Searches for direct pair production of supersymmetric top and supersymmetric bottom quarks in p(p)over-tilde collisions at √s=1.96 TeV

被引:32
作者
Aaltonen, T. [24 ]
Abulencia, A.
Adelman, J.
Affolder, T.
Akimoto, T.
Albrow, S.
Amerio, S.
Amidei, D.
Anastassov, A.
Anikeev, K.
Annovi, A.
Antos, J.
Aoki, M.
Apollinari, G.
Arisawa, T.
Artikov, A.
Ashmanskas, W.
Attal, A.
Aurisano, A.
Azfar, F.
Azzi-Bacchetta, P.
Azzurri, P.
Bacchetta, N.
Badgett, W.
Barbaro-Galtieri, A.
Barnes, V. E.
Barnett, B. A.
Baroiant, S.
Bartsch, V.
Bauer, G.
Beauchemin, P. -H.
Bedeschi, F.
Behari, S.
Bellettini, G.
Bellinger, J.
Belloni, A.
Benjamin, D.
Beretvas, A.
Beringer, J.
Berry, T.
Bhatti, A.
Binkley, M.
Bisello, D.
Bizjak, I.
Blair, R. E.
Blocker, C.
Blumenfeld, B.
Bocci, A.
Bodek, A.
Boisvert, V.
机构
[1] Okayama Univ, Okayama 7008530, Japan
基金
英国科学技术设施理事会;
关键词
D O I
10.1103/PhysRevD.76.072010
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We search for direct pair production of supersymmetric top quarks and supersymmetric bottom quarks in proton-antiproton collisions at root s=1.96 TeV, using 295 pb(-1) of data recorded by the Collider Detector at Fermilab (CDF II) experiment. The supersymmetric top (supersymmetric bottom) quarks are selected by reconstructing their decay into a charm (bottom) quark and a neutralino, which is assumed to be the lightest supersymmetric particle. The signature of such processes is two energetic heavy-flavor jets and missing transverse energy. The number of events that pass our selection for each search process is consistent with the expected standard model background. By comparing our results to the theoretical production cross sections of the supersymmetric top and supersymmetric bottom quarks in the minimal supersymmetric standard model, we exclude, at a 95% confidence level in the frame of that model, a supersymmetric top quark mass up to 132 GeV/c(2) for a neutralino mass of 48 GeV/c(2), and a supersymmetric bottom quark mass up to 193 GeV/c(2) for a neutralino mass of 40 GeV/c(2).
引用
收藏
页数:12
相关论文
共 51 条
[1]   Search for pair production of scalar bottom quarks in p(p)over-bar collisions at √s = 1.96 TeV [J].
Abazov, V. M. ;
Abbott, B. ;
Abolins, M. ;
Acharya, B. S. ;
Adams, M. ;
Adams, T. ;
Agelou, M. ;
Ahn, S. H. ;
Ahsan, M. ;
Alexeev, G. D. ;
Alkhazov, G. ;
Alton, A. ;
Alverson, G. ;
Alves, G. A. ;
Anastasoaie, M. ;
Andeen, T. ;
Anderson, S. ;
Andrieu, B. ;
Anzelc, M. S. ;
Arnoud, Y. ;
Arov, M. ;
Askew, A. ;
Asman, B. ;
Jesus, A. C. S. Assis ;
Atramentov, O. ;
Autermann, C. ;
Avila, C. ;
Ay, C. ;
Badaud, F. ;
Baden, A. ;
Bagby, L. ;
Baldin, B. ;
Bandurin, D. V. ;
Banerjee, P. ;
Banerjee, S. ;
Barberis, E. ;
Bargassa, P. ;
Baringer, P. ;
Barnes, C. ;
Barreto, J. ;
Bartlett, J. F. ;
Bassler, U. ;
Bauer, D. ;
Bean, A. ;
Begalli, M. ;
Begel, M. ;
Belanger-Champagne, C. ;
Bellantoni, L. ;
Bellavance, A. ;
Benitez, J. A. .
PHYSICAL REVIEW LETTERS, 2006, 97 (17)
[2]   Search for the pair production of scalar top quarks in the acoplanar charm jet final state in p(p)over-bar collisions at √s=1.96 TeV [J].
