Update of the search for charginos nearly mass-degenerate with the lightest neutralino

Επιστημονική δημοσίευση - Άρθρο Περιοδικού uoadl:3053648 37 Αναγνώσεις

Μονάδα:
Ερευνητικό υλικό ΕΚΠΑ
Τίτλος:
Update of the search for charginos nearly mass-degenerate with the
lightest neutralino
Γλώσσες Τεκμηρίου:
Αγγλικά
Περίληψη:
The data collected by DELPHI in 1998 at the centre-of-mass energy of 189
GeV have been used to update the search for charginos nearly
mass-degenerate with the lightest supersymmetric particle, which is
assumed to be the lightest neutralino. Mass differences below Delta M =
3 GeV/c(2) are considered. No excess of events with respect to the
Standard Model expectation has been observed, and exclusions in the
plane of Delta M versus chargino mass are given. The new Delta M
independent lower limit on the mass of the chargino is 62.4 GeV/c(2) in
the higgsino scenario (which includes the gaugino mass unification
scenario), if all sfermions are heavier than the lightest chargino. In
the approximation of large sfermion masses the limit is 59.8 GeV/c(2),
independently of the field content. (C) 2000 Published by Elsevier
Science B.V.
Έτος δημοσίευσης:
2000
Συγγραφείς:
Abreu, P
Adam, W
Adye, T
Adzic, P
Ajinenko, I and
Albrecht, Z
Alderweireld, T
Alekseev, GD
Alemany, R and
Allmendinger, T
Allport, PP
Almehed, S
Amaldi, U and
Amapane, N
Amato, S
Anassontzis, EG
Andersson, P and
Andreazza, A
Andringa, S
Antilogus, P
Apel, WD
Arnoud, Y
and Asman, B
Augustin, JE
Augustinus, A
Baillon, P and
Ballestrero, A
Bambade, P
Barao, F
Barbiellini, G and
Barbier, R
Bardin, DY
Barker, G
Baroncelli, A
Battaglia,
M
Baubillier, M
Becks, KH
Begalli, M
Behrmann, A and
Beilliere, P
Belokopytov, Y
Benekos, NC
Benvenuti, AC and
Berat, C
Berggren, M
Bertrand, D
Besancon, M
Bigi, M and
Bilenky, MS
Bizouard, MA
Bloch, D
Blom, HM
Bonesini, M
and Boonekamp, M
Booth, PSL
Borgland, AW
Borisov, G and
Bosio, C
Botner, O
Boudinov, E
Bouquet, B
Bourdarios, C
and Bowcock, TJV
Boyko, I
Bozovic, I
Bozzo, M
Bracko, M
and Branchini, P
Brenner, RA
Bruckman, P
Brunet, JM and
Bugge, L
Buran, T
Buschbeck, B
Buschmann, P
Cabrera, S
and Caccia, M
Calvi, M
Camporesi, T
Canale, V
Carena, F
and Carroll, L
Caso, C
Gimenez, MVC
Cattai, A
Cavallo,
FR
Chabaud, V
Charpentier, P
Checchia, P
Chelkov, GA and
Chierici, R
Chliapnikov, P
Chochula, P
Chorowicz, V and
Chudoba, J
Cieslik, K
Collins, P
Contri, R
Cortina, E
and Cosme, G
Cossutti, F
Crawley, HB
Crennell, D
Crepe,
S
Crosetti, G
Maestro, JC
Czellar, S
Davenport, M
Da
Silva, W
Della Ricca, G
Delpierre, P
Demaria, N
De
Angelis, A
De Boer, W
De Clercq, C
De Lotto, B
De Min, A
and De Paula, L
Dijkstra, H
Di Ciaccio, L
Dolbeau, J and
Doroba, K
Dracos, M
Drees, J
Dris, M
Duperrin, A and
Durand, JD
Eigen, G
Ekelof, T
Ekspong, G
Ellert, M and
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Engel, JP
Santo, ME
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and Frodesen, AG
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Gandelman, M
Garcia, C
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Gavillet, P
Gazis,
EN
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and Hallgren, A
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F
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Holmgren, SO and
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and Jalocha, P
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and Jean-Marie, B
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Khokhlov, Y
Khomenko, BA and
Khovanski, NN
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King, B
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Kjaer, NJ
and Klapp, O
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and Leitner, R
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Libby, J
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and Lippi, I
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and Lopez-Fernandez, R
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Malmgren, TGM
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and Marechal, B
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A
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T
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K
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N
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M
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and Seibert, N
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Siebel, M
Simard,
L
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Smadja, G
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Smirnova, O
Smith, GR
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Sopczak, A
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and Spassov, T
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LG
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V
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and Wahlen, H
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Wicke, D
and Wickens, JH
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Winter, M
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Wolf, G
and Yi, J
Yushchenko, O
Zalewska, A
Zalewski, P and
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Zimin, NI
Zintchenko, A and
Zoller, P
Zucchelli, GC
Zumerle, G
DELPHI Collaboration
Περιοδικό:
PHYSICS LETTERS B
Εκδότης:
ELSEVIER SCIENCE BV
Τόμος:
485
Αριθμός / τεύχος:
1-3
Σελίδες:
95-106
Επίσημο URL (Εκδότης):
DOI:
10.1016/S0370-2693(00)00693-6
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