# Quark Differential Production Cross Section $-$ Accelerator Searches INSPIRE search

X-SECT (cm${}^{2}$sr${}^{-1}$GeV${}^{-1}$) CHG ${\mathrm {\mathit e/3}}$ MASS ${\mathrm {(GeV)}}$ ENERGY ${\mathrm {(GeV)}}$ BEAM EVTS DOCUMENT ID TECN
$\text{<4.E-36}$ $-2$,4 $1.5-$6 $70$ ${{\mathit p}}$ 0
 1976
CNTR
$\text{<2.E-33}$ $\pm4$ 5$-$20 $52$ ${{\mathit p}}{{\mathit p}}$ 0
 1975
SPEC
$\text{<5.E-34}$ $<7$ 7$-$15 $44$ ${{\mathit p}}{{\mathit p}}$ 0
 1975
CNTR
$\text{<5.E-35}$ $20$ ${{\mathit \gamma}}$ 0 1
 1974
CNTR
$\text{<9.E-35}$ $-1$,2 $200$ ${{\mathit p}}$ 0
 1974
CNTR
$\text{<4.E-36}$ $-4$ $2.3 - 2.7$ $70$ ${{\mathit p}}$ 0
 1971
CNTR
$\text{<3.E-35}$ $\pm1$,2 $<2.7$ $27$ ${{\mathit p}}$ 0
 1969 B
CNTR
$\text{<7.E-38}$ $-1$,2 $<2.5$ $70$ ${{\mathit p}}$ 0
 1969 B
CNTR
1  Cross section in cm${}^{2}$/sr/equivalent quanta.
References:
 BALDIN 1976
SJNP 22 264 Search for New Heavy Particles in Proton Collisions with Nuclei at 70 GeV
 ALBROW 1975
NP B97 189 Search for Stable Particles of Charge ${}\geq{}$ 1 and Mass ${}\geq{}$ Deuteron Mass
 JOVANOVICH 1975
PL 56B 105 A Search for Slow Massive Particles with ${{\mathit Z}}{}\leq{}$ 2 at the CERN Intersecting Storage Rings
 GALIK 1974
PR D9 1856 Search for Fractionally Charged Particles Photoproduced from Copper
 NASH 1974
PRL 32 858 A Search for Fractionally Charged Quarks Produced by 200 and 300 GeV Proton Nuclear Interactions
 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