In order to fulfill Low's theorem requirements, a new lowest order basis for bound state decay computations is proposed, in which the binding energy is treated non-perturbatively. The properties of the method are sketched by reviewing standard positronium decay processes. Then, it is shown how applying the method to quarkonia sheds new light on some longstanding puzzles. Comment: 12 pages, 10 figures. Talk given at the ETH Workshop on Positronium Physics, May 30-31, 2003, Zurich, Switzerlan
We study the properties of the Lindbladian quantum mechanical evolution of quarkonia with non-Abelia...
In high multiplicity proton-proton $(p-p)$ collisions, the formation of a deconfined state of quarks...
Despite its very short lifetime positronium provides us with a number of accurate tests of the bound...
In order to fulfill Low's theorem requirements, a new lowest order basis for bound state decay compu...
Positronium annihilation amplitudes that are computed by assuming a factorization approximation with...
QED gauge invariance, when combined with analyticity, leads to constraints on the low energy end of ...
QED gauge invariance, when combined with analyticity, leads to constraints on the low energy end of ...
A simple method to compute QED bound state properties is presented, in which binding energy effects ...
A simple method to compute QED bound state properties is presented, in which binding energy effects ...
The construction of positronium decay amplitudes is handled through the use of dispersion relations....
Whether in the Standard Model or beyond it, neutrinos contribute to the invisible decay mode of orth...
Whether in the Standard Model or beyond it, neutrinos contribute to the invisible decay mode of orth...
Positronium decay rates are computed at the one-loop level, using convolution-type factorized amplit...
Positronium annihilation amplitudes that are computed by assuming a factorization approximation with...
The 2 annihilation rate for positronic lithium–hydride [LiH,e+] was computed with the quantum ...
We study the properties of the Lindbladian quantum mechanical evolution of quarkonia with non-Abelia...
In high multiplicity proton-proton $(p-p)$ collisions, the formation of a deconfined state of quarks...
Despite its very short lifetime positronium provides us with a number of accurate tests of the bound...
In order to fulfill Low's theorem requirements, a new lowest order basis for bound state decay compu...
Positronium annihilation amplitudes that are computed by assuming a factorization approximation with...
QED gauge invariance, when combined with analyticity, leads to constraints on the low energy end of ...
QED gauge invariance, when combined with analyticity, leads to constraints on the low energy end of ...
A simple method to compute QED bound state properties is presented, in which binding energy effects ...
A simple method to compute QED bound state properties is presented, in which binding energy effects ...
The construction of positronium decay amplitudes is handled through the use of dispersion relations....
Whether in the Standard Model or beyond it, neutrinos contribute to the invisible decay mode of orth...
Whether in the Standard Model or beyond it, neutrinos contribute to the invisible decay mode of orth...
Positronium decay rates are computed at the one-loop level, using convolution-type factorized amplit...
Positronium annihilation amplitudes that are computed by assuming a factorization approximation with...
The 2 annihilation rate for positronic lithium–hydride [LiH,e+] was computed with the quantum ...
We study the properties of the Lindbladian quantum mechanical evolution of quarkonia with non-Abelia...
In high multiplicity proton-proton $(p-p)$ collisions, the formation of a deconfined state of quarks...
Despite its very short lifetime positronium provides us with a number of accurate tests of the bound...
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