Journal articles on the topic 'Flavor-changing neutral currents'

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1

Cabarcas, J. M., D. Gómez Dumm, and R. Martinez. "Flavor-changing neutral currents in 331 models." Journal of Physics G: Nuclear and Particle Physics 37, no. 4 (February 11, 2010): 045001. http://dx.doi.org/10.1088/0954-3899/37/4/045001.

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2

Barroso, A. "Flavor-changing neutral currents with heavy quarks." Physical Review D 42, no. 3 (August 1, 1990): 901–4. http://dx.doi.org/10.1103/physrevd.42.901.

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3

Soares, J. M., and A. Barroso. "Renormalization of the flavor-changing neutral currents." Physical Review D 39, no. 7 (April 1, 1989): 1973–85. http://dx.doi.org/10.1103/physrevd.39.1973.

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4

Valencia, German. "Flavor changing neutral currents and a Z′." Hyperfine Interactions 214, no. 1-3 (January 30, 2013): 31–37. http://dx.doi.org/10.1007/s10751-013-0805-x.

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5

Shinohara, T. "Flavor Changing Neutral Currents in Universal Seesaw Model." Progress of Theoretical Physics 90, no. 5 (September 1, 1993): 1057–73. http://dx.doi.org/10.1143/ptp/90.5.1057.

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6

Freyberger, A., D. Gibaut, K. Kinoshita, P. Pomianowski, S. Schrenk, D. Cinabro, B. Barish, et al. "Limits on Flavor Changing Neutral Currents inD0Meson Decays." Physical Review Letters 77, no. 10 (September 2, 1996): 2147. http://dx.doi.org/10.1103/physrevlett.77.2147.

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7

Atwood, David, Laura Reina, and Amarjit Soni. "Flavor Changing Neutral Scalar Currents atμ+μ−Colliders." Physical Review Letters 75, no. 21 (November 20, 1995): 3800–3803. http://dx.doi.org/10.1103/physrevlett.75.3800.

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8

Freyberger, A., D. Gibaut, K. Kinoshita, P. Pomianowski, S. Schrenk, D. Cinabro, B. Barish, et al. "Limits on Flavor Changing Neutral Currents inD0Meson Decays." Physical Review Letters 76, no. 17 (April 22, 1996): 3065–69. http://dx.doi.org/10.1103/physrevlett.76.3065.

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9

Appelquist, Thomas, Dimitra Karabali, and L. C. R. Wijewardhana. "Chiral Hierarchies and Flavor-Changing Neutral Currents in Hypercolor." Physical Review Letters 57, no. 8 (August 25, 1986): 957–60. http://dx.doi.org/10.1103/physrevlett.57.957.

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10

Wu, Dan-Di. "Flavor-changing neutral currents,CPviolation, and impure Majorana neutrinos." Physical Review D 56, no. 3 (August 1, 1997): 1522–27. http://dx.doi.org/10.1103/physrevd.56.1522.

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11

Miransky, V. A., S. Peris, and S. Raby. "Remarks on flavor-changing neutral currents in walking technicolor." Physical Review D 47, no. 5 (March 1, 1993): 2058–62. http://dx.doi.org/10.1103/physrevd.47.2058.

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12

Joshipura, Anjan S. "Flavor-changing neutral currents and seesaw masses for quarks." Physical Review D 39, no. 3 (February 1, 1989): 878–87. http://dx.doi.org/10.1103/physrevd.39.878.

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13

Landsberg, Leonid G. "Flavor changing neutral currents and rare decays of K-mesons." Physics-Uspekhi 46, no. 10 (October 31, 2003): 995–1051. http://dx.doi.org/10.1070/pu2003v046n10abeh001331.

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14

Landsberg, Leonid G. "Flavor changing neutral currents and rare decays of K-mesons." Uspekhi Fizicheskih Nauk 173, no. 10 (2003): 1025. http://dx.doi.org/10.3367/ufnr.0173.200310a.1025.

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15

Arhrib, Abdesslam, and Wei-Shu Hou. "Flavor changing neutral currents involving heavy quarks with four generations." Journal of High Energy Physics 2006, no. 07 (July 10, 2006): 009. http://dx.doi.org/10.1088/1126-6708/2006/07/009.

