[Jlab-seminars] Physics Seminar

[Luci Collins]

*Physics Seminar
Wed. June 12th
4:00PM
CEBAF Center AUD.

*

*           " New Observations for High Momentum Distribution of 
Nucleons In Nuclei *

*and their Implication for High-Density Nuclear Matter and EMC Effects"*

**

*Misak Sargsian*

*Florida International University, Miami*

Based on the theoretical analysis of therecent experimental data on 
short-range correlation effects in nucleiwe suggest the existence oftwo 
new properties for high momentum distribution of nucleons in asymmetric 
nuclei.The *first *observationis the prediction for theexistence of the 
approximate scaling relation between proton and neutron high momentum 
distributions weighed by their relative fractions and the *second*is the 
inverse proportionality of the strengthof the high momentum 
distributions of nucleons to their relative fractions. These predictions 
agree well with thehigh momentum properties of light nuclei.However the 
most surprising results we obtained are for heavy nuclei: for example we 
predict that in the Gold the relative fraction ofhigh momentum 
protonsexceeds the neuron relative fraction by almost 50%.

We will discuss the implication of these observations for different 
phenomena innuclear physics,including EMC effects, NuTeV anomaly, Parity 
Violating DIS Scatteringfrom Nuclei as well as several properties of 
Neutron Stars.


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