Isotope Effect as a Function of Alpha-Particle Energy in the Ionization of Hydrocarbon Gases
In this work the isotope ratio, i.e., the ratio of the ionization produced by a given alpha particle in a deuterated hydrocarbon gas to the corresponding ionization in an undeuterated hydrocarbon gas, was investigated as a function of alpha-particle energies in the range 5.8–1.6 MeV. Alpha particles...
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| Veröffentlicht in: | J. Chem. Phys. 52: 1314-16(1 Feb 1970) 1970-02, Vol.52 (3), p.1314-1316 |
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| container_title | J. Chem. Phys. 52: 1314-16(1 Feb 1970) |
| container_volume | 52 |
| creator | Jesse, William P. |
| description | In this work the isotope ratio, i.e., the ratio of the ionization produced by a given alpha particle in a deuterated hydrocarbon gas to the corresponding ionization in an undeuterated hydrocarbon gas, was investigated as a function of alpha-particle energies in the range 5.8–1.6 MeV. Alpha particles from 244Cm, 210Po, and 147Sm were employed. Particles reduced energies were also obtained by passing alpha particles through thin mica windows. The isotope effect was larger in the hydrocarbons investigated than for our previous experiments for ionization by beta particles from 63Ni. For the hydrocarbons methane, ethane, acetylene, and ethylene there was found to be a very small increase of the order of 1%–3% in the isotope ratio as one decreased the alpha-particle energy from 5 to 1.6 MeV. A tentative explanation of this change with alpha energy has been advanced. |
| doi_str_mv | 10.1063/1.1673132 |
| format | Article |
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Alpha particles from 244Cm, 210Po, and 147Sm were employed. Particles reduced energies were also obtained by passing alpha particles through thin mica windows. The isotope effect was larger in the hydrocarbons investigated than for our previous experiments for ionization by beta particles from 63Ni. For the hydrocarbons methane, ethane, acetylene, and ethylene there was found to be a very small increase of the order of 1%–3% in the isotope ratio as one decreased the alpha-particle energy from 5 to 1.6 MeV. 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Phys. 52: 1314-16(1 Feb 1970)</title><description>In this work the isotope ratio, i.e., the ratio of the ionization produced by a given alpha particle in a deuterated hydrocarbon gas to the corresponding ionization in an undeuterated hydrocarbon gas, was investigated as a function of alpha-particle energies in the range 5.8–1.6 MeV. Alpha particles from 244Cm, 210Po, and 147Sm were employed. Particles reduced energies were also obtained by passing alpha particles through thin mica windows. The isotope effect was larger in the hydrocarbons investigated than for our previous experiments for ionization by beta particles from 63Ni. For the hydrocarbons methane, ethane, acetylene, and ethylene there was found to be a very small increase of the order of 1%–3% in the isotope ratio as one decreased the alpha-particle energy from 5 to 1.6 MeV. A tentative explanation of this change with alpha energy has been advanced.</description><subject>ACETYLENE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</subject><subject>ACETYLENES</subject><subject>ALPHA PARTICLES</subject><subject>ALPHA PARTICLES/reactions with acetylene, ethane, ethylene, and methane at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</subject><subject>DEUTERIUM</subject><subject>DEUTERIUM COMPOUNDS</subject><subject>DEUTERIUM/effects on ionization of acetylene, ethane, ethylene, and methane by alpha particles at 1.6 to 5.8 MeV</subject><subject>ETHANE</subject><subject>ETHANE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</subject><subject>ETHYLENE</subject><subject>ETHYLENE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</subject><subject>GASES</subject><subject>IONIZATION</subject><subject>ISOTOPE EFFECTS</subject><subject>METHANE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</subject><subject>MEV RANGE</subject><subject>MEV RANGE 01-10 METHANE</subject><subject>N20220 -Chemistry-Inorganic, Organic, & Physical Chemistry-Isotopic Effects</subject><subject>N32240 -Physics-Atomic & Molecular Physics-Collision Phenomena</subject><issn>0021-9606</issn><issn>1089-7690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1970</creationdate><recordtype>article</recordtype><recordid>eNo1kE1LAzEYhIMoWKsH_0Hw5mHrm002u3sspV9Q0IPehJBPG6lJSeKh_nq3tJ3LMPAwMIPQI4EJAU5fyITwlhJaX6ERga6vWt7DNRoB1KTqOfBbdJfzNwCQtmYj9LnOscS9xXPnrC5YZizx4jfo4mPA0eHpbr-V1ZtMxevdgAWbvg7YB1y2Fq9j8H_ygq4OJkUtkxriUmab79GNk7tsH84-Rh-L-ftsVW1el-vZdFNpAqSprHKMAW1NW9fGMgWmZtpy10nFTNcbN6gBDoo1BlpQlCvbSdI5pRkztKFj9HTqjbl4kbUvVm91DGFYJBhpmg6O0PMJ0inmnKwT--R_ZDoIAuL4nSDi_B39B-fZYIw</recordid><startdate>19700201</startdate><enddate>19700201</enddate><creator>Jesse, William P.