Научная тема: «ИЗУЧЕНИЕ ЛЁГКИХ ВЕКТОРНЫХ МЕЗОНОВ В ПРОЦЕССАХ РОЖДЕНИЯ АДРОНОВ В e+e- АННИГИЛЯЦИИ»
Специальность: 01.04.16
Год: 2013
Отрасль науки: Физико-математические науки
Основные научные положения, сформулированные автором на основании проведенных исследований:
  1. Измерение сечений процессов е+е- →π+π-,  π+π- π0,  KSKL, K+K- и μ+ μ- с высокой точностью в экспериментах с детектором СНД на е+е- коллайдере ВЭПП-2М.
  2. Определение основных параметров лёгких векторных мезонов р, ω, ф.
  3. Экспериментальное обнаружение нового механизма процесса е+е- → π+π- π0 - е+е-→ωπ0 → π+π- π0 в области энергии √s>1 ГэВ.
  4. Первое измерение значения бегущей константы электромагнитного взаимодействия a(s) в области энергии √s = 1040 - 1400 МэВ.
  5. Первое установление верхнего предел на относительную вероятность распада ф → еμ.
Список опубликованных работ
1.M.N. Achasov, V.M. Aulchenko, S.E. Baru et. al., Spherical neutral detector for VEPP-2M collider, Nucl. Instr. and Meth.-2000.-Vol.449A,-P.125-139.

2.M.N. Achasov, K.I. Beloborodov, A.V. Berdyugin et. al., Study of the process e+e- -> тг+тг" in the energy region 400 < yfs < 1000 MeV, ЖЭТФ.-2005–T.128, вып.6.-С.1201-1219.

3.M.N. Achasov, K.I. Beloborodov, A.V. Berdyugin et. al., Update of the e+e" -&#9658; 7Г+7Г- cross section measured by SND detector in the energy region 400 < y/s < 1000 MeV, ЖЭТФ.-2006–T.130, вып.3.-С.437-441.

4.M.N. Achasov, K.I. Beloborodov, A.V. Berdyugin et. al., Measurements of the parameters of the </>(1020) resonance through studies of the processes e+e" -&#9658; K+K~, KSKL, and тг+тг-тг0, Phys. Rev.-2001.-Vol.63D,-072002.

5.M.N. Achasov, V.M. Aulchenko, K.I. Beloborodov et. al., Study of the 7Г7Г mass spectra in the process e+e" -> тг+тг-тг0 at ,/1 ~ 1020 MeV, Phys. Rev.-2002.-Vol.65D,-032002.

6.M.N. Achasov, V.M. Aulchenko, K.I. Beloborodov et. al., Study of the process e+e" -&#9658; тг+тг-тг0 in the energy region уД from 0.98 GeV to 1.38 GeV, Phys. Rev.-2002.-Vol.66D,-032001.

7.M.N. Achasov, K.I. Beloborodov, A.V. Berdyugin et. al., Study of the process e+e" -&#9658; тг+тг-тг0 in the energy region Д below 0.98 GeV, Phys. Rev .-2003.-Vol.68D ,-052006.

8.M.N. Achasov, V.M. Aulchenko, K.I. Beloborodov et. al., Study of the process e+e- -> /x+/x" in the energy region уД = 980, 1040 - 1380 MeV, Phys.Rev.–2009.-Vol.79D №11.-P.112012

9. M.N. Achasov, K.I. Beloborodov, A.V. Bergyugin, et. al., Search for lepton flavor violation process e+e" -&#9658; ец in the energy region y/1 = 984 - 1060 MeV and ф -&#9658; ец decay, Phys.Rev.-2010.Vol.81D №5.-P.057102

10.M.N.Achasov, A.D.Bukin, D.A.Bukin et. al., Energy calibration of the NaI(Tl) calorimeter of the SND detector using cosmic muons, Nucl. Instr. and Meth. - 1997. - Vol.A401. - P. 179 - 186.

11.M.N.Achasov, D.A.Bukin, T.V.Dimova et. al., Energy calibration of the NaI(Tl) calorimeter of the SND detector using e+e" -&#9658; e+e" events, Nucl. Instr. and Meth. - 1998. - Vol.A411. - P.337 - 342.

12.S.I. Serednyakov, M.N.Achasov, K.I.Beloborodov et. al., New results on e+e- -&#9658; hadrons exclusive cross sections from experiments with SND detector at VEPP-2M e+e" collider in the energy range y/H = 0.4 - 1.4 GeV, Proc. of the Int. European Conference on High Energy Physics, Lisboa, Portugal, July 21-27, 2005.-PoS HEP2005.-2006.-P.284-287.

