Fermion polarization in sfermion decays as a probe of CP phases in the MSSM

Journal of High Energy Physics

Volumn 8, Issue 9, 2004, Pages 1277-1296

  Gajdosik, Thomas ^a   Godbole, Rohini M ^b   Kraml, Sabine ^c,d  

^a Puslaidininkiu Fizikos Institutas   (Lithuania)

^b INDIAN INSTITUTE OF SCIENCE   (India)

^c INSTITUT FÜR HOCHENERGIEPHYSIK   (Austria)

^d CERN   (Switzerland)

Author keywords

CP violation; Spin and Polarization Effects; Supersymmetric Standard Model; Supersymmetry Phenomenology

Indexed keywords

EID: 23044495192     PISSN: 10298479     EISSN: 10298479     Source Type: Journal    
DOI: 10.1088/1126-6708/2004/09/051     Document Type: Article

References (64)

1. 0 meson, Phys. Rev. Lett. 13 (1964) 138.
2. BELLE collaboration, A. Abashian et al., Measurement of the CP-violation parameter sin(2φ(1)) in B/D0 meson decays, Phys. Rev. Lett. 86 (2001) 2509 [hep-ex/0102018];
3. BABAR collaboration, B. Aubert et al., Measurement of CP-violating asymmetries in B0 decays to CP eigenstates, Phys. Rev. Lett. 86 (2001) 2515 [hep-ex/0102030].
4. A.D. Sakharov, Violation of CP invariance, c asymmetry and baryon asymmetry of the universe, Pisma Zh. Eksp. Tear. Fiz. 5 (1967) 32.
5. For a recent summary, see A.D. Dolgov, Cosmological matter antimatter asymmetry and antimatter in the universe, hep-ph/0211260.
6. C.L. Bennett et al., First year Wilkinson microwave anisotropy probe (wmap) observations: preliminary maps and basic results, Astrophys. J. Suppl. 148 (2003) 1 [astro-ph/0302207].
7. For a review, see e.g. M. Dine and A. Kusenko, The origin of the matter-antimatter asymmetry, Rev. Mod. Phys. 76 (2004) 1 [hep-ph/0303065].
8. See, e.g. H.E. Haber and G.L. Kane, The search for supersymmetry: probing physics beyond the standard model, Phys. Rept. 117 (1985) 75.
9. T. Ibrahim and P. Nath, The chromoelectric and purely gluonic operator contributions to the neutron electric dipole moment in N = 1 supergravity, Phys. Lett. B 418 (1998) 98 [hep-ph/9707409];
10. The neutron and the electron electric dipole moment in N = 1 supergravity unification, Phys. Rev. D 57 (1998) 478 [hep-ph/9708456];
11. The neutron and the lepton edms in MSSM, large CP-violating phases and the cancellation mechanism, Phys. Rev. D 58 (1998) 111301 [hep-ph/9807501];
12. Large CP phases and the cancellation mechanism in edms in SUSY, string and brane models, Phys. Rev. D 61 (2000) 093004 [hep-ph/9910553].
13. M. Brhlik, G.J. Good and G.L. Kane, Electric dipole moments do not require the CP-violating phases of supersymmetry to be small, Phys. Rev. D 59 (1999) 115004 [hep-ph/9810457].
14. A. Bartl, T. Gajdosik, W. Porod, P. Stockinger and H. Stremnitzer, Electron and neutron electric dipole moments in the constrained MSSM, Phys. Rev. D 60 (1999) 073003 [hep-ph/9903402].
15. T. Falk and K.A. Olive, More on electric dipole moment constraints on phases in the constrained MSSM, Phys. Lett. B 439 (1998) 71 [hep-ph/9806236].
16. T. Falk, K.A. Olive, M. Pospelov and R. Roiban, MSSM predictions for the electric dipole moment of the Hg-199 atom, Nucl. Phys. B 560 (1999) 3 [hep-ph/9904393].
17. A. Pilaftsis, CP-odd tadpole renormalization of Higgs scalar-pseudoscalar mixing, Phys. Rev. D 58 (1998) 096010 [hep-ph/9803297];
18. Higgs scalar-pseudoscalar mixing in the minimal supersymmetric standard model, Phys. Lett. B 435 (1998) 88 [hep-ph/9805373];
