Weak dipole moments of the top-quark at the Bestest Little Higgs model

被引：5

作者：

Cruz-Albaro, E. ^{[1
]}

Gutierrez-Rodriguez, A. ^{[1
]}

机构：

[1] Univ Autonoma Zacatecas, Fac Fis, Apartado Postal C 580, Zacatecas 98060, Mexico

来源：

EUROPEAN PHYSICAL JOURNAL PLUS | 2022年 / 137卷 / 12期

关键词：

ELECTROWEAK SYMMETRY-BREAKING; FINAL-STATES; FORM-FACTORS; PP COLLISIONS; ROOT-S=13 TEV; Z BOSON; COUPLINGS; FB(-1); SEARCH; PHYSICS;

D O I：

10.1140/epjp/s13360-022-03496-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a new search for the sensitivity limits on the weak dipole moments of the top-quark -Z boson interactions in the context of the Bestest Little Higgs Model (BLHM). For this purpose, we derive the corresponding Feynman rules. Among the new contributions, there are those arising from the vertices of scalar bosons, vector bosons and heavy quarks contribution: t(qi)S(i) , (S-i = h(0), H-0, A(0), phi(0), eta(0), sigma, H-+/-, phi(+/-), eta(+/-)); t(qi)V(i), (V-i = gamma, Z, W, Z', W'); and Z(qiq(sic)i) (q(i) = b, t, B, T, T-5, T-6, T-2/3, T-5/3). With these new vertices, we calculate the one-loop contributions to the weak dipole moments a(t)(W) and d(t)(W) of the top-quark in several scenarios. We found that with the parameters of the BLHM of mA(0) = 1000 GeV, m eta(0) = 100 GeV, F = 4000 GeV, f = [1000, 3000] GeV and tan beta = 3, the a(t)(W) reaches values with a sensitivity of a(t)(W)= 1.98 x 10(-4) - 1.26 x 10(-5) i, 9.02 x 10(-5) - 5.40 x 10(-6) i, where the main contribution comes from the scalars h(0) and H-0, which couples with the top-quark of the Standard Model and the top-quarks of the BLHM. These values seem to be out of the reach of the expected experimental sensitivity of present experiments. However, experiments on future colliders are expected to be sensitive enough to measure the anomalous weak magnetic dipole moment of the top-quark. Our study complements other studies at the one-loop level with an extended scalar sector.

引用

页数：33

共 62 条

[1] Measurement of the t(t)over-barZ and t(t)over-barW production cross sections in multilepton final states using 3.2 fb-1 of pp collisions at √s=13 TeV with the ATLAS detector [J].

Aaboud, M. ;

Aad, G. ;

Abbott, B. ;

Abdallah, J. ;

Abdinov, O. ;

Abeloos, B. ;

Aben, R. ;

AbouZeid, O. S. ;

Abraham, N. L. ;

Abramowicz, H. ;

Abreu, H. ;

Abreu, R. ;

Abulaiti, Y. ;

Acharya, B. S. ;

Adamczyk, L. ;

Adams, D. L. ;

Adelman, J. ;

Adomeit, S. ;

Adye, T. ;

Affolder, A. A. ;

Agatonovic-Jovin, T. ;

Agricola, J. ;

Aguilar-Saavedra, J. A. ;

Ahlen, S. P. ;

Ahmadov, F. ;

Aielli, G. ;

Akerstedt, H. ;

Akesson, T. P. ;

Akimov, A. V. ;

Alberghi, G. L. ;

Albert, J. ;

Albrand, S. ;

Alconada Verzini, M. J. ;

Aleksa, M. ;

Aleksandrov, I. N. ;

Alexa, C. ;

Alexander, G. ;

Alexopoulos, T. ;

Alhroob, M. ;

Ali, B. ;

Aliev, M. ;

Alimonti, G. ;

Alison, J. ;

Alkire, S. P. ;

Allbrooke, B. M. M. ;

Allen, B. W. ;

Allport, P. P. ;

Aloisio, A. ;

Alonso, A. ;

Alonso, F. .

EUROPEAN PHYSICAL JOURNAL C, 2017, 77 (01)

[2] Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the llbb and llWW final states in pp collisions at √s=13 TeV with the ATLAS detector [J].

