Search for second generation leptoquarks in the Dimuon plus Dijet channel of p(p)over-bar collisions at √s = 1.8 TeV

被引:30
作者
Abe, F
Akimoto, H
Akopian, A
Albrow, MG
Amadon, A
Amendolia, SR
Amidei, D
Antos, J
Aota, S
Apollinari, G
Arisawa, T
Asakawa, T
Ashmanskas, W
Atac, M
Azzi-Bacchetta, P
Bacchetta, N
Bagdasarov, S
Bailey, MW
de Barbaro, P
Barbaro-Galtieri, A
Barnes, VE
Barnett, BA
Barone, M
Bauer, G
Baumann, T
Bedeschi, F
Behrends, S
Belforte, S
Bellettini, G
Bellinger, J
Benjamin, D
Bensinger, J
Beretvas, A
Berge, JP
Berryhill, J
Bertolucci, S
Bettelli, S
Bevensee, B
Bhatti, A
Biery, K
Bigongiari, C
Binkley, M
Bisello, D
Blair, RE
Blocker, C
Blusk, S
Bodek, A
Bokhari, W
Bolla, G
Bonushkin, Y
机构
[1] Argonne Natl Lab, Argonne, IL 60439 USA
[2] Univ Bologna, Ist Nazl Fis Nucl, I-40127 Bologna, Italy
[3] Brandeis Univ, Waltham, MA 02254 USA
[4] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[5] Univ Chicago, Chicago, IL 60637 USA
[6] Duke Univ, Durham, NC 27708 USA
[7] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[8] Univ Florida, Gainesville, FL 32611 USA
[9] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[10] Univ Geneva, CH-1211 Geneva 4, Switzerland
[11] Harvard Univ, Cambridge, MA 02138 USA
[12] Hiroshima Univ, Higashihiroshima 724, Japan
[13] Univ Illinois, Urbana, IL 61801 USA
[14] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada
[15] Univ Toronto, Toronto, ON M5S 1A7, Canada
[16] Johns Hopkins Univ, Baltimore, MD 21218 USA
[17] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany
[18] KEK, Natl Lab High Energy Phys, Tsukuba, Ibaraki 305, Japan
[19] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[20] MIT, Cambridge, MA 02139 USA
[21] Univ Michigan, Ann Arbor, MI 48109 USA
[22] Michigan State Univ, E Lansing, MI 48824 USA
[23] Univ New Mexico, Albuquerque, NM 87131 USA
[24] Ohio State Univ, Columbus, OH 43210 USA
[25] Osaka City Univ, Osaka 588, Japan
[26] Univ Padua, Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
[27] Univ Penn, Philadelphia, PA 19104 USA
[28] Univ Pisa, Ist Nazl Fis Nucl, I-56100 Pisa, Italy
[29] Scuola Normale Super Pisa, I-56100 Pisa, Italy
[30] Univ Pittsburgh, Pittsburgh, PA 15260 USA
[31] Purdue Univ, W Lafayette, IN 47907 USA
[32] Univ Rochester, Rochester, NY 14627 USA
[33] Rockefeller Univ, New York, NY 10021 USA
[34] Rutgers State Univ, Piscataway, NJ 08855 USA
[35] Acad Sinica, Garden City, NY 11530 USA
[36] Texas A&M Univ, College Stn, TX 77843 USA
[37] Texas Tech Univ, Lubbock, TX 79409 USA
[38] Univ Trieste, Ist Nazl Fis Nucl, Udine, Italy
[39] Univ Tsukuba, Tokyo, Ibaraki 315, Japan
[40] Tufts Univ, Medford, MA 02155 USA
[41] Waseda Univ, Tokyo 169, Japan
[42] Univ Wisconsin, Madison, WI 53706 USA
[43] Yale Univ, New Haven, CT 06520 USA
关键词
D O I
10.1103/PhysRevLett.81.4806
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report on a search for second generation leptoquarks (Phi(2)) using a data sample corresponding to an integrated luminosity of 110 pb(-1) collected at the Collider Detector at Fermilab. We present upper limits on the production cross section as a function of Phi(2) mass, assuming that the leptoquarks are produced in pairs and decay into a muon and a quark with branching ratio beta. Using a next-to-leading order quantum chromodynamics calculation, we extract a lower mass limit of M(Phi 2) > 202(160) GeV/c(2) at 95% confidence level for scalar leptoquarks with beta = 1(0.5). [S0031-4007(98)07705-9].
