Papers
2019 :
- DIRAC-PUB-2019-01:
B. Adeva et al., "First measurement of a long-lived ππ atom lifetime",
Phys. Rev. Lett. 122 (2019) 082003.
2017 :
- DIRAC-PUB-2017-01:
B. Adeva et al., "Measurement of the πK atom lifetime
and the πK scattering length",
Phys. Rev. D 96 (2017) 052002.
2016 :
- DIRAC-PUB-2016-03:
B. Adeva et al., "Updated DIRAC spectrometer at CERN PS for the investigation of
ππ and πK atoms",
Nucl. Instr. Meth. A839 (2016) 52.
- DIRAC-PUB-2016-02:
B. Adeva et al., "Observation of π−K+ and
π+K− atoms",
Phys. Rev. Lett. 117 (2016) 112001.
- DIRAC-PUB-2016-01:
O.E. Gorchakov and L.L. Nemenov,
"The estimation of production rates of π+K−,
π−K+ and π+π− atoms
in proton-nucleus interactions at 450 GeV c−1",
J. Phys. G: Nucl. Part. Phys. 43 (2016) 095004.
2015 :
- DIRAC-PUB-2015-02:
B. Adeva et al., "First observation of long-lived ππ atoms",
Physics Letters B 751 (2015) 12.
- DIRAC-PUB-2015-01:
M. Pentia, S. Aogaki, D. Dumitriu, D. Fluerasu, M. Gugiu, V. Yazkov,
"New preshower detector for the DIRAC experiment",
Nucl. Instr. Meth. A795 (2015) 200.
2014 :
- DIRAC-PUB-2014-01:
B. Adeva et al., "First πK atom lifetime and
πK scattering length measurements",
Physics Letters B 735 (2014) 288.
2012 :
- DIRAC-PUB-2012-01:
J. Schacher, "DIRAC observes dimeson atoms and measures their lifetime",
CERN Courier 52 (March 2012) 24.
2011 :
- DIRAC-PUB-2011-01:
B. Adeva et al., "Determination of ππ scattering lengths from
measurement of ππ atom life",
Physics Letters B 704 (2011) 24.
2010 :
- DIRAC-PUB-2010-01:
J. Schacher, "Observation and lifetime measurement of dimeson atoms",
SPG Mitteilungen Nr.30 (2010) 6.
2009 :
- DIRAC-PUB-2009-04:
A.V. Dudarev, V.V. Kruglov, M.V. Nikitin,
"Micro-Drift Chamber as a precise vertex detector for the DIRAC experiment",
Nucl. Instr. Meth. A607 (2009) 394.
- DIRAC-PUB-2009-03:
P.V. Chliapnikov and V.M. Ronjin,
"Finite-size correction to the pionium lifetime due to ω and η'
contributions",
J. Phys. G: Nucl. Part. Phys. 36 (2009) 105004.
- DIRAC-PUB-2009-02:
M. Pentia, C. Ciocarlan, S. Constantinescu, M. Gugiu, Gh. Caragheorgheopol,
"Preshower detector for π+π− hadronic atom studies",
Nucl. Instr. Meth. A603 (2009) 309.
- DIRAC-PUB-2009-01:
B. Adeva et al., "Evidence for πK-atoms with DIRAC",
Physics Letters B 674 (2009) 11.
2008 :
- DIRAC-PUB-2008-04:
S. Horikawa, Y. Allkofer, C. Amsler, V. Brekhovskikh, A. Kuptsov, M. Pentia, M. Zhabitsky,
"C4F10 cherenkov detector for DIRAC-II",
Nucl. Instr. Meth. A595 (2008) 212.
- DIRAC-PUB-2008-03:
Y. Allkofer, C. Amsler, S. Horikawa, C. Regenfus, J. Rochet,
"A new aerogel cherenkov detector for DIRAC-II",
Nucl. Instr. Meth. A595 (2008) 84.
- DIRAC-PUB-2008-02:
R. Lednický,
"Finite-size effect on two-particle production",
J. Phys. G: Nucl. Part. Phys. 35 (2008) 125109.
- DIRAC-PUB-2008-01:
M. V. Zhabitsky,
"Direct calculation of the probability of pionium ionization in the target",
Physics of Atomic Nuclei 71 (2008) 1040
(arXiv:0710.4416).
2007 :
- DIRAC-PUB-2007-01:
Y. Allkofer, C. Amsler, S. Horikawa, I. Johnson, C. Regenfus, J. Rochet,
"A novel aerogel Cherenkov detector for DIRAC-II",
Nucl. Instr. Meth. A582 (2007) 497.
2006 :
- DIRAC-PUB-2006-01:
A. Gorin, S. Horikawa, K. Kuroda, I. Manuilov, K. Okada, A. Ryazantsev, A. Sidorov, F. Takeutchi,
"High resolution scintillating-fibre hodoscope and its readout using peak-sensing algorithm",
Nucl. Instr. Meth. A566 (2006) 500.
2005 :
- DIRAC-PUB-2005-01:
B. Adeva et al., "First measurement of the pi+ pi- atom lifetime",
Physics Letters B 619 (2005) 50.
