Angular distributions in the radiative decays of the [Formula omitted] state of charmonium originating from polarized [Formula omitted] collisions
Using the helicity formalism, we calculate the combined angular distribution function of the two gamma photons ( and ) and the electron ( ) in the triple cascade process , when and [Formula omitted] are arbitrarily polarized. We also derive six different partially integrated angular distribution fun...
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| Veröffentlicht in: | The European physical journal. C, Particles and fields Particles and fields, 2015-03, Vol.75 (3), p.1-14 |
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| container_title | The European physical journal. C, Particles and fields |
| container_volume | 75 |
| creator | Wong, Cheuk-Ping Mok, Alex W. K Sit, Wai-Yu |
| description | Using the helicity formalism, we calculate the combined angular distribution function of the two gamma photons ( and ) and the electron ( ) in the triple cascade process , when and [Formula omitted] are arbitrarily polarized. We also derive six different partially integrated angular distribution functions which give the angular distributions of one or two particles in the final state. Our results show that by measuring the two-particle angular distribution of and and that of and , one can determine the relative magnitudes as well as the relative phases of all the helicity amplitudes in the two charmonium radiative transitions and [Formula omitted]. |
| doi_str_mv | 10.1140/epjc/s10052-015-3322-z |
| format | Article |
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C, Particles and fields</title><description>Using the helicity formalism, we calculate the combined angular distribution function of the two gamma photons ( and ) and the electron ( ) in the triple cascade process , when and [Formula omitted] are arbitrarily polarized. We also derive six different partially integrated angular distribution functions which give the angular distributions of one or two particles in the final state. Our results show that by measuring the two-particle angular distribution of and and that of and , one can determine the relative magnitudes as well as the relative phases of all the helicity amplitudes in the two charmonium radiative transitions and [Formula omitted].</description><subject>Angular distribution</subject><subject>Collisions</subject><subject>Decay</subject><subject>Distribution (Probability theory)</subject><subject>Formalism</subject><subject>Helicity</subject><subject>Mathematical analysis</subject><subject>Phases</subject><subject>Photons</subject><subject>Texts</subject><issn>1434-6044</issn><issn>1434-6052</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNptkN1KxDAQhYsoqKuvILnUi-7mr232cllcFRYEf65EljSd1EibrEkq6mP4xEZXREHmYoYz3zkDk2VHBI8J4XgC60c1CQTjguaYFDljlOZvW9ke4YznZZK3f2bOd7P9EB4xxpRjsZe9z2w7dNKjxoToTT1E42xAxqL4AMjLxshongE1oORrQE5_6XcL5_tkQ643MUJzj0KUET7X6kH63lkz9Mh50xqb_LZF2rserV26ZN6g-SdAua4z4fP4QbajZRfg8LuPstvF6c38PF9enl3MZ8u8JbgscqhBSlyDEg3nhJSlJlWhRE0JU1BQKvhUqwpqJrhWmklRlZJRVTdQiqlggo2y403u2runAUJc9SYo6DppwQ1hRcqqmlZTwoqEjjdoKztYGatd9FKlaqA3ylnQJumz9GNBC1aSZDj5Y0hMhJfYyiGE1cX11W_2A7bhjSA</recordid><startdate>20150307</startdate><enddate>20150307</enddate><creator>Wong, Cheuk-Ping</creator><creator>Mok, Alex W. 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| ispartof | The European physical journal. C, Particles and fields, 2015-03, Vol.75 (3), p.1-14 |
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| language | eng |
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| source | DOAJ Directory of Open Access Journals; Springer Nature OA Free Journals; Springer Nature - Complete Springer Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Angular distribution Collisions Decay Distribution (Probability theory) Formalism Helicity Mathematical analysis Phases Photons Texts |
| title | Angular distributions in the radiative decays of the [Formula omitted] state of charmonium originating from polarized [Formula omitted] collisions |
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