Influence of energy summing of α-particles and conversion electrons on the shapes of α-spectra in the region of the heaviest nuclei
Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produc...
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E-Artikel |
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Englisch |
| Erschienen: |
1989 |
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| Reproduktion: |
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 |
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in: Nuclear Instruments and Methods in Physics Research Section A: - Amsterdam : Elsevier, 274(1989), 3, Seite 522-527 |
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volume:274 ; year:1989 ; number:3 ; pages:522-527 |
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| 520 | |a Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produced in heavy ion fusion reactions and were implanted into silicon surface barrier detectors after in-flight separation from the projectile beam. It was shown that the summing effects will cause (a) the occurrence of additional lines in the α-energy spectra and (b) a change in the relative intensities of α-lines belonging to the α-decay pattern of a certain isotope. The results for ^2^1^5Th and ^2^1^3Ra are used for a discussion of the α-decay properties of the isotope ^2^5^5104 and its α-decay products ^2^5^1No and ^2^4^7Fm. Especially the large discrepancies of the α-energies of ^2^4^7Fm measured in our experiments and literature values are interpreted as due to a summing between α and electron energies. | ||
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(DE-627)NLEJ180860410 (DE-599)GBVNLZ180860410 DE-627 ger DE-627 rakwb eng Influence of energy summing of α-particles and conversion electrons on the shapes of α-spectra in the region of the heaviest nuclei 1989 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produced in heavy ion fusion reactions and were implanted into silicon surface barrier detectors after in-flight separation from the projectile beam. It was shown that the summing effects will cause (a) the occurrence of additional lines in the α-energy spectra and (b) a change in the relative intensities of α-lines belonging to the α-decay pattern of a certain isotope. The results for ^2^1^5Th and ^2^1^3Ra are used for a discussion of the α-decay properties of the isotope ^2^5^5104 and its α-decay products ^2^5^1No and ^2^4^7Fm. Especially the large discrepancies of the α-energies of ^2^4^7Fm measured in our experiments and literature values are interpreted as due to a summing between α and electron energies. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Hessberger, F.P. oth Hofmann, S. oth Munzenberg, G. oth Schmidt, K.-H. oth Armbruster, P. oth Hingmann, R. oth in Nuclear Instruments and Methods in Physics Research Section A: Amsterdam : Elsevier 274(1989), 3, Seite 522-527 (DE-627)NLEJ180854372 (DE-600)1466532-3 0168-9002 nnns volume:274 year:1989 number:3 pages:522-527 http://linkinghub.elsevier.com/retrieve/pii/0168-9002(89)90184-8 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 274 1989 3 522-527 |
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(DE-627)NLEJ180860410 (DE-599)GBVNLZ180860410 DE-627 ger DE-627 rakwb eng Influence of energy summing of α-particles and conversion electrons on the shapes of α-spectra in the region of the heaviest nuclei 1989 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produced in heavy ion fusion reactions and were implanted into silicon surface barrier detectors after in-flight separation from the projectile beam. It was shown that the summing effects will cause (a) the occurrence of additional lines in the α-energy spectra and (b) a change in the relative intensities of α-lines belonging to the α-decay pattern of a certain isotope. The results for ^2^1^5Th and ^2^1^3Ra are used for a discussion of the α-decay properties of the isotope ^2^5^5104 and its α-decay products ^2^5^1No and ^2^4^7Fm. Especially the large discrepancies of the α-energies of ^2^4^7Fm measured in our experiments and literature values are interpreted as due to a summing between α and electron energies. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Hessberger, F.P. oth Hofmann, S. oth Munzenberg, G. oth Schmidt, K.-H. oth Armbruster, P. oth Hingmann, R. oth in Nuclear Instruments and Methods in Physics Research Section A: Amsterdam : Elsevier 274(1989), 3, Seite 522-527 (DE-627)NLEJ180854372 (DE-600)1466532-3 0168-9002 nnns volume:274 year:1989 number:3 pages:522-527 http://linkinghub.elsevier.com/retrieve/pii/0168-9002(89)90184-8 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 274 1989 3 522-527 |
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(DE-627)NLEJ180860410 (DE-599)GBVNLZ180860410 DE-627 ger DE-627 rakwb eng Influence of energy summing of α-particles and conversion electrons on the shapes of α-spectra in the region of the heaviest nuclei 1989 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produced in heavy ion fusion reactions and were implanted into silicon surface barrier detectors after in-flight separation from the projectile beam. It was shown that the summing effects will cause (a) the occurrence of additional lines in the α-energy spectra and (b) a change in the relative intensities of α-lines belonging to the α-decay pattern of a certain isotope. The results for ^2^1^5Th and ^2^1^3Ra are used for a discussion of the α-decay properties of the isotope ^2^5^5104 and its α-decay products ^2^5^1No and ^2^4^7Fm. Especially the large discrepancies of the α-energies of ^2^4^7Fm measured in our experiments and literature values are interpreted as due to a summing between α and electron energies. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Hessberger, F.P. oth Hofmann, S. oth Munzenberg, G. oth Schmidt, K.-H. oth Armbruster, P. oth Hingmann, R. oth in Nuclear Instruments and Methods in Physics Research Section A: Amsterdam : Elsevier 274(1989), 3, Seite 522-527 (DE-627)NLEJ180854372 (DE-600)1466532-3 0168-9002 nnns volume:274 year:1989 number:3 pages:522-527 http://linkinghub.elsevier.com/retrieve/pii/0168-9002(89)90184-8 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 274 1989 3 522-527 |
