Abstract
We argue that the secondaries produced in high energy hadron collisions are emitted by small size sources distributed over a much larger area in impact parameter space occupied by the interaction amplitude. That is, Bose-Einstein correlation of two emitted identical particles should be described by a `two-radii' parametrization ansatz. We discuss the expected energy, charged multiplicity and transverse momentum of the pair (that is, $\sqrt{s},~N_{\rm ch}, k_t$) behaviour of both the small and large size components.
Highlights
An effective tool to study the space-time structure of the production amplitude is to measure the Bose–Einstein correlations (BEC) between two identical particles produced in the inclusive hadron interaction; see, for example, [1,2,3,4,5,6,7]
Consider the situation where we have one pion with momentum p1 emitted at point r1 and another identical pion with p2 and r2
The ... denote the averaging over r1 and r2, The eir Q term is due to the permutation of the identical pions; that is, it allows for the pion with p2 to be emitted from the point r1 and simultaneously for p1 from r2
Summary
An effective tool to study the space-time structure of the production amplitude is to measure the Bose–Einstein correlations (BEC) between two identical particles produced in the inclusive hadron interaction; see, for example, [1,2,3,4,5,6,7]. Consider the situation where we have one pion with momentum p1 emitted at point r1 and another identical pion with p2 and r2. The inclusive cross section for the two identical particles takes the form
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