Transmission experiment for measuring total positron–atom collision cross sections in a curved, axial magnetic field
We describe and analyze a transmission experiment developed for measuring total scattering cross sections for low‐energy poistrons (0.3–250 eV) colliding with gases in a region containing a curved, axial magnetic field. It is determined that spiralling does not appreciably increase the beam path len...
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| Veröffentlicht in: | Rev. Sci. Instrum.; (United States) 1977-07, Vol.48 (7), p.822-828 |
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| container_title | Rev. Sci. Instrum.; (United States) |
| container_volume | 48 |
| creator | Kauppila, W. E. Stein, T. S. Jesion, G. Dababneh, M. S. Pol, V. |
| description | We describe and analyze a transmission experiment developed for measuring total scattering cross sections for low‐energy poistrons (0.3–250 eV) colliding with gases in a region containing a curved, axial magnetic field. It is determined that spiralling does not appreciably increase the beam path length through the curved, axial magnetic field in the gas scattering region. An overall test of the experimental apparatus and technique is made by measuring total cross sections for electrons colliding with helium and argon atoms in the energy range from 1.5 to 30 eV, where it is found that the present measurements are within 15% of the most reliable prior measurements. |
| doi_str_mv | 10.1063/1.1135164 |
| format | Article |
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An overall test of the experimental apparatus and technique is made by measuring total cross sections for electrons colliding with helium and argon atoms in the energy range from 1.5 to 30 eV, where it is found that the present measurements are within 15% of the most reliable prior measurements.</description><subject>640304 - Atomic, Molecular & Chemical Physics- Collision Phenomena</subject><subject>ARGON</subject><subject>ATOM COLLISIONS</subject><subject>ATOMIC AND MOLECULAR PHYSICS</subject><subject>BEAM OPTICS</subject><subject>COLLISIONS</subject><subject>CROSS SECTIONS</subject><subject>CRYOGENIC FLUIDS</subject><subject>ELEMENTS</subject><subject>ENERGY RANGE</subject><subject>EV RANGE</subject><subject>EV RANGE 01-10</subject><subject>EV RANGE 10-100</subject><subject>FLUIDS</subject><subject>HELIUM</subject><subject>MAGNETIC FIELDS</subject><subject>NONMETALS</subject><subject>POSITRON COLLISIONS</subject><subject>POSITRON-ATOM COLLISIONS</subject><subject>RARE GASES</subject><subject>TOTAL CROSS SECTIONS</subject><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1977</creationdate><recordtype>article</recordtype><recordid>eNp9kM1KxDAUhYMoOI4ufIPgTrFjbps07VIG_2DAzbguaZqMkTYpSWYYd76Db-iT2PlBF4J3c7nwncM9B6FzIBMgeXYDE4CMQU4P0AhIUSY8T7NDNCIko0nOaXGMTkJ4I8MwgBFazb2woTMhGGexWvfKm07ZiLXzuFMiLL2xCxxdFC3uXTDRO_v18Smi67B0bWu2QuldCDgoGYcrYGOxwHLpV6q5xmJtBm0nFlZFI7E2qm1O0ZEWbVBn-z1GL_d38-ljMnt-eJrezhJJUxaTuqhpDpDKvAROGllokaqSsSGU5kQJSSiArKFmjEqteJNzVpSaKCrLrOYsG6OLna8L0VRBmqjkq3TWDp9WPE2BUT5Alztom8IrXfVDCcK_V0CqTasVVPtWB_Zqx268xCbtD7xy_hes-kb_B_91_gYqNojQ</recordid><startdate>197707</startdate><enddate>197707</enddate><creator>Kauppila, W. 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E.</creatorcontrib><creatorcontrib>Stein, T. S.</creatorcontrib><creatorcontrib>Jesion, G.</creatorcontrib><creatorcontrib>Dababneh, M. S.</creatorcontrib><creatorcontrib>Pol, V.</creatorcontrib><creatorcontrib>Department of Physics, Wayne State University, Detroit, Michigan 48202</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Rev. Sci. Instrum.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kauppila, W. E.</au><au>Stein, T. S.</au><au>Jesion, G.</au><au>Dababneh, M. S.</au><au>Pol, V.</au><aucorp>Department of Physics, Wayne State University, Detroit, Michigan 48202</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Transmission experiment for measuring total positron–atom collision cross sections in a curved, axial magnetic field</atitle><jtitle>Rev. Sci. Instrum.; (United States)</jtitle><date>1977-07</date><risdate>1977</risdate><volume>48</volume><issue>7</issue><spage>822</spage><epage>828</epage><pages>822-828</pages><issn>0034-6748</issn><eissn>1089-7623</eissn><coden>RSINAK</coden><abstract>We describe and analyze a transmission experiment developed for measuring total scattering cross sections for low‐energy poistrons (0.3–250 eV) colliding with gases in a region containing a curved, axial magnetic field. It is determined that spiralling does not appreciably increase the beam path length through the curved, axial magnetic field in the gas scattering region. An overall test of the experimental apparatus and technique is made by measuring total cross sections for electrons colliding with helium and argon atoms in the energy range from 1.5 to 30 eV, where it is found that the present measurements are within 15% of the most reliable prior measurements.</abstract><cop>United States</cop><doi>10.1063/1.1135164</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0034-6748 |
| ispartof | Rev. Sci. Instrum.; (United States), 1977-07, Vol.48 (7), p.822-828 |
| issn | 0034-6748 1089-7623 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_1135164 |
| source | AIP Digital Archive |
| subjects | 640304 - Atomic, Molecular & Chemical Physics- Collision Phenomena ARGON ATOM COLLISIONS ATOMIC AND MOLECULAR PHYSICS BEAM OPTICS COLLISIONS CROSS SECTIONS CRYOGENIC FLUIDS ELEMENTS ENERGY RANGE EV RANGE EV RANGE 01-10 EV RANGE 10-100 FLUIDS HELIUM MAGNETIC FIELDS NONMETALS POSITRON COLLISIONS POSITRON-ATOM COLLISIONS RARE GASES TOTAL CROSS SECTIONS |
| title | Transmission experiment for measuring total positron–atom collision cross sections in a curved, axial magnetic field |
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