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Low energy NN interaction

Low energy NN interaction. Scattering amplitude. Two channels:. Capture cross-section:. Scattering parameters. pp. np(1S0). nn. np(3S1). Сечение рассеяния. S-matrix. Poles of S-matrix. Four poles:. 1 S 0. D i b a r i o n r e s o n a n s e.

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Low energy NN interaction

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  1. Low energy NN interaction Scattering amplitude Two channels: Capture cross-section:

  2. Scattering parameters pp np(1S0) nn np(3S1)

  3. Сечение рассеяния

  4. S-matrix Poles of S-matrix Four poles: 1S0

  5. D i b a r i o n r e s o n a n s e S.T. Ma, Rev. Mod. Phys., v.25, p.853, 1953. С. Б. Борзаков, Ядерная физика, т. 57, с. 517, 1994.

  6. ЯФ, т. 46, вып. 1(7), 1987 г. ТРЕХЧАСТИЧНЫЙ РАСПАД СОСТОЯНИЯ 2+ ЯДЕР 6Не, 6Li, 6Be БОЧКАРЕВ О. В., КОРШЕНИННИКОВ А. А., КУЗЬМИН Е. А., МУХА И. Г., ОГЛОБЛИН А. А., ЧУЛКОВ Л. В., ЯНЬКОВ Г. Б.,

  7. Radiative capture n+p 0 1S0 -66 keV D 1S3 -2224 keV

  8. Массы двух нуклонов 2n n+p 2p

  9. Singlet deuteron . • K. Maltman, N. Isgur, Phys. Rev., D29, No. 5, p.952, 1984. Bd = -2.9 МэВ E(1S0) = -0.4 МэВ • A.N. Ivanov et al., e-Arxiv: nucl-th/0407079, 2004. ES= - 79 +/- 12 кэВ • R. Hackenburg, Preprints BNL, BNL-77482-2007-IR, BNL-77483-2007-JA . Eγ1 = 66 keV; Eγ2 = 2157 keV

  10. Схема установки ИБР-2 LiF HpGe Pb

  11. Амплитудный спектр гамма-квантов n + p d + γ

  12. Энергии и площади гамма линий.

  13. Singlet deuteron R. Hackenburg Фон

  14. Singlet deuteron

  15. 2164 keV - ? • 65Cu 2163.2 (0.98) – no 543.85 (10.22); 1559.86 (13.66) • 120Sn 2163.7 (17.0) - no 925.7 (100); 942.9 (100); 966.0 (100) • 56Fe 2164.7 (0.69) - no 692.03 (16.38); 1612.78 (18.55); 1725.28(21.72)

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