The neutron skin in neutron-rich nuclei at Jefferson Lab

2013 ◽  
Author(s):  
Mark M. Dalton
Keyword(s):  
Neutron Skin ◽  
Jefferson Lab

Formation of α clusters in dilute neutron-rich matter

Science ◽  
2021 ◽  
Vol 371 (6526) ◽  
pp. 260-264 ◽  
Author(s):  
Junki Tanaka ◽  
Zaihong Yang ◽  
Stefan Typel ◽  
Satoshi Adachi ◽  
Shiwei Bai ◽  
...  
Keyword(s):  
Cross Sections ◽  
Cluster Formation ◽  
Reaction Cross ◽  
Skin Thickness ◽  
Neutron Skin ◽  
Heavy Nuclei ◽  
Α Decay ◽  
Neutron Skin Thickness ◽  
Reaction Cross Sections ◽  
Α Particles

The surface of neutron-rich heavy nuclei, with a neutron skin created by excess neutrons, provides an important terrestrial model system to study dilute neutron-rich matter. By using quasi-free α cluster–knockout reactions, we obtained direct experimental evidence for the formation of α clusters at the surface of neutron-rich tin isotopes. The observed monotonous decrease of the reaction cross sections with increasing mass number, in excellent agreement with the theoretical prediction, implies a tight interplay between α-cluster formation and the neutron skin. This result, in turn, calls for a revision of the correlation between the neutron-skin thickness and the density dependence of the symmetry energy, which is essential for understanding neutron stars. Our result also provides a natural explanation for the origin of α particles in α decay.

Dependence of n/p with neutron skin thickness for neutron-rich nuclei

2010 ◽  
Vol 834 (1-4) ◽  
pp. 502c-504c ◽  
Author(s):  
X.Y. Sun ◽  
D.Q. Fang ◽  
Y.G. Ma ◽  
X.Z. Cai ◽  
X.G. Cao ◽  
...  
Keyword(s):  
Skin Thickness ◽  
Neutron Skin ◽  
Neutron Skin Thickness

A RICH detector for strangeness physics in Hall A at Jefferson Lab

2004 ◽  
Vol 525 (1-2) ◽  
pp. 163-167 ◽  
Author(s):  
F Cusanno ◽  
F Garibaldi ◽  
E Cisbani ◽  
S Colilli ◽  
G De Cataldo ◽  
...  
Keyword(s):  
Jefferson Lab ◽  
Rich Detector

scholarly journals Dynamically polarized target for the g 2 p and G E p experiments at Jefferson Lab

2014 ◽  
Vol 45 (1) ◽  
pp. 303-304 ◽  
Author(s):  
J. Pierce ◽  
J. Maxwell ◽  
C. Keith
Keyword(s):  
Jefferson Lab ◽  
Polarized Target
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