Effects of nonminimal universal extra dimension on 
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Datta, Anindya; Shaw, Avirup

doi:10.1103/physrevd.95.015033

Cited by 18 publications

(93 citation statements)

References 104 publications

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“…where Ψ L ðx; yÞ and Ψ R ðx; yÞ are the 5D four component Dirac spinors, which can be expressed in terms of two component spinors [25,30,31,37]:…”

Section: Kk-parity Conserving Nmued Scenario In a Nutshellmentioning

confidence: 99%

“…We start with the action for 5D fermionic fields including their boundary localized kinetic term (BLKT) of strength r f ( [25,30,31,37]):…”

Section: Kk-parity Conserving Nmued Scenario In a Nutshellmentioning

confidence: 99%

“…Here f LðRÞ and g LðRÞ are the KK-wave functions that can be written in the following form [21,25,30,31,35]:…”

Section: Kk-parity Conserving Nmued Scenario In a Nutshellmentioning

confidence: 99%

“…ð5Þ N f n is the normalization constant for nth KK-mode which can be readily derived from orthonormality conditions [25,30,31]:…”

Section: Kk-parity Conserving Nmued Scenario In a Nutshellmentioning

confidence: 99%

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R(D(*)) anomalies in light of a nonminimal universal extra dimension

2018

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We estimate contributions from Kaluza-Klein excitations of gauge bosons and physical charge scalar for the explanation of the lepton flavor universality violating excess in the ratios RðDÞ and RðD Ã Þ in 5 dimensional universal extra dimensional scenario with nonvanishing boundary localized terms. This model is conventionally known as nonminimal universal extra dimensional model. We obtain the allowed parameter space in accordance with constraints coming from B c → τν decay, as well as those from the electroweak precision tests.

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“…where Ψ L ðx; yÞ and Ψ R ðx; yÞ are the 5D four component Dirac spinors, which can be expressed in terms of two component spinors [25,30,31,37]:…”

Section: Kk-parity Conserving Nmued Scenario In a Nutshellmentioning

confidence: 99%

“…We start with the action for 5D fermionic fields including their boundary localized kinetic term (BLKT) of strength r f ( [25,30,31,37]):…”

Section: Kk-parity Conserving Nmued Scenario In a Nutshellmentioning

confidence: 99%

“…Here f LðRÞ and g LðRÞ are the KK-wave functions that can be written in the following form [21,25,30,31,35]:…”

Section: Kk-parity Conserving Nmued Scenario In a Nutshellmentioning

confidence: 99%

“…ð5Þ N f n is the normalization constant for nth KK-mode which can be readily derived from orthonormality conditions [25,30,31]:…”

Section: Kk-parity Conserving Nmued Scenario In a Nutshellmentioning

confidence: 99%

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R(D(*)) anomalies in light of a nonminimal universal extra dimension

2018

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“…This is indicative of a separation of chemical freeze-out temperatures between light and strange quark hadrons. Since the ALICE results came from Pb+Pb collisions at √ s NN = 2.7 TeV, the µ B was nearly 0 and the results are suited for comparisons with lattice QCD calculations of higher order quark number susceptibilities χ n [12][13][14] for light and strange quarks [15]. Figure 1 (right panel) shows the dependency of the susceptibility ratios χ 4 /χ 2 for light and strange quarks on temperature T together with corresponding HRG model predictions.…”

Section: Introductionmentioning

confidence: 99%

Strangeness at Intermediate Baryon Density

Tlusty

2018

EPJ Web Conf.

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Abstract.Exploration of the QCD phase diagram has been one of the main programs of contemporary nuclear physics. The intermediate baryon density region covers a broad range of the baryon chemical potential, between 100 and 700 MeV, and is expected to include a possible critial point at the end of a phase equilibrium curve between the hadron gas and quark gluon plasma phases. Experimental programs at the SPS and RHIC facilities have provided valuable insights in this range. These proceedings motivate the exploration of the QCD phase diagram through the use of strangeness. A selection of relevant experimental results from RHIC and SPS beam energy scan programs with associated theoretical predictions is presented along with a discussion of possible physical conclusions and future plans.

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Reconciling dark matter, $$ {R}_{K^{\left(\ast \right)}} $$ anomalies and (g − 2)μ in an Lμ − Lτ scenario

Biswas

Shaw

2019

J. High Energ. Phys.

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We propose an anomaly free unified scenario by invocation of an extra local U(1) Lµ−Lτ gauge symmetry. This scenario simultaneously resolves the R K (*) anomalies, the dark matter puzzle and the long-standing discrepancy in muon's anomalous magnetic moment. A complex scalar (η) having nonzero L µ − L τ charge has been introduced to break this new U(1) symmetry spontaneously. Moreover, for the purpose of studying dark matter phenomenology and R K (*) anomalies in a correlated manner, we introduce an inert SU(2) L scalar doublet (Φ), a Z 2-odd real singlet scalar (S) and a Z 2-odd coloured fermion (χ) which transforms vectorially under the U(1) Lµ−Lτ symmetry. This extra gauge symmetry provides a new gauge boson Z µτ which not only gives additional contribution to both b → s transition and (g − 2) µ but also provides a crucial annihilation channel for dark matter candidate ρ 1 of the present scenario. This ρ 1 is an admixture of CPeven neutral component of Φ and S. Our analysis shows that the low mass dark matter regime (M ρ 1 60 GeV) is still allowed by the experiments like XENON1T, LHC (via Higgs invisible branching) and Fermi-LAT, making the dark matter phenomenology drastically different from the standard Inert Doublet and the Scalar Singlet models. Furthermore, the present model is also fairly consistent with the observed branching ratio of B → X s γ in 3σ range and is quite capable of explaining neutrino masses and mixings via Type-I seesaw mechanism if we add three right handed neutrinos in the particle spectrum. Finally, we use the latest ATLAS data of non-observation of a resonant + − signal at the 13 TeV LHC to constrain the mass-coupling plane of Z µτ .

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Effects of nonminimal universal extra dimension on B→Xsγ

Cited by 18 publications

References 104 publications

R(D(*)) anomalies in light of a nonminimal universal extra dimension

R(D(*)) anomalies in light of a nonminimal universal extra dimension

Strangeness at Intermediate Baryon Density

Reconciling dark matter, $$ {R}_{K^{\left(\ast \right)}} $$ anomalies and (g − 2)μ in an Lμ − Lτ scenario

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