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16

Ambroso, Michael, Volker Braun, and Burt A. Ovrut. "Two Higgs pair heterotic vacua and flavor-changing neutral currents." Journal of High Energy Physics 2008, no. 10 (October 13, 2008): 046. http://dx.doi.org/10.1088/1126-6708/2008/10/046.

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17

Mohammadi Najafabadi, Mojtaba. "Search for Top Quark Flavor-Changing Neutral Currents at CMS." Nuclear and Particle Physics Proceedings 273-275 (April 2016): 2154–58. http://dx.doi.org/10.1016/j.nuclphysbps.2015.09.350.

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18

Béjar, Santi, Jaume Guasch, and Joan Solà. "SUSY Higgs boson flavor-changing neutral currents at the LHC." Nuclear Physics B - Proceedings Supplements 157, no. 1 (July 2006): 147–51. http://dx.doi.org/10.1016/j.nuclphysbps.2006.03.042.

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19

Barger, Vernon, Cheng-Wei Chiang, Paul Langacker, and Hye-Sung Lee. "Z′ mediated flavor changing neutral currents in B meson decays." Physics Letters B 580, no. 3-4 (February 2004): 186–96. http://dx.doi.org/10.1016/j.physletb.2003.11.057.

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20

Hagelin, John S., S. Kelley, and Toshiaki Tanaka. "Supersymmetric flavor-changing neutral currents: exact amplitudes and phenomenological analysis." Nuclear Physics B 415, no. 2 (March 1994): 293–331. http://dx.doi.org/10.1016/0550-3213(94)90113-9.

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21

Dulaney, Timothy R., and Mark B. Wise. "Flavor changing neutral currents in the Lee–Wick Standard Model." Physics Letters B 658, no. 5 (January 2008): 230–35. http://dx.doi.org/10.1016/j.physletb.2007.08.049.

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22

Branco, G. C., T. Morozumi, P. A. Parada, and M. N. Rebelo. "CPasymmetries inB0decays in the presence of flavor-changing neutral currents." Physical Review D 48, no. 3 (August 1, 1993): 1167–75. http://dx.doi.org/10.1103/physrevd.48.1167.

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23

Hou, Wei-Shu, and Robin G. Stuart. "Flavor changing neutral currents involving heavy fermions: A general survey." Nuclear Physics B 320, no. 2 (July 1989): 277–309. http://dx.doi.org/10.1016/0550-3213(89)90252-6.

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24

Carone, Christopher D., and Rowan T. Hamilton. "Flavor changing neutral currents in a realistic composite technicolor model." Physics Letters B 301, no. 2-3 (March 1993): 196–202. http://dx.doi.org/10.1016/0370-2693(93)90688-e.

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25

Gaitan, R., E. A. Garcés, R. Martinez, and J. H. Montes de Oca. "Search for flavor-changing neutral currents in rare top decays." Astronomische Nachrichten 338, no. 9-10 (December 2017): 1147–50. http://dx.doi.org/10.1002/asna.201713452.

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26

MACHADO, A. C. B., J. C. MONTERO, and V. PLEITEZ. "ON FERMION MASSES AND MIXING IN A MODEL WITH A4 SYMMETRY." International Journal of Modern Physics A 27, no. 12 (May 4, 2012): 1250068. http://dx.doi.org/10.1142/s0217751x12500686.

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In a recently proposed multi-Higgs extension of the standard model in which discrete symmetries, A4 and Z3 are imposed we show that, after accommodating the fermion masses and the mixing matrices in the charged currents, the mixing matrices in the neutral currents induced by neutral scalars are numerically obtained. However, the flavor changing neutral currents are under control mainly by mixing and/or mass suppressions in the neutral scalar sector.
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27

DUMM, D. GÓMEZ, F. PISANO, and V. PLEITEZ. "FLAVOR CHANGING NEUTRAL CURRENTS IN SU(3)L⊗U(1)Y MODELS." Modern Physics Letters A 09, no. 17 (June 7, 1994): 1609–15. http://dx.doi.org/10.1142/s0217732394001441.

