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Relevant bibliographies by topics / Lepton number

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Journal articles

Academic literature on the topic 'Lepton number'

Author: Grafiati

Published: 14 March 2023

Last updated: 12 June 2025

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Journal articles on the topic "Lepton number"

1

Christos, GA. "Bound on the Number of Flavours." Australian Journal of Physics 38, no. 1 (1985): 23. http://dx.doi.org/10.1071/ph850023.

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If one imposes the permutation symmetry S. (n is the number of lepton flavours) reducibly on. the different families (e, /1, r, ... ), it follows that at least two leptons have the same mass if n > 6. If equal lepton masses are excluded, this implies a bound on the number of flavours.

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2

ROBSON, B. A. "A GENERATION MODEL OF THE FUNDAMENTAL PARTICLES." International Journal of Modern Physics E 11, no. 06 (2002): 555–66. http://dx.doi.org/10.1142/s0218301302001125.

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A new classification of the fundamental particles based upon the use of only three additive quantum numbers (charge, particle number, generation quantum number) compared with the nine additive quantum numbers of the Standard Model (charge, lepton number, muon lepton number, tau lepton number, baryon number, strangeness, charm, bottomness, topness) is presented. This classification provides a new basis for the weak isospin symmetry characteristic of both leptons and quarks.

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3

KLAPDOR-KLEINGROTHAUS, H. V., ERNEST MA, and UTPAL SARKAR. "BARYON AND LEPTON NUMBER VIOLATION WITH SCALAR BILINEARS." Modern Physics Letters A 17, no. 33 (2002): 2221–28. http://dx.doi.org/10.1142/s0217732302008757.

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We consider all possible scalar bilinears, which couple to two fermions of the standard model. The various baryon and lepton number violating couplings allowed by these exotic scalars are studied. We then discuss which are constrained by limits on proton decay (to a lepton and a meson as well as to three leptons), neutron–antineutron oscillations, and neutrinoless double beta decay.

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4

López Castro, G., and N. Quintero. "Lepton number violation in tau lepton decays." Nuclear Physics B - Proceedings Supplements 253-255 (August 2014): 12–15. http://dx.doi.org/10.1016/j.nuclphysbps.2014.09.004.

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5

ROSEN, GERALD. "IS LEPTON-QUARK MASS PRESET BY A CHARGE-NUMBER RELATION?" Modern Physics Letters A 11, no. 20 (1996): 1687–89. http://dx.doi.org/10.1142/s0217732396001673.

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It is shown that a simple expression for m that depends exclusively on the charge-number Q gives experimentally admissible zero mass for the three neutrinos and accurately consistent mass values for the charged leptons and quarks over the five order-of-magnitude range characterized by the ratio mt/me≅3.6×105. Since this charge-number relation is patently predictive, with 12 fermion masses constituting substantial output relative to the postulational input, lepton and quark mass may indeed be preset by this charge-number condition. Hence, lepton-quark mass may actually be primary to the phenomenological standard model Lagrangian.

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6

FALCONE, D. "LEPTON NUMBER AND LEPTON FLAVOR VIOLATIONS IN SEESAW MODELS." Modern Physics Letters A 17, no. 37 (2002): 2467–75. http://dx.doi.org/10.1142/s0217732302009180.

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We discuss the impact of fermion mass matrices on some lepton number violating processes, namely baryogenesis via leptogenesis and neutrinoless double beta decay, and on some lepton flavor violating processes, namely radiative lepton decays in supersymmetric seesaw models.

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7

Adeva, B. "Lepton Number Violation and Lepton Flavour Violation at LHCb." Journal of Physics: Conference Series 447 (July 24, 2013): 012062. http://dx.doi.org/10.1088/1742-6596/447/1/012062.

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8

Yoshimura, M. "B-L genesis by sliding inflaton." Journal of Cosmology and Astroparticle Physics 2022, no. 08 (2022): 080. http://dx.doi.org/10.1088/1475-7516/2022/08/080.

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Abstract We propose a new mechanism of lepton (L) number asymmetry generation, hence offer an explanation of matter-antimatter imbalance when a significant amount of baryon number is later transformed from this L-number by known electroweak sphaleron mediated process. The basic theoretical framework is a recently proposed multiple scalar-tensor gravity that dynamically solves the cosmological constant problem. The L-asymmetry generation in one of two proposed scenarios is triggered by dynamical relaxation of scalar inflaton field towards the zero cosmological constant. CPT violation (C = charge conjugation, P = parity operation, T = time reversal) in the presence of a chemical potential gives the necessary time arrow, and lepton number violating scattering in cosmic thermal medium generates a net cosmological L-number via resonance formation. Another scenario is L-asymmetry generation from evaporating primordial black holes. These proposed mechanisms do not require CP violating phases in physics beyond the standard model: the new required physics is existence of heavy Majorana leptons of masses 1015 ∼ 1017 GeV that realizes the seesaw mechanism. We identify the cosmological epoch of lepto-genesis in two scenarios, which may give the right amount of observed baryon to entropy ratio. It might even be possible to experimentally determine microscopic physics parameter, masses of three heavy Majorana leptons by observing astrophysical footprints of primordial black hole evaporation at specified hole masses.

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9

Witten, Edward. "Lepton number and neutrino masses." Nuclear Physics B - Proceedings Supplements 91, no. 1-3 (2001): 3–8. http://dx.doi.org/10.1016/s0920-5632(00)00916-6.

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10

Plümacher, Michael. "Baryogenesis and lepton number violation." Zeitschrift f�r Physik C Particles and Fields 74, no. 3 (1997): 549–59. http://dx.doi.org/10.1007/s002880050418.

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