Limits on anomalous<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>WW</mml:mi><mml:mi>γ</mml:mi></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>WWZ</mml:mi></mml:math>couplings

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doi:10.1103/physrevd.58.031102

Cited by 20 publications

(9 citation statements)

References 28 publications

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“…Results from searches for 11 stars with expected sensitivities near the spin-down limits have been obtained from O1 data. 99 In general, these limits are expected and found to be higher than the corresponding upper limits from targeted searches above because the increased parameter space search implies an additonal trials factor. Nonetheless, this narrowband search beat the spin-down limit on the Crab (J0534+2200), Vela (J0835-4510) and J2229+6114.…”

Section: Targeted and Narrowband Searches For Known Pulsarsmentioning

confidence: 89%

“…[163][164][165][166][167] A recent comparison of these methods was carried out via a mock data challenge using initial LIGO data, 168 and these methods have been applied to published searches of the Advanced LIGO O1 data set. 169,170 Figure 4 shows upper limits on strain from five searches (four covering 20-475 Hz and the deeper Einstein@Home covering 20-100 Hz with a smaller spin-down range). Preliminary upper limits, 171 from one of the pipelines (PowerFlux) are also shown for a broader frequency range in Figure 5, with results of comparable sensitivity from multiple pipelines expected to be published soon.…”

Section: All-sky Searches For Isolated Starsmentioning

confidence: 99%

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Recent searches for continuous gravitational waves

2017

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Gravitational wave astronomy opened dramatically in September 2015 with the LIGO discovery of a distant and massive binary black hole coalescence. The more recent discovery of a binary neutron star merger, followed by a gamma ray burst and a kilonova, reinforces the excitement of this new era, in which we may soon see other sources of gravitational waves, including continuous, nearly monochromatic signals. Potential continuous wave (CW) sources include rapidly spinning galactic neutron stars and more exotic possibilities, such as emission from axion Bose Einstein "clouds" surrounding black holes. Recent searches in Advanced LIGO data are presented, and prospects for more sensitive future searches discussed.

show abstract

Section: Targeted and Narrowband Searches For Known Pulsarsmentioning

confidence: 89%

Section: All-sky Searches For Isolated Starsmentioning

confidence: 99%

Recent searches for continuous gravitational waves

2017

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show abstract

“…13.85) GeV in the theoretical calculation. Smearing effects accounting for electromagnetic calorimeter resolution have not been implemented, but given the experimental fractional energy resolution of the electromagnetic calorimeter [36], they are expected to be of the level of a few percent only.…”

Section: Tevatron Collider Datamentioning

confidence: 99%

A full next-to-leading order study of direct photon pair production in hadronic collisions

et al. 2000

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We discuss the production of photon pairs in hadronic collisions, from fixed target to LHC energies. The study which follows is based on a QCD calculation at full next-to-leading order accuracy, including single and double fragmentation contributions, and implemented in the form of a general purpose computer program of "partonic event generator" type. To illustrate the possibilities of this code, we present the comparison with observables measured by the WA70 and D0 collaborations, and some predictions for the irreducible background to the search of Higgs bosons at LHC in the channel h → γγ. We also discuss theoretical scale uncertainties for these predictions, and examine several infrared sensitive situations which deserve further study.

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“…Rare decay modes of the top quark have received considerable attention recently because they might be a source of possible new physics effects to be searched at future colliders. Since the top quark has a mass of about 175 GeV [1], the following rare processes may be kinematically allowed: t → cγ [2], t → cg, cZ [3], t → bW + Z [4], t → cW + W − [4,5], and t → cZZ [5]. Even though Standard Model (SM) predicts the branching fractions for these rare decays to be unobservably small, it is believed that the search for large signatures from flavor-changing neutral currents (FCNC) involving the top quark may serve as a unique test of the SM [5,18].…”

mentioning

confidence: 99%

Testing flavor-changing neutral currents in the rare top quark decayst→cViVj
Díaz-Cruz
¹
,
Pérez
²
,
Tavares‐Velasco
³

et al. 1999
Phys. Rev. D
44
1
20
0
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We discuss the flavor-changing neutral current ͑FCNC͒ decays of the top quark t→cV i V j (V i ϭ␥,Z,g) in the framework of the standard model ͑SM͒ and in a two-Higgs-doublet model ͑2HDM͒ with tree-level FCNC couplings. While in the SM the expected branching ratios are extremely small, in the 2HDM they may be sizable, of order 10 Ϫ4 -10 Ϫ5 , and thus accessible at the CERN Large Hadron Collider. We conclude with the interesting observation that the FCNC decay modes t→cV i V j may not be equally suppressed as their corresponding decays t→cV i in this 2HDM. ͓S0556-2821͑99͒04521-X͔

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Limits on anomalousWWγandWWZcouplings

Cited by 20 publications

References 28 publications

Recent searches for continuous gravitational waves

Recent searches for continuous gravitational waves

A full next-to-leading order study of direct photon pair production in hadronic collisions

Testing flavor-changing neutral currents in the rare top quark decayst→cViVj
Díaz-Cruz
¹
,
Pérez
²
,
Tavares‐Velasco
³

et al. 1999
Phys. Rev. D
44
1
20
0
View full text Add to dashboard Cite

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Limits on anomalousWWγandWWZcouplings

Cited by 20 publications

References 28 publications

Recent searches for continuous gravitational waves

Recent searches for continuous gravitational waves

A full next-to-leading order study of direct photon pair production in hadronic collisions

Testing flavor-changing neutral currents in the rare top quark decayst→cViVjDíaz-Cruz1, Pérez2, Tavares‐Velasco3 et al. 1999Phys. Rev. D441200View full textAdd to dashboardCite

Contact Info

Product

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About

Testing flavor-changing neutral currents in the rare top quark decayst→cViVj
Díaz-Cruz
¹
,
Pérez
²
,
Tavares‐Velasco
³

et al. 1999
Phys. Rev. D
44
1
20
0
View full text Add to dashboard Cite