引用
收藏
页码:4806 / 4811
页数:6
相关论文
共 33 条
[1]   2ND GENERATION LEPTOQUARK SEARCH IN P(P)OVER-BAR COLLISIONS AT ROOT-S=1.8-TEV [J].
ABACHI, S ;
ABBOTT, B ;
ABOLINS, M ;
ACHARYA, BS ;
ADAM, I ;
ADAMS, DL ;
ADAMS, M ;
AHN, S ;
AIHARA, H ;
ALITTI, J ;
ALVAREZ, G ;
ALVES, GA ;
AMIDI, E ;
AMOS, N ;
ANDERSON, EW ;
ARONSON, SH ;
ASTUR, R ;
AVERY, RE ;
BADEN, A ;
BALAMURALI, V ;
BALDERSTON, J ;
BALDIN, B ;
BANTLY, J ;
BARTLETT, JF ;
BAZIZI, K ;
BENDICH, J ;
BERI, SB ;
BERTRAM, I ;
BEZZUBOV, VA ;
BHAT, PC ;
BHATNAGAR, V ;
BHATTACHARJEE, M ;
BISCHOFF, A ;
BISWAS, N ;
BLAZEY, G ;
BLESSING, S ;
BLOOM, P ;
BOEHNLEIN, A ;
BOJKO, NI ;
BORCHERDING, F ;
BORDERS, J ;
BOSWELL, C ;
BRANDT, A ;
BROCK, R ;
BROSS, A ;
BUCHHOLZ, D ;
BURTOVOI, VS ;
BUTLER, JM ;
CASEY, D ;
CASTILLAVALDEZ, H .
PHYSICAL REVIEW LETTERS, 1995, 75 (20) :3618-3623
[2]   Search for scalar leptoquark pairs decaying to electrons and jets in (p)over-bar-p collisions [J].
Abbott, B ;
Abolins, M ;
Acharya, BS ;
Adam, I ;
Adams, DL ;
Adams, M ;
Ahn, S ;
Aihara, H ;
Alves, GA ;
Amidi, E ;
Amos, N ;
Anderson, EW ;
Astur, R ;
Baarmand, MM ;
Baden, A ;
Balamurali, V ;
Balderston, J ;
Baldin, B ;
Banerjee, S ;
Bantly, J ;
Bartlett, JF ;
Bazizi, K ;
Belyaev, A ;
Beri, SB ;
Bertram, I ;
Bezzubov, VA ;
Bhat, PC ;
Bhatnagar, V ;
Bhattacharjee, M ;
Biswas, N ;
Blazey, G ;
Blessing, S ;
Bloom, P ;
Boehnlein, A ;
Bojko, NI ;
Borcherding, F ;
Boswell, C ;
Brandt, A ;
Brock, R ;
Bross, A ;
Buchholz, D ;
Burtovoi, VS ;
Butler, JM ;
Carvalho, W ;
Casey, D ;
Casilum, Z ;
CastillaValdez, H ;
Chakraborty, D ;
Chang, SM ;
Chekulaev, SV .
PHYSICAL REVIEW LETTERS, 1997, 79 (22) :4321-4326
[3]   Search for first generation scalar leptoquark pairs in p(p)over-bar collisions at √s=1.8 TeV [J].
Abbott, B ;
Abolins, M ;
Acharya, BS ;
Adam, I ;
Adams, DL ;
Adams, M ;
Ahn, S ;
Aihara, H ;
Alves, GA ;
Amos, N ;
Anderson, EW ;
Astur, R ;
Baarmand, MM ;
Baden, A ;
Balamurali, V ;
Balderston, J ;
Baldin, B ;
Banerjee, S ;
Bantly, J ;
Barberis, E ;
Bartlett, JF ;
Bazizi, K ;
Belyaev, A ;
Beri, SB ;
Bertram, I ;
Bezzubov, VA ;
Bhat, PC ;
Bhatnagar, V ;
Bhattacharjee, M ;
Biswas, N ;
Blazey, G ;
Blessing, S ;
Bloom, P ;
Boehnlein, A ;
Bojko, NI ;
Borcherding, F ;
Boswell, C ;
Brandt, A ;
Brock, R ;
Bross, A ;
Buchholz, D ;
Burtovoi, VS ;
Butler, JM ;
Carvalho, W ;
Casey, D ;
Casilum, Z ;
Castilla-Valdez, H ;
Chakraborty, D ;
Chang, SM ;
Chekulaev, SV .
PHYSICAL REVIEW LETTERS, 1998, 80 (10) :2051-2056
[4]   SEARCH FOR 2ND-GENERATION LEPTOQUARKS IN P(P)OVER-BAR COLLISIONS AT ROOT-S=1.8 TEV [J].
