A2+ Mass Spectrum in π+p Interactions at 3.7 GeVc
A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a c...
Ausführliche Beschreibung
Gespeichert in:
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1971 |
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Online-Ressource 5 |
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APS Digital Backfile Archive 1893-2003 |
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Enthalten in: Physical review letters - College Park, Md. : APS, 1958, 26(1971), 24, Seite 1494-1498 |
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volume:26 ; year:1971 ; number:24 ; pages:1494-1498 ; extent:5 |
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| 520 | |a A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments. | ||
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(DE-627)NLEJ251189279 (DE-601)aps:29ed712c608bbc91d7abc2937039c2a10da9645b DE-627 ger DE-627 rakwb A2+ Mass Spectrum in π+p Interactions at 3.7 GeVc 1971 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments. APS Digital Backfile Archive 1893-2003 Barnham, K. W. oth Abrams, G. S. oth Butler, W. R. oth Coyne, D. G. oth Goldhaber, G. oth Hall, B. H. oth MacNaughton, J. oth Trilling, G. H. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 26(1971), 24, Seite 1494-1498 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:26 year:1971 number:24 pages:1494-1498 extent:5 https://www.tib.eu/de/suchen/id/aps%3A29ed712c608bbc91d7abc2937039c2a10da9645b Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 26 1971 24 1494-1498 5 |
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(DE-627)NLEJ251189279 (DE-601)aps:29ed712c608bbc91d7abc2937039c2a10da9645b DE-627 ger DE-627 rakwb A2+ Mass Spectrum in π+p Interactions at 3.7 GeVc 1971 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments. APS Digital Backfile Archive 1893-2003 Barnham, K. W. oth Abrams, G. S. oth Butler, W. R. oth Coyne, D. G. oth Goldhaber, G. oth Hall, B. H. oth MacNaughton, J. oth Trilling, G. H. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 26(1971), 24, Seite 1494-1498 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:26 year:1971 number:24 pages:1494-1498 extent:5 https://www.tib.eu/de/suchen/id/aps%3A29ed712c608bbc91d7abc2937039c2a10da9645b Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 26 1971 24 1494-1498 5 |
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(DE-627)NLEJ251189279 (DE-601)aps:29ed712c608bbc91d7abc2937039c2a10da9645b DE-627 ger DE-627 rakwb A2+ Mass Spectrum in π+p Interactions at 3.7 GeVc 1971 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments. APS Digital Backfile Archive 1893-2003 Barnham, K. W. oth Abrams, G. S. oth Butler, W. R. oth Coyne, D. G. oth Goldhaber, G. oth Hall, B. H. oth MacNaughton, J. oth Trilling, G. H. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 26(1971), 24, Seite 1494-1498 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:26 year:1971 number:24 pages:1494-1498 extent:5 https://www.tib.eu/de/suchen/id/aps%3A29ed712c608bbc91d7abc2937039c2a10da9645b Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 26 1971 24 1494-1498 5 |
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(DE-627)NLEJ251189279 (DE-601)aps:29ed712c608bbc91d7abc2937039c2a10da9645b DE-627 ger DE-627 rakwb A2+ Mass Spectrum in π+p Interactions at 3.7 GeVc 1971 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments. APS Digital Backfile Archive 1893-2003 Barnham, K. W. oth Abrams, G. S. oth Butler, W. R. oth Coyne, D. G. oth Goldhaber, G. oth Hall, B. H. oth MacNaughton, J. oth Trilling, G. H. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 26(1971), 24, Seite 1494-1498 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:26 year:1971 number:24 pages:1494-1498 extent:5 https://www.tib.eu/de/suchen/id/aps%3A29ed712c608bbc91d7abc2937039c2a10da9645b Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 26 1971 24 1494-1498 5 |
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(DE-627)NLEJ251189279 (DE-601)aps:29ed712c608bbc91d7abc2937039c2a10da9645b DE-627 ger DE-627 rakwb A2+ Mass Spectrum in π+p Interactions at 3.7 GeVc 1971 Online-Ressource 5 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments. APS Digital Backfile Archive 1893-2003 Barnham, K. W. oth Abrams, G. S. oth Butler, W. R. oth Coyne, D. G. oth Goldhaber, G. oth Hall, B. H. oth MacNaughton, J. oth Trilling, G. H. oth Enthalten in Physical review letters College Park, Md. : APS, 1958 26(1971), 24, Seite 1494-1498 Online-Ressource (DE-627)NLEJ248237888 (DE-600)1472655-5 1079-7114 nnns volume:26 year:1971 number:24 pages:1494-1498 extent:5 https://www.tib.eu/de/suchen/id/aps%3A29ed712c608bbc91d7abc2937039c2a10da9645b Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 26 1971 24 1494-1498 5 |
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A2+ Mass Spectrum in π+p Interactions at 3.7 GeVc |
| abstract |
A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments. |
| abstractGer |
A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments. |
| abstract_unstemmed |
A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments. |
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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">NLEJ251189279</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20231114110950.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">231114s1971 xx |||||o 00| ||und c</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ251189279</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-601)aps:29ed712c608bbc91d7abc2937039c2a10da9645b</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">A2+ Mass Spectrum in π+p Interactions at 3.7 GeVc</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1971</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">A study of the A2+ mass spectrum in π+p interactions at 3.7 GeVc is presented. For a cut of t′=0.1-2.0 GeV2 and on eliminating the Δ++ we find that the three-pion mass spectrum in the A2+ region is fitted by the dipole formula with a confidence level of 53% and a single Breit-Wigner formula with a confidence level of 11%. Our result thus favors A2+ splitting although a single Breit-Wigner fit cannot be ruled out. We also report the A2+ decay branching fractions measured over all t′ values. They are 0.78 ± 0.05, 0.15 ± 0.04, 0.06 ± 0.03, and < 0.02 for ρπ, ηπ, KK¯, and η′ π, respectively, in good agreement with other experiments.</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">Barnham, K. W.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Abrams, G. S.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Butler, W. R.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Coyne, D. G.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Goldhaber, G.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hall, B. H.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">MacNaughton, J.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Trilling, G. H.</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">26(1971), 24, Seite 1494-1498</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:26</subfield><subfield code="g">year:1971</subfield><subfield code="g">number:24</subfield><subfield code="g">pages:1494-1498</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%3A29ed712c608bbc91d7abc2937039c2a10da9645b</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">26</subfield><subfield code="j">1971</subfield><subfield code="e">24</subfield><subfield code="h">1494-1498</subfield><subfield code="g">5</subfield></datafield></record></collection>
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