Search for anomalously heavy hydrogen in deep sea water at 4000 m

Yamagata, T.; Takamori, Y.; Utsunomiya, H.

doi:10.1103/physrevd.47.1231

Cited by 54 publications

(53 citation statements)

References 20 publications

(13 reference statements)

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“…This is in agreement with a search (Byrne et al, 2002) for the lower mass bound of the squarks and gluinos about 230 GeV. It is also in agreement with searches (Smith et al, 1982;Yamagata et al, 1993). The reheat temperature can be very low.…”

Section: Stable Anomalously-charged Scalarssupporting

confidence: 90%

A Simple Model of Gauged Lepton and Baryon Charges

Dong¹,

Long²

2015

Physics International

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We propose a simple extension of the standard model with lepton and baryon numbers gauged by introducing only two leptoquarks (j) to the fermion content. As natural consequences of the anomaly cancelation, the right-handed neutrinos present and the number of observed fermion families equals to the number of fundamental colors, which is three. To avoid stabilized colored-leptoquarks, two scalar doublets φ, χ are introduced which couple the leptoquarks to ordinary quarks. The new gauge bosonsZ gain masses via the vacuum values of scalars S L , S B which are only charged under the U(1) L , U(1) B symmetries, respectively. Furthermore, due to the spontaneous symmetry breaking of these charges, the neutrinos obtain small masses via type I seesaw mechanism while the baryogenesis can be generated in several cases. Constraints coming from flavor changing, stabilization of anomalously electriccharged scalars and collision phenomenology are also obtained.

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Section: Stable Anomalously-charged Scalarssupporting

confidence: 90%

A Simple Model of Gauged Lepton and Baryon Charges

Dong¹,

Long²

2015

Physics International

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“…A detailed investigation of this possibility is beyond the scope of this work, but such a strongly interacting dark matter (SIMP) candidate appears to be heavily disfavored as discussed for example in refs. [54][55][56][57][58][59][60].…”

Section: Jhep09(2014)130mentioning

confidence: 99%

Survey of vector-like fermion extensions of the Standard Model and their phenomenological implications

Ellis

Godbole

Gopalakrishna

et al. 2014

J. High Energ. Phys.

108

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With the renewed interest in vector-like fermion extensions of the Standard Model, we present here a study of multiple vector-like theories and their phenomenological implications. Our focus is mostly on minimal flavor conserving theories that couple the vector-like fermions to the SM gauge fields and mix only weakly with SM fermions so as to avoid flavor problems. We present calculations for precision electroweak and vector-like state decays, which are needed to investigate compatibility with currently known data. We investigate the impact of vector-like fermions on Higgs boson production and decay, including loop contributions, in a wide variety of vector-like extensions and their parameter spaces.

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“…The effectiveness of the wide-array detectors in searching for Q-balls is, therefore, limited by the total area of their counters. Searches for stable ultraheavy nuclei in matter [18], which may be suitable for detecting smaller Q-balls (with charges 10 12 10 13 ), afford no limit at present because the mass range of interest, m Q * 10 12 GeV, has never been explored. It would be interesting to see if some of the exotic events in the cosmic rays, e.g., the so called Centauro events [19], the penetrating halo event of the Pamir experiment [19,20], and the ultrahigh energy cosmic rays that appear to defy the Greisen-Zatsepin-Kuzmin bound [21], may be related to the relic Q-balls.…”

mentioning

confidence: 99%