Search for Supersymmetry in $pp$ Collisions at $\sqrt{s}=7$ TeV in Events with a Single Lepton, Jets, and Missing Transverse Momentum

Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large missing transverse momentum. The analysis is based on a 4.98 fb(−1) sample of proton–proton collisions at a center-of-mass energy of 7 TeV, obtained with the CMS detector at the LHC. Three separate background estimation methods, each relying primarily on control samples in the data, are applied to a range of signal regions, providing complementary approaches for estimating the background yields. The observed yields are consistent with the predicted standard model backgrounds. The results are interpreted in terms of limits on the parameter space for the constrained minimal supersymmetric extension of the standard model, as well as on cross sections for simplified models, which provide a generic description of the production and decay of new particles in specific, topology based final states.

Note:

Replaced with published version. Added journal reference and DOI

transverse momentum: missing-energy
p p: scattering
new physics: search for
supersymmetry
minimal supersymmetric standard model: parameter space
postulated particle: decay
background
lepton: transverse momentum
CERN LHC Coll
data analysis method

References(48)

Figures(40)

[1]

Search for supersymmetry in $pp$ collisions at $\sqrt{s}=7$ TeV in events with a single lepton, jets, and missing transverse momentum

CMS

Collaboration

•

Serguei Chatrchyan
(
- Yerevan Phys. Inst.
)

et al.

- JHEP 08 (2011) 156
•
e-Print:
- 1107.1870
•
DOI:
- 10.1007/JHEP08(2011)156

[2]

A Supersymmetry primer

Stephen P. Martin
(
- Northern Illinois U. and
- Fermilab
)

- ,
- Adv.Ser.Direct.High Energy Phys. 21 (2010) 1-153,
- Adv.Ser.Direct.High Energy Phys. 18 (1998) 1-98
•
e-Print:
- hep-ph/9709356
•
DOI:
- 10.1142/9789812839657_0001

[3]

Supergauge Transformations in Four-Dimensions

J. Wess
(
- Karlsruhe U.
)
,
B. Zumino
(
- CERN
)

- Nucl.Phys.B 70 (1974) 39-50,
- In *Ferrara, S. (ed.): Supersymmetry, Vol. 1*, 13-24,
•
DOI:
- 10.1016/0550-3213(74)90355-1

[4]

Supersymmetry, Supergravity and Particle Physics

Hans Peter Nilles
(
- Geneva U. and
- CERN
)

- Phys.Rept. 110 (1984) 1-162
•
DOI:
- 10.1016/0370-1573(84)90008-5

[5]

The Search for Supersymmetry: Probing Physics Beyond the Standard Model

Howard E. Haber
(
- UC, Santa Cruz and
- SLAC
)
,
Gordon L. Kane
(
- Michigan U.
)

- Phys.Rept. 117 (1985) 75-263
•
DOI:
- 10.1016/0370-1573(85)90051-1

[6]

Gauge Models with Spontaneously Broken Local Supersymmetry

Riccardo Barbieri
(
- Pisa, Scuola Normale Superiore and
- INFN, Pisa
)
,
S. Ferrara
(
- CERN
)
,
Carlos A. Savoy
(
- Geneva U.
)

- Phys.Lett.B 119 (1982) 343,
- Phys. Lett. B119 (1982) 343-347 and CERN Geneva - TH. 3365 (82,REC.AUG.) 10p,
- IN *FERRARA, S. (ED.): SUPERSYMMETRY, VOL. 2*, 1038-1042. (PHYS. LETT. B119 (1982) 343-347) AND CERN GENEVA - TH. 3365 (82,REC.AUG.) 10 P. (SEE BOOK INDEX)
•
DOI:
- 10.1016/0370-2693(82)90685-2

[7]

Search for Supersymmetric Particles in Hadron - Hadron Collisions

Sally Dawson
(
- Fermilab and
- LBL, Berkeley
)
,
E. Eichten
(
- Fermilab
)
,
C. Quigg
(
- Fermilab
)

- Phys.Rev.D 31 (1985) 1581
•
DOI:
- 10.1103/PhysRevD.31.1581

[8]

Phenomenology of the Production, Decay, and Detection of New Hadronic States Associated with Supersymmetry

Glennys R. Farrar
(
- Caltech
)
,
Pierre Fayet
(
- Caltech
)

- Phys.Lett.B 76 (1978) 575-579
•
DOI:
- 10.1016/0370-2693(78)90858-4

[9]

Dark Matter Candidates from Particle Physics and Methods of Detection

Jonathan L. Feng
(
- UC, Irvine
)

- Ann.Rev.Astron.Astrophys. 48 (2010) 495-545
•
e-Print:
- 1003.0904
•
DOI:
- 10.1146/annurev-astro-082708-101659

[10]

Study of constrained minimal supersymmetry

Gordon L. Kane
(
- Michigan U.
)
,
Christopher F. Kolda
(
- Michigan U.
)
,
Leszek Roszkowski
(
- Michigan U.
)
,
James D. Wells
(
- Michigan U.
)

- Phys.Rev.D 49 (1994) 6173-6210
•
e-Print:
- hep-ph/9312272
•
DOI:
- 10.1103/PhysRevD.49.6173

[11]

Locally Supersymmetric Grand Unification

Ali H. Chamseddine
(
- Northeastern U.
)
,
Richard L. Arnowitt
(
- Northeastern U.
)
,
Pran Nath
(
- Northeastern U.
)

- Phys.Rev.Lett. 49 (1982) 970,
- IN *FERRARA, S. (ED.): SUPERSYMMETRY, VOL. 2*, 1033-1037. (PHYS. REV. LETT. 49 (1982) 970-974)
•
DOI:
- 10.1103/PhysRevLett.49.970