| Name | earthspeed JSON |
| Version |
1.1
JSON |
| download |
| home_page | None |
| Summary | Finding the Earth velocity relative to the dark matter halo |
| upload_time | 2024-08-16 00:00:36 |
| maintainer | None |
| docs_url | None |
| author | None |
| requires_python | >=3.7 |
| license | None |
| keywords |
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| VCS |
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| bugtrack_url |
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| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
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| coveralls test coverage |
No coveralls.
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# earthspeed
By Benjamin Lillard
**For finding the instantaneous velocity of the Earth with respect to the galactic dark matter halo**
### DESCRIPTION: ##########################################################
This package tracks the effective DM wind velocity for a lab on Earth, including the annual effects from the Earth's orbit around the Sun.
The parameters for the Earth-Sun system are taken from Lewin & Smith (1996), with updated values for the Local Standard of Rest (LSR) taken from arXiv:2105.00599.
This notebook uses the astropy package to convert galactic coordinates to ICRS, so that the location of the DM wind source on the sky can be expressed using right ascension (RA) and declination.
Given a location on Earth, the package can also find the altitude and azimuth angles of the DM wind at any time of day.
A Jupyter notebook "GalacticOrientations" demonstrates how to use the package with a few examples.
**References:**
J. D. Lewin and P. F. Smith, “Review of mathematics, numerical factors, and corrections for dark matter experiments based on elastic nuclear recoil,” Astropart. Phys. 6 (1996) 87–112.
D. Baxter et al., “Recommended conventions for reporting results from direct dark matter searches,” Eur. Phys. J. C 81 no. 10, (2021) 907, arXiv:2105.00599 [hep-ex].
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"description": "# earthspeed\n\nBy Benjamin Lillard\n\n**For finding the instantaneous velocity of the Earth with respect to the galactic dark matter halo** \n\n### DESCRIPTION: ##########################################################\n\nThis package tracks the effective DM wind velocity for a lab on Earth, including the annual effects from the Earth's orbit around the Sun. \nThe parameters for the Earth-Sun system are taken from Lewin & Smith (1996), with updated values for the Local Standard of Rest (LSR) taken from arXiv:2105.00599.\nThis notebook uses the astropy package to convert galactic coordinates to ICRS, so that the location of the DM wind source on the sky can be expressed using right ascension (RA) and declination. \nGiven a location on Earth, the package can also find the altitude and azimuth angles of the DM wind at any time of day.\n\nA Jupyter notebook \"GalacticOrientations\" demonstrates how to use the package with a few examples. \n\n\n**References:**\n\nJ. D. Lewin and P. F. Smith, \u201cReview of mathematics, numerical factors, and corrections for dark matter experiments based on elastic nuclear recoil,\u201d Astropart. Phys. 6 (1996) 87\u2013112.\n\nD. Baxter et al., \u201cRecommended conventions for reporting results from direct dark matter searches,\u201d Eur. Phys. J. C 81 no. 10, (2021) 907, arXiv:2105.00599 [hep-ex].\n",
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