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doi:10.1103/physrevd.79.011101

Cited by 81 publications

(65 citation statements)

References 5 publications

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“…1 to obtain the parameters c i . The statistical significance of an excess in any specific region of the m j j spectrum is computed using the BUMPHUNTER algorithm [3,4]. An alternate search strategy involves the utilization of the boosted topology, in addition to requiring an ISR jet to suppress trigger rates.…”

Section: Low-mass Dijet Searchesmentioning

confidence: 99%

Search for new physics in dijet and multijet final states using data collected at $\sqrt{s}$ = 13 TeV with the ATLAS and CMS detectors

Bhattacharya¹,

Collaborations²

2017

Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)

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In the Standard Model of Particle Physics (SM), 2 → 2 processes are described well by Quantum Chromodynamics. Any departure from SM expectations implies the existence of New Physics (NP). We present the search for NP in dijet final states in both high mass and low mass regimes. The use of novel jet substructure techniques to probe very low values of the dijet mass are discussed. The search for new physics in four-jet final states is presented. The search for microscopic black holes in energetic multijet final states is shown. Finally, a search for NP with heavy flavor jets is included. These analyses utilize between 2.3 to 15.7 fb −1 of data collected at √ s = 13 TeV using the ATLAS and the CMS detectors at the Large Hadron Collider at CERN. In the absence of a significant excess of events in data, a wide variety of signal models are excluded. These results represent the most stringent limits on NP scenarios in jet-based final states.

show abstract

Section: Low-mass Dijet Searchesmentioning

confidence: 99%

Search for new physics in dijet and multijet final states using data collected at $\sqrt{s}$ = 13 TeV with the ATLAS and CMS detectors

Bhattacharya¹,

Collaborations²

2017

Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)

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show abstract

“…Thus, out of the N events = 280 events inside the dashed circle with r = √ 2, on average we will have ρ N events /(ρ + 1) = 240 events in the dense interior region (the unit circle) and N events /(ρ + 1) = 40 events within the sparse exterior hollow disk. 10 Footnote 9 continued Appendix A) was that the RSD variable,σ i , was optimal among all those choices. 10 Since our plots are rectangular, in Fig.…”

Section: A Circular Boundary In Two Dimensionsmentioning

confidence: 99%

“…10 Footnote 9 continued Appendix A) was that the RSD variable,σ i , was optimal among all those choices. 10 Since our plots are rectangular, in Fig. 5 we have extended the exterior region beyond r = √ 2, populating the additional real estate with the …”

Section: A Circular Boundary In Two Dimensionsmentioning

confidence: 99%

See 1 more Smart Citation

Identifying phase-space boundaries with Voronoi tessellations

et al. 2016

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Determining the masses of new physics particles appearing in decay chains is an important and longstanding problem in high energy phenomenology. Recently it has been shown that these mass measurements can be improved by utilizing the boundary of the allowed region in the fully differentiable phase space in its full dimensionality. Here we show that the practical challenge of identifying this boundary can be solved using techniques based on the geometric properties of the cells resulting from Voronoi tessellations of the relevant data. The robust detection of such phase-space boundaries in the data could also be used to corroborate a new physics discovery based on a cut-and-count analysis.

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“…The E miss T is calculated using calorimeter energy clusters [41] calibrated according to the reconstructed physics object to which they are associated [42]; events are required to satisfy E miss T > 25 GeV. The background contribution from multiple hadron jets (multijet background) is reduced by imposing a requirement on the sum of the W boson transverse mass m T ðWÞ [43] and E miss T : m T ðWÞ þ E miss T > 60 GeV [32].…”

mentioning

confidence: 99%