Abazov, V. M. ;
Abbott, B. ;
Abolins, M. ;
Acharya, B. S. ;
Adams, M. ;
Adams, T. ;
Aguilo, E. ;
Ahn, S. H. ;
Ahsan, M. ;
Alexeev, G. D. ;
Alkhazov, G. ;
Alton, A. ;
Alverson, G. ;
Alves, G. A. ;
Anastasoaie, M. ;
Ancu, L. S. ;
Andeen, T. ;
Anderson, S. ;
Andrieu, B. ;
Anzelc, M. S. ;
Arnoud, Y. ;
Arov, M. ;
Askew, A. ;
Asman, B. ;
Assis Jesus, A. C. S. ;
Atramentov, O. ;
Autermann, C. ;
Avila, C. ;
Ay, C. ;
Badaud, F. ;
Baden, A. ;
Bagby, L. ;
Baldin, B. ;
Bandurin, D. V. ;
Banerjee, P. ;
Banerjee, S. ;
Barberis, E. ;
Bargassa, P. ;
Baringer, P. ;
Barnes, C. ;
Barreto, J. ;
Bartlett, J. F. ;
Bassler, U. ;
Bauer, D. ;
Beale, S. ;
Bean, A. ;
Begalli, M. ;
Begel, M. ;
Belanger-Champagne, C. ;
Bellantoni, L. .
PHYSICS LETTERS B, 2007, 645 (2-3) :119-127
[3]   Search for pair production of light scalar top quarks in p(p)over-bar collisions at √s=1.8 TeV -: art. no. 011801 [J].
Abazov, VM ;
Abbott, B ;
Abdesselam, A ;
Abolins, M ;
Abramov, V ;
Acharya, BS ;
Adams, DL ;
Adams, M ;
Ahmed, SN ;
Alexeev, GD ;
Alton, A ;
Alves, GA ;
Arnoud, Y ;
Avila, C ;
Babintsev, VV ;
Babukhadia, L ;
Bacon, TC ;
Baden, A ;
Baffioni, S ;
Baldin, B ;
Balm, PW ;
Banerjee, S ;
Barberis, E ;
Baringer, P ;
Barreto, J ;
Bartlett, JF ;
Bassler, U ;
Bauer, D ;
Bean, A ;
Beaudette, F ;
Begel, M ;
Belyaev, A ;
Beri, SB ;
Bernardi, G ;
Bertram, I ;
Besson, A ;
Beuselinck, R ;
Bezzubov, VA ;
Bhat, PC ;
Bhatnagar, V ;
Bhattacharjee, M ;
Blazey, G ;
Blekman, F ;
Blessing, S ;
Boehnlein, A ;
Bojko, NI ;
Bolton, TA ;
Borcherding, F ;
Bos, K ;
Bose, T .
PHYSICAL REVIEW LETTERS, 2004, 93 (01) :011801-1
[4]   Search for 3-and 4-body decays of the scalar top quark in pp- collisions at √s=1.8 TeV [J].
Abazov, VM ;
Abbott, B ;
Abdesselam, A ;
Abolins, M ;
Abramov, V ;
Acharya, BS ;
Adams, DL ;
Adams, M ;
Ahmed, SN ;
Alexeev, GD ;
Alton, A ;
Alves, GA ;
Anderson, EW ;
Arnoud, Y ;
Avila, C ;
Babintsev, VV ;
Babukhadia, L ;
Bacon, TC ;
Baden, A ;
Baffioni, S ;
Baldin, B ;
Balm, PW ;
Banerjee, S ;
Barberis, EB ;
Baringer, PB ;
Barreto, JB ;
Bartlett, JF ;
Bassler, U ;
Bauer, D ;
Bean, A ;
Beaudette, F ;
Begel, MB ;
Belyaev, A ;
Beri, SB ;
Bernardi, G ;
Bertram, I ;
Besson, A ;
Beuselinck, R ;
Bezzubov, VA ;
Bhat, PC ;
Bhatnagar, V ;
Bhattacharjee, M ;
Blazey, G ;
Blekman, F ;
Blessing, S ;
Boehnlein, A ;
Bojko, NI ;
Bolton, TA ;
Borcherding, F ;
Bos, K .
PHYSICS LETTERS B, 2004, 581 (3-4) :147-155
[5]   Search for the scalar top quark in p(p)over-bar collisions at √s= 1.8 TeV -: art. no. 171802 [J].
