Electromagnetic properties of light nuclei

Presentation on theme: "Electromagnetic properties of light nuclei"— Presentation transcript:

1 Electromagnetic properties of light nuclei
董宇兵（Yubing Dong） Institute of High Energy physics, Chinese Academy of Sciences 2019/9/18 15强子物理与核物理前沿研讨会

2 Contents I, Motivation: Electromagnetic probes
Proton, Light nuclei : Deuteron, He-3… II, Deuteron Form Factors III, He-3 target IV, Generalized parton distribution functions V, Few remarks 15强子物理与核物理前沿研讨会 2019/9/18

3 I,Motivation: Parton distribution functions
Parton distribution functions Generalized parton distribution functions 2019/9/18 15强子物理与核物理前沿研讨会

4 Form factors of Nucleon (from ep)
Nucleon has its intrinsic structure p(uud), n(udd) Photon and nucleon interaction is not point-like The fundamental properties of nucleon :Charge and magnetization distributions Test model calculations of the intrinsic structure of nucleon One-photon exchange Electron-photon： Nucleon EM vertex： 2019/9/18 15强子物理与核物理前沿研讨会

5 Measurement —Rosenbluth Separation (OPE) Differential cross section：
Form factors of Nucleon In OPE Space like Measurement —Rosenbluth Separation (OPE) Differential cross section： 2019/9/18 15强子物理与核物理前沿研讨会

6 Parton distribution functions (quark, gluon)
Generalized parton distributions 2019/9/18 15强子物理与核物理前沿研讨会

7 FFs and GPDs of nucleon 2019/9/18 15强子物理与核物理前沿研讨会

8 II, Deuteron form factors (Spin=1, pn Sys
II, Deuteron form factors (Spin=1, pn Sys.) eD elastic scattering (OPE) Electron-deueron elastic scattering (OPE) D D Deuteron: spin-1 particle 2019/9/18 15强子物理与核物理前沿研讨会

9 Deuteron form factors (parameterizations, PRC73,(2006))
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10 Approach (phenomenological )
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11 Deuteron EM form factors(vertex)
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13 Weekly bound system of ppn (3-body) Nucleus
III, He-3 Form factors Spin-1/2 particle Weekly bound system of ppn (3-body) Nucleus 2019/9/18 15强子物理与核物理前沿研讨会

14 Diagonal case (ξ = 0) 2019/9/18 15强子物理与核物理前沿研讨会

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16 Summary (Deuteron and He-3):
The deuteron properties are expressed in terms of the nucleon form factors as well as loop integral Deuteron EM properties are studied with a Phenomenological effective approach He-3 EM properties are studied with a Phenomenological effective approach The He-3 properties are expressed in terms of the nucleon form factors as well as GPDs The application of this approach to other light nucleus is expected. 2019/9/18 15强子物理与核物理前沿研讨会

17 GPDs of deuteron (Spin-1)
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18 Symmetries (Time reversal) Relations and sum rules
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21 Nucleon PDFs 2019/9/18 15强子物理与核物理前沿研讨会

22 Discussions for tensor structure function
Deuteron Tensor structure function measured in DESY is sensitive to the small x-region (EIC). 2019/9/18 15强子物理与核物理前沿研讨会

23 Few remarks at RHIC: eRHIC at Jlab. :MEIC(1)+ELIC at LHC : LHeC
at GSI/FAIR: ENC 2019/9/18 15强子物理与核物理前沿研讨会

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25 Future Experiment in China
High Intensity Heavy Ion Advanced(HIAF) Facility Electron energy 3 GeV Proton energy 12 GeV Luminosity double polarizations (electron and ion beam) 2019/9/18 15强子物理与核物理前沿研讨会

26 Thanks…… 2019/9/18 15强子物理与核物理前沿研讨会

27 Deuteron form factors (Approach, the simplest case)
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28 GPDs in the approach 2019/9/18 15强子物理与核物理前沿研讨会

29 Diagonal case (ξ = 0) 2019/9/18 15强子物理与核物理前沿研讨会

30 Summary(2): He-3 EM properties are studied with a
Phenomenological effective approach The He-3 properties are expressed in terms of the nucleon form factors as well as GPDs The application of this approach to other light nucleus is expected. 2019/9/18 15强子物理与核物理前沿研讨会

31 GPDs in the approach (for deuteron)
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32 Summary (deuteron): The deuteron properties are expressed in terms
of the nucleon form factors as well as loop integral Deuteron EM properties are studied with a Phenomenological effective approach 2019/9/18 15强子物理与核物理前沿研讨会