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Title: Precision probes of QCD at high energies

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3];  [3]
  1. European Organization for Nuclear Research (CERN), Geneva (Switzerland). Theory Division
  2. Rutgers Univ., Piscataway, NJ (United States). New High Energy Theory Center
  3. New York Univ. (NYU), NY (United States). Center for Cosmology and Particle Physics

New physics, that is too heavy to be produced directly, can leave measurable imprints on the tails of kinematic distributions at the LHC.We use energetic QCD processes to perform novel measurements of the Standard Model (SM) Effective Field Theory. We show that the dijet invariant mass spectrum, and the inclusive jet transverse momentum spectrum, are sensitive to a dimension 6 operator that modifies the gluon propagator at high energies. The dominant effect is constructive or destructive interference with SM jet production. Here, we compare differential next-to-leading order predictions from POWHEG to public 7TeV jet data, including scale, PDF, and experimental uncertainties and their respective correlations. Furthermore, we constrain a New Physics (NP) scale of 3.5TeV with current data. We project the reach of future 13 and 100TeV measurements, which we estimate to be sensitive to NP scales of 8 and 60TeV, respectively. As an application, we apply our bounds to constrain heavy vector octet colorons that couple to the QCD current. We conclude that effective operators will surpass bump hunts, in terms of coloron mass reach, even for sequential couplings.

Research Organization:
Rutgers Univ., Piscataway, NJ (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0010008
OSTI ID:
1392994
Journal Information:
Journal of High Energy Physics (Online), Vol. 2017, Issue 7; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 29 works
Citation information provided by
Web of Science

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Cited By (14)

Consistent searches for SMEFT effects in non-resonant dijet events journal January 2018
Broad composite resonances and their signals at the LHC journal October 2019
Impact of unidentified light charged hadron data on the determination of pion fragmentation functions journal February 2019
Prospects for precision measurement of diboson processes in the semileptonic decay channel in future LHC runs journal March 2019
B-decay anomalies in Pati–Salam SU(4) journal March 2018
Towards ultimate parton distributions at the high-luminosity LHC journal November 2018
Diboson at the LHC vs LEP text January 2018
Diboson at the LHC vs LEP journal March 2019
Consistent Searches for SMEFT Effects in Non-Resonant Dijet Events text January 2017
Towards Ultimate Parton Distributions at the High-Luminosity LHC text January 2018
New Physics from High Energy Tops text January 2018
Impact of unidentified light charged hadron data on the determination of pion fragmentation functions text January 2019
Broad composite resonances and their signals at the LHC text January 2019
Gauge leptoquark as the origin of B-physics anomalies text January 2017

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