DETERMINATION OF NEUTRON-NEUTRON SCATTERING LENGTH FROM REACTION PI-+D-]2N+GAMMA

被引：16

作者：

BUTLER, PG

COHEN, N

JAMES, AN

NICHOLSON, JP

机构：

[1] Nuclear Physics Research Laboratory, University of Liverpool, Liverpool

来源：

PHYSICAL REVIEW LETTERS | 1968年 / 21卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.21.470

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The photon energy spectrum from the reaction π-+d→2n+γ at zero energy has been measured by a pair spectrometer using accoustic spark chambers to locate the pair-electron tracks. From the shape of the spectrum the neutron-neutron scattering length was determined to be ann=13.1+2.4-3.4. The probability of existence of a bound state of two neutrons was calculated to be less than 5 × 10-9. © 1968 The American Physical Society.

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页码：470 / +

页数：1

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