Chinese Physics C > 2010, Vol. 34 > Issue(6): 863-868 DOI: 10.1088/1674-1137/34/6/041

Form factor measurements with PANDA at FAIR

E. Tomasi-Gustafsson (on behalf of the PANDA collaboration)

CEA,IRFU,SPhN, Saclay, 91191 Gif-sur-Yvette Cedex, France, and CNRS/IN2P3, Institut de Physique Nucléaire, UMR 8608, 91406 Orsay, France

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Abstract：

The high intensity and high energy antiproton beams which will be produced at
FAIR open the possibility to determine time-like electromagnetic form factors
in a wide kinematical range, through the annihilation reaction: p⁺p→e⁺+e^－. The status of the proposed experiment as well as the expected results are presented on the basis of realistic simulations. The impact of these measurements on the understanding of the nucleon structure, of the asymptotic properties of form factors and of the reaction mechanism are discussed using model independent statements based on symmetry properties of the strong and electromagnetic interactions in connection with space-like data.

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E. Tomasi-Gustafsson (on behalf of the PANDA collaboration). Form factor measurements with PANDA at FAIR[J]. Chinese Physics C, 2010, 34(6): 863-868. doi: 10.1088/1674-1137/34/6/041

E. Tomasi-Gustafsson (on behalf of the PANDA collaboration). Form factor measurements with PANDA at FAIR[J]. Chinese Physics C, 2010, 34(6): 863-868. doi:10.1088/1674-1137/34/6/041 shu

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Received: 2010-01-26
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

Form factor measurements with PANDA at FAIR

E. Tomasi-Gustafsson (on behalf of the PANDA collaboration)

CEA,IRFU,SPhN, Saclay, 91191 Gif-sur-Yvette Cedex, France, and CNRS/IN2P3, Institut de Physique Nucléaire, UMR 8608, 91406 Orsay, France

Received Date:2010-01-26
Accepted Date:1900-01-01
Available Online:2010-06-05

Abstract:

The high intensity and high energy antiproton beams which will be produced at
FAIR open the possibility to determine time-like electromagnetic form factors
in a wide kinematical range, through the annihilation reaction: p⁺p→e⁺+e^－. The status of the proposed experiment as well as the expected results are presented on the basis of realistic simulations. The impact of these measurements on the understanding of the nucleon structure, of the asymptotic properties of form factors and of the reaction mechanism are discussed using model independent statements based on symmetry properties of the strong and electromagnetic interactions in connection with space-like data.