SPA meeting, DESY The SUSY Les Houches Accord hep-ph/0311123 : P . Skands, B.C. Allanach, H. Baer, C. Balázs, G. Bélanger, F . Boudjema, A. Djouadi, R. Godbole, J. Guasch, S. Heinemeyer, W. Kilian, J. Kneur, S. Kraml, F . Moortgat, S. Moretti, M. Mühlleitner, W. Porod, A. Pukhov, P . Richardson, S. Schumann, P . Slavich, M. Spira, G. Weiglein SLHA meets SPA, P . Skands – p.1/15
Overview 1. SLHA — Why? 2. The SUSY Les Houches Accord. 3. (Examples.) 4. Concluding Remarks. SLHA meets SPA, P . Skands – p.2/15
� 1. SLHA — Why? Spectrum Parton Level SUSY model Calculator Event Generator F EYN H IGGS MSSM C OMPHEP I SASUSY SUGRA G RACE (P YTHIA ) GMSB H ERWIG AMSB S OFTSUSY I SAJET S PHENO RPV P ROSPINO S USPECT CPV P YTHIA ... NMSSM S HERPA ... S USYGEN W HIZARD ... H DECAY Decay MICR S CDM S DECAY Package D ARKSUSY ... Package Mühlleitner et al. hep-ph/0311167 N EUTDRIVER NLO QCD SUSY Decays ... SLHA meets SPA, P . Skands – p.3/15
� 1. SLHA — Why? to make life easier. SLHA Input SLHA Spectrum Parton Level SUSY Input + Spectrum model Calculator Event Generator F EYN H IGGS MSSM C OMPHEP I SASUSY SUGRA G RACE (P YTHIA ) GMSB H ERWIG AMSB S OFTSUSY I SAJET S PHENO RPV P ROSPINO S USPECT CPV P YTHIA ... NMSSM S HERPA ... SLHA Input S USYGEN + Spectrum W HIZARD ... H DECAY SLHA Input Decay MICR S + Spectrum CDM S DECAY Package + Decay table D ARKSUSY ... Package N EUTDRIVER ... SLHA meets SPA, P . Skands – p.3/15
� 1. SLHA — Why? to make life easier. SLHA Input SLHA Spectrum Parton Level SUSY Input + Spectrum model Calculator Event Generator MSSM ✔ F EYN H IGGS ✔ C OMPHEP I SASUSY ( ✔ ) SUGRA ✔ G RACE (P YTHIA ) ✔ GMSB ✔ H ERWIG AMSB ✔ S OFTSUSY ✔ I SAJET S PHENO ✔ RPV P ROSPINO S USPECT ( ✔ ) P YTHIA ✔ CPV ... NMSSM S HERPA ... SLHA Input S USYGEN + Spectrum W HIZARD ... H DECAY SLHA Input Decay S ✔ MICR + Spectrum CDM S DECAY ✔ Package + Decay table D ARKSUSY ... Package N EUTDRIVER ... SLHA meets SPA, P . Skands – p.3/15
Overview 1. SLHA — Why? 2. The SUSY Les Houches Accord. 3. (Examples.) 4. Concluding Remarks. SLHA meets SPA, P . Skands – p.4/15
