1. BlackMax, a new BH generator arXiv:0711
BlackMax, a new BH generator arXiv: [hep-ph], Physical Review D (Vol.77, No.7)
Dechang Dai, Glenn Starkman, Dejan Stojkovic,
Cigdem Issever, Eram Rizvi, Jeff Tseng
ATLAS UK SUSY/Exotics Meeting

2. C. Issever, University of Oxford
Motivation
Generator to study theoretical uncertainties
Extra dimension models
Black hole production
Black hole evaporation
C. Issever, University of Oxford

3. C. Issever, University of Oxford
What does it provide
three extra dimension models
tensionless branes
allows branes with positive tension
brane splitting
BH scenarios
simulates rotating BH
color and electric charge are taken into account
bulk recoil
where grey body factors available  graviton emission
simulates Planckian BHs  two body final states
user can change parameters which a based on assumptions to study uncertainties
C. Issever, University of Oxford

4. Simulated scenarios in BlackMax
Non-rotating BHs
on a tensionless brane with bulk graviton emission
on a tensionless brane with fermion brane splitting
on a non-zero tension brane, with bulk gravitons, d = 5
Rotating BH on a tensionless brane, no bulk gravitons
Two-particle final states
C. Issever, University of Oxford

5. C. Issever, University of Oxford
Black Hole Production
Non-linear formation
Before settling to a stationary phase assume some fraction of energy, linear and angular momentum
These fractions can be set by user
Yoshino suppression factors will be included in the next release.
quark Rs
C. Issever, University of Oxford

6. Black Hole Evaporation
balding
spin - down
final
burst
schwarzschild
H: L ~ 5:1
N. Brett
C. Issever, University of Oxford

7. C. Issever, University of Oxford
Black Hole Evolution
User can choose electric and color charge suppression
Angular momentum suppression can be set by user
Once BH reaches Planck Mass  Final Burst
Produce a set of SM particles which conserve energy, charges and angular momentum.
BlackMax is conserving baryon numbers, but violating flavour and lepton numbers
Future: will make B,L and flavour violation optional for non-split fermion scenarios
C. Issever, University of Oxford

8. BH Cross Section on brane with tensionf
B is inverse proportional to tension of the brane
B ~ 1/f
C. Issever, University of Oxford

9. BHs in Split Fermion Scenario
In split fermion mode|l:
Final state of black hole events at the LHC will be mainly jets.
C. Issever, University of Oxford

10. BH cross section in split fermion scenario
C. Issever, University of Oxford

11. Cross Section for Two-Body Final State
C. Issever, University of Oxford

12. Feedback from Community
Very important
We try to incorporate user’s needs as quickly as possible
e.g:
Baryon, Lepton numbers and flauvor conservation
We will make it optional for the next release
Choose different Planck scale definitions (next release)
C. Issever, University of Oxford

13. C. Issever, University of Oxford
Summary
BlackMax includes a comprehensive ranges of current models and BH scenarios
Enables study of theoretical uncertainties
Has bulk graviton emission where grey body factors are available
Is currently being interfaced into ATHENA
Next Release (May/June 08)
Graviton emission in final state burst
Baryon, Lepton and flavour number conservation option to choose for user in non-split brane models
Yoshiro&Rhykov factors will be included
Different definition of Planck Scales
Bug fixes (thanks to Michiru Kaneda)
C. Issever, University of Oxford

14. C. Issever, University of Oxford
Backup Slides
C. Issever, University of Oxford

15. Comparison with Charybdis
Michiru Kaneda
C. Issever, University of Oxford

16. Comparisons with Charybdis
Michiru Kaneda
C. Issever, University of Oxford

17. Comparisons with Charybdis
Michiru Kaneda
C. Issever, University of Oxford

18. Used Planck Scale Definition
Definition in PDG
d = total number of space dimensions
Gd higher dimensional gravitational constant
C. Issever, University of Oxford

19. BH cross section on tensionless brane
C. Issever, University of Oxford