2004 :
- DIRAC-PUB-2004-03:
B. Adeva et al., "Detection of pi+ pi- atoms with the DIRAC spectrometer at CERN",
J. Phys. G: Nucl. Part. Phys. 30 (2004) 1929.
- DIRAC-PUB-2004-02:
G. Bitsadze, V. Brekhovskikh, A. Kuptsov, V. Lapshin, V. Rykalin, L. Tauscher and M. Zhabitsky,
"The ionisation hodoscope of the DIRAC experiment",
Nucl. Instr. Meth. A533 (2004) 353.
- DIRAC-PUB-2004-01:
A. Kulikov and M. Zhabitsky,
"Dead time losses and their measurement in DIRAC",
Nucl. Instr. Meth. A527 (2004) 591.
2003 :
- DIRAC-PUB-2003-02:
C. Santamarina, M. Schumann, L.G. Afanasyev and T. Heim,
"A Monte Carlo calculation of the pionium break-up probability with
different sets of pionium target cross sections",
J. Phys. B:
At. Mol. Opt. Phys. 36 (2003) 4273.
- DIRAC-PUB-2003-01:
B. Adeva et al., "DIRAC: A high resolution spectrometer for pionium detection",
Nucl. Instr. Meth. A515 (2003) 467.
2002 :
- DIRAC-PUB-2002-07:
L.L. Nemenov, V.D. Ovsyannikov and E.V. Chaplygin, "Resonant enhancement of
field-induced annihilation rate for (pi+pi-) atom:
a possibility to measure n p - n s energy splitting",
Nucl. Phys. A710 (2002) 303.
- DIRAC-PUB-2002-06:
L. Afanasyev and V. Karpukhin, "Drift chamber readout system of the
DIRAC experiment",
Nucl. Instr. Meth. A492 (2002) 351.
- DIRAC-PUB-2002-05:
L. Afanasyev et al., "The multilevel trigger system of the
DIRAC experiment",
Nucl. Instr. Meth. A491 (2002) 376.
- DIRAC-PUB-2002-04:
B. Adeva et al., "The time-of-flight detector of the DIRAC experiment",
Nucl. Instr. Meth. A491 (2002) 41.
- DIRAC-PUB-2002-03:
M. Gallas, "Third level trigger of the DIRAC experiment",
Nucl. Instr. Meth. A481 (2002) 222.
- DIRAC-PUB-2002-02:
L.G. Afanasev et al., "First level trigger of the DIRAC experiment",
Nucl. Instr. Meth. A479 (2002) 407.
- DIRAC-PUB-2002-01:
L. Afanasyev, A. Tarasov and O. Voskresenskaya,
"Contribution of alpha^2 terms to the total interaction cross
sections of relativistic elementary atoms with atoms of matter",
Phys.Rev. D65 (2002) 096001.
2001 :
- DIRAC-PUB-2001-02:
L.L. Nemenov and V.D. Ovsyannikov,
"DC field control of decay processes in a (pi+pi-) atom:
a possibility to measure the energy splitting between 2s- and 2p-states",
Physics Letters B 514 (2001) 247.
- DIRAC-PUB-2001-01:
V. Olshevsky and S. Trusov,
"Data acquisition software for dirac experiment",
Nucl. Instr. Meth. A469 (2001) 216.
2000 :
- DIRAC-PUB-2000-02:
P. Gianotti et al. (DIRAC Collaboration),
"Test of chiral perturbation theory with DIRAC at CERN",
Acta Physica Polonica B Vol.31 N.10-11 (2000) 2571.
- DIRAC-PUB-2000-01:
O.E. Gorchakov et al.,
"Production rates for pi+K-, pK-, ppi- atoms in inclusive processes",
Physics of Atomic Nuclei 63 (2000) 1847.
1999 :
- DIRAC-PUB-1999-05:
M. Bragadireanu et al., "A prototype Cherenkov counter for DIRAC",
Nucl. Instr. Meth. 426 (1999) 254.
- DIRAC-PUB-1999-04:
A. Lanaro et al. (DIRAC Collaboration),
"Detection of pionium with DIRAC",
piN Newsletter 15 (1999) 270.
- DIRAC-PUB-1999-03:
L. Afanasyev et al., "Total interaction cross sections of
relativistic pi+pi- atoms with ordinary atoms in the eikonal
approach",
J. Phys. G25 (1999) B7.
- DIRAC-PUB-1999-02:
L. Afanasyev and O. Voskresenskaya,
"Ratio between pi+pi- atom and free pi+pi- pair production rates
with account of the strong interaction in final states",
Phys. Lett. B453 (1999) 302.
- DIRAC-PUB-1999-01:
I. Amirkhanov et al., "The influence of strong interaction
on the pionium wave functions at small distances",
Phys. Lett. B452 (1999) 155.
1996 :
- DIRAC-PUB-1996-03:
M. Bednar and R. Lednicky,
"Study of pionium - a bound state of pi+pi- mesons -
a unique source of information of properties
of the meson strong interaction",
Czech. J. Phys. 46 (1996) 241.
- DIRAC-PUB-1996-02:
L.G. Afanasyev and A.V. Tarasov,
"Breakup of relativistic pi+pi- atoms in matter",
Phys. Atom. Nucl. 59 (1996) 2130.
- DIRAC-PUB-1996-01:
O.E. Gorchakov et al.,
"Estimation of pi+pi- atoms production rate in high energy collisions",
Phys. Atom. Nucl. 59 (1996) 1942.
Juerg Schacher
24/02/2021