Quark Production Cross Section $-$ Accelerator Searches INSPIRE search

X-SECT (cm${}^{2}$) CHG ${\mathrm {(\mathit e/3)}}$ MASS ${\mathrm {(GeV)}}$ ENERGY ${\mathrm {(GeV)}}$ BEAM EVTS DOCUMENT ID TECN
$ \text{<1.7-2.3E-39} $ $\pm2$ $100 - 600$ $7000$ ${{\mathit p}}{{\mathit p}}$ 0 1
CHATRCHYAN
2013AR
CMS
$ \text{<14-5.4E-39} $ $\pm1$ $100 - 600$ $7000$ ${{\mathit p}}{{\mathit p}}$ 0 1
CHATRCHYAN
2013AR
CMS
$ \text{<1.3E-36} $ $\pm2$ $45 - 84$ $\text{130 - 172}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ 0
ABREU
1997D
DLPH
$ \text{<2.E-35} $ $+2$ $250$ $1800$ ${{\mathit p}}{{\overline{\mathit p}}}$ 0 2
ABE
1992J
CDF
$ \text{<1.E-35} $ $+4$ $250$ $1800$ ${{\mathit p}}{{\overline{\mathit p}}}$ 0 2
ABE
1992J
CDF
$ \text{<3.8E-28} $ $14.5$ ${}^{28}\mathrm {Si}-$Pb 0 3
HE
1991
PLAS
$ \text{<3.2E-28} $ $14.5$ ${}^{28}\mathrm {Si}-$Cu 0 3
HE
1991
PLAS
$ \text{<1.E-40} $ $\pm1$,2 $<10$ ${{\mathit p}},{{\mathit \nu}},{{\overline{\mathit \nu}}}$ 0
BERGSMA
1984B
CHRM
$ \text{<1.E-36} $ $\pm1$,2 $<9$ $200$ ${{\mathit \mu}}$ 0
AUBERT
1983C
SPEC
$ \text{<2.E-10} $ $\pm2$,4 1$-$3 $200$ ${{\mathit p}}$ 0 4
BUSSIERE
1980
CNTR
$ \text{<5.E-38} $ $+1$,2 $>5$ $300$ ${{\mathit p}}$ 0 5, 6
STEVENSON
1979
CNTR
$ \text{<1.E-33} $ $\pm1$ $<20$ $52$ ${{\mathit p}}{{\mathit p}}$ 0
BASILE
1978
SPEC
$ \text{<9.E-39} $ $\pm1$,2 $<6$ $400$ ${{\mathit p}}$ 0 5
ANTREASYAN
1977
SPEC
$ \text{<8.E-35} $ $+1$,2 $<20$ $52$ ${{\mathit p}}{{\mathit p}}$ 0 7
FABJAN
1975
CNTR
$ \text{<5.E-38} $ $-1$,2 4$-$9 $200$ ${{\mathit p}}$ 0
NASH
1974
CNTR
$ \text{<1.E-32} $ $+2$,4 4$-$24 $52$ ${{\mathit p}}{{\mathit p}}$ 0
ALPER
1973
SPEC
$ \text{<5.E-31} $ $+1$,2,4 $<12$ $300$ ${{\mathit p}}$ 0
LEIPUNER
1973
CNTR
$ \text{<6.E-34} $ $\pm1$,2 $<13$ $52$ ${{\mathit p}}{{\mathit p}}$ 0
BOTT
1972
CNTR
$ \text{<1.E-36} $ $-4$ $4$ $70$ ${{\mathit p}}$ 0
ANTIPOV
1971
CNTR
$ \text{<1.E-35} $ $\pm1$,2 $2$ $28$ ${{\mathit p}}$ 0 8
ALLABY
1969B
CNTR
$ \text{<4.E-37} $ $-2$ $<5$ $70$ ${{\mathit p}}$ 0 4
ANTIPOV
1969
CNTR
$ \text{<3.E-37} $ $-1$,2 2$-$5 $70$ ${{\mathit p}}$ 0 8
ANTIPOV
1969B
CNTR
$ \text{<1.E-35} $ $+1$,2 $<7$ $30$ ${{\mathit p}}$ 0
DORFAN
1965
CNTR
$ \text{<2.E-35} $ $-2$ $<2.5-$5 $30$ ${{\mathit p}}$ 0 9
FRANZINI
1965B
CNTR
$ \text{<5.E-35} $ $+1$,2 $<2.2$ $21$ ${{\mathit p}}$ 0
BINGHAM
1964
HLBC
$ \text{<1.E-32} $ $+1$,2 $<4.0$ $28$ ${{\mathit p}}$ 0
BLUM
1964
HBC
$ \text{<1.E-35} $ $+1$,2 $<2.5$ $31$ ${{\mathit p}}$ 0 9
HAGOPIAN
1964
HBC
$ \text{<1.E-34} $ $+1$ $<2$ $28$ ${{\mathit p}}$ 0
LEIPUNER
1964
CNTR
$ \text{<1.E-33} $ $+1$,2 $<2.4$ $24$ ${{\mathit p}}$ 0
MORRISON
1964
HBC
1  CHATRCHYAN 2013AR limits assume pair-produced long-lived spin-1/2 particles neutral under SU(3)$_{C}$ and SU(2)$_{L}$.
