RDMS CMS Task Force
 
 
"Development of software and simulation of physics processes with emphasis to endcap and forward region"
Work plan for 1999                        DRAFT - 2 22.03.99

Task 1. Development of software for detailed simulation of CMS detector
(contact - A.Nikitenko)


      1.1. Implementation of EE-HE interface S.Bityukov 04.99
                                            HE segmentation A.Nikitenko 04.99

      1.2. Permanent support of the engineering design in CMSIM

                 1.2.1.                       EE                             S.Bityukov
                 1.2.2.                       HE                             S.Sushkov
                                                                                   N.Chekhlova
                                                                                    I.Emeliyanchik
                 1.2.3.                       HF                             D.Litvintsev

     1.3. CMSIM tuning based on beam-test data analysis

                 1.3.1.                       EE                              D.Patalakha,
                                                                                     S.Bityukov
                 1.3.2.                       HE                              N.Skachkov,
                                                                                     V.Konoplyanikov,
                                                                                     S.Shulga
                 1.3.3.                       HF                               V.Kolossov,
                                                                                     D.Litvintsev
                 1.3.4                       ME                               V.Palichik,
                                                                                      P.Moissenz

     1.4. Look at possibility of modeling of radiation B damage effects in EE, HE, HF.
 

Task 2. Simulation of physics processes


     2.1. pp interactions (contact - V.Gavrilov)

              2.1.1. Standard Model Higgs production due to IVB fusion

                         2.1.1.1. H -> ZZ -> l+l+nu+nu
                         2.1.1.2. H -> ZZ -> l+l+q+q
                         2.1.1.3. H -> WW -> l+nu+q+q
                         2.1.1.4. H -> gamma+gamma
                         2.1.1.5. H -> tau+tau

             2.1.2. SUSY Higgs production

                        2.1.2.1. A/h -> tau+tau -> l+nu+hadrons+nu
                        2.1.2.2. H -> h+h

            2.1.3. Processes with t-quark production

                        2.1.3.1. Single top quark production in SM, E.Boos (former subtask 2.1.3.)
                        2.1.3.2. Top quark production beyond SM

            2.1.4. Pair production of SUSY partners

            2.1.5. Stop production in MSSM and SUGRA

                       2.1.5.1. gg,qqbar -> stop stopbar->
                                                   -> 1isol.mu + jets + bjets + ET_miss
                       2.1.5.2. gg,qqbar -> gluino gluino ->stop stopbar ttbar->
                                                   -> 4mu + bjets + ET_miss.

          2.1.6. Application of SM processes for determination of quark and gluon componets of
                    proton structure function in new x- and Q**2-regions

                     2.1.6.1. "gamma-direct + 1jet" and "Z(->mumu) + 1jet"
                                  events and determination of gluon distribution

                     2.1.6.2 Charm/beauty/top production for determination of heavy quark
                                 components of proton structure function in new x- and Q**2-regions.

          2.1.7. One-loop Radiative Corrections

     2.2. AA interations (contact - L.Sarycheva)

          2.2.1. High-mass dimuons production at |eta| < 2.4,
                    AA -> b+bbar -> B+Bbar -> mu+mu-
                     including energy losses of b-quarks in quark-gluon plasma

          2.2.2. Photon + jet

          2.2.3. Fluctuations of charge-to-neutral energy flow
                    at 3 < |eta| < 5 (search for fireball "Centauro" type events)

          2.2.4. Gap edge finding

          2.2.5. Nuclear shadowing in global energy flow

          2.2.6. Hard diffractive processes

          2.2.7. Nuclear shadowing in high p_t muons production

          2.2.8. Charm/beauty/top production in AA-collisions and the
                   determination of gluon and heavy quark distributions in nucleus.