ABE, F ;
ALBROW, MG ;
AMENDOLIA, SR ;
AMIDEI, D ;
ANTOS, J ;
ANWAYWIESE, C ;
APOLLINARI, G ;
ARETI, H ;
ATAC, M ;
AUCHINCLOSS, P ;
AZFAR, F ;
AZZI, P ;
BACCHETTA, N ;
BADGETT, W ;
BAILEY, MW ;
BAO, J ;
DEBARBARO, P ;
BARBAROGALTIERI, A ;
BARNES, VE ;
BARNETT, BA ;
BARTALINI, P ;
BAUER, G ;
BAUMANN, T ;
BEDESCHI, F ;
BEHRENDS, S ;
BELFORTE, S ;
BELLETTINI, G ;
BELLINGER, J ;
BENJAMIN, D ;
BENLLOCH, J ;
BENSINGER, J ;
BENTON, D ;
BERETVAS, A ;
BERGE, JP ;
BERTOLUCCI, S ;
BHATTI, A ;
BIERY, K ;
BINKLEY, M ;
BIRD, F ;
BISELLO, D ;
BLAIR, RE ;
BLOCKER, C ;
BODEK, A ;
BOKHARI, W ;
BOLOGNESI, V ;
BORTOLETTO, D ;
BOSWELL, C ;
BOULOS, T ;
BRANDENBURG, G ;
BROMBERG, C .
PHYSICAL REVIEW LETTERS, 1995, 75 (06) :1012-1016
[5]   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
[6]   EVIDENCE FOR TOP-QUARK PRODUCTION IN (P)OVER-BAR-P COLLISIONS AT ROOT-S=1.8 TEV [J].
ABE, F ;
ALBROW, MG ;
AMENDOLIA, SR ;
AMIDEI, D ;
ANTOS, J ;
ANWAYWIESE, C ;
APOLLINARI, G ;
ARETI, H ;
AUCHINCLOSS, P ;
AUSTERN, M ;
AZFAR, F ;
AZZI, P ;
BACCHETTA, N ;
BADGETT, W ;
BAILEY, MW ;
BAO, J ;
DEBARBARO, P ;
BARBAROGALTIERI, A ;
BARNES, VE ;
BARNETT, BA ;
BARTALINI, P ;
BAUER, G ;
BAUMANN, T ;
BEDESCHI, F ;
BEHRENDS, S ;
BELFORTE, S ;
BELLETTINI, G ;
BELLINGER, J ;
BENJAMIN, D ;
BENLLOCH, J ;
BENSINGER, J ;
BENTON, D ;
BERETVAS, A ;
BERGE, JP ;
BERTOLUCCI, S ;
BHATTI, A ;
BIERY, K ;
BINKLEY, M ;
BIRD, F ;
BISELLO, D ;
BLAIR, RE ;
BLOCKER, C ;
BODEK, A ;
BOLOGNESI, V ;
BORTOLETTO, D ;
BOSWELL, C ;
BOULOS, T ;
BRANDENBURG, G ;
BUCKLEYGEER, E ;
BUDD, HS .
PHYSICAL REVIEW D, 1994, 50 (05) :2966-3026
[7]   THE CDF DETECTOR - AN OVERVIEW [J].
ABE, F ;
AMIDEI, D ;
APOLLINARI, G ;
ASCOLI, G ;
ATAC, M ;
AUCHINCLOSS, P ;
BADEN, AR ;
BARBAROGALTIERI, A ;
BARNES, VE ;
BARSOTTI, E ;
BEDESCHI, F ;
BELFORTE, S ;
BELLETTINI, G ;
BELLINGER, J ;
BENSINGER, J ;
BERETVAS, A ;
BERGE, P ;
BERTOLUCCI, S ;
BHADRA, S ;
BINKLEY, M ;
BLAIR, R ;
BLOCKER, C ;
BOFILL, J ;
BOOTH, AW ;
BRANDENBURG, G ;
BRENNER, A ;
BROWN, D ;
BYON, A ;
BYRUM, KL ;
CAMPBELL, M ;
CAREY, R ;
CARITHERS, W ;
CARLSMITH, D ;
CARROLL, JT ;
CASHMORE, R ;
CERVELLI, F ;
CHADWICK, K ;
CHAPIN, T ;
CHIARELLI, G ;
CHINOWSKY, W ;
CIHANGIR, S ;
CLINE, D ;
CONNOR, D ;
CONTRERAS, M ;
COOPER, J ;
CORDELLI, M ;
CURATOLO, M ;
DAY, C ;
DELFABBRO, R ;
DELLORSO, M .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1988, 271 (03) :387-403
[8]   Search for third generation leptoquarks in (p)over-bar-p collisions at root s=1.8 TeV [J].
