000			02382nlm1a2200445 4500
001			666366
005			20231030042034.0
035			_a(RuTPU)RU\TPU\network\37570
035			_aRU\TPU\network\37420
090			_a666366
100			_a20211217a2020 k y0engy50 ba
101	0		_aeng
135			_aarcn ---uucaa
181		0	_ai
182		0	_ab
200	1		_aStudy of excited Λb0 states decaying to Λb0π+π− in proton-proton collisions at √s=13TeV _fА. М. Sirunyan, A. R. Tumasyan, W. Adam [et al.]
203			_aText _celectronic
300			_aTitle screen
320			_a[References.: 39 tit.]
330			_aA study of excited Λb0 baryons is reported, based on a data sample collected in 2016-2018 with the CMS detector at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of up to 140fb−1. The existence of four excited Λb0 states: Λb0(5912)0, Λb0(5920)0, Λb0(6146)0, and Λb0(6152)0 in the Λb0π+π− mass spectrum is confirmed, and their masses are measured. The Λb0π+π− mass distribution exhibits a broad excess of events in the region of 6040-6100 MeV, whose origin cannot be discerned with the present data.
461			_tPhysics Letters B
463			_tVol. 803 _v[135345, 22 p.] _d2020
610	1		_aэлектронный ресурс
610	1		_aтруды учёных ТПУ
610	1		_aCMS
610	1		_aphysics
610	1		_abeauty baryon
610	1		_aheavy baryon
610	1		_aflavor spectroscopy
610	1		_aexperimental results
701		1	_aSirunyan _bА. М.
701		1	_aTumasyan _bA. R.
701		1	_aAdam _bW. _gWolfgang
701		1	_aAmbrogi _bF. _gFederico
701		1	_aTyurin _bN. E. _gNikolay Evgenjevich
701		1	_aBabaev _bA. A. _cphysicist _cengineer-issledovatelskogo Polytechnic University, candidate of physical and mathematical Sciences _f1981- _gAnton Anatoljevich _2stltpush _3(RuTPU)RU\TPU\pers\35154
712	0	2	_aНациональный исследовательский Томский политехнический университет _bИсследовательская школа физики высокоэнергетических процессов _c(2017- ) _h8118 _2stltpush _3(RuTPU)RU\TPU\col\23551
801		2	_aRU _b63413507 _c20211217 _gRCR
856	4		_uhttps://doi.org/10.1016/j.physletb.2020.135345
942			_cCF