczuk

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Abstract

The generalized forward spin polarizabilities of the neutron were measured. The forward spin polarizabilities γ0 and δLT of the neutron were found to be extracted for the first time in a Q2 range from 0.1 to 0.9 GeV2. As γ0 was sensitive to nucleon resonance and δLT was insensitive to the δ resonance resonance, it was the expected that the pair of forward spin polarizabilites should provide benchmark test. The results show significant disagreement with the next-to-leading-order relativistic baryon chiral perturbation theory calculation.

Original languageEnglish (US)
Article number152301
JournalPhysical Review Letters
Volume93
Issue number15
DOIs
StatePublished - Oct 8 2004
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Amarian, M., Auerbach, L., Averett, T., Berthot, J., Bertin, P., Bertozzi, W., Black, T., Brash, E., Brown, D., Burtin, E., Calarco, J., Cates, G., Chai, Z., Chen, J. P., Choi, S., Chudakov, E., Cisbani, E., de Jager, C. W., Deur, A., ... Zolnierczuk, P. A. (2004). Measurement of the generalized forward spin polarizabilities of the neutron. Physical Review Letters, 93(15), [152301]. https://doi.org/10.1103/PhysRevLett.93.152301