19. A. Pilaftsis and C.E.M. Wagner, Higgs bosons in the minimal supersymmetric standard model with explicit CP-violation, Nucl. Phys. B 553 (1999) 3 [hep-ph/9902371].
20. D.A. Demir, Effects of the supersymmetric phases on the neutral Higgs sector, Phys. Rev. D 60 (1999) 055006 [hep-ph/9901389].
21. S.Y. Choi, M. Drees and J.S. Lee, Loop corrections to the neutral Higgs boson sector of the MSSM with explicit CP-violation, Phys. Lett. B 481 (2000) 57 [hep-ph/0002287].
22. M. Carena, J.R. Ellis, A. Pilaftsis and C.E.M. Wagner, Renormalization-group-improved effective potential for the MSSM Higgs sector with explicit CP-violation, Nucl. Phys. B 586 (2000) 92 [hep-ph/0003180].
23. D. Chang, W.-Y. Keung and A. Pilaftsis, New two-loop contribution to electric dipole moment in supersymmetric theories, Phys. Rev. Lett. 82 (1999) 900 [hep-ph/9811202].
24. A. Pilaftsis, Higgs-boson two-loop contributions to electric dipole moments in the MSSM, Phys. Lett. B 471 (1999) 174 [hep-ph/9909485].
25. D.A. Demir, O. Lebedev, K.A. Olive, M. Pospelov and A. Ritz, Electric dipole moments in the MSSM at large tanβ, Nucl. Phys. B 680 (2004) 339 [hep-ph/0311314].
26. A. Dedes and S. Moretti, Effect of large supersymmetric phases on Higgs production, Phys. Rev. Lett. 84 (2000) 22 [hep-ph/9908516];
27. Effects of CP-violating phases on Higgs boson production at hadron colliders in the minimal supersymmetric standard model, Nucl. Phys. B 576 (2000) 29 [hep-ph/9909418].
28. S.Y. Choi, K. Hagiwara and J.S. Lee, Observability of the lightest MSSM Higgs boson with explicit CP-violation via gluon fusion at the LHC, Phys. Lett. B 529 (2002) 212 [hep-ph/0110138].
29. - collisions, Eur. Phys. J. C 8 (1999) 669 [hep-ph/9812236].
30. S.Y. Choi, M. Guchait, H.S. Song and W.Y. Song, CP phases in correlated trilepton signal at Tevatron, Phys. Lett. B 483 (2000) 168 [hep-ph/9904276].
31. J.L. Kneur and G. Moultaka, Phases in the gaugino sector: direct reconstruction of the basic parameters and impact on the neutralino pair production, Phys. Rev. D 61 (2000) 095003 [hep-ph/9907360].
32. - linear colliders, Eur. Phys. J. C 14 (2000) 535 [hep-ph/0002033].
33. S.Y. Choi, M. Guchait, H.S. Song and W.Y. Song, Measuring MSSM CP-violating phases through spin correlated supersymmetric tri-lepton signatures at the Tevatron, hep-ph/0007276.
34. S.Y. Choi, J. Kalinowski, G. Moortgat-Pick and P.M. Zerwas, Analysis of the neutralino system in supersymmetric theories, Eur. Phys. J. C 22 (2001) 563 [hep-ph/0108117].
35. V.D. Barger et al., CP-violating phases in SUSY, electric dipole moments and linear colliders, Phys. Rev. D 64 (2001) 056007 [hep-ph/0101106].
36. - collisions, Phys. Rev. D 69 (2004) 035007 [hep-ph/0308141].
37. - → neutralino(i) neutralino(j) → neutralino(j) tau stau(k) with tau polarization, Phys. Lett. B 578 (2004) 341 [hep-ph/0309340].
38. S.Y. Choi, M. Drees, B. Gaissmaier and J. Song, Analysis of CP-violation in neutralino decays to tau sleptons, Phys. Rev. D 69 (2004) 035008 [hep-ph/0310284].
39. - → neutralino(i) neutralino(j) and neutralino decay into z boson, Eur. Phys. J. C 36 (2004) 233 [hep-ph/0402016].
40. S.Y. Choi, M. Drees and B. Gaissmaier, Systematic study of the impact of CP-violating phases of the MSSM on leptonic high-energy observables, Phys. Rev. D 70 (2004) 014010 [hep-ph/0403054].