2. The SUSY Les Houches Accord SLHA — Considerations: ✧ Flexible/Extendable Structure should be general enough to eventually handle any model. ✧ Consistency Parameters must be consistently and un- ambiguously defined. ✧ Easy to implement and use Address what is actually on the market, and make sure humans can understand it too. SLHA meets SPA, P . Skands – p.5/15
2. The SUSY Les Houches Accord SLHA — Considerations: ✧ Flexible/Extendable Structure should be general enough to eventually handle any model. ✧ Consistency Parameters must be consistently and un- ambiguously defined. ✧ Easy to implement and use Address what is actually on the market, and make sure humans can understand it too. SLHA meets SPA, P . Skands – p.5/15
� 2. The SUSY Les Houches Accord Conventions & Consistency: 1. Experimental Boundary Conditions (measured “SM” couplings & masses). 2. Defining the SUSY model (in a form suitable to spectrum calculation programs). 3. Communicating the resulting spectrum (in a form suitable for cross section and width calcula- tions). pretty much ‘theoretician’s definitions’, you start with assumptions about the high scale physics and work out the low scale consequences. SLHA meets SPA, P . Skands – p.6/15
✧ ✖ ✖ ☛ ✌ ✠ ✢ ✣ ✑ ☎ ✕ ✝ ✟ ✆ ✮ ✭ ✆ ✝ ✬ ★ ✫ ✟ ☎ ✕ ✜ ✝ ✠ ✯ ✆ ✄ ☎ ✱ ✟ ✠ ✮ ✌ ✭ ✫ ✑ ✬ ✕ ✖ ☛ ✌ ✠ ✗ ✘ ✙ ✆ 2. The SUSY Les Houches Accord Conventions & Consistency: 1. Experimental Boundary Conditions �✂✁ ✆✞✝ ✒✔✓ ✒✔✓ ✒✔✓ ✡☞☛ ✍✏✎ ✚✏✛ The Fermi constant determined from decay ✤✦✥ The boson pole mass The 5–flavour strong coupling at �✪✩ The quark running mass at ✆✰✯ ✆✰✯ Top pole mass ✆✳✲ Tau pole mass ✆✵✴ Note: no SUSY corrections here! SLHA meets SPA, P . Skands – p.7/15
❃ ◆ ✮ ❁ ✸ ❥ ✿ ✭ ✻ ✪ ✰ ✓ ✵ ✴ ✭ ✮ ✸ ❃ ✪ ✮ ✻ ❁ ☎ ✪ ✪ ✆ ✮ ● ✟ ❏ ✭✮ ❑ ✲ ✭✮ ▲ ▼ ✭ ✜ ✮ ✌ ☎ ❦ ★ ✲ ✟ ◆ ❥ ✵ ✿ ✿ ✪ ☎ ✆ ✆ ✭ ❀ ✰ ◆ ❇ ❞ ✴ ✭✮ ✿ ❀ ☎ ❭ ✰ ◆ ❴ ✴ ✬ ✵ ● ✵ ❁ ✮ ✰ ❁ ◆ ❇ ❞ ✴ ✭✮ ✸ ✹ ✪ ✮ ✻ ✧ ✿ ✭ ❀ ✰ ◆ ❇ ☎ ✴ ✭ ✮ ✟ ■ ❁ ❁ ✖ ✇ ✈ ✂ ✓ ☎ ✆ ✝ ✟ ✔✕ ✌ ☎ ✗ ✖ ✡ ✸ ✘ ✙ ☎ ✇ ❪ r ✎ ✌ ❁ ✟ ● � ✁ ✂ ☎ ✧ ✟ ✄ ☎ ■ ❁ ✡ ✧ ☞ ✝ ✡ ☞ ✟ ✌ ✍ ① ✆ ☎ ★ ❊ ✴ ✬ ✶ ❇ ✿ ✮ ❀ ❁ ✰ ✲ ❆ ✭ s ✮ ✵ ✶ ✸ ❃ ✪ ✟ ✲ ✿ ★ ✸ ✵ ✲ ✸ ✟ ✉ ✬ ✭✮ t ✲ ✳ ✴ ✭✮ ✵ ✉ ✭✮ ✬ ❇ r ✿ ❁ ❁ ✰ ✲ ❂ ✴ ■ . Skands – p.8/15 ❋❍● SLHA meets SPA, P ✬❈❇ 2. The SUSY Les Houches Accord ) ❡✐❤ ❦❄❧♠ ✸✺❅ ✪✷✶ ❙❳❲ ✆ ✛✚ ✤✦✥ ✭✼✻ ✸❄❃ ❋❍● ✩✫✪ ❇❫❪ ✪✷✶ ) ✭✺✻ ✌❣❢ ✸✼✹ (can also be given at ✸✾✽ ✸✾✈ ✮❘❀ , or , ( Conventions & Consistency: ❋❍● ❙✛❬ ❇❚❙❱❯ ✸✾✽ ✮✼❀ ✌❛❵❝❡ ✭✼✻ ✸✺✹ ✸✾✽ 2. Defining the SUSY Model ✪✷✶ ✮✺❀ ✸✾❉ ✸✾t ✌❛❵❝❜ ✭✺✻ ✸✾❨ ✠☛✡ ✬❈❇ Either ✯✱✰ ✆✞✝ ❙✛❩ ✸❘s q✣r ❇P❖❘◗ ✸✾❨ ✩✫✪ ✤✦✥✧ ✤✦✥✧ ✤✦✥✧ ✜✣✢ ♥♣♦ ✏✒✑
✟ ✟ ✙ ✥ ☞ ✤ ✣ ✟ ✕ ✔ ✟ ☎ ☎ ✙ ✖ ☎ ✔✕ ❢ ✘ ✟ ✟ ✔ ✕ ✘ ✛ ✘ ✟ ✢ ✕ ✜ ✙ ☎ ✔ ✦ ✖ ✔ ✟ ✕ ☎ ✙ ✆ ☎ ✟ ✟ ✔✕ ✟ ☎ ☎ ✙ ☎ ✌ ✆ ✌ ✖ ☎ ☎ ✖ ✌ ✡ ✧ ✌ ✩ ✌ ✟ ☎ ☎ ✣ ★ ☎ ✜ ✡ ✠ ✖ ✏ ☛ ✠ ☎ ✒ ❜ ✄ ❵ ✒ ✏ ☛ ☎ ❵ ☞ ❜ ✄ ❵ ✒ ✆ ☎ ✄ ✂ ✔✕ ✟ ☎ ☛ ✒ ☎ ✄ ☎ ✖ ❡ ❡ ☎ ❵ ✟ ✔ ❜ ❵ ✓ ✄ ☛ ☛ ✕ ✖ ✠ ✄ ✌ ✗ ✒ ✂ 2. The SUSY Les Houches Accord Conventions & Consistency: 3. Communicating the Spectrum: parameters ✘ ✁� ✌✎✍ ✌✎✓ ✌✎✕ ✖ ✡✠☛ ✖ ✡✠☛ ✖ ✡✠ ✝✟✞ ✝✟✑ ✝✟✔ ✘ ✗� ✏✒✑ , , and : gauge couplings ✘ ✁� ✘✚✙ Soft breaking trilinear couplings ✘ ✢� , so GeV ✘ ✁� Soft breaking gaugino masses ✘ ✗� Soft breaking sfermion masses ✘ ✁� Running mass. ✘ ✁� In hep-ph writeup / Being included, before journal submission SLHA meets SPA, P . Skands – p.9/15
✭ � � �✁ ✮ 2. The SUSY Les Houches Accord Conventions & Consistency: 3. Communicating the Spectrum: mixing matrices mixing angles avoided, matrix elements given instead. No consensus on best scheme Effective ‘best choice’ definitions, at the discretion of each spectrum calculator. E.g. : Diagonalizes loop–corrected mass matrices, but not a or parameter. Still, not scale independent. On– shell scheme has scale fixed by renormalization conditions, and external propagators still carry some momentum, which momentum? SLHA meets SPA, P . Skands – p.10/15
Overview 1. SLHA — Why? 2. The SUSY Les Houches Accord. 3. (Examples.) 4. Concluding Remarks. SLHA meets SPA, P . Skands – p.11/15
3. Examples # SUSY Les Houches Accord 1.0 # Example input file - Snowmass point 1a Block MODSEL # Model selection 1 1 # SUGRA model Block SMINPUTS # SM parameters 5 4.25 # mb(mb) 6 173.8 # t pole mass Block MINPAR # Model Parameters 1 100. # m0 2 250. # m12 3 10. # tanbeta 4 1. # sgnmu 5 -100. # A0 SLHA meets SPA, P . Skands – p.12/15
Recommend
More recommend
