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"why the Universe is dominated by matter, not its shadowy counterpart antimatter."


Scientists decode why universe is dominated by matter. They have solved the puzzle of the universe being dominated by matter rather than its close relative anti-matter. Physicists at the University of Wisconsin-Madison made a precise measurement of elusive, nearly mass-less particles, and obtained a crucial hint as to why the universe is dominated by matter. The particles, called anti-neutrinos, were detected at the underground Daya Bay experiment, located near a nuclear reactor in China. Anti-particles are almost identical twins of sub-atomic particles (electrons, protons and neutrons) that make up our world. When an electron encounters an anti-electron, for example, both are annihilated in a burst of energy. Failure to see these bursts in the universe tells physicists that anti-matter is vanishingly rare, and that matter rules the roost in today's universe. 

All the studies that have been done have not found enough difference between particles and anti-particles to explain the dominance of matter over anti-matter. Neither its conform that particles and anti-particles are alike.

I have a question for all of us " why the Universe is dominated by matter, not its shadowy counterpart antimatter. If you can only produce matter and antimatter in pairs, in equal quantities, then why is there so much matter in the universe today, and so little antimatter. Experiments today are trying to investigate the differences that can bring this about. And can the possible explanation of why the universe is still existing lies in the idea that matter and antimatter aren't exact opposites of each other." I have been thinking about this issue for a very long time now and have come up with this hypothesis of " matter and antimatter aren't exact opposites".

And the reasons behind my hypothesis lies on certain facts and assumptions which are listed below.

Well this can be one possible reason but i have got some points which can have the potential to prove it wrong.
1) What is the definition of volume they are talking about? And since the space is made of gas let’s assume the definition of volume to be Molar volume.
2) The molar volume of an ideal gas at 100 kPa (1 bar) is 22.710 980(38) dm3/mol at 0 °C. Therefore the no. of molecules in that molar volume is 22.710*Avagadro no. = 136.752x1023 molecules were present and if we assume space to be infinite then this will give an even no. of molecules when we split it in to identical opposite. 
3) The volume of a matter (at a given pressure and temperature) is proportional to the number of atoms or molecules regardless of the nature of the matter. So if the Matter and Anti Matter are of opposite charge and as I told that the no. of atoms at Limit tend to infinity for an infinity volume is even therefore the total energy generated is evenly opposite and tend to zero. 
Antimatter is opposite to matter in many ways but not all: 
1) It has opposite charge 
2) It can annihilate with their counterpart matter particles 

but antimatter has many similarities 
1) a particle and antiparticle has the same mass (as far as we can tell). So they all attract gravitationally just like real matter (no antigravity with antimatter, sorry!) 
2) they have the same spin 
3) Unstable antimatter particles have the same lifetimes as their matter counterparts. 

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