Search Results - "Tattersall, Jamie"
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1
How low can SUSY go? Matching, monojets and compressed spectra
Published in Europhysics letters (01-09-2012)“…If supersymmetry (SUSY) has a compressed spectrum then the current mass limits from the LHC can be drastically reduced. We consider a possible "worst case"…”
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Journal Article -
2
Refining light stop exclusion limits with W+W− cross sections
Published in Physics letters. B (12-11-2015)“…If light supersymmetric top (stop) quarks are produced at the LHC and decay via on- or off-shell W-bosons they can be expected to contribute to a precision…”
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Journal Article -
3
DeepXS: fast approximation of MSSM electroweak cross sections at NLO
Published in The European physical journal. C, Particles and fields (2020)“…We present a deep learning solution to the prediction of particle production cross sections over a complicated, high-dimensional parameter space. We…”
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Journal Article -
4
SCYNet: testing supersymmetric models at the LHC with neural networks
Published in The European physical journal. C, Particles and fields (01-10-2017)“…SCYNet (SUSY Calculating Yield Net) is a tool for testing supersymmetric models against LHC data. It uses neural network regression for a fast evaluation of…”
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Journal Article -
5
Towards measuring the stop mixing angle at the LHC
Published in The European physical journal. C, Particles and fields (2011)“…We address the question of how to determine the stop mixing angle and its CP-violating phase at the LHC. As an observable we discuss ratios of branching ratios…”
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Journal Article -
6
CheckMATE 2: From the model to the limit
Published in Computer physics communications (01-12-2017)“…We present the latest developments to the CheckMATE program that allows models of new physics to be easily tested against the recent LHC data. To achieve this…”
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7
A framework to create customised LHC analyses within CheckMATE
Published in Computer physics communications (01-11-2015)“…Checkmate is a framework that allows the user to conveniently test simulated BSM physics events against current LHC data in order to derive exclusion limits…”
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Journal Article -
8
CheckMATE: Confronting your favourite new physics model with LHC data
Published in Computer physics communications (01-02-2015)“…In the first three years of running, the LHC has delivered a wealth of new data that is now being analysed. With over 20 fb−1 of integrated luminosity, both…”
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Journal Article -
9
Spying an invisible Higgs boson
Published in Physical review. D, Particles, fields, gravitation, and cosmology (25-02-2015)“…We investigate the potential of multivariate techniques to improve the LHC search for invisible Higgs decays in weak boson fusion. We find that in the coming…”
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Journal Article -
10
Symmetry restored in dibosons at the LHC?
Published in The journal of high energy physics (28-10-2015)“…A bstract A number of LHC resonance search channels display an excess in the invariant mass region of 1.8–2.0 TeV. Among them is a 3.4 σ excess in the fully…”
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Journal Article -
11
Exploring QCD uncertainties when setting limits on compressed supersymmetric spectra
Published in Physical review. D, Particles, fields, gravitation, and cosmology (04-02-2013)“…If supersymmetry (SUSY) has a compressed spectrum the current limits from the LHC can be drastically reduced. We take possible "worst case" scenarios where…”
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Journal Article -
12
‘Stop’ that ambulance! New physics at the LHC?
Published in The journal of high energy physics (01-12-2014)“…A bstract A number of LHC searches now display intriguing excesses. Most prominently, the measurement of the W + W − cross-section has been consistently ∼ 20%…”
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Journal Article -
13
Illuminating dark matter at the ILC
Published in Physical review. D, Particles, fields, gravitation, and cosmology (19-04-2013)“…The weakly interacting massive particle paradigm for dark matter is currently being probed via many different experiments. Direct detection, indirect detection…”
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Journal Article -
14
Early spin determination at the LHC?
Published in Physics letters. B (09-05-2011)“…If signals of new physics are discovered at the LHC it will be crucial to determine the spin structure of the new model. We discuss a method that can help to…”
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Journal Article -
15
How low can SUSY go? Matching, monojets and compressed spectra
Published in Europhysics letters (01-09-2012)“…If supersymmetry (SUSY) has a compressed spectrum then the current mass limits from the LHC can be drastically reduced. The authors consider a possible "worst…”
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Journal Article -
16
Cp-violation in cascade decays at the lhc
Published 01-01-2010“…We study the potential to observe CP-violating effects in various supersymmetric cascade decay chains at the LHC. Asymmetries composed by triple products of…”
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Dissertation -
17
Refining light stop exclusion limits with $W^+W^-$ cross sections
Published 20-05-2015“…If light supersymmetric top (stop) quarks are produced at the LHC and decay via on- or off-shell $W$-bosons they can be expected to contribute to a precision…”
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Journal Article -
18
Probing CP violation with kinematic reconstruction at the LHC
Published in Fortschritte der Physik (01-07-2010)“…We discuss the potential of observing effects of CP‐violation phases in squark decay chains at the LHC [1]. As the CP‐odd observable, we use the asymmetry…”
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Journal Article -
19
Naughty or Nice? The Role of the `N' in the Natural NMSSM for the LHC
Published 16-10-2015“…Phys. Rev. D 93, 055018 (2016) In this work, we present mass limits on gluinos and stops in a natural Next-to-Minimal Supersymmetric Standard Model (NMSSM)…”
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Journal Article -
20
DeepXS: Fast approximation of MSSM electroweak cross sections at NLO
Published 18-10-2018“…We present a deep learning solution to the prediction of particle production cross sections over a complicated, high-dimensional parameter space. We…”
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Journal Article