Search for stable heavy charged particles in e(+)e(-) collisions at root s=130-136, 161 and 172 GeV

被引：24

作者：

Abreu, P

Adam, W

Adye, T

Ajinenko, I

Alekseev, GD

Alemany, R

Allport, PP

Almehed, S

Amaldi, U

Amato, S

Andreazza, A

Andrieux, ML

Antilogus, P

Apel, WD

Asman, B

Augustin, JE

Augustinus, A

Baillon, P

Bambade, P

Barao, F

Barbi, M

Barbiellini, G

Bardin, DY

Barker, G

Baroncelli, A

Barring, O

Barrio, JA

Bartl, W

Bates, MJ

Battaglia, M

Baubillier, M

Baudot, J

Becks, KH

Begalli, M

Beilliere, P

Belokopytov, Y

Belous, K

Benvenuti, AC

Berggren, M

Bertini, D

Bertrand, D

Besancon, M

Bianchi, F

Bigi, M

Bilenky, MS

Billoir, P

Bizouard, MA

Bloch, D

Blume, M

Bolognese, T

机构：

[1] IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS & ASTRON,AMES,IA 50011

[2] UNIV INSTELLING ANTWERP,DEPT PHYS,B-2610 WILRIJK,BELGIUM

[3] FREE UNIV BRUSSELS,IIHE,B-1050 BRUSSELS,BELGIUM

[4] UNIV MONS,FAC SCI,B-7000 MONS,BELGIUM

[5] UNIV ATHENS,PHYS LAB,GR-10680 ATHENS,GREECE

[6] UNIV BERGEN,DEPT PHYS,N-5007 BERGEN,NORWAY

[7] UNIV BOLOGNA,DIPARTIMENTO FIS,I-40126 BOLOGNA,ITALY

[8] IST NAZL FIS NUCL,I-40126 BOLOGNA,ITALY

[9] CTR BRASILEIRO PESQUISAS FIS,BR-22290 RIO JANEIRO,BRAZIL

[10] PONTIFICIA UNIV CATOLICA RIO DE JANEIRO,DEPT FIS,BR-22453 RIO JANEIRO,BRAZIL

[11] UNIV ESTADUAL RIO DE JANEIRO,INST FIS,RIO JANEIRO,BRAZIL

[12] COMENIUS UNIV BRATISLAVA,FAC MATH & PHYS,SK-84215 BRATISLAVA,SLOVAKIA

[13] COLL FRANCE,IN2P3,PHYS CORPUSCULAIRE LAB,CNRS,F-75231 PARIS 05,FRANCE

[14] CERN,CH-1211 GENEVA 23,SWITZERLAND

[15] UNIV STRASBOURG 1,CTR RECH NUCL,CNRS,IN2P3,F-67037 STRASBOURG,FRANCE

[16] NCSR DEMOKRITOS,INST NUCL PHYS,GR-15310 ATHENS,GREECE

[17] ACAD SCI CZECH REPUBL,INST PHYS,FZU,DIV HIGH ENERGY PHYS,CZ-18040 PRAGUE 8,CZECH REPUBLIC

[18] UNIV GENOA,DIPARTIMENTO FIS,I-16146 GENOA,ITALY

[19] IST NAZL FIS NUCL,I-16146 GENOA,ITALY

[20] UNIV GRENOBLE 1,INST SCI NUCL,CNRS,IN2P3,F-38026 ST MARTIN DHER,FRANCE

[21] SEFT,RES INST HIGH ENERGY PHYS,FIN-00014 HELSINKI,FINLAND

[22] JOINT INST NUCL RES,DUBNA 101000,RUSSIA

[23] UNIV KARLSRUHE,INST EXPT KERNPHYS,D-76128 KARLSRUHE,GERMANY

[24] INST NUCL PHYS,PL-30055 KRAKOW,POLAND

[25] STANISLAW STASZIC UNIV MIN & MET,PL-30055 KRAKOW,POLAND

[26] UNIV PARIS 11,ACCELERATEUR LINEAIRE LAB,IN2P3,CNRS,F-91405 ORSAY,FRANCE

[27] UNIV LANCASTER,SCH PHYS & CHEM,LANCASTER LA1 4YB,ENGLAND

[28] UNIV LIVERPOOL,DEPT PHYS,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLAND

[29] UNIV PARIS 06,CNRS,IN2P3,LPNHE,F-75252 PARIS 05,FRANCE

[30] UNIV PARIS 07,CNRS,IN2P3,LPNHE,F-75252 PARIS 05,FRANCE

[31] LUND UNIV,DEPT PHYS,S-22363 LUND,SWEDEN

[32] UNIV LYON 1,IPNL,IN2P3,CNRS,F-69622 VILLEURBANNE,FRANCE

[33] UNIV COMPLUTENSE,E-28040 MADRID,SPAIN

[34] UNIV AIX MARSEILLE 2,CPP,IN2P3,CNRS,F-13288 MARSEILLE 09,FRANCE

[35] UNIV MILAN,DIPARTIMENTO FIS,I-20133 MILAN,ITALY

[36] IST NAZL FIS NUCL,I-20133 MILAN,ITALY

[37] NIELS BOHR INST,DK-2100 COPENHAGEN O,DENMARK

[38] CHARLES UNIV,NC,NUCL CTR,MFF,AREAL MFF,CR-18000 PRAGUE 8,CZECH REPUBLIC

[39] NIKHEF H,NL-1009 DB AMSTERDAM,NETHERLANDS

[40] NATL TECH UNIV ATHENS,DEPT PHYS,GR-15773 ATHENS,GREECE

[41] UNIV OSLO,DEPT PHYS,N-1000 OSLO 3,NORWAY

[42] UNIV OVIEDO,DEPT FIS,E-33007 OVIEDO,SPAIN

[43] UNIV OXFORD,DEPT PHYS,OXFORD OX1 3RH,ENGLAND

[44] UNIV PADUA,DIPARTIMENTO FIS,I-35131 PADUA,ITALY

[45] IST NAZL FIS NUCL,I-35131 PADUA,ITALY

[46] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND

[47] UNIV ROMA TOR VERGATA,DIPARTIMENTO FIS,I-00173 ROME,ITALY

[48] IST NAZL FIS NUCL,I-00173 ROME,ITALY

[49] CENS,CEA,DAPNIA,SERV PHYS PARTICULES,F-91191 GIF SUR YVETTE,FRANCE

[50] IST NAZL FIS NUCL,IST SUPER SANITA,I-00161 ROME,ITALY

来源：

PHYSICS LETTERS B | 1997年 / 396卷 / 1-4期

关键词：

D O I：

10.1016/S0370-2693(97)00152-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search for stable or long-lived heavy charged particles in e(+)e(-) interactions at energies of 130-136, 161 and 172 CeV has been performed using the data taken by the DELPHI experiment at LEP. The search is based on particle identification provided by the Time Projection Chamber and the Ring Imaging Cherenkov detector. Upper limits at 95% confidence level are derived on the cross-section for heavy long-lived pair-produced charge +/-e and +/-2/3e particles in the range of 0.4-2.3 pb for masses from 45 to 84 GeV/c(2). Within supersymmetric extensions of the Standard Model, long-lived charginos with masses from 45 to 84 (80) GeV/c(2) for high (low) sneutrino masses can be excluded at 95% confidence level. Left-handed (right-handed) long-lived or stable smuons and staus with masses between 45 and 68 (65) GeV/c(2) can be excluded at 95% confidence level. (C) 1997 Elsevier Science B.V.

