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The Nucleon-Nucleon Interaction in a Chiral Effective Field Theory

The Nucleon-Nucleon Interaction in a Chiral Effective Field Theory

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178 C. Small scale expansion with<strong>in</strong> the projection formalism<br />

• )..0 Al TJHt;, TJ<br />

Equation (A.13) leads to the follow<strong>in</strong>g <strong>in</strong>equality:<br />

v 2 8 - 3N , (C.6)<br />

where we have used the facts that m<strong>in</strong> (l) = 2 for )..0 A1TJ and m<strong>in</strong> (I\;) = 2 for TJHt;,TJ.<br />

v 2 8 - 3N . (C.7)<br />

v = 4 - 3N + 2q + j + h + l 2 + I\; 2 8 - 3N . (C.8)<br />

To complete the modifications of the appendix A, we also need to consider ).. O -<strong>in</strong>termediate states.<br />

Only two terms <strong>in</strong> eq. (3.206) may have such <strong>in</strong>termediate states:<br />

• )..4k+iHt;,)"oA1TJ<br />

We consider two different cases:<br />

v = 4 - 3N - 4k - i + I\; + 1 . (C.9)<br />

1. k = 0, i f. 0<br />

Us<strong>in</strong>g the <strong>in</strong>equality (A.4) and the fact that 1 2 2 we obta<strong>in</strong><br />

2. k f. 0<br />

In that case eq. (A.6) leads to<br />

v 2 6 - 3N . (C.10)<br />

v 2 4 - 3N . (C.ll)<br />

v = 4 - 3N - 2k + h + l 2 + I\; 2:: 8 - 3N - 2k . (C.12)<br />

We now switch to appendix B and consider which operators )..a A1TJ enter the decoupl<strong>in</strong>g equation<br />

(3.206) at order r projected onto the state )..0•<br />

• )..0 Ht;,)..4 q +j A1TJ<br />

Aga<strong>in</strong>, we have to consider two cases:<br />

1. q=O<br />

One can use eq. (A.4) if j f. 0 and the fact that I\; 2 2 if j = 0 to obta<strong>in</strong><br />

l

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