A Study of the Slowing Down Distribution of Sb124-Be Photo-Neutrons in Graphite, and of the Use of Indium Foils
The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calc...
Ausführliche Beschreibung
Gespeichert in:
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| Format: |
E-Artikel |
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| Erschienen: |
1950 |
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| Umfang: |
Online-Ressource 5 |
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| Reproduktion: |
APS Digital Backfile Archive 1893-2003 |
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| Übergeordnetes Werk: |
Enthalten in: The physical review - Lancaster, Pa. [u.a.], 1893, 80(1950), 1, Seite 6-10 |
| Übergeordnetes Werk: |
volume:80 ; year:1950 ; number:1 ; pages:6-10 ; extent:5 |
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| 520 | |a The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected. | ||
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(DE-627)NLEJ251346587 (DE-601)aps:713b0a9589324222040b65fa10f441211bff0fbc DE-627 ger DE-627 rakwb A Study of the Slowing Down Distribution of Sb124-Be Photo-Neutrons in Graphite, and of the Use of Indium Foils 1950 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected. APS Digital Backfile Archive 1893-2003 Roberts, L. D. oth Hill, J. E. oth McCammon, G. oth Enthalten in The physical review Lancaster, Pa. [u.a.], 1893 80(1950), 1, Seite 6-10 (DE-627)NLEJ24823790X (DE-600)2177092-X 1536-6065 nnns volume:80 year:1950 number:1 pages:6-10 extent:5 https://www.tib.eu/de/suchen/id/aps%3A713b0a9589324222040b65fa10f441211bff0fbc Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 80 1950 1 6-10 5 |
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(DE-627)NLEJ251346587 (DE-601)aps:713b0a9589324222040b65fa10f441211bff0fbc DE-627 ger DE-627 rakwb A Study of the Slowing Down Distribution of Sb124-Be Photo-Neutrons in Graphite, and of the Use of Indium Foils 1950 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected. APS Digital Backfile Archive 1893-2003 Roberts, L. D. oth Hill, J. E. oth McCammon, G. oth Enthalten in The physical review Lancaster, Pa. [u.a.], 1893 80(1950), 1, Seite 6-10 (DE-627)NLEJ24823790X (DE-600)2177092-X 1536-6065 nnns volume:80 year:1950 number:1 pages:6-10 extent:5 https://www.tib.eu/de/suchen/id/aps%3A713b0a9589324222040b65fa10f441211bff0fbc Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 80 1950 1 6-10 5 |
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(DE-627)NLEJ251346587 (DE-601)aps:713b0a9589324222040b65fa10f441211bff0fbc DE-627 ger DE-627 rakwb A Study of the Slowing Down Distribution of Sb124-Be Photo-Neutrons in Graphite, and of the Use of Indium Foils 1950 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected. APS Digital Backfile Archive 1893-2003 Roberts, L. D. oth Hill, J. E. oth McCammon, G. oth Enthalten in The physical review Lancaster, Pa. [u.a.], 1893 80(1950), 1, Seite 6-10 (DE-627)NLEJ24823790X (DE-600)2177092-X 1536-6065 nnns volume:80 year:1950 number:1 pages:6-10 extent:5 https://www.tib.eu/de/suchen/id/aps%3A713b0a9589324222040b65fa10f441211bff0fbc Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 80 1950 1 6-10 5 |
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(DE-627)NLEJ251346587 (DE-601)aps:713b0a9589324222040b65fa10f441211bff0fbc DE-627 ger DE-627 rakwb A Study of the Slowing Down Distribution of Sb124-Be Photo-Neutrons in Graphite, and of the Use of Indium Foils 1950 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected. APS Digital Backfile Archive 1893-2003 Roberts, L. D. oth Hill, J. E. oth McCammon, G. oth Enthalten in The physical review Lancaster, Pa. [u.a.], 1893 80(1950), 1, Seite 6-10 (DE-627)NLEJ24823790X (DE-600)2177092-X 1536-6065 nnns volume:80 year:1950 number:1 pages:6-10 extent:5 https://www.tib.eu/de/suchen/id/aps%3A713b0a9589324222040b65fa10f441211bff0fbc Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 80 1950 1 6-10 5 |
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(DE-627)NLEJ251346587 (DE-601)aps:713b0a9589324222040b65fa10f441211bff0fbc DE-627 ger DE-627 rakwb A Study of the Slowing Down Distribution of Sb124-Be Photo-Neutrons in Graphite, and of the Use of Indium Foils 1950 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected. APS Digital Backfile Archive 1893-2003 Roberts, L. D. oth Hill, J. E. oth McCammon, G. oth Enthalten in The physical review Lancaster, Pa. [u.a.], 1893 80(1950), 1, Seite 6-10 (DE-627)NLEJ24823790X (DE-600)2177092-X 1536-6065 nnns volume:80 year:1950 number:1 pages:6-10 extent:5 https://www.tib.eu/de/suchen/id/aps%3A713b0a9589324222040b65fa10f441211bff0fbc Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 80 1950 1 6-10 5 |
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a study of the slowing down distribution of sb124-be photo-neutrons in graphite, and of the use of indium foils |
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A Study of the Slowing Down Distribution of Sb124-Be Photo-Neutrons in Graphite, and of the Use of Indium Foils |
| abstract |
The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected. |
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The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected. |
| abstract_unstemmed |
The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000naa a22002652 4500</leader><controlfield tag="001">NLEJ251346587</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20231114111416.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">231114s1950 xx |||||o 00| ||und c</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ251346587</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-601)aps:713b0a9589324222040b65fa10f441211bff0fbc</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="245" ind1="1" ind2="0"><subfield code="a">A Study of the Slowing Down Distribution of Sb124-Be Photo-Neutrons in Graphite, and of the Use of Indium Foils</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1950</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">5</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">The spatial density distribution of indium resonance neutrons (1.44 ev resonance) has been measured around a point Sb124-Be photo-neutron source in a graphite slowing down medium. This distribution was found to be in agreement with appropriate theory. The source energy of the photo-neutrons was calculated from the measured neutron distribution and a value of 20±4 kev was obtained in fair agreement with values obtained by other methods. It was found that there is a quite appreciable capture cross section in In115 above the 1.44-ev resonance extending in energy to at least several kev. It is shown that this capture of neutrons with energies above 1.44 ev can introduce an error into neutron slowing down measurements which can be important under some circumstances, and it is shown how this error can be corrected.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="f">APS Digital Backfile Archive 1893-2003</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Roberts, L. D.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hill, J. E.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">McCammon, G.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">The physical review</subfield><subfield code="d">Lancaster, Pa. [u.a.], 1893</subfield><subfield code="g">80(1950), 1, Seite 6-10</subfield><subfield code="w">(DE-627)NLEJ24823790X</subfield><subfield code="w">(DE-600)2177092-X</subfield><subfield code="x">1536-6065</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:80</subfield><subfield code="g">year:1950</subfield><subfield code="g">number:1</subfield><subfield code="g">pages:6-10</subfield><subfield code="g">extent:5</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://www.tib.eu/de/suchen/id/aps%3A713b0a9589324222040b65fa10f441211bff0fbc</subfield><subfield code="x">Verlag</subfield><subfield code="z">Deutschlandweit zugänglich</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-APS</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">80</subfield><subfield code="j">1950</subfield><subfield code="e">1</subfield><subfield code="h">6-10</subfield><subfield code="g">5</subfield></datafield></record></collection>
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7.400008 |