Recoil polarimetry with the Crystal Ball at MAMI

for the; Crystal Ball; at MAMI; and A

doi:10.1088/1674-1137/33/12/021

Chinese Physics C> 2009, Vol. 33> Issue(12) : 1183-1188 DOI: 10.1088/1674-1137/33/12/021

Recoil polarimetry with the Crystal Ball at MAMI

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Abstract：
The spectrum and properties of the excited states of the nucleon are still poorly established despite decades of study. These proceedings describe new measurements of pseudo-scalar meson photoproduction at the Crystal Ball at MAMI, employing a new large acceptance nucleon recoil polarimeter. The double- and single-polarisation observables obtained will provide valuable and unique data to be used as part of the world effort to improve our knowledge of this fundamental spectrum.

References

[1]

. Klempt E, Richard J M. arXiv:0901.2055, 20092. Beluva J M et al. Phys. Rev. D, 2009, 79: 0345053. De Teramond G, Brodsky S J. Phys. Rev. Lett., 2005, 94:2016014. Roberts C D. Chin. Phys. C (HEP NP), 2009, 33:5. Chiang W Y, Tabakin F. Phys. Rev. C, 1996, 55: 20546. Barker I S, Donnachie A, Storrow J K. Nucl. Phys. B, 1975,95: 3477. Starostin A et al (Crystal Ball collaboration). Phys. Rev.C, 2001, 64: 0552058. Watts D. Crystal Ball at MAMI collaboration and A2 col-laboration, in: Calorimetry in Particle Physics: Proceed-ings of the 11th International Conference, Perugia, Italy,2004, edited by Cecchi C, Cenci P, Lubrano P, Pepe M.Singapore: World Scientific, 2005. 5609. Novotny R. IEEE Trans. Nucl. Sci., 1991, 38: 37910. Nucl. Instr. Meth. A, 2003, 506: 25011. Wijesooriya K. Phys. Rev. C, 2002, 66: 03461412. Roberts W, Oed T. Phys. Rev. C, 2005, 71: 055201

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for the, Crystal Ball, at MAMI and and A. Recoil polarimetry with the Crystal Ball at MAMI[J]. Chinese Physics C, 2009, 33(12): 1183-1188. doi: 10.1088/1674-1137/33/12/021

for the, Crystal Ball, at MAMI and and A. Recoil polarimetry with the Crystal Ball at MAMI[J]. Chinese Physics C, 2009, 33(12): 1183-1188. doi: 10.1088/1674-1137/33/12/021 shu

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Received: 2009-08-07
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Recoil polarimetry with the Crystal Ball at MAMI

Received Date: 2009-08-07
Accepted Date: 1900-01-01
Available Online: 2009-12-05

Abstract:

The spectrum and properties of the excited states of the nucleon are still poorly established despite decades of study. These proceedings describe new measurements of pseudo-scalar meson photoproduction at the Crystal Ball at MAMI, employing a new large acceptance nucleon recoil polarimeter. The double- and single-polarisation observables obtained will provide valuable and unique data to be used as part of the world effort to improve our knowledge of this fundamental spectrum.