          2.2.9. Quark and gluon jets
 
 
 
N Role for endcap/
forward region
Participants Simpl. CMS 
simulation
CMS TN  CMSIM 
simulation
2.1.1.1. Et miss, tag. jets L.Levchuk 11.99  12.99
2.1.1.2. Tag. jets  A.Krokhotine 03.99 04.99 12.99
2.1.1.3. Tag. jets, Et miss A.Krokhotine 06.99 07.99
2.1.1.4. Tag. jets M.Dubinin
V.Ilyin 
06.99  08.99  11.99 
2.1.2.1. Et miss, eta=3 mat S.Ouzunian 03.99 04.99
2.1.1.5. H -> tau+tau A.Nikitenko 12.99 10.99
2.1.2.2. Tag. jets M.Dubinin 06.99 08.99  12.99
2.1.3. Tag. jets E.Boos  07.99  08.99  12.99
2.1.3.2. Top quark production beyond SM S.Slabospitsky 10.99 12.99
2.1.4. Et miss. jet veto  N.Krasnikov
S.Bityukov
06.99  08.99  12.99
2.1.5. Et miss. Tag. mu,
jets and b-jets
N.Skachkov 08.99  12.99
2.1.6.1. Tag. gamma-direct,
muons and jets
N.Skachkov
V.Konoplyanikov
11.99 11.99
2.1.6.2. D.Bandurin 12.99 12.99
2.1.7. One-loop RC N.Shumeiko
I.Akushevich
A.Ilyic
V.Mossolov
11.99 11.99
2.2.1. High-mass dimuons  I.Lokhtin
A.Snigirev
S.Petrouchanko
06.99 09.99 12.99
2.2.2. photon+jet A.Nikitenko
O.Kodolova
I.Vardonian
I.Lokhtin
08.99 10.99 12.99
2.2.3. E global, eta>3 I.Lokhtin 
S.Petrouchanko 
L.Sarycheva
08.99 09.99 12.99
2.2.4. Gap edge finding S.Chatrchyan 08.99 10.99 12.99
2.2.5. Parton shadowing
in E global,
eta > 1.5
S.Shmatov 04.99 10.99 12.99
2.2.6. Hard diffractive 
processes
I.Akushevich 
V.Mossolov
11.99 11.99 12.99
2.2.7. Global flow of
hard muons
M. Savina 06.99 10.99 12.99
2.2.8. c/b/t production N.Skachkov
V.Konoplyanikov
11.99 12.99 12.99
2.2.9 Quark and gluon
jets 
I.Vardonian
I.Lokhtin
L.Sarycheva
09.99 12.99 12.99

 

Task 3. Trigger simulations

          3.1.   Muon                                 V.Palichik,
                                                              P.Moissenz

Task 4. Simulations of calibrations (contact - M.Kirsanov)

          4.1. HE "in situ" calibration with SM processes

                   4.1.1. pp -> gamma-direct + 1jet + X
                   4.1.2. pp -> Z(->mumu) + 1jet + X

          4.2. HE/HF "in situ" calibration using E_t balance for "gamma + jet(s)" events
 
 
N Role for endcap/
forward region
Participants Simpl. CMS 
simulation
CMS TN CMSIM
simulation
4.1.1. HE Calibration
Tag. gamma-dir
and jets
N.Skachkov
V.Konoplyanikov
06.99 09.99 11.99
4.1.2. HE Calibration
Tag. muons and
jets
N.Skachkov
D.Bandurin
08.99 11.99 12.99
4.2. HE/HF calibration E.Doroshkevich ? 12.99

Task 5. Event generators (contact - V.Ilyin)

     5.1. Tools for generation of samples of partonic events and their subsequent
            hadronization and decays.
           CompHEP-PYTHIA interface. E.Boos, L.Dudko, V.Ilyin, A.Pukhov,
           A.Skachkova, A.Sherstnev.

Working plan:
1) Installation in CERN, ITEP and INP MSU                     03.99
2) CMS TN (user's guide)                                                   04.99
3) Cross check with other generators, VECBOS,              05.99 - 12.99
     HERWIG, ISAJET (with CMS TN's)

     5.2. Tools for the processes fast MC simulation.
            CompHEP-PYTHIA-CMSJET complex. S.Abdullin, V.Ilyin, A.Skachkova.

Working plan:
1) Prototype based on the CMS                                          03.99 - 04.99
    software in ITEP and INP MSU clusters
2) Installation in CMS cluster                                             05.99 - 06.99
3) CMS TN                                                                           08.99

     5.3. Tools for the processes complete simulation.
            CompHEP-PYTHIA-CMSsim complex. S.Abdullin, M.Dubinin, V.Ilyin,
           A.Kryukov, O.Kodolova, A.Skachkova.