Aad, G. ;

Abbott, B. ;

Abbott, D. C. ;

Abud, A. Abed ;

Abeling, K. ;

Abhayasinghe, D. K. ;

Abidi, S. H. ;

AbouZeid, O. S. ;

Abraham, N. L. ;

Abramowicz, H. ;

Abreu, H. ;

Abulaiti, Y. ;

Acharya, B. S. ;

Achkar, B. ;

Adam, L. ;

Bourdarios, C. Adam ;

Adamczyk, L. ;

Adamek, L. ;

Adelman, J. ;

Adiguzel, A. ;

Adorni, S. ;

Adye, T. ;

Affolder, A. A. ;

Afik, Y. ;

Agapopoulou, C. ;

Agaras, M. N. ;

Aggarwal, A. ;

Agheorghiesei, C. ;

Aguilar-Saavedra, J. A. ;

Ahmad, A. ;

Ahmadov, F. ;

Ahmed, W. S. ;

Ai, X. ;

Aielli, G. ;

Akatsuka, S. ;

Akbiyik, M. ;

Akesson, T. P. A. ;

Akilli, E. ;

Akimov, A., V ;

Al Khoury, K. ;

Alberghi, G. L. ;

Albert, J. ;

Verzini, M. J. Alconada ;

Alderweireldt, S. ;

Aleksa, M. ;

Aleksandrov, I. N. ;

Alexa, C. ;

Alexopoulos, T. ;

Alfonsi, A. ;

Alfonsi, F. .

EUROPEAN PHYSICAL JOURNAL C, 2021, 81 (05)

[3] Search for New Bottomlike Quark Pair Decays Q(Q)over-bar → (tW±)((t)over-barW± in Same-Charge Dileption Events [J].

Aaltonen, T. ;

Adelman, J. ;

Alvarez Gonzalez, B. ;

Amerio, S. ;

Amidei, D. ;

Anastassov, A. ;

Annovi, A. ;

Antos, J. ;

Apollinari, G. ;

Apresyan, A. ;

Arisawa, T. ;

Artikov, A. ;

Asaadi, J. ;

Ashmanskas, W. ;

Attal, A. ;

Aurisano, A. ;

Azfar, F. ;

Badgett, W. ;

Barbaro-Galtieri, A. ;

Barnes, V. E. ;

Barnett, B. A. ;

Barria, P. ;

Bartos, P. ;

Bauer, G. ;

Beauchemin, P. -H. ;

Bedeschi, F. ;

Beecher, D. ;

Behari, S. ;

Bellettini, G. ;

Bellinger, J. ;

Benjamin, D. ;

Beretvas, A. ;

Berge, D. ;

Bhatti, A. ;

Binkley, M. ;

Bisello, D. ;

Bizjak, I. ;

Blair, R. E. ;

Blocker, C. ;

Blumenfeld, B. ;

Bocci, A. ;

Bodek, A. ;

Boisvert, V. ;

Bortoletto, D. ;

Boudreau, J. ;

Boveia, A. ;

Brau, B. ;

Bridgeman, A. ;

Brigliadori, L. ;

Bromberg, C. .

PHYSICAL REVIEW LETTERS, 2010, 104 (09)

[4] Search for Top-Quark Production via Flavor-Changing Neutral Currents in W+1 Jet Events at CDF [J].

Aaltonen, T. ;

Adelman, J. ;

Akimoto, T. ;

Alvarez Gonzalez, B. ;

Amerio, S. ;

Amidei, D. ;

Anastassov, A. ;

Annovi, A. ;

Antos, J. ;

Apollinari, G. ;

Apresyan, A. ;

Arisawa, T. ;

Artikov, A. ;

Ashmanskas, W. ;

Attal, A. ;

Aurisano, A. ;

Azfar, F. ;

Azzurri, P. ;

Badgett, W. ;

Barbaro-Galtieri, A. ;

Barnes, V. E. ;

Barnett, B. A. ;

Bartsch, V. ;

Bauer, G. ;

Beauchemin, P. -H. ;

Bedeschi, F. ;

Beecher, D. ;

Behari, S. ;

Bellettini, G. ;

Bellinger, J. ;

Benjamin, D. ;

Beretvas, A. ;

Beringer, J. ;

Bhatti, A. ;

Binkley, M. ;

Bisello, D. ;

Bizjak, I. ;

Blair, R. E. ;

Blocker, C. ;

Blumenfeld, B. ;

Bocci, A. ;

Bodek, A. ;

Boisvert, V. ;

Bolla, G. ;

Bortoletto, D. ;

Boudreau, J. ;

Boveia, A. ;

Brau, B. ;

Bridgeman, A. ;

Brigliadori, L. .

PHYSICAL REVIEW LETTERS, 2009, 102 (15)

[5] Combination of searches for anomalous top quark couplings with 5.4 fb-1 of p(p)over-bar collisions [J].