41. A. Bartl, T. Kernreiter and W. Porod, A CP sensitive asymmetry in the three-body decay stau(1) → b sneutrino/tau tau+, Phys. Lett. B 538 (2002) 59 [hep-ph/0202198].
42. A. Bartl, K. Hidaka, T. Kernreiter and W. Porod, Impact of CP phases on the search for sleptons stau and sneutrino/tau, Phys. Lett. B 538 (2002) 137 [hep-ph/0204071].
43. A. Bartl, K. Hidaka, T. Kernreiter and W. Porod, tau-sleptons and tau-sneutrino in the MSSM with complex parameters, Phys. Rev. D 66 (2002) 115009 [hep-ph/0207186].
44. A. Bartl, H. Fraas, T. Kernreiter and O. Kittel, T-odd correlations in the decay of scalar fermions, Eur. Phys. J. C 33 (2004) 433 [hep-ph/0306304].
45. A. Bartl, S. Hesselbach, K. Hidaka, T. Kernreiter and W. Porod, Impact of CP phases on stop and sbottom searches, Phys. Lett. B 573 (2003) 153 [hep-ph/0307317].
46. A. Bartl, S. Hesselbach, K. Hidaka, T. Kernreiter and W. Porod, Top squarks and bottom squarks in the MSSM with complex parameters, Phys. Rev. D 70 (2004) 035003 [hep-ph/0311338].
47. S.Y. Choi, K. Hagiwara and J.S. Lee, Higgs boson decays in the minimal supersymmetric standard model with radiative Higgs sector CP-violation, Phys. Rev. D 64 (2001) 032004 [hep-ph/0103294].
48. A. Arhrib, D.K. Ghosh and O.C.W. Kong, Observing CP-violating MSSM Higgs bosons at hadron colliders?, Phys. Lett. B 537 (2002) 217 [hep-ph/0112039].
49. S.Y. Choi, M. Drees, J.S. Lee and J. Song, Supersymmetric Higgs boson decays in the MSSM with explicit CP-violation, Eur. Phys. J. C 25 (2002) 307 [hep-ph/0204200].
50. M. Carena, J.R. Ellis, S. Mrenna, A. Pilaftsis and C.E.M. Wagner, Collider probes of the MSSM Higgs sector with explicit CP-violation, Nucl. Phys. B 659 (2003) 145 [hep-ph/0211467].
51. 0 production in CP-violating SUSY scenarios, Phys. Lett. B 595 (2004) 347 [hep-ph/0401024].
52. E. Christova, H. Eberl, W. Majerotto and S. Kraml, CP-violation in charged Higgs decays in the MSSM with complex parameters, Nucl. Phys. B 639 (2002) 263 [hep-ph/0205227];
53. CP-violation in charged Higgs boson decays into tau and neutrino, J. High Energy Phys. 12 (2002) 021 [hep-ph/0211063].
54. M.M. Nojiri, Polarization of tau lepton from scalar tau decay as a probe of neutralino mixing, Phys. Rev. D 51 (1995) 6281 [hep-ph/9412374].
55. - colliders, Phys. Rev. D 54 (1996) 6756 [hep-ph/9606370].
56. E. Boos et al., Polarisation in sfermion decays: determining tan β and trilinear couplings, Eur. Phys. J. C 30 (2003) 395 [hep-ph/0303110].
57. LEPSUSYWG, ALEPH, DELPHI, L3 and OPAL experiments, note LEPSUSYWG/01-03, http://lepsusy.web.cern.ch/lepsusy.
58. - linear collider, hep-ph/0106315.
59. - linear collider with √s = 0.5tev to 2tev, Z. Physik C 76 (1997) 549 [hep-ph/9701336];
60. - linear collider, Eur. Phys. J. directEPHJDC220006 [hep-ph/0002115].
61. See, for instance, G. Belanger, F. Boudjema, A. Cottrant, R.M. Godbole and A. Semenov, The MSSM invisible Higgs in the light of dark matter and G -2, Phys. Lett. B 519 (2001) 93 [hep-ph/0106275].
62. For a review see: W. Majerotto, Radiative corrections to SUSY processes in the MSSM, hep-ph/0209137.
63. For a recent summary, see R.M. Godbole et al., CP studies of the Higgs sector, hep-ph/0404024.
64. SUSY Parameter Analysis (SPA) project, http://www-flc.desy.de/spa/.