Abazov, VM ;
Abbott, B ;
Abdesselam, A ;
Abolins, M ;
Abramov, V ;
Acharya, BS ;
Adams, DL ;
Adams, M ;
Ahmed, SN ;
Alexeev, GD ;
Alves, GA ;
Amos, N ;
Anderson, EW ;
Arnoud, Y ;
Baarmand, MM ;
Babintsev, VV ;
Babukhadia, L ;
Bacon, TC ;
Baden, A ;
Baldin, B ;
Balm, PW ;
Banerjee, S ;
Barberis, E ;
Baringer, P ;
Barreto, J ;
Bartlett, JF ;
Bassler, U ;
Bauer, D ;
Bean, A ;
Beaudette, F ;
Begel, M ;
Belyaev, A ;
Beri, SB ;
Bernardi, G ;
Bertram, I ;
Besson, A ;
Beuselinck, R ;
Bezzubov, VA ;
Bhat, PC ;
Bhatnagar, V ;
Bhattacharjee, M ;
Blazey, G ;
Blessing, S ;
Boehnlein, A ;
Bojko, NI ;
Borcherding, F ;
Bos, K ;
Brandt, A ;
Breedon, R ;
Briskin, G .
PHYSICAL REVIEW LETTERS, 2002, 88 (17) :6-171802
[6]   TOPOLOGY OF 3-JET EVENTS IN PBARP COLLISIONS AT SQUARE-ROOT-S=1.8 TEV [J].
ABE, F ;
AMIDEI, D ;
APOLLINARI, G ;
ATAC, M ;
AUCHINCLOSS, P ;
BADEN, AR ;
BACCHETTA, N ;
BAILEY, MW ;
BAMBERGER, A ;
DEBARBARO, P ;
BARNETT, BA ;
BARBAROGALTIERI, A ;
BARNES, VE ;
BAUMANN, T ;
BEDESCHI, F ;
BEHRENDS, S ;
BELFORTE, S ;
BELLETTINI, G ;
BELLINGER, J ;
BENJAMIN, D ;
BENSINGER, J ;
BERETVAS, A ;
BERGE, JP ;
BERTOLUCCI, S ;
BHADRA, S ;
BINKLEY, M ;
BLAIR, R ;
BLOCKER, C ;
BOLOGNESI, V ;
BOOTH, AW ;
BOSWELL, C ;
BRANDENBURG, G ;
BROWN, D ;
BUCKLEYGEER, E ;
BUDD, HS ;
BUSETTO, G ;
BYONWAGNER, A ;
BYRUM, KL ;
CAMPAGNARI, C ;
CAMPBELL, M ;
CANER, A ;
CAREY, R ;
CARITHERS, W ;
CARLSMITH, D ;
CARROLL, JT ;
CASHMORE, R ;
CASTRO, A ;
CERVELLI, F ;
CHADWICK, K ;
CHIARELLI, G .
PHYSICAL REVIEW D, 1992, 45 (05) :1448-1458
[7]   Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at √s=1.96 TeV using lepton plus jets events with jet probability b-tagging [J].
Abulencia, A. ;
Acosta, D. ;
Adelman, J. ;
Affolder, T. ;
Akimoto, T. ;
Albrow, M. G. ;
Ambrose, D. ;
Amerio, S. ;
Amidei, D. ;
Anastassov, A. ;
Anikeev, K. ;
Annovi, A. ;
Antos, J. ;
Aoki, M. ;
Apollinari, G. ;
Arguin, J.-F. ;
Arisawa, T. ;
Artikov, A. ;
Ashmanskas, W. ;
Attal, A. ;
Azfar, F. ;
Azzi-Bacchetta, P. ;
Azzurri, P. ;
Bacchetta, N. ;
Bachacou, H. ;
Badgett, W. ;
Barbaro-Galtieri, A. ;
Barnes, V. E. ;
Barnett, B. A. ;
Baroiant, S. ;
Bartsch, V. ;
Bauer, G. ;
Bedeschi, F. ;
Behari, S. ;
Belforte, S. ;
Bellettini, G. ;
Bellinger, J. ;
Belloni, A. ;
Ben Haim, E. ;
Benjamin, D. ;
Beretvas, A. ;
Beringer, J. ;
Berry, T. ;
Bhatti, A. ;
Binkley, M. ;
Bisello, D. ;
Blair, R. E. ;
Blocker, C. ;
Blumenfeld, B. ;
Boccio, A. .
