I submitted a paper to a journal and now it is under review. Since I would like to publish it on the Research Gate I was reading the journal rules to be sure this is possible. I also had a look on the SHERPA/RoMEO website and this is what I found:
Author's Pre-print: author can archive pre-print (ie pre-refereeing)
Author's Post-print: author can archive post-print (ie final draft post-refereeing)
Publisher's Version/PDF: author cannot archive publisher's version/PDF
Author's pre-print on pre-print servers such as arXiv.org
Author's post-print on author's personal website immediately
Author's post-print on any open access repository after 12 months after publication
Publisher's version/PDF cannot be used
Published source must be acknowledged
Must link to publisher version
Set phrase to accompany link to published version (see policy)
Articles in some journals can be made Open Access on payment of additional charge
So, from the SHERPA/RoMEO it seems I can put a pre-print version on-line on other websites. Then I had a look at the "Instructions for authors" section in the journal website and there it says that, after acceptance, I have to sign a Copyright transfer statement. What does this mean?
Also, if my paper get refused from the journal, can I still publish it on the Research Gate?