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(DE-627)NLEJ180860410 (DE-599)GBVNLZ180860410 DE-627 ger DE-627 rakwb eng Influence of energy summing of α-particles and conversion electrons on the shapes of α-spectra in the region of the heaviest nuclei 1989 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produced in heavy ion fusion reactions and were implanted into silicon surface barrier detectors after in-flight separation from the projectile beam. It was shown that the summing effects will cause (a) the occurrence of additional lines in the α-energy spectra and (b) a change in the relative intensities of α-lines belonging to the α-decay pattern of a certain isotope. The results for ^2^1^5Th and ^2^1^3Ra are used for a discussion of the α-decay properties of the isotope ^2^5^5104 and its α-decay products ^2^5^1No and ^2^4^7Fm. Especially the large discrepancies of the α-energies of ^2^4^7Fm measured in our experiments and literature values are interpreted as due to a summing between α and electron energies. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Hessberger, F.P. oth Hofmann, S. oth Munzenberg, G. oth Schmidt, K.-H. oth Armbruster, P. oth Hingmann, R. oth in Nuclear Instruments and Methods in Physics Research Section A: Amsterdam : Elsevier 274(1989), 3, Seite 522-527 (DE-627)NLEJ180854372 (DE-600)1466532-3 0168-9002 nnns volume:274 year:1989 number:3 pages:522-527 http://linkinghub.elsevier.com/retrieve/pii/0168-9002(89)90184-8 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 274 1989 3 522-527 |
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Influence of energy summing of α-particles and conversion electrons on the shapes of α-spectra in the region of the heaviest nuclei |
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Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produced in heavy ion fusion reactions and were implanted into silicon surface barrier detectors after in-flight separation from the projectile beam. It was shown that the summing effects will cause (a) the occurrence of additional lines in the α-energy spectra and (b) a change in the relative intensities of α-lines belonging to the α-decay pattern of a certain isotope. The results for ^2^1^5Th and ^2^1^3Ra are used for a discussion of the α-decay properties of the isotope ^2^5^5104 and its α-decay products ^2^5^1No and ^2^4^7Fm. Especially the large discrepancies of the α-energies of ^2^4^7Fm measured in our experiments and literature values are interpreted as due to a summing between α and electron energies. |
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Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produced in heavy ion fusion reactions and were implanted into silicon surface barrier detectors after in-flight separation from the projectile beam. It was shown that the summing effects will cause (a) the occurrence of additional lines in the α-energy spectra and (b) a change in the relative intensities of α-lines belonging to the α-decay pattern of a certain isotope. The results for ^2^1^5Th and ^2^1^3Ra are used for a discussion of the α-decay properties of the isotope ^2^5^5104 and its α-decay products ^2^5^1No and ^2^4^7Fm. Especially the large discrepancies of the α-energies of ^2^4^7Fm measured in our experiments and literature values are interpreted as due to a summing between α and electron energies. |
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Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produced in heavy ion fusion reactions and were implanted into silicon surface barrier detectors after in-flight separation from the projectile beam. It was shown that the summing effects will cause (a) the occurrence of additional lines in the α-energy spectra and (b) a change in the relative intensities of α-lines belonging to the α-decay pattern of a certain isotope. The results for ^2^1^5Th and ^2^1^3Ra are used for a discussion of the α-decay properties of the isotope ^2^5^5104 and its α-decay products ^2^5^1No and ^2^4^7Fm. Especially the large discrepancies of the α-energies of ^2^4^7Fm measured in our experiments and literature values are interpreted as due to a summing between α and electron energies. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">NLEJ180860410</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20210706140012.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">070505s1989 xx |||||o 00| ||eng c</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ180860410</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)GBVNLZ180860410</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Influence of energy summing of α-particles and conversion electrons on the shapes of α-spectra in the region of the heaviest nuclei</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1989</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">z</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zu</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Measured α-decay spectra of the isotopes ^2^1^5Th and ^2^1^3Ra were used to investigate the influence of energy summing of α-particles and conversion electrons, and Auger electrons, respectively, emitted after α-decays into excited daughter levels, on the shape of α-spectra. The isotopes were produced in heavy ion fusion reactions and were implanted into silicon surface barrier detectors after in-flight separation from the projectile beam. It was shown that the summing effects will cause (a) the occurrence of additional lines in the α-energy spectra and (b) a change in the relative intensities of α-lines belonging to the α-decay pattern of a certain isotope. The results for ^2^1^5Th and ^2^1^3Ra are used for a discussion of the α-decay properties of the isotope ^2^5^5104 and its α-decay products ^2^5^1No and ^2^4^7Fm. Especially the large discrepancies of the α-energies of ^2^4^7Fm measured in our experiments and literature values are interpreted as due to a summing between α and electron energies.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="f">Elsevier Journal Backfiles on ScienceDirect 1907 - 2002</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hessberger, F.P.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hofmann, S.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Munzenberg, G.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Schmidt, K.-H.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Armbruster, P.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hingmann, R.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">in</subfield><subfield code="t">Nuclear Instruments and Methods in Physics Research Section A:</subfield><subfield code="d">Amsterdam : Elsevier</subfield><subfield code="g">274(1989), 3, Seite 522-527</subfield><subfield code="w">(DE-627)NLEJ180854372</subfield><subfield code="w">(DE-600)1466532-3</subfield><subfield code="x">0168-9002</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:274</subfield><subfield code="g">year:1989</subfield><subfield code="g">number:3</subfield><subfield code="g">pages:522-527</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://linkinghub.elsevier.com/retrieve/pii/0168-9002(89)90184-8</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_H</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-SDJ</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">274</subfield><subfield code="j">1989</subfield><subfield code="e">3</subfield><subfield code="h">522-527</subfield></datafield></record></collection>
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