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object --+
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FourMomentum
a convenient object for 4-momenta operation
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Inherited from |
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mass return the mass |
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mass_sqr return the mass square |
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| pseudorapidity | |||
| rapidity | |||
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Inherited from |
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initialize the four momenta
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repr(x)
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mom 4-momenta is suppose to be given in the rest frame of this 4-momenta. the output is the 4-momenta in the frame of this 4-momenta function copied from HELAS routine. |
Both momenta should be in the same frame. The boost perform correspond to the boost required to set pboost at rest (only z boost applied). |
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massreturn the mass
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mass_sqrreturn the mass square
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pt
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pseudorapidity
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rapidity
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