[Jlab-seminars] Physics Seminar Announcement Reminder

[Luci Collins]

*Physics Seminar
Friday, Aug. 21, 2009
11:00AM
CEBAF Center AUD.
Cookies & Coffee at 10:45AM*
 

*"Three Body Model for Halo Nuclei and the Efimov Effect"

Indranil Mazumdar

Department of Nuclear & Atomic Physics,
Tata Institute of Fundamental Research
Mumbai *

The discovery of light neutron rich nuclei near the drip line showing 
either a pronounced halo of one or two neutrons or a neutron skin of 
several neutrons have opened up new vistas in contemporary nuclear 
physics.  The first part of this talk will be devoted to an introduction 
to the discovery of halo nuclei and the global efforts in this 
direction. We will then introduce the result of our calculations using a 
three-body model to understand the key structural properties of these 
nuclei.  The 2-neutron halo nuclei are the ideal candidates for studying 
the Efimov effect in atomic nuclei.  In the second part of the talk we 
will present our work to investigate the occurrence of Efimov states in 
2-neutron halo nuclei, like, 14Be, 19B, 20C, 22C. We will also present 
the result of our calculations to study the evolution of the bound 
Efimov states into resonances with increasing 2-body (neutron-core) 
binding energy.  Finally, we will tie up the emergence of the 
asymmmetric resonances with the Fano phenomenon and discuss its 
implication for the possible experimental observation of Efimov states 
in the atomic nuclei.


Upcoming Seminar
----------------
Aug. 28   Kaz Nakahara (Univ. of Maryland)






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