Isotop bromin

Bromin (₃₅Br) memiliki dua isotop stabil, ⁷⁹Br dan ⁸¹Br, serta 32 radioisotop yang diketahui, yang paling stabil adalah ⁷⁷Br, dengan waktu paruh 57,036 jam.

Daftar isotop

|- | ⁶⁸Br^[1] | style="text-align:right" | 35 | style="text-align:right" | 33 | 67,95836(28)# | ~50 ndtk | p | ⁶⁷Se | 3+# | | |- | ⁶⁹Br | style="text-align:right" | 35 | style="text-align:right" | 34 | 68,95011(11)# | <24 ndtk | p | ⁶⁸Se | 1/2−# | | |- | ⁷⁰Br | style="text-align:right" | 35 | style="text-align:right" | 35 | 69,94479(33)# | 79,1(8) mdtk | β⁺ | ⁷⁰Se | 0+# | | |- | rowspan=2 style="text-indent:1em" | ^70mBr | rowspan=2 colspan="3" style="text-indent:2em" | 2292,2(8) keV | rowspan=2|2,2(2) dtk | β⁺ | ⁷⁰Se | rowspan=2|(9+) | rowspan=2| | rowspan=2| |- | IT | ⁷⁰Br |- | ⁷¹Br | style="text-align:right" | 35 | style="text-align:right" | 36 | 70,93874(61) | 21,4(6) dtk | β⁺ | ⁷¹Se | (5/2)− | | |- | ⁷²Br | style="text-align:right" | 35 | style="text-align:right" | 37 | 71,93664(6) | 78,6(24) dtk | β⁺ | ⁷²Se | 1+ | | |- | rowspan=2 style="text-indent:1em" | ^72mBr | rowspan=2 colspan="3" style="text-indent:2em" | 100,92(3) keV | rowspan=2|10,6(3) dtk | IT (>99,9%) | ⁷²Br | rowspan=2|1− | rowspan=2| | rowspan=2| |- | β⁺ (<0,1%) | ⁷²Se |- | ⁷³Br | style="text-align:right" | 35 | style="text-align:right" | 38 | 72,93169(5) | 3,4(2) mnt | β⁺ | ⁷³Se | 1/2− | | |- | ⁷⁴Br | style="text-align:right" | 35 | style="text-align:right" | 39 | 73,929891(16) | 25,4(3) mnt | β⁺ | ⁷⁴Se | (0−) | | |- | style="text-indent:1em" | ^74mBr | colspan="3" style="text-indent:2em" | 13,58(21) keV | 46(2) mnt | β⁺ | ⁷⁴Se | 4(+#) | | |- | ⁷⁵Br | style="text-align:right" | 35 | style="text-align:right" | 40 | 74,925776(15) | 96,7(13) mnt | β⁺ | ⁷⁵Se | 3/2− | | |- | ⁷⁶Br | style="text-align:right" | 35 | style="text-align:right" | 41 | 75,924541(10) | 16,2(2) jam | β⁺ | ⁷⁶Se | 1− | | |- | rowspan=2 style="text-indent:1em" | ^76mBr | rowspan=2 colspan="3" style="text-indent:2em" | 102,58(3) keV | rowspan=2|1,31(2) dtk | IT (99,4%) | ⁷⁶Br | rowspan=2|(4)+ | rowspan=2| | rowspan=2| |- | β⁺ (0,6%) | ⁷⁶Se |- | ⁷⁷Br | style="text-align:right" | 35 | style="text-align:right" | 42 | 76,921379(3) | 57,036(6) jam | β⁺ | ⁷⁷Se | 3/2− | | |- | style="text-indent:1em" | ^77mBr | colspan="3" style="text-indent:2em" | 105,86(8) keV | 4,28(10) mnt | IT | ⁷⁷Br | 9/2+ | | |- | rowspan=2|⁷⁸Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 43 | rowspan=2|77,921146(4) | rowspan=2|6,46(4) mnt | β⁺ (99,99%) | ⁷⁸Se | rowspan=2|1+ | rowspan=2| | rowspan=2| |- | β⁻ (0,01%) | ⁷⁸Kr |- | style="text-indent:1em" | ^78mBr | colspan="3" style="text-indent:2em" | 180,82(13) keV | 119,2(10) µdtk | | | (4+) | | |- | ⁷⁹Br | style="text-align:right" | 35 | style="text-align:right" | 44 | 78,9183371(22) | colspan=3 align=center|Stabil | 3/2− | 0,5069(7) | |- | style="text-indent:1em" | ^79mBr | colspan="3" style="text-indent:2em" | 207,61(9) keV | 4,86(4) dtk | IT | ⁷⁹Br | (9/2+) | | |- | rowspan=2|⁸⁰Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 45 | rowspan=2|79,9185293(22) | rowspan=2|17,68(2) mnt | β⁻ (91,7%) | ⁸⁰Kr | rowspan=2|1+ | rowspan=2| | rowspan=2| |- | β⁺ (8,3%) | ⁸⁰Se |- | style="text-indent:1em" | ^80mBr | colspan="3" style="text-indent:2em" | 85,843(4) keV | 4,4205(8) jam | IT | ⁸⁰Br | 5− | | |- | ⁸¹Br | style="text-align:right" | 35 | style="text-align:right" | 46 | 80,9162906(21) | colspan=3 align=center|Stabil | 3/2− | 0,4931(7) | |- | style="text-indent:1em" | ^81mBr | colspan="3" style="text-indent:2em" | 536,20(9) keV | 34,6(28) µdtk | | | 9/2+ | | |- | ⁸²Br | style="text-align:right" | 35 | style="text-align:right" | 47 | 81,9168041(21) | 35,282(7) jam | β⁻ | ⁸²Kr | 5− | | |- | rowspan=2 style="text-indent:1em" | ^82mBr | rowspan=2 colspan="3" style="text-indent:2em" | 45,9492(10) keV | rowspan=2|6,13(5) mnt | IT | ⁸²Br | rowspan=2|2− | rowspan=2| | rowspan=2| |- | β⁻ | ⁸²Kr |- | ⁸³Br | style="text-align:right" | 35 | style="text-align:right" | 48 | 82,915180(5) | 2,40(2) jam | β⁻ | ⁸³Kr | 3/2− | | |- | style="text-indent:1em" | ^83mBr | colspan="3" style="text-indent:2em" | 3068,8(6) keV | 700(100) ndtk | | | (19/2−) | | |- | ⁸⁴Br | style="text-align:right" | 35 | style="text-align:right" | 49 | 83,916479(16) | 31,80(8) mnt | β⁻ | ⁸⁴Kr | 2− | | |- | style="text-indent:1em" | ^84m1Br | colspan="3" style="text-indent:2em" | 320(10) keV | 6,0(2) mnt | β⁻ | ⁸⁴Kr | 6− | | |- | style="text-indent:1em" | ^84m2Br | colspan="3" style="text-indent:2em" | 408,2(4) keV | <140 ndtk | | | 1+ | | |- | ⁸⁵Br | style="text-align:right" | 35 | style="text-align:right" | 50 | 84,915608(21) | 2,90(6) mnt | β⁻ | ⁸⁵Kr | 3/2− | | |- | ⁸⁶Br | style="text-align:right" | 35 | style="text-align:right" | 51 | 85,918798(12) | 55,1(4) dtk | β⁻ | ⁸⁶Kr | (2−) | | |- | rowspan=2|⁸⁷Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 52 | rowspan=2|86,920711(19) | rowspan=2|55,65(13) dtk | β⁻ (97,48%) | ⁸⁷Kr | rowspan=2|3/2− | rowspan=2| | rowspan=2| |- | β⁻, n (2,52%) | ⁸⁶Kr |- | rowspan=2|⁸⁸Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 53 | rowspan=2|87,92407(4) | rowspan=2|16,29(6) dtk | β⁻ (93,42%) | ⁸⁸Kr | rowspan=2|(2−) | rowspan=2| | rowspan=2| |- | β⁻, n (6,48%) | ⁸⁷Kr |- | style="text-indent:1em" | ^88mBr | colspan="3" style="text-indent:2em" | 272,7(3) keV | 5,4(7) µdtk | | | | | |- | rowspan=2|⁸⁹Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 54 | rowspan=2|88,92639(6) | rowspan=2|4,40(3) dtk | β⁻ (86,2%) | ⁸⁹Kr | rowspan=2|(3/2−,5/2−) | rowspan=2| | rowspan=2| |- | β⁻, n (13,8%) | ⁸⁸Kr |- | rowspan=2|⁹⁰Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 55 | rowspan=2|89,93063(8) | rowspan=2|1,91(1) dtk | β⁻ (74,8%) | ⁹⁰Kr | rowspan=2| | rowspan=2| | rowspan=2| |- | β⁻, n (25,2%) | ⁸⁹Kr |- | rowspan=2|⁹¹Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 56 | rowspan=2|90,93397(8) | rowspan=2|541(5) mdtk | β⁻ (80%) | ⁹¹Kr | rowspan=2|3/2−# | rowspan=2| | rowspan=2| |- | β⁻, n (20%) | ⁹⁰Kr |- | rowspan=2|⁹²Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 57 | rowspan=2|91,93926(5) | rowspan=2|0,343(15) dtk | β⁻ (66,9%) | ⁹²Kr | rowspan=2|(2−) | rowspan=2| | rowspan=2| |- | β⁻, n (33,1%) | ⁹¹Kr |- | rowspan=2|⁹³Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 58 | rowspan=2|92,94305(32)# | rowspan=2|102(10) mdtk | β⁻ (89%) | ⁹³Kr | rowspan=2|3/2−# | rowspan=2| | rowspan=2| |- | β⁻, n (11%) | ⁹²Kr |- | rowspan=2|⁹⁴Br | rowspan=2 style="text-align:right" | 35 | rowspan=2 style="text-align:right" | 59 | rowspan=2|93,94868(43)# | rowspan=2|70(20) mdtk | β⁻ (70%) | ⁹⁴Kr | rowspan=2| | rowspan=2| | rowspan=2| |- | β⁻, n (30%) | ⁹³Kr |- | ⁹⁵Br | style="text-align:right" | 35 | style="text-align:right" | 60 | 94,95287(54)# | 50# mdtk [>300 ndtk] | | | 3/2−# | | |- | ⁹⁶Br | style="text-align:right" | 35 | style="text-align:right" | 61 | 95,95853(75)# | 20# mdtk [>300 ndtk] | | | | | |- | ⁹⁷Br | style="text-align:right" | 35 | style="text-align:right" | 62 | 96,96280(86)# | 10# mdtk [>300 ndtk] | | | 3/2−# | | |- | ⁹⁸Br^[2] | style="text-align:right" | 35 | style="text-align:right" | 63 | | | | | | | |- | ¹⁰¹Br^[3] | style="text-align:right" | 35 | style="text-align:right" | 66 | | | | | | |

