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John Alison

Assistant Professor in High Energy Physics

ºÚÁÏÕýÄÜÁ¿ Me

I am an assistant professor in the High Energy Physics group at ºÚÁÏÕýÄÜÁ¿. I work on the CMS experiment at the Large Hadron Collider (LHC).

Previously, I was postdoc at the and I received my PhD from the .

Work


CMS









Di-Higgs








  
  
  
  
  
  

HGCal






ºÚÁÏÕýÄÜÁ¿




  
  
  
  Website Update   
  Physics Course Catalog
  

B-Jet Trigger




  
   Billoir Vertex Fitting

FTK










Notes





            



Public Talks

(La Thuile, Winter 2018)
(Spring 2017)
(Seminar Fall 2016)
(Colloquium Spring 2017)
(Pheno 2016: Spring 2016, Pittsburgh)
(APS: Division of Particles and Fields: Summer 2015, Ann Arbor)
(APS: Division of Particles and Fields: Summer 2015, Ann Arbor)
(Higgs Exotic Decay Working Group: Spring 2015, fermilab)
(Seminar Spring 2015: Chicago / UPenn / Pittsburgh )
(Chicago-land workshop for ATLAS Run-2 physics.)
(Summary for ATLAS+CMS, Higgs Couplings 2014.)
(UChicago HEP Seminar, Fall 2013.)
(Apsen HEP Higgs Quo Vadis, March 2013)
(General Physics/HEP Audiance, UC HEP Lunch Seminar January 14th.)
(General Physics Audiance)
(High School Kids, Quark Net at Penn. 1 July, 2012)
(3rd Graders at Greenfield Elementary. May, 2012)
(HEP Seminar at Berkeley (LBNL RPM). 12 January 2012)
(Funding agencies, USLUO lighting round)
(HEP Physicist, Moriond EW March 2011)
(HEP Physicist, APS May 2009)
(HEP Physicist ACAT, November 2008)


Selected Publications


Search for pair production of Higgs bosons in the 4b final state at 13 TeV with the ATLAS detector




Updated di-Higgs search with major improvements
   targeting low-mass
Strongest limits on non- resonant HH production





Search for resonances in the mass distribution of jet pairs with one or two jets identified as b-jets at 13 TeV with the ATLAS detector




Search for b-jet resonances at both high-mass (> 1 TeV) and
low-mass (< 1 TeV) using b-jet triggers.






Performance of the ATLAS Trigger System in 2015


Documents the performance of ATLAS triggers in
  Run-2 data taking.


Searches for low-mass di-jet resonances



Searches for low-mass di-jets resonances motivited by
simple models consistent with the observed Dark Matter
relic abundance .


 

 

 

Search for pair production of Higgs bosons in the 4b final state using p-p collisions at 13 TeV with the ATLAS detector




1st di-Higgs publication at 13 TeV, extended
 sensitivity for low and high-mass HH resonances.






Search for strong gravity in multi-jet final states produced in pp collisions at 13 TeV using the ATLAS detector




One of the first searches for new physics at 13 TeV.
Dramatic extension in sensitivity over Run-1.









Search for New Phenomena in Dijet Mass and Angular Distributions with the ATLAS Detector at 13 TeV,




First search for new physics at 13 TeV.
Large increase in reach with higher energy.








Fast TracKer (FTK) Technical Design Report




Documents expected performance and technical
details of hardware-based track-trigger upgrade.





Searches for Higgs boson pair production in the HH → bbττ, γγWW, γγbb, bbbb channels with the ATLAS detector




Run-1 legacy HH combination.



Search for Higgs boson pair production in the 4b final state at 8 TeV with the ATLAS detector,

1st HH publication in 4b final state.



Measurements of Higgs boson production and couplings in diboson final states with the ATLAS detector




Combination of Higgs coupling measurements to
vector bosons with the Run-1 data-set.





Observation and measurement of Higgs boson decays to WW with the ATLAS detector




Run-1 legacy H → WW paper
Most precise Run-1 Higgs signal strength measurement.





Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector.




Discovery of the Higgs boson.






Measurement of the WW cross section at 7 TeV and limits on anomalous gauge couplings




First constraints on anomalous gauge couplings in the WW channel.





Electron reconstruction and identification efficiency measurements with the ATLAS detector,




Documents electron identification algorithms default
in Run-1 analyses.





Measurement of the W and Z cross sections at 7 TeV with the ATLAS detector




First electro-weak measurements from ATLAS.





The ATLAS Inner Detector commissioning and calibration




Documents commission and performance of the
Inner Detector before LHC turn on.




Getting in touch

Post

Department of Physics
Carnegie Mellon University
5000 Forbes Ave
Pittsburgh, PA 15213

Email

johnalison@cmu.edu

Phone

US: +1 412-657-1060

Skype

johndalison

Office

7420 Wean