The first excited state of He{sup 5} [electronic resource]
The reaction Li/sup 7/(d, α)He⁵ was studied using coincidence circuitry and solid state charged particle detectors. Targets of natural and isotopic Li were bombarded with 150 - 200 keV deuterons, and α-particles emitted at laboratory angles of 90 degrees ond 82 degrees were detected in coincidence....
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Online Access |
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| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
U.S. Atomic Energy Commission ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
1963.
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| Subjects: |
MARC
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| 086 | 0 | |a E 1.99: aed-conf--63-048-106 | |
| 086 | 0 | |a E 1.99:conf-46--93 | |
| 086 | 0 | |a E 1.99: aed-conf--63-048-106 | |
| 088 | |a aed-conf--63-048-106 | ||
| 088 | |a conf-46--93 | ||
| 245 | 0 | 4 | |a The first excited state of He{sup 5} |h [electronic resource] |
| 260 | |a Washington, D.C. : |b U.S. Atomic Energy Commission ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 1963. | ||
| 300 | |a Pages: 39 : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 04/01/1963. | ||
| 500 | |a "conf-46--93" | ||
| 500 | |a " aed-conf--63-048-106" | ||
| 500 | |a American Physical Society Spring Meeting, Washington, D.C. (United States), 22-25 Apr 1963. | ||
| 500 | |a Fessenden, Peter; Maxson, D. R. | ||
| 520 | 3 | |a The reaction Li/sup 7/(d, α)He⁵ was studied using coincidence circuitry and solid state charged particle detectors. Targets of natural and isotopic Li were bombarded with 150 - 200 keV deuterons, and α-particles emitted at laboratory angles of 90 degrees ond 82 degrees were detected in coincidence. The (d, α) reaction proceeding to the ground state of He⁵ was observed. Its differential cross section at 90 degrees was measured relative to that for Li⁶(d, α) alpha) α, and a value of 2.4 was assigned to the parameter A in the function f(theta) = 1 + Asin/sup 2/ theta that describes the center of mass α-particle distribution resulting from the disintegration of He⁵. The first excited state of He⁵ was found to have an excitation energy of 2.6 +- 0.4 Mev. The intensity of the excited state alpha group was greater than that of the ground state group by a factor of about 1.5. There was no evidence for any other excited state up to at least 7 Mev. The ratio of the differential cross sections at 90 degrees for Li⁶/(d,p)Li⁷ and Li⁶/(d, α) α was determined for deuteron energies and found to agree with reported cross section data. 30 references. (auth) | |
| 536 | |b AT(20-1)-1772. | ||
| 650 | 7 | |a Alpha Particles. |2 local. | |
| 650 | 7 | |a Angular Distribution. |2 local. | |
| 650 | 7 | |a Bibliography. |2 local. | |
| 650 | 7 | |a Charged Particles. |2 local. | |
| 650 | 7 | |a Coincidence Methods. |2 local. | |
| 650 | 7 | |a Cross Sections. |2 local. | |
| 650 | 7 | |a Decay. |2 local. | |
| 650 | 7 | |a Deuteron Beams. |2 local. | |
| 650 | 7 | |a Emission. |2 local. | |
| 650 | 7 | |a Energy. |2 local. | |
| 650 | 7 | |a Energy Levels. |2 local. | |
| 650 | 7 | |a Energy Range. |2 local. | |
| 650 | 7 | |a Excitation. |2 local. | |
| 650 | 7 | |a Helium 5. |2 local. | |
| 650 | 7 | |a Isotopes. |2 local. | |
| 650 | 7 | |a Lithium 6. |2 local. | |
| 650 | 7 | |a Lithium 7. |2 local. | |
| 650 | 7 | |a Measured Values. |2 local. | |
| 650 | 7 | |a Nuclear Reactions. |2 local. | |
| 650 | 7 | |a Protons. |2 local. | |
| 650 | 7 | |a Radiation Detectors. |2 local. | |
| 650 | 7 | |a Semiconductors. |2 local. | |
| 650 | 7 | |a Targets. |2 local. | |
| 650 | 7 | |a Washington. |2 local. | |
| 650 | 7 | |a Physics. |2 edbsc. | |
| 710 | 2 | |a Brown University. |4 res. | |
| 710 | 2 | |a U.S. Atomic Energy Commission. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/servlets/purl/4661172/ |z Online Access |
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