Search for sleptons in e+e- collisions at √s = 183 to 189 GeV

Abreu P.; Adam W.; Adye T.; Adzic P.; Ajinenko I.; Albrecht Z.; Alderweireld T.; Alekseev G.D.; Alemany R.; Allmendinger T.; Allport P.P.; Almehed S.; Amaldi U.; Amapane N.; Amato S.; Anassontzis E.G.; Andersson P.; Andreazza A.; Andringa S.; Anjos N.; Antilogus P.; Apel W.D.; Arnoud Y.; Åsman B.; Augustin J.E.; Augustinus A.; Baillon P.; Ballestrero A.; Bambade P.; Barao F.; Barbiellini G.; Barbier R.; Bardin D.Y.; Barker G.; Baroncelli A.; Battaglia M.; Baubillier M.; Becks K.H.; Begalli M.; Behrmann A.; Belokopytov Y.; Benekos N.C.; Benvenuti A.C.; Berat C.; Berggren M.; Berntzon L.; Bertrand D.; Besancon M.; Besson N.; Bilenky M.S.; Bizouard M.A.; Bloch D.; Blom H.M.; Bol L.; Bonesini M.; Boonekamp M.; Booth P.S.L.; Borisov G.; Bosio C.; Botner O.; Boudinov E.; Bouquet B.; Bourdarios C.; Bowcock T.J.V.; Boyko I.; Bozovic I.; Bozzo M.; Bracko M.; Branchini P.; Brenner R.A.; Bruckman P.; Brunet J.M.; Bugge L.; Buschmann P.; Caccia M.; Calvi M.; Camporesi T.; Canale V.; Carena F.; Carroll L.; Caso C.; Castillo Gimenez M.V.; Cattai A.; Cavallo F.R.; Charpentier P.; Checchia P.; Chelkov G.A.; Chierici R.; Chliapnikov P.; Chochula P.; Chorowicz V.; Chudoba J.; Cieslik K.; Collins P.; Contri R.; Cortina E.; Cosme G.; Cossutti F.; Costa M.; Crawley H.B.

Title

Date Issued

01 January 2001

Access level

open access

Resource Type

research article

Author(s)

Abreu P.

Adam W.

Adye T.

Adzic P.

Ajinenko I.

Albrecht Z.

Alderweireld T.

Alekseev G.D.

Alemany R.

Allmendinger T.

Allport P.P.

Almehed S.

Amaldi U.

Amapane N.

Amato S.

Anassontzis E.G.

Andersson P.

Andreazza A.

Andringa S.

Anjos N.

Antilogus P.

Apel W.D.

Arnoud Y.

Åsman B.

Augustin J.E.

Augustinus A.

Baillon P.

Ballestrero A.

Bambade P.

Barao F.

Barbiellini G.

Barbier R.

Bardin D.Y.

Barker G.

Baroncelli A.

Battaglia M.

Baubillier M.

Becks K.H.

Begalli M.

Behrmann A.

Belokopytov Y.

Benekos N.C.

Benvenuti A.C.

Berat C.

Berggren M.

Berntzon L.

Bertrand D.

Besancon M.

Besson N.

Bilenky M.S.

Bizouard M.A.

Bloch D.

Blom H.M.

Bol L.

Bonesini M.

Boonekamp M.

Booth P.S.L.

Borisov G.

Bosio C.

Botner O.

Boudinov E.

Bouquet B.

Bourdarios C.

Bowcock T.J.V.

Boyko I.

Bozovic I.

Bozzo M.

Bracko M.

Branchini P.

Brenner R.A.

Bruckman P.

Brunet J.M.

Bugge L.

Buschmann P.

Caccia M.

Calvi M.

Camporesi T.

Canale V.

Carena F.

Carroll L.

Caso C.

Castillo Gimenez M.V.

Cattai A.

Cavallo F.R.

Charpentier P.

Checchia P.

Chelkov G.A.

Chierici R.

Chliapnikov P.

Chochula P.

Chorowicz V.

Chudoba J.

Cieslik K.

Collins P.

Contri R.

Cortina E.

Cosme G.

Cossutti F.

Costa M.

Crawley H.B.

Abstract

Data taken by the DELPHI experiment at centre-of-mass energies of 183 GeV and 189 GeV with a total integrated luminosity of 212 pb-1 have been used to search for the supersymmetric partners of the electrons, muons, and taus in the context of the Minimal Supersymmetric Standard Model (MSSM). The decay topologies searched for were the direct decay (ℓ̃ → ℓx̃), producing acoplanar lepton pairs plus missing energy, and the cascade decay (ℓ → ℓx̃02 → ℓγx̃01), producing acoplanar lepton and photon pairs plus missing energy. The observed number of events is in agreement with Standard Model predictions. The 95% CL excluded mass limits for selectrons, smuons and staus are mẽ ≤ 87 GeV/c2, mμ̃ ≤ 80 GeV/c2 and mτ̃ 75 GeV/c2, respectively, for values of μ=-200 GeV/c2 and tanβ=1.5.

Start page

29

End page

42

Volume

19

Issue

1

Language

English

OCDE Knowledge area

Física de partículas, Campos de la Física

Subjects

DOI

10.1007/s100520100595

Scopus EID

2-s2.0-0012921516

Source

European Physical Journal C

ISSN of the container

14346044

Sources of information: Directorio de Producción Científica Scopus

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