Breadcrumb
Vegetation researcher, Niwot Ridge LTER • Research Associate • • Biogeochemistry • Plant/vegetation ecology • Soil science
Bio
Education
- PhD: New Mexico State University, 2014
- BS/BA: University of Colorado Boulder, 2005
Research
Publications
Search for resonant pair production of Higgs bosons decaying to two bottom quark-antiquark pairs in proton-proton collisions at 8TeV
CU Boulder Authors:
Stenson, Kevin M; Wagner, Stephen R; Cumalat, John P; Smith, Jane Griffin; Ulmer, Keith A
All Authors:
Published in: Physics Letters B: Nuclear Physics and Particle PhysicsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Friedl M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Friedl M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-10-07
Type: Journal Article
Evidence for transverse-momentum- and pseudorapidity-dependent event-plane fluctuations in PbPb and pPb collisions
CU Boulder Authors:
Ulmer, Keith A; Wagner, Stephen R; Smith, Jane Griffin; Stenson, Kevin M; Cumalat, John P
All Authors:
Published in: Physical Review CKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Asilar E; Bergauer T; Brandstetter J; Dragicevic M; Ero J; Flechl M...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Asilar E
- Bergauer T
- Brandstetter J
- Dragicevic M
- Ero J
- Flechl M
Publication Date: 2015-09-22
Type: Journal Article
Search for narrow high-mass resonances in proton-proton collisions at √s=8 TeV decaying to a Z and a Higgs boson
CU Boulder Authors:
Stenson, Kevin M; Smith, Jane Griffin; Wagner, Stephen R; Cumalat, John P; Ulmer, Keith A
All Authors:
Published in: Physics Letters B: Nuclear Physics and Particle PhysicsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fried M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fried M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-09-02
Type: Journal Article
Performance of photon reconstruction and identification with the CMS detector in proton-proton collisions at √s=8TeV
CU Boulder Authors:
Stenson, Kevin M; Ulmer, Keith A; Wagner, Stephen R; Cumalat, John P; Smith, Jane Griffin
All Authors:
Published in: Journal of InstrumentationKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Friedl M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Friedl M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-08-01
Type: Journal Article
Constraints on the spin-parity and anomalous HVV couplings of the Higgs boson in proton collisions at 7 and 8 TeV
CU Boulder Authors:
Ulmer, Keith A; Wagner, Stephen R; Stenson, Kevin M; Smith, Jane Griffin; Cumalat, John P
All Authors:
Published in: Physical Review DKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Friedl M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Friedl M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-07-13
Type: Journal Article
Constraints on parton distribution functions and extraction of the strong coupling constant from the inclusive jet cross section in pp collisions at √s=7TeV
CU Boulder Authors:
Stenson, Kevin M; Cumalat, John P; Smith, Jane Griffin; Ulmer, Keith A; Wagner, Stephen R
All Authors:
Published in: European Physical Journal C: Particles and FieldsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Friedl M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Friedl M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-06-26
Type: Journal Article
Searches for third-generation squark production in fully hadronic final states in proton-proton collisions at √s=8 TeV
CU Boulder Authors:
Stenson, Kevin M; Ulmer, Keith A; Smith, Jane Griffin; Wagner, Stephen R; Cumalat, John P
All Authors:
Published in: The Journal of High Energy PhysicsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Asilar E; Bergauer T; Brandstetter J; Brondolin E; Dragicevic M; Eroe J...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Asilar E
- Bergauer T
- Brandstetter J
- Brondolin E
- Dragicevic M
- Eroe J
Publication Date: 2015-06-17
Type: Journal Article
Search for a standard model Higgs boson produced in association with a top-quark pair and decaying to bottom quarks using a matrix element method
CU Boulder Authors:
Cumalat, John P; Smith, Jane Griffin; Wagner, Stephen R; Stenson, Kevin M; Ulmer, Keith A
All Authors:
Published in: European Physical Journal C: Particles and FieldsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Friedl M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Friedl M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-06-09
Type: Journal Article
Nuclear effects on the transverse momentum spectra of charged particles in pPb collisions at √sNN=5.02 TeV
CU Boulder Authors:
Stenson, Kevin M; Cumalat, John P; Smith, Jane Griffin; Ulmer, Keith A; Wagner, Stephen R
All Authors:
Published in: European Physical Journal C: Particles and FieldsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Friedl M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Friedl M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-05-29
Type: Journal Article
Search for physics beyond the standard model in final states with a lepton and missing transverse energy in proton-proton collisions at √s = 8 TeV
