NEW MEASUREMENT OF THE CHARGE RADIUS OF THE NEUTRON

被引：204

作者：

KOPECKY, S ^{[1
]}

RIEHS, P ^{[1
]}

HARVEY, JA ^{[1
]}

HILL, NW ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB, OAK RIDGE, TN 37831 USA

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.74.2427

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The neutron transmission through a thorogenic liquid 208Pb sample 2 in. thick has been measured in the neutron energy range between 0.1 and 360 eV at the ORNL neutron source ORELA. Analyzing the shape of the transmission spectra as a function of neutron energy, agreement was found with the predictions by the atomic form factor. With a sensitivity for the mean squared charge radius of the neutron rn2 as high as 3%, a very reliable and also accurate result of rn2=-0.113±0.003±0.004 fm2 was extracted. For the neutron-electron scattering length we obtained bne=(-1.31±0.03±0.04)×10-3fm. © 1995 The American Physical Society.

引用

页码：2427 / 2430

页数：4