Abazov, V. M. ;

Abbott, B. ;

Acharya, B. S. ;

Adams, M. ;

Adams, T. ;

Alexeev, G. D. ;

Alkhazov, G. ;

Alton, A. ;

Alverson, G. ;

Aoki, M. ;

Askew, A. ;

Atkins, S. ;

Augsten, K. ;

Avila, C. ;

Badaud, F. ;

Bagby, L. ;

Baldin, B. ;

Bandurin, D. V. ;

Banerjee, S. ;

Barberis, E. ;

Baringer, P. ;

Barreto, J. ;

Bartlett, J. F. ;

Bassler, U. ;

Bazterra, V. ;

Bean, A. ;

Begalli, M. ;

Bellantoni, L. ;

Beri, S. B. ;

Bernardi, G. ;

Bernhard, R. ;

Bertram, I. ;

Besancon, M. ;

Beuselinck, R. ;

Bezzubov, V. A. ;

Bhat, P. C. ;

Bhatia, S. ;

Bhatnagar, V. ;

Blazey, G. ;

Blessing, S. ;

Bloom, K. ;

Boehnlein, A. ;

Boline, D. ;

Boos, E. E. ;

Borissov, G. ;

Bose, T. ;

Brandt, A. ;

Brandt, O. ;

Brock, R. ;

Brooijmans, G. .

PHYSICS LETTERS B, 2012, 713 (03) :165-171

[6] Search for flavor changing neutral currents via quark-gluon couplings in single top quark production using 2.3 fb-1 of p(p)over-bar collisions [J].

Abazov, V. M. ;

Abbott, B. ;

Abolins, M. ;

Acharya, B. S. ;

Adams, M. ;

Adams, T. ;

Alexeev, G. D. ;

Alkhazov, G. ;

Alton, A. ;

Alverson, G. ;

Alves, G. A. ;

Ancu, L. S. ;

Aoki, M. ;

Arnoud, Y. ;

Arov, M. ;

Askew, A. ;

Asman, B. ;

Atramentov, O. ;

Avila, C. ;

BackusMayes, J. ;

Badaud, F. ;

Bagby, L. ;

Baldin, B. ;

Bandurin, D. V. ;

Banerjee, S. ;

Barberis, E. ;

Barfuss, A. -F. ;

Baringer, R. ;

Barreto, J. ;

Bartlett, J. F. ;

Basslerr, U. ;

Beale, S. ;

Bean, A. ;

Begalli, M. ;

Begel, M. ;

Belanger-Champagne, C. ;

Bellantoni, L. ;

Benitez, J. A. ;

Beri, S. B. ;

Bernardi, G. ;

Bernhard, R. ;

Bertram, I. ;

Besancon, M. ;

Beuselinck, R. ;

Bezzubov, V. A. ;

Bhat, P. C. ;

Bhatnagar, V. ;

Blazey, G. ;

Blessing, S. ;

Bloom, K. .

PHYSICS LETTERS B, 2010, 693 (02) :81-87

[7] Higgs physics at the CLIC electron-positron linear collider [J].

Abramowicz, H. ;

Abusleme, A. ;

Afanaciev, K. ;

Tehrani, N. Alipour ;

Balazs, C. ;

Benhammou, Y. ;

Benoit, M. ;

Bilki, B. ;

Blaising, J. -J. ;

Boland, M. J. ;

Boronat, M. ;

Borysov, O. ;

Bozovic-Jelisavcic, I. ;

Buckland, M. ;

Bugiel, S. ;

Burrows, P. N. ;

Charles, T. K. ;

Daniluk, W. ;

Dannheim, D. ;

Dasgupta, R. ;

Demarteau, M. ;

Gutierrez, M. A. Diaz ;

Eigen, G. ;

Elsener, K. ;

Felzmann, U. ;

Firlej, M. ;

Firu, E. ;

Fiutowski, T. ;

Fuster, J. ;

Gabriel, M. ;

Gaede, F. ;

Garcia, I. ;

Ghenescu, V. ;

Goldstein, J. ;

Green, S. ;

Grefe, C. ;

Hauschild, M. ;

Hawkes, C. ;

Hynds, D. ;

Idzik, M. ;

Kacarevic, G. ;

Kalinowski, J. ;

Kananov, S. ;

Klempt, W. ;

Kopec, M. ;

Krawczyk, M. ;

Krupa, B. ;

Kucharczyk, M. ;

Kulis, S. ;

Lastovicka, T. .

EUROPEAN PHYSICAL JOURNAL C, 2017, 77 (07)

[8]

Adolphsen C., 2013, arXiv

[9] A minimal set of top anomalous couplings [J].

Aguilar-Saavedra, J. A. .

NUCLEAR PHYSICS B, 2009, 812 (1-2) :181-204

[10] The infrared behaviour of QCD Green's functions - Confinement, dynamical symmetry breaking, and hadrons as relativistic bound states [J].

Alkofer, R ;

von Smekal, L .

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 2001, 353 (5-6) :281-465

← 1 2 3 4 5 6 7 →