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EnglishThe annihilation frequencies of 19 (p) over barp annihilation reactions at rest obtained in different target densities are analysed in order to determine the values of the P-wave annihilation percentage at each target density and the average hadronic branching ratios from P- and S-states. Both the assumptions of linear dependence of the annihilation frequencies on the P-wave annihilation percentage of the protonium state and the approach with the enhancement factors of Batty are considered. Furthermore the cases of incompatible measurements are discussed. (C) 2001 Elsevier Science B.V. All rights reserved.
Contribution from S and P waves in p(p)over-bar annihilation at rest / Bendiscioli G; Filippini V; Fontana A; Montagna P; Rotondi A; Salvini P; Bertin A; Bruschi M; Capponi M; De Castro S; Dona' R; Galli D; Giaobbe B; Marconi U; Massa I; Piccinini M; Cesari NS; Spighi R; Vecchi S; Vagnoni V; Villa M; Vitale A; Zoccoli A; Bianconi A; Bonomi G; Rizzini EL; Venturelli L; Zenoni A; Cicalo C; De Falco A; Masoni A; Puddu G; Serci S; Usai G; Gorchakov OE; Prkahov SN; Rozhdestvensky AM; Tretyak VI; Poli M; Gianotti P; Guaraldo C; Lanaro A; Lucherini V; Petrascu C; Kudryavtsev AE; Balestra F; Bussa MP; Busso L; Cerello P; Denisov OY; Ferrero L; Grasso A; Maggiora A; Panzarasa A; Panzieri D; Tosello F; Botta E; Bressani T; Calvo D; Costa S; D'Isep D; Feliciello A; Filippi A; Marcello S; Mirfakhrai N; Agnello M; Iazzi F; Minetti B; Tessaro S. - 686(2001), pp. 317-340.
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| Titolo: | Contribution from S and P waves in p(p)over-bar annihilation at rest |
| Autori: | |
| Data di pubblicazione: | 2001 |
| Rivista: | |
| Citazione: | Contribution from S and P waves in p(p)over-bar annihilation at rest / Bendiscioli G; Filippini V; Fontana A; Montagna P; Rotondi A; Salvini P; Bertin A; Bruschi M; Capponi M; De Castro S; Dona' R; Galli D; Giaobbe B; Marconi U; Massa I; Piccinini M; Cesari NS; Spighi R; Vecchi S; Vagnoni V; Villa M; Vitale A; Zoccoli A; Bianconi A; Bonomi G; Rizzini EL; Venturelli L; Zenoni A; Cicalo C; De Falco A; Masoni A; Puddu G; Serci S; Usai G; Gorchakov OE; Prkahov SN; Rozhdestvensky AM; Tretyak VI; Poli M; Gianotti P; Guaraldo C; Lanaro A; Lucherini V; Petrascu C; Kudryavtsev AE; Balestra F; Bussa MP; Busso L; Cerello P; Denisov OY; Ferrero L; Grasso A; Maggiora A; Panzarasa A; Panzieri D; Tosello F; Botta E; Bressani T; Calvo D; Costa S; D'Isep D; Feliciello A; Filippi A; Marcello S; Mirfakhrai N; Agnello M; Iazzi F; Minetti B; Tessaro S. - 686(2001), pp. 317-340. |
| Abstract: | The annihilation frequencies of 19 (p) over barp annihilation reactions at rest obtained in different target densities are analysed in order to determine the values of the P-wave annihilation percentage at each target density and the average hadronic branching ratios from P- and S-states. Both the assumptions of linear dependence of the annihilation frequencies on the P-wave annihilation percentage of the protonium state and the approach with the enhancement factors of Batty are considered. Furthermore the cases of incompatible measurements are discussed. (C) 2001 Elsevier Science B.V. All rights reserved. |
| Handle: | http://hdl.handle.net/11584/43550 |
| Tipologia: | 1.1 Articolo in rivista |
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