Abstract

The mean isoscalar charge radius of the chiral bag is calculated. The Cheshire Cat model (CCM), which assumes invariance of physical quantities under changes in the bag radius R, is adopted and tested. The CCM works for 0 ⪅ R ⪅ .2 fm within an accuracy of 30%. However, we suggest that other observables may exhibit a stronger dependence on the chiral angle.

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