Search for resonances in the e+e-→γγ process in the mass region around 1.062 MeV/c2
We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a pe...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
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| Format: |
E-Artikel |
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| Erschienen: |
1989 |
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| Umfang: |
Online-Ressource 4 |
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| Reproduktion: |
APS Digital Backfile Archive 1893-2003 |
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| Übergeordnetes Werk: |
Enthalten in: Physical review letters - College Park, Md. : APS, 1958, 62(1989), 10, Seite 1091-1094 |
| Übergeordnetes Werk: |
volume:62 ; year:1989 ; number:10 ; pages:1091-1094 ; extent:4 |
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| 520 | |a We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2 | ||
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(DE-627)NLEJ250950839 (DE-601)aps:8016505567fa5f66d4b049996d9595039f1a247e DE-627 ger DE-627 rakwb Search for resonances in the e+e-→γγ process in the mass region around 1.062 MeV/c2 1989 Online-Ressource 4 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2 APS Digital Backfile Archive 1893-2003 Minowa, M. oth Orito, S. oth Tsuchiaki, M. oth Tsukamoto, T. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 62(1989), 10, Seite 1091-1094 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:62 year:1989 number:10 pages:1091-1094 extent:4 https://www.tib.eu/de/suchen/id/aps%3A8016505567fa5f66d4b049996d9595039f1a247e Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 62 1989 10 1091-1094 4 |
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(DE-627)NLEJ250950839 (DE-601)aps:8016505567fa5f66d4b049996d9595039f1a247e DE-627 ger DE-627 rakwb Search for resonances in the e+e-→γγ process in the mass region around 1.062 MeV/c2 1989 Online-Ressource 4 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2 APS Digital Backfile Archive 1893-2003 Minowa, M. oth Orito, S. oth Tsuchiaki, M. oth Tsukamoto, T. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 62(1989), 10, Seite 1091-1094 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:62 year:1989 number:10 pages:1091-1094 extent:4 https://www.tib.eu/de/suchen/id/aps%3A8016505567fa5f66d4b049996d9595039f1a247e Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 62 1989 10 1091-1094 4 |
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(DE-627)NLEJ250950839 (DE-601)aps:8016505567fa5f66d4b049996d9595039f1a247e DE-627 ger DE-627 rakwb Search for resonances in the e+e-→γγ process in the mass region around 1.062 MeV/c2 1989 Online-Ressource 4 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2 APS Digital Backfile Archive 1893-2003 Minowa, M. oth Orito, S. oth Tsuchiaki, M. oth Tsukamoto, T. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 62(1989), 10, Seite 1091-1094 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:62 year:1989 number:10 pages:1091-1094 extent:4 https://www.tib.eu/de/suchen/id/aps%3A8016505567fa5f66d4b049996d9595039f1a247e Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 62 1989 10 1091-1094 4 |
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(DE-627)NLEJ250950839 (DE-601)aps:8016505567fa5f66d4b049996d9595039f1a247e DE-627 ger DE-627 rakwb Search for resonances in the e+e-→γγ process in the mass region around 1.062 MeV/c2 1989 Online-Ressource 4 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2 APS Digital Backfile Archive 1893-2003 Minowa, M. oth Orito, S. oth Tsuchiaki, M. oth Tsukamoto, T. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 62(1989), 10, Seite 1091-1094 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:62 year:1989 number:10 pages:1091-1094 extent:4 https://www.tib.eu/de/suchen/id/aps%3A8016505567fa5f66d4b049996d9595039f1a247e Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 62 1989 10 1091-1094 4 |
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(DE-627)NLEJ250950839 (DE-601)aps:8016505567fa5f66d4b049996d9595039f1a247e DE-627 ger DE-627 rakwb Search for resonances in the e+e-→γγ process in the mass region around 1.062 MeV/c2 1989 Online-Ressource 4 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2 APS Digital Backfile Archive 1893-2003 Minowa, M. oth Orito, S. oth Tsuchiaki, M. oth Tsukamoto, T. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 62(1989), 10, Seite 1091-1094 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:62 year:1989 number:10 pages:1091-1094 extent:4 https://www.tib.eu/de/suchen/id/aps%3A8016505567fa5f66d4b049996d9595039f1a247e Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 62 1989 10 1091-1094 4 |
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Search for resonances in the e+e-→γγ process in the mass region around 1.062 MeV/c2 |
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search for resonances in the e+e-→γγ process in the mass region around 1.062 mev/c2 |
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Search for resonances in the e+e-→γγ process in the mass region around 1.062 MeV/c2 |
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We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2 |
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We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2 |
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We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2 |
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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">NLEJ250950839</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20231114110250.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">231114s1989 xx |||||o 00| ||und c</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ250950839</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-601)aps:8016505567fa5f66d4b049996d9595039f1a247e</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">Search for resonances in the e+e-→γγ process in the mass region around 1.062 MeV/c2</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1989</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">4</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">We have searched for narrow resonance peaks in the process e+e-→γγ, utilizing a Na22 β+ source and a pair of Ge detectors to detect the final two γ’s. No statistically significant peak is observed at the center-of-mass energy of 1062 keV, where the heavy-ion-collision experiment at LBL has seen a peak. The upper limit to the quantity ΓeeΓγγ/Γ is 1.1×10-4 eV at the 95% confidence level for a scalar or pseudoscalar resonance at 1062 keV/c2. Similar upper limits are obtained in the mass region between 1045 and 1085 keV/c2</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">Minowa, M.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Orito, S.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tsuchiaki, M.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tsukamoto, T.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Physical review letters</subfield><subfield code="d">College Park, Md. : APS, 1958</subfield><subfield code="g">62(1989), 10, Seite 1091-1094</subfield><subfield code="h">Online-Ressource</subfield><subfield code="w">(DE-627)NLEJ248237888</subfield><subfield code="w">(DE-600)1472655-5</subfield><subfield code="x">1079-7114</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:62</subfield><subfield code="g">year:1989</subfield><subfield code="g">number:10</subfield><subfield code="g">pages:1091-1094</subfield><subfield code="g">extent:4</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://www.tib.eu/de/suchen/id/aps%3A8016505567fa5f66d4b049996d9595039f1a247e</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">62</subfield><subfield code="j">1989</subfield><subfield code="e">10</subfield><subfield code="h">1091-1094</subfield><subfield code="g">4</subfield></datafield></record></collection>
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7.400853 |