Your help in solving the following integration which consists of an upper incomplete gamma function and an exponential function would be greatly appreciated. I need to find its Exact or closed-form non-numerical solution.


Integrate[Exp[-L * y] * Gamma[t, (Sqrt[z*(y + w)/a])/n], {y, 0, Infinity}]

[![enter image description here][1]][1]


  [1]: https://i.sstatic.net/EDcCW.png