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    "info": {
        "author": "Frank Sauerburger",
        "author_email": "frank@sauerburger.com",
        "bugtrack_url": null,
        "classifiers": [
            "Intended Audience :: Science/Research",
            "License :: OSI Approved :: MIT License",
            "Operating System :: OS Independent",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6",
            "Programming Language :: Python :: 3.7",
            "Topic :: Scientific/Engineering :: Physics"
        ],
        "description": "pylorentz\n=================================\n\nThe python package pylorentz provides classes to facilitate computations with\n4-vectors in high-energy physics.\n\nQuickstart\n==========\n\nInstall the package using pip\n\n.. code-block:: console\n\n   $ pip install git+https://gitlab.sauerburger.com/frank/pylorentz.git\n\nor \n\n.. code-block:: console\n\n   $ pip install pylorentz\n\n\nProperties\n----------\n\nThe package defines three types of 4-vectors: general purpose vectors,\n4-positions and 4-momenta. The working horse of the package are 4-momenta.\n\n.. code-block:: python\n\n    >>> from pylorentz import Momentum4\n    >>> muon = Momentum4.m_eta_phi_pt(0.1057, 4.5, 1.5, 35)\n    >>> muon.eta\n    4.5\n    >>> muon.phi\n    1.5\n    >>> muon.p_t\n    35.0\n    >>> \"%.2f\" % muon.p\n    '1575.49'\n    >>> \"%.2f\" % muon.e\n    '1575.49'\n\nArithmetics\n-----------\n\n4-vectors support a variety of arithmetic operations. The most important one\nis the addition of two vectors.\n\n.. code-block:: python\n\n    >>> from pylorentz import Momentum4\n    >>> tau_1 = Momentum4.m_eta_phi_pt(1.777, 4.5, 1.5, 35)\n    >>> tau_2 = Momentum4.m_eta_phi_pt(1.777, -4.5, 1.5, 35)\n\nWe can add the momenta of the two tau leptons and access the properties of the\nparent particle.\n\n.. code-block:: python\n\n    >>> parent = tau_1 + tau_2\n    >>> \"%.2f\" % parent.m\n    '3150.21'\n    >>> \"%.2f\" % parent.eta\n    '0.00'\n    >>> \"%.2f\" % parent.phi\n    '1.50'\n\n\nLorentz Boosts\n--------------\n\nThe package also provides methods to perform Lorentz boosts. For example,\nconsider the decay of a Higgs boson to a pair of tau leptons in the rest frame\nof the Higgs boson. The tau leptons are back-to-back in the\ny-z-plane.\n\n.. code-block:: python\n\n    >>> import math\n    >>> from pylorentz import Momentum4\n    >>> m = 125.0\n    >>> tau_1 = Momentum4.e_m_eta_phi(m / 2, 1.777, 1.5, math.pi / 2)\n    >>> tau_2 = Momentum4.e_m_eta_phi(m / 2, 1.777, -1.5, -math.pi / 2)\n\nNow let's assume the Higgs boson itself is not at rest. We can define its\nmomentum and then boost the two tau leptons.\n\n.. code-block:: python\n\n    >>> higgs = Momentum4.m_eta_phi_pt(m, 2, 0, 250)\n    >>> tau_1.boost_particle(higgs)\n    Momentum4(884.599, 220.498, 26.5578, 856.264)\n    >>> tau_2.boost_particle(higgs)\n    Momentum4(64.2195, 29.5021, -26.5578, 50.451)\n\nLinks\n=====\n\n * `GitLab Repository <https://gitlab.sauerburger.com/frank/pylorentz>`_\n * `pylorentz on PyPi <https://pypi.org/project/pylorentz>`_\n * `Documentation <https://pylorentz.readthedocs.io/>`_",
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