</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19700201</creationdate><title>Isotope Effect as a Function of Alpha-Particle Energy in the Ionization of Hydrocarbon Gases</title><author>Jesse, William P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1015-ebf44037d722de4b0d24ce6f8ab4d89dffff5060b45d070b36be8a18fbc44d353</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1970</creationdate><topic>ACETYLENE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</topic><topic>ACETYLENES</topic><topic>ALPHA PARTICLES</topic><topic>ALPHA PARTICLES/reactions with acetylene, ethane, ethylene, and methane at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</topic><topic>DEUTERIUM</topic><topic>DEUTERIUM COMPOUNDS</topic><topic>DEUTERIUM/effects on ionization of acetylene, ethane, ethylene, and methane by alpha particles at 1.6 to 5.8 MeV</topic><topic>ETHANE</topic><topic>ETHANE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</topic><topic>ETHYLENE</topic><topic>ETHYLENE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</topic><topic>GASES</topic><topic>IONIZATION</topic><topic>ISOTOPE EFFECTS</topic><topic>METHANE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E)</topic><topic>MEV RANGE</topic><topic>MEV RANGE 01-10 METHANE</topic><topic>N20220 -Chemistry-Inorganic, Organic, & Physical Chemistry-Isotopic Effects</topic><topic>N32240 -Physics-Atomic & Molecular Physics-Collision Phenomena</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jesse, William P.</creatorcontrib><creatorcontrib>St. Procopius Coll., Lisle, Ill</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>J. Chem. Phys. 52: 1314-16(1 Feb 1970)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jesse, William P.</au><aucorp>St. Procopius Coll., Lisle, Ill</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Isotope Effect as a Function of Alpha-Particle Energy in the Ionization of Hydrocarbon Gases</atitle><jtitle>J. Chem. Phys. 52: 1314-16(1 Feb 1970)</jtitle><date>1970-02-01</date><risdate>1970</risdate><volume>52</volume><issue>3</issue><spage>1314</spage><epage>1316</epage><pages>1314-1316</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><abstract>In this work the isotope ratio, i.e., the ratio of the ionization produced by a given alpha particle in a deuterated hydrocarbon gas to the corresponding ionization in an undeuterated hydrocarbon gas, was investigated as a function of alpha-particle energies in the range 5.8–1.6 MeV. Alpha particles from 244Cm, 210Po, and 147Sm were employed. Particles reduced energies were also obtained by passing alpha particles through thin mica windows. The isotope effect was larger in the hydrocarbons investigated than for our previous experiments for ionization by beta particles from 63Ni. For the hydrocarbons methane, ethane, acetylene, and ethylene there was found to be a very small increase of the order of 1%–3% in the isotope ratio as one decreased the alpha-particle energy from 5 to 1.6 MeV. A tentative explanation of this change with alpha energy has been advanced.</abstract><doi>10.1063/1.1673132</doi><tpages>3</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-9606 |
| ispartof | J. Chem. Phys. 52: 1314-16(1 Feb 1970), 1970-02, Vol.52 (3), p.1314-1316 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_1673132 |
| source | AIP Digital Archive |
| subjects | ACETYLENE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E) ACETYLENES ALPHA PARTICLES ALPHA PARTICLES/reactions with acetylene, ethane, ethylene, and methane at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E) DEUTERIUM DEUTERIUM COMPOUNDS DEUTERIUM/effects on ionization of acetylene, ethane, ethylene, and methane by alpha particles at 1.6 to 5.8 MeV ETHANE ETHANE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E) ETHYLENE ETHYLENE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E) GASES IONIZATION ISOTOPE EFFECTS METHANE/alpha reactions at 1.6 to 5.8 MeV, deuterium isotope effect on ionization in, (E) MEV RANGE MEV RANGE 01-10 METHANE N20220 -Chemistry-Inorganic, Organic, & Physical Chemistry-Isotopic Effects N32240 -Physics-Atomic & Molecular Physics-Collision Phenomena |
| title | Isotope Effect as a Function of Alpha-Particle Energy in the Ionization of Hydrocarbon Gases |
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