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We consider flavor changing neutral current effects coming from the Z′ exchange in 3–3–1 models. We show that the mass of this extra neutral vector boson may be less than 2 TeV and discuss the problem of quark family discrimination.
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28

Atwood, David, Laura Reina, and Amarjit Soni. "RbandRcin the two-Higgs-doublet model with flavor-changing neutral currents." Physical Review D 54, no. 5 (September 1, 1996): 3296–308. http://dx.doi.org/10.1103/physrevd.54.3296.

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29

Atwood, David, Laura Reina, and Amarjit Soni. "Phenomenology of two Higgs doublet models with flavor-changing neutral currents." Physical Review D 55, no. 5 (March 1, 1997): 3156–76. http://dx.doi.org/10.1103/physrevd.55.3156.

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30

Kim, Tae Jeong. "Flavor Changing Neutral Currents in top production and decay at CMS." Journal of Physics: Conference Series 556 (November 26, 2014): 012029. http://dx.doi.org/10.1088/1742-6596/556/1/012029.

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31

Abazov, V. M., B. Abbott, B. S. Acharya, M. Adams, T. Adams, G. D. Alexeev, G. Alkhazov, et al. "Search for flavor changing neutral currents in decays of top quarks." Physics Letters B 701, no. 3 (July 2011): 313–20. http://dx.doi.org/10.1016/j.physletb.2011.06.014.

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32

Han, T., R. D. Peccei, and X. Zhang. "Top-quark decay via flavor-changing neutral currents at hadron colliders." Nuclear Physics B 454, no. 3 (November 1995): 527–40. http://dx.doi.org/10.1016/0550-3213(95)95688-c.

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33

Nir, Yosef, and Dennis Silverman. "Z-mediated flavor-changing neutral currents and their implications forCPasymmetries inB0decays." Physical Review D 42, no. 5 (September 1, 1990): 1477–84. http://dx.doi.org/10.1103/physrevd.42.1477.

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34

Choudhury, D., F. Eberlein, A. König, J. Louis, and S. Pokorski. "Constraints on non-universal soft terms from flavor changing neutral currents." Physics Letters B 342, no. 1-4 (January 1995): 180–88. http://dx.doi.org/10.1016/0370-2693(94)01380-u.

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35

WANG, SHUAI-WEI, YAO-BEI LIU, and HAI-ZHEN SONG. "THE ANALYSIS OF B→ηK* AND B→ϕKS DECAYS IN A FLAVOR CHANGING Z′ MODEL." International Journal of Modern Physics A 23, no. 24 (September 30, 2008): 4039–49. http://dx.doi.org/10.1142/s0217751x08041633.

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We study the large branching ratios of B→ηK* decays and the time-dependent CP asymmetry SϕKS anomaly of B→ϕKS decay in a flavor changing Z′ model associated with flavor changing neutral currents at the tree level. Considering the right-handed flavor changing couplings and setting ξLL = ξRL = ξLR = ξRR = ξ, we obtain 0.011 < ξ < 0.0131, this parameter region could give a simultaneous explanation to these anomalies of B→ηK* and B→ϕKS decays. The results are consistent with the constraints and the assumptions of some references.
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36

Cortes Gonzalez, A. "Search for flavor-changing neutral currents in top quark decays at ATLAS." EPJ Web of Conferences 28 (2012): 12018. http://dx.doi.org/10.1051/epjconf/20122812018.

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37

Beilin, V. A., and V. I. Kuksa. "Flavor-changing neutral currents and top-quark properties in Standard Model extensions." Physics of Atomic Nuclei 65, no. 1 (January 2002): 121–26. http://dx.doi.org/10.1134/1.1446563.

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38

Aliev, T. M., and E. O. Iltan. "decay in the two Higgs doublet model with flavor changing neutral currents." Physics Letters B 451, no. 1-2 (April 1999): 175–86. http://dx.doi.org/10.1016/s0370-2693(99)00207-5.

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39

Bagger, Jonathan A., Konstantin T. Matchev, and Ren-Jie Zhang. "QCD corrections to flavor-changing neutral currents in the supersymmetric standard model." Physics Letters B 412, no. 1-2 (October 1997): 77–85. http://dx.doi.org/10.1016/s0370-2693(97)00920-9.