Referensi

↑ K. Wimmer. Discovery of 68 Br in secondary reactions of radioactive beams. Physics Letters B. 2019. Vol. 795. hlm. 266–270. doi:10.1016/j.physletb.2019.06.014.
↑ Tetsuya Ohnishi. Identification of 45 New Neutron-Rich Isotopes Produced by In-Flight Fission of a 238 U Beam at 345 MeV/nucleon. J. Phys. Soc. Jpn. Physical Society of Japan. 2010. Vol. 79. hlm. 073201. doi:10.1143/JPSJ.79.073201.
↑ T. Sumikama. Observation of new neutron-rich isotopes in the vicinity of Zr110. Physical Review C. 2021. Vol. 103. doi:10.1103/PhysRevC.103.014614.

Sumber dan atribusi

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[1] K. Wimmer. Discovery of 68 Br in secondary reactions of radioactive beams. Physics Letters B. 2019. Vol. 795. hlm. 266–270. doi:10.1016/j.physletb.2019.06.014.

[2] Tetsuya Ohnishi. Identification of 45 New Neutron-Rich Isotopes Produced by In-Flight Fission of a 238 U Beam at 345 MeV/nucleon. J. Phys. Soc. Jpn. Physical Society of Japan. 2010. Vol. 79. hlm. 073201. doi:10.1143/JPSJ.79.073201.

[3] T. Sumikama. Observation of new neutron-rich isotopes in the vicinity of Zr110. Physical Review C. 2021. Vol. 103. doi:10.1103/PhysRevC.103.014614.

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