spacing - \ulcorner without padding to letter - TeX - LaTeX Stack

I'm trying to achieve this with \ulcorner: But I'm just getting with ^\ulcorner R. Any ideas how I can get rid of the padding between the corner and the letter?

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How to change paragraph spacing in LaTeX - Overleaf, Online LaTeX

How to change paragraph spacing in LaTeX - Overleaf, Online LaTeX

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How to change paragraph spacing in LaTeX - Overleaf, Online LaTeX

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How to change paragraph spacing in LaTeX - Overleaf, Online LaTeX

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How to change paragraph spacing in LaTeX - Overleaf, Online LaTeX