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40

Barger, Vernon, Cheng-Wei Chiang, Jing Jiang, and Paul Langacker. "Bs–B¯s mixing in Z′ models with flavor-changing neutral currents." Physics Letters B 596, no. 3-4 (August 2004): 229–39. http://dx.doi.org/10.1016/j.physletb.2004.06.105.

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41

Deshpande, N. G., and Xiao-Gang He. "CPviolation in a multi-Higgs-doublet model with flavor-changing neutral currents." Physical Review D 49, no. 9 (May 1, 1994): 4812–19. http://dx.doi.org/10.1103/physrevd.49.4812.

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42

Nelson, Ann E. "Fermion mass hierarchy without flavor-changing neutral currents in a technicolor model." Physical Review D 38, no. 9 (November 1, 1988): 2875–80. http://dx.doi.org/10.1103/physrevd.38.2875.

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43

Sanchis, M. A. "A comment on form factor mass singularities in flavor-changing neutral currents." Zeitschrift für Physik C Particles and Fields 52, no. 3 (September 1991): 511–15. http://dx.doi.org/10.1007/bf01559448.

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44

Malkawi, Ehab, and Tim Tait. "Top-quark-charm-quark strong flavor-changing neutral currents at the Fermilab Tevatron." Physical Review D 54, no. 9 (November 1, 1996): 5758–62. http://dx.doi.org/10.1103/physrevd.54.5758.

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45

Mukhopadhyaya, Biswarup, and D. P. Roy. "Fermilab Tevatron mass limits for heavy quarks decaying via flavor-changing neutral currents." Physical Review D 48, no. 5 (September 1, 1993): 2105–9. http://dx.doi.org/10.1103/physrevd.48.2105.

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46

Lin, Chilong. "A Two-Higgs-Doublet Model without Flavor-Changing Neutral Currents at Tree-Level." Journal of Modern Physics 10, no. 01 (2019): 35–42. http://dx.doi.org/10.4236/jmp.2019.101004.

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47

Branco, G. C., P. A. Parada, T. Morozumi, and M. N. Rebelo. "Effect of flavor-changing neutral currents in the leptonic asymmetry in Bd decays." Physics Letters B 306, no. 3-4 (June 1993): 398–402. http://dx.doi.org/10.1016/0370-2693(93)90098-3.

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48

JOSHIPURA, ANJAN S. "NEUTRAL HIGGS AND CP VIOLATION." Modern Physics Letters A 06, no. 18 (June 14, 1991): 1693–700. http://dx.doi.org/10.1142/s0217732391001834.

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An extended SU (2) × U (1) model with two-Higgs doublets and a discrete symmetry is considered. The latter is chosen to naturally obtain suppressed and hierarchical flavor-changing neutral currents induced by Higgs bosons. As a consequence, Higgs as light as 10 GeV is consistent with the observed KL – KS mass difference and problems with perturbative unitarity are avoided. In this model, the neutral Higgs can generate CP violation in K0 − K0 system and the consequences of a scheme where these exchanges provide the only source of CP violation are worked out.
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49

TOMÉ, BERNARDO. "SEARCHES FOR EXOTIC PARTICLES IN e+ e- COLLISIONS WITH THE DELPHI DETECTOR." International Journal of Modern Physics A 16, supp01b (September 2001): 869–72. http://dx.doi.org/10.1142/s0217751x01008345.

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Results of searches for exotic particles by the DELPHI collaboration at CERN are prented. Highlights from the searches for Flavor Changing Neutral Currents, Technicolor, Fermiophobic Higgs and Compositeness, in the LEP 2 data are shown. No evidence for new physics was found and the excluded regions of the parameter space for each model are presented.
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50

CHOUDHURY, DEBAJYOTI. "A COMPLETELY UNUNIFIED ELECTROWEAK MODEL." Modern Physics Letters A 06, no. 13 (April 30, 1991): 1185–93. http://dx.doi.org/10.1142/s021773239100124x.

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We construct a “fully ununified” electroweak model in which the quarks and leptons transform under separate SU (2) L ⊗ U (1)Y groups. There are two charged and three massive neutral gauge bosons, the lightest of which are similar to the standard model particles. Anomaly cancellation does not lead to any tree level flavor changing neutral currents except in the neutrino sector. A variant that naturally leads to a hierarchy in the Kobayashi-Maskawa matrix elements is proposed.
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