Measurement of the high mass Drell-Yan cross-section and limits on quark electron compositeness scales

We present a measurement of the Drell-Yan cross section at high dielectron invariant mass using 120/pb of data collected in pbar-p collisions at sqrt(s) = 1.8 TeV by the D0 collaboration during 1992-96. No deviation from standard model expectations is observed. We use the data to set limits on the energy scale of quark-electron compositeness with common constituents. The 95% confidence level lower limits on the compositeness scale vary between 3.3 TeV and 6.1 TeV depending on the assumed form of the effective contact interaction.

Note:

6 pages, 2 figures, submitted to PRL

D0
anti-p p: colliding beams
anti-p p: inclusive reaction
electron: pair production
Drell-Yan process
electroweak interaction: validity test
quark: composite
electron: composite
lower limit
DZERO

References(21)

Figures(2)

Massive Lepton Pair Production in Hadron-Hadron Collisions at High-Energies

S.D. Drell
(
- SLAC
)
,
Tung-Mow Yan
(
- SLAC
)

- Phys.Rev.Lett. 25 (1970) 316-320,
- Phys.Rev.Lett. 25 (1970) 902 (erratum)
•
DOI:
- 10.1103/PhysRevLett.25.316

New Tests for Quark and Lepton Substructure

E. Eichten
(
- Fermilab and
- Chicago U., EFI
)
,
Kenneth D. Lane
(
- Ohio State U.
)
,
Michael E. Peskin
(
- SLAC
)

- Phys.Rev.Lett. 50 (1983) 811-814,
•
DOI:
- 10.1103/PhysRevLett.50.811

- Rev.Mod.Phys. 56 4

One loop QCD correction for inclusive jet production and Drell-Yan process in composite models

Taekoon Lee
(
- Fermilab
)

- Phys.Rev.D 55 (1997) 2591-2601
•
e-Print:
- hep-ph/9605429
•
DOI:
- 10.1103/PhysRevD.55.2591

Observation of events at very high $Q^{2}$ in $e p$ collisions at HERA

H1

Collaboration

•

C. Adloff

et al.

- Z.Phys.C 74 (1997) 191-206
•
e-Print:
- hep-ex/9702012
•
DOI:
- 10.1007/s002880050383

Comparison of ZEUS data with standard model predictions for $e^{+} p \to e^{+} X$ scattering at high x and $Q^{2}$

ZEUS

Collaboration

•

J. Breitweg
(
- Argonne
)

et al.

- Z.Phys.C 74 (1997) 207-220
•
e-Print:
- hep-ex/9702015
•
DOI:
- 10.1007/s002880050384

Limits on quark-lepton compositeness scales from dileptons produced in 1.8 TeV $p\bar{p}$ collisions

CDF

Collaboration

•

F. Abe
(
- KEK, Tsukuba
)

et al.

- Phys.Rev.Lett. 79 (1997) 2198-2203
•
DOI:
- 10.1103/PhysRevLett.79.2198

Production of fermion pair events in e+ e- collisions at 161-GeV center-of-mass energy

OPAL

Collaboration

•

K. Ackerstaff

et al.

- Phys.Lett.B 391 (1997) 221-234
•
DOI:
- 10.1016/S0370-2693(97)81627-9

The D0 Detector

D0

Collaboration

•

S. Abachi

et al.

- Nucl.Instrum.Meth.A 338 (1994) 185-253
•
DOI:
- 10.1016/0168-9002(94)91312-9

High-energy physics event generation with PYTHIA 5.7 and JETSET 7.4

Torbjorn Sjostrand
(
- CERN
)

- Comput.Phys.Commun. 82 (1994) 74-90,
- CERN Geneva - TH. 7111 (93/12,rec.Jan.94) 17 p. and e: CERN th-7111-93
•
DOI:
- 10.1016/0010-4655(94)90132-5

A measurement of the $W$ boson mass

D0

Collaboration

•

B. Abbott
(
- New York U.
)

et al.

- Phys.Rev.D 58 (1998) 092003
•
e-Print:
- hep-ex/9712029
•
DOI:
- 10.1103/PhysRevD.58.092003

Parton distributions of the proton

- Phys.Rev.D 50 (1994) 6734-6752
•
e-Print:
- hep-ph/9406315
•
DOI:
- 10.1103/PhysRevD.50.6734

Parton distributions for low Q**2

- Phys.Rev.D 51 (1995) 4756-4762
•
e-Print:
- hep-ph/9409410
•
DOI:
- 10.1103/PhysRevD.51.4756

A complete calculation of the order $\alpha-s^{2}$ correction to the Drell-Yan $K$ factor

- Nucl.Phys.B 359 (1991) 343-405,
- Nucl.Phys.B 644 (2002) 403-404 (erratum)
•
DOI:
- 10.1016/0550-3213(91)90064-5

Parity violation in muonic atoms and cesium

Paul Langacker
(
- Pennsylvania U.
)

- Phys.Lett.B 256 (1991) 277-283
•
DOI:
- 10.1016/0370-2693(91)90688-M

A Comprehensive study of leptoquark bounds

Miriam Leurer
(
- Weizmann Inst.
)

- Phys.Rev.D 49 (1994) 333-342
•
e-Print:
- hep-ph/9309266
•
DOI:
- 10.1103/PhysRevD.49.333

Comments on the high $Q^{2}$ HERA anomaly

- Phys.Lett.B 402 (1997) 367-373
•
e-Print:
- hep-ph/9703299
•
DOI:
- 10.1016/S0370-2693(97)00371-7

Contact interactions and high $Q^{2}$ events in $e^{+} p$ collisions at HERA

Vernon D. Barger
(
- Wisconsin U., Madison
)
,
King-man Cheung
(
- Texas U.
)
,
Kaoru Hagiwara
(
- Wisconsin U., Madison and
- KEK, Tsukuba and
- Tokyo U., ICEPP
)
,
D. Zeppenfeld
(
- Wisconsin U., Madison
)