Probing new physics with long-lived charged particles produced by atmospheric and astrophysical neutrinos

Ando, Shinʼichiro; Beacom, J. F.; Profumo, Stefano; Rainwater, D.

doi:10.1088/1475-7516/2008/04/029

Cited by 23 publications

(38 citation statements)

References 105 publications

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“…We also discuss uncertainties in the QCD approach, and compare our results with the uncertainty band of Ref. [6] in Section IV.…”

Section: Introductionmentioning

confidence: 86%

“…In Ref. [6], Ando et al have suggested that the high energy atmospheric neutrino flux may be large enough to produce quasistable charged particles that are potentially detectable in the IceCube [7] neutrino detector. As a background to high energy sources or as a flux to produce exotic particles in the Earth, it is useful to re-evaluate the high energy component of the atmospheric neutrino flux.…”

Section: Introductionmentioning

confidence: 99%

“…[6] would require the highest fluxes in the lighter band. Our evaluation of the prompt neutrino flux indicates that the upper limit of Ref.…”

mentioning

confidence: 99%

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Prompt neutrino fluxes from atmospheric charm

2008

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We calculate the prompt neutrino flux from atmospheric charm production by cosmic rays, using the dipole picture in a perturbative QCD framework, which incorporates the parton saturation effects present at high energies. We compare our results with the next-to-leading order perturbative QCD result and find that saturation effects are large for neutrino energies above 10 6 GeV, leading to a substantial suppression of the prompt neutrino flux. We comment on the range of prompt neutrino fluxes due to theoretical uncertainties.

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“…We also discuss uncertainties in the QCD approach, and compare our results with the uncertainty band of Ref. [6] in Section IV.…”

Section: Introductionmentioning

confidence: 86%

Section: Introductionmentioning

confidence: 99%

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Prompt neutrino fluxes from atmospheric charm

2008

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“…In SUSY theories where the LSP is the gravitino and the next-to-LSP (NLSP) is a longlived charged particle (typically a slepton), e.g. in gauge mediation models [138], the diffuse flux of UHE neutrinos interacting with the Earth could produce pairs of slepton NLSPs which could be detected in neutrino telescopes [70][71][72][73][74][75]. The basic process involves the tchannel production of a slepton and a squark via gaugino exchange, see Fig.…”

Section: Long-lived Charged Sparticlesmentioning

confidence: 99%

Signatures of Supersymmetry in Neutrino Telescopes

Dev¹

2020

Probing Particle Physics With Neutrino Telescopes

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We review the prospects of probing R-parity violating Supersymmetry (RPV SUSY) at neutrino telescopes using some of the highest energy particles given to us by Nature. The presence of RPV interactions involving ultra-high energy neutrinos with Earth-matter can lead to resonant production of TeV-scale SUSY partners of the SM quarks and leptons (squarks and sleptons), thereby giving rise to potentially anomalous behavior in the event spectrum observed by largevolume neutrino detectors, such as IceCube, as well as balloon-borne cosmic ray experiments, such as ANITA. Using the ultra-high energy neutrino events observed recently at IceCube, with the fact that for a given power-law flux of astrophysical neutrinos, there is no statistically significant deviation in the current data from the Standard Model expectations, we derive robust upper limits on the RPV couplings as a function of the resonantly-produced squark mass, independent of the other unknown model parameters, as long as the squarks decay dominantly to two-body final states involving leptons and quarks through the RPV couplings. Also, we discuss RPV SUSY interpretations of the recent anomalous, upward-going EeV air showers observed at ANITA, in terms of long-lived charged or neutral next-to-lightest SUSY particles.

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“…The presence of such particles is predicted in many notable models beyond the standard model, although its identity depends on the models one assumes. CHAMP hunting is indeed one of the major issues of the high energy experiments, and its collider phenomenology is enthusiastically studied [1][2][3][4][5][6][7][8][9][10][11][12][13][14]; it also motivates other researches including neutrino telescope observations [15][16][17] and cosmology [18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%