PHYSICAL REVIEW D, 2006, 74 (07)
[8]   Search for scalar bottom quarks from gluino decays in (p)over-barp collisions at √s=1.96 TeV [J].
Abulencia, A ;
Acosta, D ;
Adelman, J ;
Affolder, T ;
Akimoto, T ;
Albrow, MG ;
Ambrose, D ;
Amerio, S ;
Amidei, D ;
Anastassov, A ;
Anikeev, K ;
Annovi, A ;
Antos, J ;
Aoki, M ;
Apollinari, G ;
Arguin, JF ;
Arisawa, T ;
Artikov, A ;
Ashmanskas, W ;
Attal, A ;
Azfar, F ;
Azzi-Bacchetta, P ;
Azzurri, P ;
Bacchetta, N ;
Bachacou, H ;
Badgett, W ;
Barbaro-Galtieri, A ;
Barnes, VE ;
Barnett, BA ;
Baroiant, S ;
Bartsch, V ;
Bauer, G ;
Bedeschi, F ;
Behari, S ;
Belforte, S ;
Bellettini, G ;
Bellinger, J ;
Belloni, A ;
Ben-Haim, E ;
Benjamin, D ;
Beretvas, A ;
Beringer, J ;
Berry, T ;
Bhatti, A ;
Binkley, M ;
Bisello, D ;
Bishai, M ;
Blair, RE ;
Blocker, C ;
Bloom, K .
PHYSICAL REVIEW LETTERS, 2006, 96 (17)
[9]   Measurement of the J/ψ meson and b-hadron production cross sections in p(p)over-bar collisions at √s=1960 GeV -: art. no. 032001 [J].
Acosta, D ;
Adelman, J ;
Affolder, T ;
Akimoto, T ;
Albrow, MG ;
Ambrose, D ;
Amerio, S ;
Amidei, D ;
Anastassov, A ;
Anikeev, K ;
Annovi, A ;
Antos, J ;
Aoki, M ;
Apollinari, G ;
Arisawa, T ;
Arguin, JF ;
Artikov, A ;
Ashmanskas, W ;
Attal, A ;
Azfar, F ;
Azzi-Bacchetta, P ;
Bacchetta, N ;
Bachacou, H ;
Badgett, W ;
Barbaro-Galtieri, A ;
Barker, GJ ;
Barnes, VE ;
Barnett, BA ;
Baroiant, S ;
Barone, M ;
Bauer, G ;
Bedeschi, F ;
Behari, S ;
Belforte, S ;
Bellettini, G ;
Bellinger, J ;
Ben-Haim, E ;
Benjamin, D ;
Beretvas, A ;
Bhatti, A ;
Binkley, M ;
Bisello, D ;
Bishai, M ;
Blair, RE ;
Blocker, C ;
Bloom, K ;
Blumenfeld, B ;
Bocci, A ;
Bodek, A ;
Bolla, G .
PHYSICAL REVIEW D, 2005, 71 (03) :032001-1
[10]   Search for pair production of scalar top quarks in R-parity violating decay modes in p(p)over-bar collisions at √s=1.8 TeV -: art. no. 051803 [J].
Acosta, D ;
Affolder, T ;
Akimoto, H ;
Albrow, MG ;
Ambrose, D ;
Amidei, D ;
Anikeev, K ;
Antos, J ;
Apollinari, G ;
Arisawa, T ;
Artikov, A ;
Asakawa, T ;
Ashmanskas, W ;
Azfar, F ;
Azzi-Bacchetta, P ;
Bacchetta, N ;
Bachacou, H ;
Badgett, W ;
Bailey, S ;
de Barbaro, P ;
Barbaro-Galtieri, A ;
Barnes, VE ;
Barnett, BA ;
Baroiant, S ;
Barone, M ;
Bauer, G ;
Bedeschi, F ;
Behari, S ;
Belforte, S ;
Bell, WH ;
Bellettini, G ;
Bellinger, J ;
Benjamin, D ;
Bensinger, J ;
Beretvas, A ;
Berryhill, J ;
Bhatti, A ;
Binkley, M ;
Bisello, D ;
Bishai, M ;
Blair, RE ;
Blocker, C ;
Bloom, K ;
Blumenfeld, B ;
Blusk, SR ;
Bocci, A ;
Bodek, A ;
Bolla, G ;
Bolshov, A ;
Bonushkin, Y .
PHYSICAL REVIEW LETTERS, 2004, 92 (05)