CU Boulder Authors:
Wagner, Stephen R; Cumalat, John P; Stenson, Kevin M; Smith, Jane Griffin; Ulmer, Keith A
All Authors:
Published in: Physical Review DKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M; Fruehwirth R...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
- Fruehwirth R
Publication Date: 2015-05-22
Type: Journal Article
Combined Measurement of the Higgs Boson Mass in pp Collisions at √s=7 and 8 TeV with the ATLAS and CMS Experiments
CU Boulder Authors:
Stenson, Kevin M; Wagner, Stephen R; Smith, Jane Griffin; Ulmer, Keith A; Cumalat, John P
All Authors:
Published in: Physical Review LettersAad G; Abbott B; Abdallah J; Abdinov O; Aben R; Abolins M; AbouZeid OS; Abramowicz H; Abreu H; Abreu R...
- Aad G
- Abbott B
- Abdallah J
- Abdinov O
- Aben R
- Abolins M
- AbouZeid OS
- Abramowicz H
- Abreu H
- Abreu R
Publication Date: 2015-05-14
Type: Journal Article
Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV
CU Boulder Authors:
Stenson, Kevin M; Wagner, Stephen R; Ulmer, Keith A; Cumalat, John P; Smith, Jane Griffin
All Authors:
Published in: European Physical Journal C: Particles and FieldsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Friedl M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Friedl M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-05-14
Type: Journal Article
Measurement of the inclusive 3-jet production differential cross section in proton-proton collisions at 7 TeV and determination of the strong coupling constant in the TeV range
CU Boulder Authors:
Stenson, Kevin M; Smith, Jane Griffin; Wagner, Stephen R; Cumalat, John P; Ulmer, Keith A
All Authors:
Published in: European Physical Journal C: Particles and FieldsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M; Fruehwirth R...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
- Fruehwirth R
Publication Date: 2015-05-01
Type: Journal Article
Measurements of differential and double-differential Drell-Yan cross sections in proton-proton collisions at √s=8 TeV
CU Boulder Authors:
Wagner, Stephen R; Cumalat, John P; Stenson, Kevin M; Smith, Jane Griffin; Ulmer, Keith A
All Authors:
Published in: European Physical Journal C: Particles and FieldsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Friedl M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Friedl M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-04-09
Type: Journal Article
Search for physics beyond the standard model in dilepton mass spectra in proton-proton collisions at √s=8 TeV
CU Boulder Authors:
Wagner, Stephen R; Smith, Jane Griffin; Ulmer, Keith A; Stenson, Kevin M; Cumalat, John P
All Authors:
Published in: The Journal of High Energy PhysicsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M; Fruehwirth R...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
- Fruehwirth R
Publication Date: 2015-04-07
Type: Journal Article
Search for supersymmetry using razor variables in events with b-tagged jets in pp collisions at root s=8 TeV
CU Boulder Authors:
Cumalat, John P; Stenson, Kevin M; Ulmer, Keith A; Smith, Jane Griffin; Wagner, Stephen R
All Authors:
Published in: Physical Review DKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Friedl M; Fruehwirth R; Ghete VM...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Friedl M
- Fruehwirth R
- Ghete VM
Publication Date: 2015-03-23
Type: Journal Article
Measurements of jet multiplicity and differential production cross sections of Z plus jets events in proton-proton collisions at √s=7 TeV
CU Boulder Authors:
Ulmer, Keith A; Cumalat, John P; Wagner, Stephen R; Smith, Jane Griffin; Stenson, Kevin M
All Authors:
Published in: Physical Review D: Particles, Fields, Gravitation and CosmologyKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M; Fruehwirth R...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
- Fruehwirth R
Publication Date: 2015-03-11
Type: Journal Article
Performance of the CMS missing transverse momentum reconstruction in pp data at √s=8 TeV
CU Boulder Authors:
Cumalat, John P; Stenson, Kevin M; Ulmer, Keith A; Wagner, Stephen R; Smith, Jane Griffin
All Authors:
Published in: Journal of InstrumentationKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M; Fruehwirth R...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
- Fruehwirth R
Publication Date: 2015-02-01
Type: Journal Article
Identification techniques for highly boosted W bosons that decay into hadrons
CU Boulder Authors:
Ulmer, Keith A; Wagner, Stephen R; Cumalat, John P; Stenson, Kevin M; Smith, Jane Griffin
All Authors:
Published in: The Journal of High Energy PhysicsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M; Fruehwirth R...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
- Fruehwirth R
Publication Date: 2014-12-02
Type: Journal Article
Search for supersymmetry with razor variables in pp collisions at √s=7 TeV
CU Boulder Authors:
Smith, Jane Griffin; Ford, William T; Ulmer, Keith A; Cumalat, John P; Wagner, Stephen R; Stenson, Kevin M
All Authors:
Published in: Physical Review DChatrchyan S; Khachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M...