Abe, F ;
Akimoto, H ;
Akopian, A ;
Albrow, MG ;
Amendolia, SR ;
Amidei, D ;
Antos, J ;
AnwayWiese, C ;
Aota, S ;
Apollinari, G ;
Asakawa, T ;
Ashmanskas, W ;
Atac, M ;
Azfar, F ;
AzziBacchetta, P ;
Bacchetta, N ;
Badgett, W ;
Bagdasarov, S ;
Bailey, MW ;
Bao, J ;
DeBarbaro, P ;
BarbaroGaltieri, A ;
Barnes, VE ;
Barnett, BA ;
Barone, M ;
Barzi, E ;
Bauer, G ;
Baumann, T ;
Bedeschi, F ;
Behrends, S ;
Belforte, S ;
Bellettini, G ;
Bellinger, J ;
Benjamin, D ;
Benlloch, J ;
Bensinger, J ;
Benton, D ;
Beretvas, A ;
Berge, JP ;
Berryhill, J ;
Bertolucci, S ;
Bevensee, B ;
Bhatti, A ;
Biery, K ;
Binkley, M ;
Bisello, D ;
Blair, RE ;
Blocker, C ;
Bodek, A ;
Bokhari, W .
PHYSICAL REVIEW LETTERS, 1997, 78 (15) :2906-2911
[9]   Search for first generation leptoquark pair production in p(p)over-bar collisions at root s=1.8 TeV [J].
Abe, F ;
Akimoto, H ;
Akopian, A ;
Albrow, MG ;
Amadon, A ;
Amendolia, SR ;
Amidei, D ;
Antos, J ;
Aota, S ;
Apollinari, G ;
Arisawa, T ;
Asakawa, T ;
Ashmanskas, W ;
Atac, M ;
Azfar, F ;
AzziBacchetta, P ;
Bacchetta, N ;
Badgett, W ;
Bagdasarov, S ;
Bailey, MW ;
Bao, J ;
deBarbaro, P ;
BarbaroGaltieri, A ;
Barnes, VE ;
Barnett, BA ;
Barone, M ;
Barzi, E ;
Bauer, G ;
Baumann, T ;
Bedeschi, F ;
Behrends, S ;
Belforte, S ;
Bellettini, G ;
Bellinger, J ;
Benjamin, D ;
Benlloch, J ;
Bensinger, J ;
Benton, D ;
Beretvas, A ;
Berge, JP ;
Berryhill, J ;
Bertolucci, S ;
Bettelli, S ;
Bevensee, B ;
Bhatti, A ;
Biery, K ;
Binkley, M ;
Bisello, D ;
Blair, RE ;
Blocker, C .
PHYSICAL REVIEW LETTERS, 1997, 79 (22) :4327-4332
[10]   LIMITS ON THE PRODUCTION OF SCALAR LEPTOQUARKS FROM Z(0) DECAYS AT LEP [J].
ABREU, P ;
ADAM, W ;
ADYE, T ;
AGASI, E ;
ALEKSAN, R ;
ALEKSEEV, GD ;
ALGERI, A ;
ALLEN, P ;
ALMEHED, S ;
ALVSVAAG, SJ ;
AMALDI, U ;
ANDREAZZA, A ;
ANTILOGUS, P ;
APEL, WD ;
APSIMON, RJ ;
ARNOUD, Y ;
ASMAN, B ;
AUGUSTIN, JE ;
AUGUSTINUS, A ;
BAILLON, P ;
BAMBADE, P ;
BARAO, F ;
BARATE, R ;
BARBIELLINI, G ;
BARDIN, DY ;
BARKER, GJ ;
BARONCELLI, A ;
BARRING, O ;
BARRIO, JA ;
BARTL, W ;
BATES, MJ ;
BATTAGLIA, M ;
BAUBILLIER, M ;
BECKS, KH ;
BEGALLI, M ;
BEILLIERE, P ;
BELOKOPYTOV, Y ;
BELTRAN, P ;
BENEDIC, D ;
BENVENUTI, AC ;
BERGGREN, M ;
BERTRAND, D ;
BIANCHI, F ;
BILENKY, MS ;
BILLOIR, P ;
BJARNE, J ;
BLOCH, D ;
BLOCKI, J ;
BLYTH, S ;
BOCCI, V .
PHYSICS LETTERS B, 1993, 316 (04) :620-630