Progress Towards a Muonium Gravity Experiment
The gravitational acceleration of antimatter, $\bar g$, has yet to be directly measured but could change our understanding of gravity, the Universe, and the possibility of a fifth force. Three avenues are apparent for such a measurement: antihydrogen, positronium, and muonium, the last requiring a p...
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| creator | Kaplan, Daniel M Kirch, Klaus Mancini, Derrick C Phillips, James D Phillips, Thomas J Reasenberg, Robert D Roberts, Thomas J Terry, Jeff |
| description | The gravitational acceleration of antimatter, $\bar g$, has yet to be
directly measured but could change our understanding of gravity, the Universe,
and the possibility of a fifth force. Three avenues are apparent for such a
measurement: antihydrogen, positronium, and muonium, the last requiring a
precision atom interferometer and benefiting from a novel muonium beam under
development. The interferometer and its few-picometer alignment and calibration
systems appear to be feasible. With 100 nm grating pitch, measurements of $\bar
g$ to 10%, 1%, or better can be envisioned. This could constitute the first
gravitational measurement of leptonic matter, of second-generation matter and,
possibly, the first measurement of the gravitational acceleration of
antimatter. |
| doi_str_mv | 10.48550/arxiv.1607.07434 |
| format | Article |
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directly measured but could change our understanding of gravity, the Universe,
and the possibility of a fifth force. Three avenues are apparent for such a
measurement: antihydrogen, positronium, and muonium, the last requiring a
precision atom interferometer and benefiting from a novel muonium beam under
development. The interferometer and its few-picometer alignment and calibration
systems appear to be feasible. With 100 nm grating pitch, measurements of $\bar
g$ to 10%, 1%, or better can be envisioned. This could constitute the first
gravitational measurement of leptonic matter, of second-generation matter and,
possibly, the first measurement of the gravitational acceleration of
antimatter.</description><identifier>DOI: 10.48550/arxiv.1607.07434</identifier><language>eng</language><subject>Physics - High Energy Physics - Phenomenology ; Physics - Instrumentation and Detectors</subject><creationdate>2016-07</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,782,887</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/1607.07434$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.1607.07434$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Kaplan, Daniel M</creatorcontrib><creatorcontrib>Kirch, Klaus</creatorcontrib><creatorcontrib>Mancini, Derrick C</creatorcontrib><creatorcontrib>Phillips, James D</creatorcontrib><creatorcontrib>Phillips, Thomas J</creatorcontrib><creatorcontrib>Reasenberg, Robert D</creatorcontrib><creatorcontrib>Roberts, Thomas J</creatorcontrib><creatorcontrib>Terry, Jeff</creatorcontrib><title>Progress Towards a Muonium Gravity Experiment</title><description>The gravitational acceleration of antimatter, $\bar g$, has yet to be
directly measured but could change our understanding of gravity, the Universe,
and the possibility of a fifth force. Three avenues are apparent for such a
measurement: antihydrogen, positronium, and muonium, the last requiring a
precision atom interferometer and benefiting from a novel muonium beam under
development. The interferometer and its few-picometer alignment and calibration
systems appear to be feasible. With 100 nm grating pitch, measurements of $\bar
g$ to 10%, 1%, or better can be envisioned. This could constitute the first
gravitational measurement of leptonic matter, of second-generation matter and,
possibly, the first measurement of the gravitational acceleration of
antimatter.</description><subject>Physics - High Energy Physics - Phenomenology</subject><subject>Physics - Instrumentation and Detectors</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotzrkOgkAUheFpLAz6AFbOC4B3mL00xi3RaEFPLjhjSBTMIC5v71qd7j8fISMGiTBSwgTDo7olTIFOQAsu-iTeh-YYXNvSrLljOLQU6bZr6qo702XAW3V90vnj4kJ1dvV1QHoeT60b_jci2WKezVbxZrdcz6abGJUWsWBcSeOAs0KXyhqhC4tgFXrnrU9BSgP8YFNmvQBeojQaUp2yUugSTOF4RMa_7NebX97nGJ75x51_3fwFFjk7zA</recordid><startdate>20160723</startdate><enddate>20160723</enddate><creator>Kaplan, Daniel M</creator><creator>Kirch, Klaus</creator><creator>Mancini, Derrick C</creator><creator>Phillips, James D</creator><creator>Phillips, Thomas J</creator><creator>Reasenberg, Robert D</creator><creator>Roberts, Thomas J</creator><creator>Terry, Jeff</creator><scope>GOX</scope></search><sort><creationdate>20160723</creationdate><title>Progress Towards a Muonium Gravity Experiment</title><author>Kaplan, Daniel M ; Kirch, Klaus ; Mancini, Derrick C ; Phillips, James D ; Phillips, Thomas J ; Reasenberg, Robert D ; Roberts, Thomas J ; Terry, Jeff</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a674-413658e031b7c69847b9a096afef9f2055803d9219f403ca58702721c47c08be3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Physics - High Energy Physics - Phenomenology</topic><topic>Physics - Instrumentation and Detectors</topic><toplevel>online_resources</toplevel><creatorcontrib>Kaplan, Daniel M</creatorcontrib><creatorcontrib>Kirch, Klaus</creatorcontrib><creatorcontrib>Mancini, Derrick C</creatorcontrib><creatorcontrib>Phillips, James D</creatorcontrib><creatorcontrib>Phillips, Thomas J</creatorcontrib><creatorcontrib>Reasenberg, Robert D</creatorcontrib><creatorcontrib>Roberts, Thomas J</creatorcontrib><creatorcontrib>Terry, Jeff</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kaplan, Daniel M</au><au>Kirch, Klaus</au><au>Mancini, Derrick C</au><au>Phillips, James D</au><au>Phillips, Thomas J</au><au>Reasenberg, Robert D</au><au>Roberts, Thomas J</au><au>Terry, Jeff</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Progress Towards a Muonium Gravity Experiment</atitle><date>2016-07-23</date><risdate>2016</risdate><abstract>The gravitational acceleration of antimatter, $\bar g$, has yet to be
directly measured but could change our understanding of gravity, the Universe,
and the possibility of a fifth force. Three avenues are apparent for such a
measurement: antihydrogen, positronium, and muonium, the last requiring a
precision atom interferometer and benefiting from a novel muonium beam under
development. The interferometer and its few-picometer alignment and calibration
systems appear to be feasible. With 100 nm grating pitch, measurements of $\bar
g$ to 10%, 1%, or better can be envisioned. This could constitute the first
gravitational measurement of leptonic matter, of second-generation matter and,
possibly, the first measurement of the gravitational acceleration of
antimatter.</abstract><doi>10.48550/arxiv.1607.07434</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - High Energy Physics - Phenomenology Physics - Instrumentation and Detectors |
| title | Progress Towards a Muonium Gravity Experiment |
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