- Chatrchyan S
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
Publication Date: 2014-12-01
Type: Journal Article
Measurement of pseudorapidity distributions of charged particles in proton-proton collisions at √s=8 TeV by the CMS and TOTEM experiments
CU Boulder Authors:
Cumalat, John P; Ulmer, Keith A; Wagner, Stephen R; Smith, Jane Griffin; Stenson, Kevin M
All Authors:
Published in: European Physical Journal C: Particles and FieldsChatrchyan S; Khachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M...
- Chatrchyan S
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
Publication Date: 2014-10-29
Type: Journal Article
Search for neutral MSSM Higgs bosons decaying to a pair of tau leptons in pp collisions
CU Boulder Authors:
Stenson, Kevin M; Smith, Jane Griffin; Wagner, Stephen R; Ulmer, Keith A; Ford, William T; Cumalat, John P
All Authors:
Published in: The Journal of High Energy PhysicsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M; Fruehwirth R...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
- Fruehwirth R
Publication Date: 2014-10-28
Type: Journal Article
Measurement of the ratio of inclusive jet cross sections using the anti-kT algorithm with radius parameters R=0.5 and 0.7 in pp collisions at √s=7 TeV
CU Boulder Authors:
Wagner, Stephen R; Cumalat, John P; Ulmer, Keith A; Ford, William T; Smith, Jane Griffin; Stenson, Kevin M
All Authors:
Published in: Physical Review D: Particles, Fields, Gravitation and CosmologyChatrchyan S; Khachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M...
- Chatrchyan S
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
Publication Date: 2014-10-16
Type: Journal Article
Observation of the diphoton decay of the Higgs boson and measurement of its properties
CU Boulder Authors:
Cumalat, John P; Stenson, Kevin M; Ford, William T; Smith, Jane Griffin; Wagner, Stephen R; Ulmer, Keith A
All Authors:
Published in: European Physical Journal C: Particles and FieldsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Friedl M; Fruehwirth R...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Friedl M
- Fruehwirth R
Publication Date: 2014-10-15
Type: Journal Article
Searches for electroweak production of charginos, neutralinos, and sleptons decaying to leptons and W, Z, and Higgs bosons in pp collisions at 8 TeV
CU Boulder Authors:
Ulmer, Keith A; Smith, Jane Griffin; Stenson, Kevin M; Wagner, Stephen R; Cumalat, John P
All Authors:
Published in: European Physical Journal C: Particles and FieldsKhachatryan V; Sirunyan AM; Tumasyan A; Adam W; Bergauer T; Dragicevic M; Eroe J; Fabjan C; Fried M; Fruehwirth R...
- Khachatryan V
- Sirunyan AM
- Tumasyan A
- Adam W
- Bergauer T
- Dragicevic M
- Eroe J
- Fabjan C
- Fried M
- Fruehwirth R
Publication Date: 2014-09-26
Type: Journal Article