Of course, it feels good. :-)

Proud, happy, fullfiled...

@Mirna

To add to your points it gives satisfaction after hard work.

Of course I have a feeling of happiness and it gives me immense pleasure.

Most importantly I find my research on right path.

Very good feeling.

@Mahesh

I agree to your point that ' Most importantly I find my research on right path'. This gives one immense pleasure and satisfaction and encouragement for further research.

an intense feeling of achievement

I have not felt this yet, but of course I will be happy.

Enchanted, delighted, excited, elated, blessed and uplifted

I feel fulfilled.

Its a great feeling of accomplished professionalism

Excited, encouraged, motivated for further research

inspire to do more profound research.Nice .

Of course everyone will feel very happy, encouraged, full of excitement, and motivated for further future research.

I think it would be a good feeling.

happy