Working plan:
1) Prototype based on CMS                                                05.99 - 06.99
    software in ITEP and INP MSU clusters
2) Installation in CMS cluste r                                           08.99 - 09.99
3) CMS TN                                                                          11.99 - 12.99

     5.4. Tools for data base of event generators/samples for LHC processes.
            V.Bunichev, V.Ilyin, A.Pukhov, A.Kryukov, A.Skachkova

Working plan:
1) Prototype based on CompHEP-PYTHIA interface     05.99 - 06.99
2) Installation in CMS cluster                                            06.99 - 07.99
3) CMS TN                                                                          09.99

     5.5 Fullfilling the database of events generators/samples for LHC processes.
           CompHEP as generator of generators.
           E.Boos, V.Bunichev, M.Dubinin, L.Didko, V.Ilyin,
           A.Pukhov, A.Kryukov, A.Skachkova, A.Sherstnev

CMS Notes are assumed upon fullfilling the database.

Task 6. Development of reconstruction SW (contact - O.Kodolova)

                                                                       

      6.1. Installation and support of new event generators, ORCA
             and CMSIM (115, 116,..) on the local RDMS computers

      6.2. Installation of Objectivity DB (v.5) on the local RDMS computers

      6.3. Installation of GEANT4 on the local RDMS computers

      6.4. Start to transfere simulation and reconstruction SW to 00

      6.5. Integration of new event generator(s) and fast simulation packages
            to the standart CMS software.

               6.5.1. Integration of CMSJET to ORCA
               6.5.2. Integration of COMPHEP to CMSIM and CMSJET

     6.6. Development of reconstruction algo

              6.6.1. Global Track Finder for Linux
              6.6.2. Connecting Machine algo + artificial intellect algo
              6.6.3. Jets in endcap and forward region in pp collisions
              6.6.4. Jets in AA collisions
              6.6.5. Dimuons from Upsilon, J/psi in AA collisions
              6.6.6. Muons from b-decay in AA collisions
              6.6.7. Reco of "gamma-direct + 1jet events"
              6.6.8. Reco of "Z(->mumu) +1jet events"
              6.6.9. Reco of muons in endcap muon system
 

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       N            Inst.           Participants          Tentative
                                                          schedule
-------------------------------------------------------------------------------- 
      6.1.          ITEP           V.Kolossov             03.99
                    NPI MSU        O.Kodolova,            03.99
                                   N.Kruglov  
                    JINR           N.Skachkov
                                   E.Nikonov
                                   E.Tikhonenko

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      6.2.          ITEP           V.Kolosov              06.99
                    NPI MSU        O.Kodolova,            06.99
                                   N.Kruglov
                    JINR           E.Nikonov

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      6.3.          ITEP           V.Kolosov              12.99
                    NPI MSU        O.Kodolova,            12.99
                                   N.Kruglov
                    JINR           E.Nikonov

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      6.4.          ITEP           V.Kolosov              on coming
                    NPI MSU        O.Kodolova,            on coming
                                   N.Kruglov
                    JINR           E.Nikonov              on coming  

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      6.5.1.        CERN           A.Khanov               06.99
                    Srasbourg      S.Abdullin
      6.5.2.        NPI MSU        V.Ilyin                06.99
                    NPI MSU        O.Kodolova

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      6.6.1.        ITEP           A.Khanov               perm.
      6.6.2.        ITEP           N.Stepanov             perm.
      6.6.3.        ITEP           A.Krohitine            perm.
                    NCPHEP         V.Mossolov             perm.
                    NCPHEP         S.Sushkov
                    NCPHEP         P.Zarzhitsky
      6.6.4.        NPI MSU        O.Kodolova             perm.
                    NPI MSU        I.Vardonian            perm.   
      6.6.5.        NPI MSU        O.Kodolova             perm.
      6.6.6.        NPI MSU        S.Petrouchanko         perm.
      6.6.7.        JINR           N.Skachkov             perm.
                    JINR           V.Konoplyanikov        perm.
      6.6.8.        JINR           N.Skachkov             perm.
                    JINR           D.Bandurin             perm.
      6.6.9         JINR           V.Palichik             perm.

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