First concurrent extraction of the leading-order scalar and spin proton polarizabilities

HIGHLIGHTS

• who: E. Mornacchi and collaborators from the Institut Mainz, Mainz, Germany have published the Article: First Concurrent Extraction of the Leading-Order Scalar and Spin Proton Polarizabilities, in the Journal: (JOURNAL) of 31/08/2022
• how: For convenience the authors used as actual fit parameters some linear combinations of the scalar and spin polarizabilities u03b1E1 u03b2M1 u03b3 E1E1 u03b3 M1M1 u03b3 0=-u03b3 E1E1 - u03b3 M1M1 - u03b3 E1M2 - u03b3 M1E2 and u03b3 u03c0=-u03b3 E1E1 -u03b3 M1M1 -u03b3 E1M2 -u03b3 M1E2. As a consistency check of this procedure both the gradient and the simplex methods . . .
  

   

  

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