13.M.N. Achasov, V.M. Aulchenko, S.E. Baru et. al., Detector SND for VEPP-2M, Proc. of the Int. workshop on e+e" collisions from ф to J/ф, Novosibirsk, Russia, March 1-5, 1999.-Новосибирск, 2000.-С.193-195.

14.M.N. Achasov, V.M. Aulchenko, S.E. Baru et. al., The process e+e" -&#9658; 7Г+7Г-7Г0 above ф at VEPP-2M from SND. Results of preliminary study, Proc. of the Int. workshop on е+еГ collisions from ф to J/ф, Novosibirsk, Russia, March 1-5, 1999.-Новосибирск, 2000.-С.87-90.

15.M.N. Achasov, V.M.Aulchenko, K.I.Beloborodov et. al., Resent results from SND experiment at the VEPP-2M e+e" collider, Proc. of the Workshop for hadron spectroscopy, Frascaty, Italy, March 8-13, 1999. Frascaty physics series.-1999.-Vol.XV.-P.489-497.

16.M.N. Achasov, V.M.Aulchenko, K.I.Beloborodov et. al., New data from SND detector in Novosibirsk, Proc. of the 8th Int. conference on hadron spectroscopy, Beijing, China, August 24-28, 1999. Nucl. Phys. Proc. Suppl.-2000.-Vol.675A.-P.391-397.

17.M.N. Achasov, K.I. Beloborodov, A.V. Berdyugin et. al., Review of experimental results from SND detector at VEPP-2M, Proc. of the III Int. workshop on physics and detectors for DA&#934;NE, Frascaty, Italy, November 16-19, 1999. Frascaty physics series.-1999.-Vol.XVI.-P.523-532.

18.M.N.Achasov, V.M.Aulchenko, K.I.Beloborodovet. al., Review of experimental results from SND detector, Proc. of the IX International Conference on Hadron Spectroskopy, Protvino, Russia, August 25 - September 1, 2001. AIPConf.Proc.-2002.-Vol.619.-P.30-39.

19.M.N. Achasov, K.I. Beloborodov, A.V. Berdyugin et. al., Experimental study of the e+e- -&#9658; тг+тг-тг0 reaction by SND detector in the energy range уД = 0.42 - 1.38-GeV, Proc. of the X International Conference on Hadron Spectroskopy, Aschaffenburg, Germany, August 31 - September 6, 2003. AIP Conf.Proc.-2004.-Vol.717.-P.60-64.

20.M.N. Achasov, R.R. Akhmetshin, V.M. Aulchenko, et. al., Recent results of the study of hadronic production with the CMD-2 and SND detectors at the VEPP-2M collider, Proc. of the Int. Europhysics conference on high-energy physics, Aachen, Germany, July 17-23, 2003. Eur. Phys. J.-2004.-Vol.33C.-P.583-585.

21.Ачасов М.Н., Измерение сечений процессов е+еГ аннигиляции в ад-роны на коллайдере ВЭПП-2М, Юбилейная научная сессия- конференция секции ЯФ ОФН РАН ‘Физика фундаментальных взаимодействий”, посвященная 60 летию ИТЭФ, Москва, 5-9 декабря, 2005. Я.Ф.-2007.-Т.70, №7–C. 1276-1288.

22.M.N. Achasov, K.I. Beloborodov, A.V. Berdyugin еt. аl., Pion Form Factor at SND (new edition), Proc. of the Int. workshop on е+еГ collisions from ф to &#936;, Novosibirsk, Russia, February 27 - March 2, 2006.-Nucl. Phys. Proc.Suppl.-2006.-Vol.162.-P.11–12.

23.Achasov M.N., CMD-2 and SND results on the p, cu and ф, Proc. of the Int. workshop on e+e- collisions from ф to &#936;, Novosibirsk, Russia, February 27 - March 2, 2006. -Nucl. Phys. Proc.Suppl.-2006.-Vol.162.-P.114-121.

24.M.N. Achasov, D.E. Berkaev, A.G. Bogdanchikovet. al., First experience with SND calorimeter at VEPP-2000 collider, Proc. of the 10th International Conference on Instrumentation for Colliding Beam Physics, Novosibirsk, February 28 - March 5, 2008. Nucl. Instr. and Meth.-2009-Vol.598 №1.-P.31-32.

25.M.N. Achasov, Search for lepton flavor violation in e+e" interactions, Proc. of International Workshop on е+еГ collisions from Phi to Psi, Novosibirsk, September 2011. Nucl.Phys.(Proc. Suppl).-2012.-Vol.225-227.-P.241-243.