Baryon transition form factors at the pole

Tiator L.; Doring M.; Workman R. L.; Hadzimehmedovic M.; Osmanovic H.; Omerovic R.; Stahov J.; Svarc A.

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Baryon transition form factors at the pole

机译：Baryon过渡表格在杆处

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Electromagnetic resonance properties are uniquely defined at the pole and do not depend on the separation of the resonance from background or the decay channel. Photon-nucleon branching ratios are nowadays often quoted at the pole, and we generalize the considerations to the case of virtual photons. We derive and compare relations for nucleon to baryon transition form factors both for the Breit-Wigner and the pole positions. Using the MAID2007 and SAID SM08 partial wave analyses of pion electroproduction data, we compare the G(M), G(E), and G(C) form factors for the Delta(1232) resonance excitation at the Breit-Wigner resonance and pole positions up to Q(2) = 5 GeV2. We also explore the E/M and S/M ratios as functions of Q(2). For pole and residue extraction, we apply the Laurent + Pietarinen method.

机译：电磁共振性能在极点上唯一地限定，不依赖于来自背景或衰减通道的共振的分离。如今，光子 - 核聚核分分支比在极点上常为引用，并且我们概括了虚拟光子案例的考虑因素。我们从Brent-Wigner和杆位置衍生和比较核仁与核子的关系。使用MAID2007和所述SM08部分波分析磁振电路数据，比较BRETTA（1232）在BRETT-WIGNER共振和杆上的δ（1232）共振激发的G（M），G（e）和g（c）的形式因子最多Q（2）= 5 GEV2。我们还探索E / M和S / M比率作为Q（2）的函数。对于杆子和残留物提取，我们应用Laurent + Pietarinen方法。

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来源
《Physical review, C》 |2016年第6期|共9页
作者
Tiator L.; Doring M.; Workman R. L.; Hadzimehmedovic M.; Osmanovic H.; Omerovic R.; Stahov J.; Svarc A.;
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作者单位

Johannes Gutenberg Univ Mainz Inst Kernphys D-55099 Mainz Germany;

George Washington Univ Washington DC 20052 USA;

George Washington Univ Washington DC 20052 USA;

Univ Tuzla Fac Nat Sci &

Math Univ Ska 4 Tuzla 75000 Bosnia &

Herceg;

Univ Tuzla Fac Nat Sci &

Math Univ Ska 4 Tuzla 75000 Bosnia &

Herceg;

Univ Tuzla Fac Nat Sci &

Math Univ Ska 4 Tuzla 75000 Bosnia &

Herceg;

Univ Tuzla Fac Nat Sci &

Math Univ Ska 4 Tuzla 75000 Bosnia &

Herceg;

Rudjer Boskovic Inst Bijenicka Cesta 54 POB 180 Zagreb 10002 Croatia;

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正文语种 eng
中图分类原子核物理学、高能物理学;
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专利

1. Baryon transition form factors at the pole [J] . Tiator L., Doring M., Workman R. L., Physical review, C . 2016,第6期

机译：Baryon过渡表格在杆处
2. A comprehensive analysis of weak transition form factors for doubly heavy baryons in the light front approach [J] . Hu Xiao-Hui, Li Run-Hui, Xing Zhi-Peng European physical journal . 2020,第4期

机译：浅析浅层转型形式因子在轻前线方法中双重重型的影响因素
3. Electromagnetic transition form factors of baryons in a relativistic Faddeev approach [J] . Reinhard Alkofer, Christian S. Fischer, Hèlios Sanchis-Alepuz EPJ Web of Conferences . 2018,第2期

机译：相对论Faddeev方法中重子的电磁跃迁形状因子
4. Relativity in Few-Hadron Systems: Analysis of Baryon Electromagnetic Transition Form Factors in the Covariant Spectator Theory [C] . M. T. Pena, G. Ramalho International Conference on Few-Body Problems in Physics . 2020

机译：少数特罗荣系统中的相对论：协调观众理论中的Baryon电磁过渡外形因子分析
5. A unified approach to baryon electromagnetic form factors [D] . Wan, Qian 2006

机译：重子电磁外形的统一方法
6. From quarks and gluons to baryon form factors [O] . Gernot Eichmann -1

机译：从夸克和胶子到重子形状
7. Baryon transition form factors at the pole [O] . Tiator, L., Döring, M., Workman, R. L., 2016

机译：重子过渡形式因素在极点
8. SU(2N(sub f)) x 0(3) light diquark symmetry and current-induced heavy baryon transition form factors [R] . Hussain, F. , Koerner, J. G. , Landgraf, J. , 1995

机译：sU（2N（sub f））x 0（3）光双夸克对称性和电流诱导重重子过渡形状因子

Baryon transition form factors at the pole

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