引用

页码：315 / 326

页数：12

共 27 条

[1] Aarnio P, 1991, NUCL INSTRUM METH A, V303, P233
[2] A SEARCH FOR SLEPTONS AND GAUGINOS IN Z0 DECAYS
Abreu, P
Adam, W
Adami, F
Adye, T
Alexeev, GD
Allaby, JV
Allen, P
Almehed, S
Alted, F
Alvsvaag, SJ
Amaldi, U
Anassontzis, E
Apel, WD
Asman, B
Ferreres, CA
Augustin, JE
Augustinus, A
Baillon, P
Bambade, P
Barao, F
Barbiellini, G
Bardin, DY
Baroncelli, A
Barring, O
Bartl, W
Bates, MJ
Baubillier, M
Becks, KH
Beeston, CJ
Beilliere, P
Belokopytov, I
Beltran, P
Benedic, D
Benlloch, JM
Berggren, M
Bertrand, D
Biagi, S
Bianchi, F
Bibby, JH
Bilenky, MS
Billoir, P
Bjarne, J
Bloch, D
Bogolubov, PN
Bollini, D
Bolognese, T
Bonapart, M
Booth, PSL
Boratav, M
Borgeaud, P
[J]. PHYSICS LETTERS B, 1990, 247 (01) : 157 - 166
[3] Performance of the DELPHI detector
Abreu, P
Adam, W
Adye, T
Agasi, E
Ajinenko, I
Aleksan, R
Alekseev, GD
Alemany, R
Allport, PP
Almehed, S
Alvsvaag, SJ
Amaldi, U
Amato, S
Andreazza, A
Andrieux, ML
Antilogus, P
Apel, WD
Arnoud, Y
Asman, B
Augustin, JE
Augustinus, A
Baillon, P
Bambade, P
Barao, F
Barate, R
Barbiellini, G
Bardin, DY
Baroncelli, A
Barring, O
Barrio, JA
Bartl, W
Bates, MJ
Battaglia, M
Baubillier, M
Baudot, J
Becks, KH
Begalli, M
Beilliere, P
Belokopytov, Y
Benvenuti, AC
Berggren, M
Bertrand, D
Bianchi, F
Bigi, M
Bilenky, MS
Billoir, P
Bloch, D
Blume, M
Blyth, S
Bolognese, T
[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1996, 378 (1-2) : 57 - 100
[4] Search for the lightest chargino at root s=130 and 136 GeV
Abreu, P
Adam, W
Adye, T
Agasi, E
Ajinenko, I
Aleksan, R
Alekseev, GD
Alemany, R
Allport, PP
Almehed, S
Amaldi, U
Amato, S
Andreazza, A
Andrieux, ML
Antilogus, P
Apel, WD
Arnoud, Y
Asman, B
Augustin, JE
Augustinus, A
Baillon, P
Bambade, P
Barao, F
Barate, R
Barbi, M
Bardin, DY
Baroncelli, A
Barring, O
Barrio, JA
Bartl, W
Bates, MJ
Battaglia, M
Baubillier, M
Baudot, J
Becks, KH
Begalli, M
Beilliere, P
Belokopytov, Y
Belous, K
Benvenuti, AC
Berggren, M
Bertini, D
Bertrand, D
Bianchi, F
Bigi, M
Bilenky, MS
Billoir, P
Bloch, D
Blume, M
Bolognese, T
[J]. PHYSICS LETTERS B, 1996, 382 (03) : 323 - 336
[5] ABREU P, IN PRESS ZEIT PHYS C
[6] ABREU P, CERNPPE90167
[7] ADAM W, 1994, NUCL INSTRUM METH A, V343, P1
[8] ADAM W, 1994, NUCL INSTRUM METH A, V343, P240
[9] IS THE CHANNEL H-]B(B)OVER-BAR OBSERVABLE AT LHC
FROIDEVAUX, D
RICHTERWAS, E
[J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1995, 67 (02): : 213 - 225
[10] Search for chargino and neutralino production using the OPAL detector at root s=130-136GeV at LEP
Alexander, G
Allison, J
Altekamp, N
Ametewee, K
Anderson, KJ
Anderson, S
Arcelli, S
Asai, S
Axen, D
Azuelos, G
Ball, AH
Barberio, E
Barlow, RJ
Bartoldus, R
Batley, JR
Beaudoin, G
Bechtluft, J
Beeston, C
Behnke, T
Bell, AN
Bell, KW
Bella, G
Bentvelsen, S
Berlich, P
Bethke, S
Biebel, O
Blobel, V
Bloodworth, IJ
Bloomer, JE
Bock, P
Bosch, HM
Boutemeur, M
Bouwens, BT
Braibant, S
Brown, RM
Burckhart, HJ
Burgard, C
Burgin, R
Capiluppi, P
Carnegie, RK
Carter, AA
Carter, JR
Chang, CY
Charlesworth, C
Charlton, DG
Chrisman, D
Chu, SL
Clarke, PEL
Cohen, I
Conboy, JE
[J]. PHYSICS LETTERS B, 1996, 377 (1-3) : 181 - 194

← 1 2 3 →