2  ABE 1992J flux limits decrease as the mass increases from 50 to 500 GeV.
3  HE 1991 limits are for charges of the form $\mathit N\pm1$/3 from 23/3 to 38/3.
4  Hadronic or leptonic quarks.
5  Cross section cm${}^{2}$/GeV${}^{2}$.
6  $3 \times 10^{-5}$ $<$lifetime $<1 \times 10^{-3}$ s.
7  Includes BOTT 1972 results.
8  Assumes isotropic cm production.
9  Cross section inferred from flux.
  References:
CHATRCHYAN 2013AR
PR D87 092008 Search for Fractionally Charged Particles in ${{\mathit p}}{{\mathit p}}$ Collisions at $\sqrt {s }$ = 7 TeV
ABREU 1997D
PL B396 315 Search for Stable Heavy Charged Particles in ${{\mathit e}^{+}}{{\mathit e}^{-}}$ Collisions at $\sqrt {s }$ = 130-136, 161 and 172 GeV
ABE 1992J
PR D46 1889 Limits on the Production of Massive Stable Charged Particles
HE 1991
PR C44 1672 Search for Fractional Charge States in High Energy Heavy Fragments Produced in Collisions at 14.5 A GeV ${}^{28}\mathrm {Si}$ with ${}^{}\mathrm {Pb}$ and ${}^{}\mathrm {Cu}$ Target
BERGSMA 1984B
ZPHY C24 217 Experimental Limits on the Production of Fractionally Charged Particles in Proton Nucleus and Neutrino Nucleus Collisions
AUBERT 1983C
PL 133B 461 A Search for Free Quarks in Deep Inelastic Muon Scattering
BUSSIERE 1980
NP B174 1 Particle Production and Search for Longlived Particles in 200 to 240 ${\mathrm {GeV/}}\mathit c$ Proton Nucleon Collisions
STEVENSON 1979
PR D20 82 A Search for Massive, Longlived, Fractionally Charged Particles Produced by 300 GeV Protons
BASILE 1978
NC 45A 171 Search for Quarks in Proton Proton Interactions at $\sqrt {s }$ = 52.5 GeV
ANTREASYAN 1977
PRL 39 513 Search for Quarks Produced with Large Transverse Momentum in 400 GeV Proton Nucleus Collisions
FABJAN 1975
NP B101 349 A Search for Fractionally Charged Particles at the CERN Intersecting Storage Rings
NASH 1974
PRL 32 858 A Search for Fractionally Charged Quarks Produced by 200 and 300 GeV Proton Nuclear Interactions
ALPER 1973
PL 46B 265 Large Angle Production of Stable Particles Heavier than the Proton and a Search for Quarks at the CERN Intersecting Storage Rings
LEIPUNER 1973
PRL 31 1226 Search for Quarks and Heavy Stable Particles Produced at 300 GeV
BOTT 1972
PL 40B 693 Search for Quarks at the CERN Intersecting Storage Rings
ANTIPOV 1971
NP B29 374 Search for Particles with Charge -4/3 (Diquarks) at the IHEP 70 GeV Accelerator
ALLABY 1969B
NC 64A 75 Search for Fractionally Charged Particles using the CERN Proton Synchrotron
ANTIPOV 1969B
PL 30B 576 Further Search for Quarks at the 70 GeV IHEP Accelerator
ANTIPOV 1969
PL 29B 245 Search for the Particles with Fractional Charges (Quarks) at IHEP 70 GeV Accelerator
DORFAN 1965
PRL 14 999 Search for Massive Particle
FRANZINI 1965B
PRL 14 196 Search for Massive Particles Produced in Interactions at 30 BeV
BINGHAM 1964
PL 9 201 An Unsuccessful Search for Fractionally Charged Particles with Mass $\approx{}$ 2.2 GeV
BLUM 1964
PRL 13 353A Search for Fractionally Charged Particles Produced by 27.5 ${\mathrm {GeV/}}\mathit c$ Protons
HAGOPIAN 1964
PRL 13 280 Further Search for Fractionally Charged Particles
LEIPUNER 1964
PRL 12 423 Particles with a Charge of ${1\over 3}$e
MORRISON 1964
PL 9 199 Experimental Limit on the Production by 24 GeV Protons of LongLived Particles with Fractional Electric Charge