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?

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

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Increase letter spacing in plain TeX - TeX - LaTeX Stack Exchange

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spacing - How to shrink the space in the header in letter - TeX

Spacing of math symbols to the left of a letter and between two

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

Spacing of math symbols to the left of a letter and between two

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

tables - Adding row spacing to a longtable? - TeX - LaTeX Stack

Latex, PDF, Te X

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

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