Symbol: Put a smile symbol under a plus

by amsmath   Last Updated August 13, 2019 18:23 PM

I would like to have a \smile symbol under a plus symbol. What I have so far is


However, I would like to have the plus further below. I tried to do this via the \raisebox command (as you can see). This works to some extend, but when I go further than -0.5ex, the whole thing will go down instead of just the plus symbol.

Can anyone help, please?

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