Single spin beam asymmetry measurements from single π° electroproduction in the Δ(1232) resonance region

被引：0

作者：

Joo, K ^{[1
]}

机构：

[1] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA

来源：

NSTAR 2001, PROCEEDINGS | 2001年

关键词：

D O I：

10.1142/9789812810878_0046

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

New measurements of the electroproduction of the Delta(1232) resonance through p((e) over right arrow ,e'p)pi(0) reaction have been performed. The data were taken with the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab. Single spin beam asymmetries were measured over a range of four-momentum transfer Q(2)=(0.3 - 0.9 GeV2). The high statistical accuracy of this data set provides new and unique information on the interference between resonant and non-resonant amplitudes, and is expected to provide strong constraints on dynamical models of the N --> Delta transition form factors. A preliminary multipole analysis will be presented.

引用

页码：275 / 278

页数：4

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