Have you copied anything else in your computer since then?
Try recovering your documents, photos, etc with a little program called Easus Data Recovery Wizard(just google it and download).
Maybe you can get more of your files too...
It has a recover partition option.
You can recover your accidentally deleted partition of your hard drive with the help of "Kernel for FAT and NTFS" recover lost partition software which can recover deleted, lost or formatted partition instantly and preview you the lost data in scan mode. you can check the existence of your data and files in RED color and then you can save all at once or some selective files to your location. for more details - Recover lost partition