LEPC 11-November-1997 (preliminary)

• slepton exclusion limits in the MSSM (selectrons, smuons, and staus)
• slepton exclusion limits in models with gauge-mediated symmetry breaking
• limits on generic squarks compared to CDF and D0
• excluded regions in the (mu,M2) plane for tan(beta)=sqrt(2) assuming RPC
• limits on the chargino mass versus mu and M2, from chargino and neutralino searches
• limit on Mchi vs tan(beta)
• excluded regions in the (mu,M2) plane in three R-parity violating scenarios
• limits on sleptons with R-parity violating decays
• photons: upper limits on chi1chi2 and chi2chi2 production

R-parity Violation : LLE
final: CERN-PPE/97-xxx
(Preliminary results were sent to EPS97 (Jerusalem) Ref. 621 )

• excluded region in the (mu,M2) plane for tan(beta)=sqrt(2) and m0=500
• upper limit on cross section vs M2 for fixed mu=-200 , m0=20, and tan(beta)=sqrt(2)
• Mcha vs tan(beta) in the direct and indirect RPV scenarios
• Mchi vs tan(beta) in the direct and indirect RPV scenarios
• close-up view of the (mu,M2) plane for tan(beta)=sqrt(2) and m0=500
• excluded regions in the (Mslepton,Mchi) plane for tan(beta) = sqrt(2)
• excluded regions in the (Msneutrino,Mchi) plane for tan(beta) = sqrt(2)
• excluded regions in the (Msquark,Mchi) plane (indirect case)

Neutralino Mass (preliminary)
These preliminary results were sent to EPS97 (Jerusalem) Ref. 594

• Mchi vs tan(beta) for Msnu > 200 GeV
• Mchi vs tan(beta) for various m0, and a limit valid for any m0
• Mchi vs m0 valid for any tan(beta)
• Higgs constraints in the (M2,m0) plane for fixed values of tan(beta)
• Higgs constraints in the (tan(beta),M2) plane for fixed values of m0

Charginos & Neutralinos
final: CERN-PPE/97-128 hep-ex/9710012
(Preliminary results were sent to EPS97 (Jerusalem) (Ref 614).)

• Fig 1: event distributions
• PT/Evis for 4J-VH
• Ewedge/sqrt(s) for 4J-H
• Elepton for 2JL-L
• Mvis for AJ-H
• Fig 2: chargino efficiency as a function of delta-M and BR(lepton)
• Fig 3: neutralino efficiency as a function of delta-M
• Fig 4: upper limit on the chargino cross section in the (Mcha,Mchi) plane (W* BR's)
• Fig 5: upper limit on the neutralino cross section in the (Mchi2,Mchi) plane
• Fig 6: (mu,M2) plane for tan(beta) = sqrt(2) and tan(beta) = 35 for m0=200
• Fig 7: Mcha vs M2 from higgsino-like charginos, neutralinos, and combined.
• Fig 8: limit on gaugino-line charginos
• a) Mcha vs mu
• b) closeup of (mu,M2) plane (mixed field content)
• Fig 9: Mcha vs Msnu assuming universal slepton masses. Limit from selectrons and smuons.
• Fig 10: Mcha vs Msnu for three values of Atau, and for maximal impact of stau mixing.
• Fig 11: Mcha vs Mstau for maximal impact of stau mixing and light sneutrinos
• Fig 12: relaxing gaugino mass unification
• Mcha vs delta-M
• excluded regions in the (Mcha,Mchi) plane

Photons (+ missing energy)
final: CERN-PPE/97-122 hep-ex/9710009
(Preliminary results were sent to EPS97 (Jerusalem) (Ref 620).)

• Fig 1: kinematic properties of single photon events
• Fig 2: upper limit on the cross section for single photons vs Mchi1
• Fig 3: upper limit on the cross section for acoplanar photons vs Mchi1
• Fig 4: exclusion in the (sqrt(F),Mchi1) plane
• Fig 5: exclusion in the (MselR,Mchi1) plane for chi1 -> gravitino + gamma
• Fig 6: upper limit on the cross neutralino production assuming Chi2->chi1+gamma
• Fig 7: exclusion in the (MselR,Mchi2) plane for chi2 -> chi1+gamma

Stops & Sbottoms
final: CERN-PPE/97-084 hep-ex/9708013

• excluded regions in the (Mstop,Mchi) plane for the c+chi channel
• excluded regions in the (theta,Mstop) plane for the c+chi channel
• stop limit as a function of delta-M for the c+chi channel
• excluded regions in the (Mstop,Msnu) plane for the b+l+snu channel
• excluded regions in the (theta,Mstop) plane for the b+l+snu channel
• stop limit as a function of delta-M for the b+l+snu channel
• stop limit as a function of delta-M for the b+l+snu channel for taus
• excluded regions in the (Msbottom,Mchi) plane
• excluded regions in the (theta,Msbottom) plane
• sbottom limit as a function of delta-M

Sleptons
final: CERN-PPE/97-056 hep-ex/9706006

• excluded regions in four (Mslep,Mchi) planes (also: ready-made transparency )
• excluded region in the (m0,M2) plane (also: ready-made transparency )

Stable Charged Particles
final: CERN-PPE/97-041 hep-ex/9706013

• upper limit on stau (smuon) cross section
• upper limit on chargino cross section
• contours in the (Mstau,sqrt(F)) plane

R-parity Violation : LQD (preliminary)
These preliminary results were sent to EPS97 (Jerusalem) Ref. 621

• excluded region in the (mu,M2) plane for tan(beta) = sqrt(2) and m0=500
• excluded region in the (mu,M2) plane for tan(beta)=35 and m0 = 500
• di-jet mass distribution fitted with 5C constraint
• upper limit on cross section for smuons, selectrons, and sneutrinos
• excluded region in (mu,M2) (mu,M2) plane for the HERA solution
• upper limit on cross section vs M1 constraining one RPV speculation on the ALEPH four-jet anomaly.

R-parity Violation : UDD

neutralino mass
published: Zeitschrift fuer Physik C72 (1996) 549-559

• Fig 1: details in the (mu,M2) plane
• Fig 2: close-up of (mu,M2) plane for m0 = 200
• Fig 3: Mchi vs tan(beta) for Msnu = 200.
• Fig 4: close-up of (mu,M2) plane for tan(beta) = 1.01
• Fig 5: close-up of (mu,M2) plane for m0 = 68
• Fig 6: close-up of (mu,M2) plane for m0 = 56
• Fig 7: Mcha vs Msnu showing the "corridor" where Msnu = Mcha
• Fig 8: excluded region in the (m_1/2,m_0) plane for various tan(beta)
• Fig 9: Mchi vs m0 for various tan(beta)
• Fig 10: triangular region in (mu,m0) plane where a Mchi=0 is allowed
• Fig 11: Mchi vs tan(beta) for negative mu for various m0
• Fig 12: Mchi vs tan(ebta) for positive mu for various m0
• Fig 13: SUGRA excluded regions in (m0,m12) plane
• Fig 14: Mchi vs tan(beta) assuming SUGRA
• Fig 15: excluded region in (m0,m12) plane independent of tan(beta)

RPV searches for charginos and neutralnos
published: Physics Letters B384 (1996) 461.

SUSY searches
published: Physics Letters B373 (1996) 246-260.

• Fig 3: upper limit on chargino cross section
• Fig 4: upper limit on neutralino cross section
• Fig 5: exclusion in the (mu,M2) plane for two values of tan(beta)
• Fig 6: Mcha vs mu and Msnu
• Fig 7: Mcha vs M2

M.Schmitt